Table of Contents
Run 47
| Run | Det | Det Type | Source | Purpose |
|---|---|---|---|---|
| 47 | G112 | 100 mm IZIP v6 | 1 x Am-241, 1 x Pb-210 | 100 mm IZIP test. |
| 2014/05/30 | Uninstall tower, mount G112 on tower. |
| 2014/05/31 | Install tower, electrical check. |
| 2014/06/01 | Leak check, raise dewar. |
| 2014/06/02 | Nitrogen transfer. |
| 2014/06/03 | Nitrogen blow out, leak detected, warm up. |
| 2014/06/04 | Raise dewar, lower dewar. |
| 2014/06/05 | Raise dewar, nitrogen transfer. |
| 2014/06/06 | Nitrogen blow out, helium transfer. |
| 2014/06/07 | Condense and circulate mixture. |
| 2014/06/08 | Helium transfer. |
| 2014/06/09 | IbIs measurements. |
| 2014/06/10 | Tc measurements, charge breakdown measurements, take data. |
| 2014/06/11 | Tc measurements, lower dewar, warm up. |
| 2014/06/12 | Uninstall and disassemble tower. End of run. |
Run 46
| Run | Det | Det Type | Source | Purpose |
|---|---|---|---|---|
| 46 | G106a | 100 mm IZIP v6 | 1 x Am-241, 1 x Pb-210 | 100 mm IZIP test. |
| 2014/03/03 | Tower assembly, Electrical check. |
| 2014/03/06 | Electrical check, Reinstall SQUETs. |
| 2014/03/07 | Seal IVC. |
| 2014/03/08 | |
| 2014/03/10 | Leak Check: Leak detected in Ebox. |
| 2014/03/11 | Leak Check, Nitrogen transfer. |
| 2014/03/12 | First helium transfer. |
| 2014/03/13 | Helium transfer, Cryoclean mixture. |
| 2014/03/14 | |
| 2014/03/15 | |
| 2014/03/16 | Helium transfer, Erect shield. |
| 2014/03/17 | Condense mixture. |
| 2014/03/18 | Take data. |
| 2014/03/19 | Helium transfer. Begin circulation. |
| 2014/03/20 | |
| 2014/03/21 | Helium transfer, Lock SQUIDs. |
| 2014/03/22 | |
| 2014/03/23 | Helium transfer. |
| 2014/03/24 | Take data. |
| 2014/03/25 | Helium transfer, Charge breakdown analysis. |
| 2014/03/26 | Compute QET bias, Take data. |
| 2014/03/27 | Take data. |
| 2014/03/28 | Relock SQUIDs, Helium transfer, Charge neutralization analysis. |
| 2014/03/29 | |
| 2014/03/30 | Helium transfer. |
| 2014/03/31 | Helium transfer, Take data. |
| 2014/04/01 | |
| 2014/04/02 | Take data. |
| 2014/04/03 | Helium transfer, Take data. |
| 2014/04/04 | Take data. |
| 2014/04/05 | Helium transfer, Take data. |
| 2014/04/06 | |
| 2014/04/07 | Take data. |
| 2014/04/08 | Helium transfer. |
| 2014/04/09 | DCRC Troubleshooting. |
| 2014/04/10 | DCRC Troubleshooting, Helium transfer. |
| 2014/04/11 | IbIs measurements, Calculate 69mK QET bias, Take data. |
| 2014/04/12 | |
| 2014/04/13 | Helium transfer. |
| 2014/04/14 | Take data, Helium transfer. |
| 2014/04/15 | |
| 2014/04/16 | Prepulse standard deviation, Charge-only data acquisition, Reiterate QET Biases. |
| 2014/04/17 | Charge-only data acquisition, Helium transfer. |
| 2014/04/18 | Take data. |
| 2014/04/19 | Helium transfer. |
| 2014/04/20 | |
| 2014/04/21 | Helium transfer, take data. |
| 2014/04/22 | IbIs curves analysis. |
| 2014/04/23 | Tc Measurements. |
| 2014/04/24 | Tc Measurements, Swap DCRCs on DIBs 2&3, Relock SQUIDs, IbIs Measurements. |
| 2014/04/25 | Relock DIB3 SQUIDs, IbIs Measurements, clean nitrogen cold trap 1, suspect helium cold trap blocked, extract mixture and warm to 4.2 K. |
| 2014/04/26 | Clean cold traps. |
| 2014/04/27 | Cryoclean mixture, helium transfer. |
| 2014/04/28 | Helium transfer. |
| 2014/04/29 | |
| 2014/04/30 | Swap back DCRCs on DIBs 2&3, Relock SQUIDs, IbIs Measurements. |
| 2014/05/01 | Helium transfer, Relock DIB2 SQUIDs, IbIs Measurements. |
| 2014/05/02 | Data taken, Helium transfer |
| 2014/05/03 | |
| 2014/05/04 | G106a neutralisation study. |
| 2014/05/05 | Helium transfer, MIDAS testing. |
| 2014/05/06 | Helium transfer, MIDAS testing. |
| 2014/05/07 | |
| 2014/05/08 | Helium transfer, take data. |
| 2014/05/09 | Change 1 K pot pump, take data. |
| 2014/05/10 | Take data. |
| 2014/05/11 | Helium transfer, take data. |
| 2014/05/12 | Take data. |
| 2014/05/13 | Take data, helium transfer. |
| 2014/05/14 | Take data. |
| 2014/05/15 | Take data, helium transfer. |
| 2014/05/16 | Take data. |
| 2014/05/17 | Helium transfer, take data. |
| 2014/05/18 | Take data. |
| 2014/05/19 | |
| 2014/05/20 | |
| 2014/05/21 | |
| 2014/05/22 | |
| 2014/05/23 | |
| 2014/05/24 | Helium transfer. |
| 2014/05/25 | Take data. |
| 2014/05/26 | Take data. |
| 2014/05/27 | Take data. |
| 2014/05/28 | Take data. |
| 2014/05/29 | Remove Shield, and lower dewar. |
Run 45
| Run | Det | Det Type | Source | Purpose |
|---|---|---|---|---|
| 45 | G101b | 100 mm Spiral v2 | 1 x Am-241 | Floating phonon rails spiral mask ionisation test. |
| 2014/01/23 | Perform tower electrical check. Seal up IVC. |
| 2014/01/24 | Perform leak check and raise dewar. |
| 2014/01/27 | Through-put test, Initial LHe transfer. |
| 2014/01/28 | |
| 2014/01/29 | |
| 2014/01/30 | |
| 2014/01/31 | |
| 2014/02/01 | Helium transfer. |
| 2014/02/02 | Issues with DCRC31. 0 V bias settings for Qi & Qo reverted back to old, incorrect values. |
| 2014/02/03 | Take data. |
| 2014/02/04 | Helium transfer. |
| 2014/02/05 | Take data, recalibrate DCRC 31. |
| 2014/02/06 | Take data, helium transfer. |
| 2014/02/07 | Take data. |
| 2014/02/08 | Helium transfer, take data. |
| 2014/02/09 | Take data. |
| 2014/02/10 | Helium transfer, take data. |
| 2014/02/11 | |
| 2014/02/12 | Take data. |
| 2014/02/13 | Helium transfer, take data. |
| 2014/02/14 | Take data. |
| 2014/02/15 | Helium transfer. |
| 2014/02/16 | Take data. |
| 2014/02/17 | Take data. |
| 2014/02/18 | Helium transfer, take data. |
| 2014/02/19 | Take data. |
| 2014/02/20 | Helium transfer, take data. |
| 2014/02/21 | Take data. |
| 2014/02/22 | Helium transfer. |
| 2014/02/23 | Take data. |
| 2014/02/24 | |
| 2014/02/25 | Begin warm up procedure. |
| 2014/02/26 | Remove shield. |
| 2014/02/27 |
Run 44
| Run | Det | Det Type | Source | Purpose |
|---|---|---|---|---|
| 44 | G101b | 100 mm Spiral v2 | 1 x Am-241 | Floating phonon rails spiral mask ionisation test. |
| 2013/12/05 | Final electrical check on G114. Mount G101b, perform electrical check, and install in IVC. Pump out IVC. |
| 2013/12/09 | Leak check, Nitrogen transfer. |
| 2013/12/10 | Leak check, cryoclean mixture, possible leak in pump detected. |
| 2013/12/11 | Cryopump remaining mixture in IGH lines. |
| 2013/12/19 | |
| 2013/12/20 |
Run 43
| Run | Det | Det Type | Source | Purpose |
|---|---|---|---|---|
| 43 | G114 | 100 mm IZIP v6 | 1 x Am-241 | AJA 100 mm IZIP v6 Tc & Rn measurements. |
| 2013/11/11 | Unpack detector, electrical check. |
| 2013/11/19 | Tower electrical check, IVC sealed. |
| 2013/11/20 | Raise dewar, clean mixture, Nitrogen transfer. Nitrogen blowout, leak detected, lower dewar. |
| 2013/11/21 | Reseal IVC, raise dewar, Nitrogen transfer, Helium transfer. |
| 2013/11/22 | Condense mixture, reach base temperature. |
| 2013/11/25 | Lower dewar, begin pumping on dewar jacket. |
| 2013/11/26 | Pump on dewar jacket, cryoclean mixture through cold trap 2. |
| 2013/11/27 | Continue pumping on dewar jacket, clean and pump on He and LN2 cold traps. |
| 2013/12/02 | Cease pumping on dewar jacket, open IVC. |
| 2013/12/03 | Uninstall tower. |
| 2013/12/04 |
Run 41
| Run | Det | Det Type | Source | Purpose |
|---|---|---|---|---|
| 41 | G101b | 100 mm Spiral v2 | 1 x Am-241 | Floating phonon rails spiral mask ionisation test. |
| 2013/10/22 | Electrical check on striplines. |
| 2013/10/23 | Assemble tower, electrical check. |
| 2013/10/24 | Install tower, evacuate IVC, cryoclean mixture. |
| 2013/10/25 | Raise dewar, leak check, leak detected, lower dewar, leak check, tighten screws around indium seals, raise dewar, leak check, leak detected, nitrogen transfer, evacuate IVC, cryoclean mixture. |
| 2013/10/26 | Blow out nitrogen, leak check, throughput test, first helium transfer, evacuate IVC, cryoclean mixture. |
| 2013/10/27 | Condense & circulate mixture. |
| 2013/10/28 | Play around with mixture, helium transfer, flash detector. |
| 2013/10/29 | Noisy charge baseline on DIB 2. |
| 2013/10/30 | Quiet charge baseline on DIB 2, helium transfer, flash detector. |
| 2013/10/31 | Noisy charge baseline on DIB 2. |
| 2013/11/01 | |
| 2013/11/02 | Extract mixture, warm up. |
| 2013/11/04 | Open IVC, swap SQUET card ZC-13 with ZC-23 for DIB 2, leave stripline 19 connected to DIB 2, reseal & evacuate IVC. |
| 2013/11/05 | Leak check, raise dewar, leak check, leak detected, nitrogen transfer, evacuate IVC, problem with cryocleaning mixture. |
| 2013/11/06 | Investigate problem with cryocleaning mixture, valve V6 broken, first helium transfer, evacuate IVC. |
| 2013/11/07 | Valve V6 repaired, cryoclean mixture, circulate & condense mixture. |
| 2013/11/08 | Helium transfer. |
| 2013/11/09 | Short D-sub 50 connector pins to ground and connect to DIB 2, flash detector. |
| 2013/11/10 | DAQ error, helium transfer. |
| 2013/11/11 | Attempted to determine boost parameter, 0 V bias on DCRC31 incorrect so changed, flash detector & acquire data. |
| 2013/11/12 | Acquire data. |
| 2013/11/13 | Helium transfer, acquire data, analyse data. |
| 2013/11/14 | Pump failure, acquire data. |
| 2013/11/15 | Helium transfer, acquire data. |
| 2013/11/16 | Dismantle shield, warm up. |
| 2013/11/17 | Lower dewar. |
Run 40
| Run | Det | Det Type | Source | Purpose |
|---|---|---|---|---|
| 40 | none | N/A | N/A | Cryogenics test. |
| 2013/09/14 | Evacuate IVC. |
| 2013/09/15 | Leak check, raise dewar, nitrogen transfer, cryoclean mixture. |
| 2013/09/16 | Problem with nitrogen cold trap 2, cryoclean mixture, leak check nitrogen cold trap 2. |
| 2013/09/17 | Leak check nitrogen cold trap 2, clean nitrogen cold traps. |
| 2013/09/18 | Leak check nitrogen cold trap 2. |
| 2013/09/19 | Cryoclean mixture, nitrogen transfer. |
| 2013/09/20 | Blow out ntirogen, positive leak check, throughput test, lower dewar, leak check. |
| 2013/09/24 | Clean nitrogen cold traps. |
| 2013/09/26 | Leak check, raise dewar, nitrogen transfer, (detector checkout of S11C - unrelated to current run), cryoclean mixture. |
| 2013/09/27 | Blow out nitrogen, leak check, throughput test, cryoclean mixture. |
| 2013/09/28 | First helium transfer. |
| 2013/09/29 | Condense 350 mbar (dump pressure) of mixture. |
| 2013/09/30 | Helium transfer, circulate mixture, still heater tests with 350 mbar (dump pressure) of mixture. |
| 2013/10/01 | Single-shot test with 350 mbar (dump pressure) of mixture, clean nitrogen cold trap 1, cryoclean mixture. |
| 2013/10/02 | Helium transfer, condense & circulate 400 mbar (dump pressure) of mixture. |
| 2013/10/03 | Still heater tests with 400 mbar (dump pressure) of mixture. |
| 2013/10/04 | Single-shot test with 400 mbar (dump pressure) of mixture, helium transfer, condense 450 mbar (dump pressure) of mixture. |
| 2013/10/05 | Circulate mixture, still heater tests with 450 mbar (dump pressure) of mixture. |
| 2013/10/06 | |
| 2013/10/07 | Single-shot test with 450 mbar (dump pressure) of mixture, helium transfer, condense & circulate 500 mbar (dump pressure of mixture). |
| 2013/10/08 | Still heater tests with 500 mbar (dump pressure) of mixture. |
| 2013/10/09 | Single-shot test with 500 mbar (dump pressure) of mixture, helium transfer, (detector checkouts of G101b & G102a - unrelated to run). |
| 2013/10/10 | Condense & circulate mixture. |
| 2013/10/11 | Single-shot test, condense & circulate mixture, helium transfer, bleed remaining mixture out of dump into fridge. |
| 2013/10/13 | Single-shot test (results shown on 2013/10/14). |
| 2013/10/14 | Results from yesterday's single-shot test, helium transfer, condense & circulate mixture. |
| 2013/10/15 | Remove excess He-3 from mixture using single-shot method, helium transfer. |
| 2013/10/16 | Still heater tests, single-shot test, condense mixture. |
| 2013/10/17 | Circulate mixture, remove excess He-3 from mixture in stages using single-shot method, single-shot test, helium transfer. |
| 2013/10/18 | Remove helium cold trap from circulation line and replace with temporary manifold. |
| 2013/10/19 | Condense & circulate 350 mbar (dump pressure) of mixture. |
| 2013/10/20 | Still heater tests, add some mixture from dump in stages, single-shot test. |
| 2013/10/21 | Lower dewar, warm up. |
Run 39
| Run | Det | Det Type | Source | Purpose |
|---|---|---|---|---|
| 39 | G106a | 100 mm | 1 x Am-241 source & 1 x Pb-210 source | 100 mm IZIP run. |
| 2013/07/25 | Electrical check, shorts found on Candy. |
| 2013/08/11 | Solder PCBs to combine striplines 27 & 21, electrical check. |
| 2013/08/12 | Assemble tower, tower level continuity check. |
| 2013/08/13 | Install tower. |
| 2013/08/14 | Electrical check, clean ebox flange, electrical check, evacuate IVC. |
| 2013/08/15 | Raise dewar, nitrogen transfer, cryoclean mixture |
| 2013/08/16 | Preparation for power cut, cryoclean mixture. |
| 2013/08/17 | Electrical check, blow out nitrogen, leak check, first helium transfer, cryoclean mixture. |
| 2013/08/18 | Evacuate IVC, cryoclean mixture. |
| 2013/08/19 | Condense mixture, electrical check, circulate mixture. |
| 2013/08/20 | Electrical check, helium transfer, battle high base temperature. |
| 2013/08/21 | Battle high base temperature. |
| 2013/08/22 | |
| 2013/08/23 | |
| 2013/08/24 | |
| 2013/08/25 | |
| 2013/08/26 | |
| 2013/08/27 | |
| 2013/08/28 | |
| 2013/08/29 | |
| 2013/08/30 | |
| 2013/08/31 | |
| 2013/09/01 | |
| 2013/09/02 | |
| 2013/09/03 | |
| 2013/09/04 | |
| 2013/09/05 |
Run 38
| Run | Det | Det Type | Source | Purpose |
|---|---|---|---|---|
| 38 | N/A | 50 pF Capacitor | N/A | Flexible Side Coax Test |
| 2013/07/18 | Assemble tower, tower level continuity check. |
| 2013/07/19 | Install tower, electrical check. |
| 2013/07/20 | Evacuate IVC, leak check, raise dewar, leak check, nitrogen transfer, cryoclean mixture. |
| 2013/07/21 | Electrical check, clean nitrogen cold traps, cryoclean mixture, blow out nitrogen, leak check, first helium transfer. |
| 2013/07/22 | Condense mixture, electrical check, circulate mixture, acquire data. |
| 2013/07/23 | Finished data aquisition, begin warm - up. |
| 2013/07/24 | Warm up. |
Run 37
| Run | Det | Det Type | Source | Purpose |
|---|---|---|---|---|
| 37 | G101b | 100 mm | 1 x Am-241 source & 1 x Pb-210 source | 100 mm spiral mask run. |
| 2013/06/05 | Assemble G101b on tower. Discovered broken side coax |
| 2013/06/06 | Finish assembling tower. Tower electrical check. |
| 2013/06/17 | Install tower. Seal IVC. |
| 2013/06/18 | Evacuate IVC. |
| 2013/06/19 | Leak Check. Electrical Check. |
| 2013/06/20 | Change O-ring. Leak Check. Evacuate Dewar. |
| 2013/06/21 | Evacuate IVC, leak check, raise dewar, leak check, nitrogen transfer. |
| 2013/06/22 | Expected power cut so deliberately slow day, evacuate N2 exchange gas. |
| 2013/06/23 | Blow out nitrogen, electrical check, leak check, feed mixture from cryopump into dump, cryoclean mixture, first helium transfer. |
| 2013/06/24 | Cold trap cleaning. Manual condensation of mixture. |
| 2013/06/25 | Electrical check. Attach DCRCs. |
| 2013/06/26 | |
| 2013/06/27 | Began taking data. |
| 2013/06/28 | Graphs to summarize +/-4V and -/+4V data taken. |
| 2013/06/29 | Graphs of data at +/-2.5V and -/+ 2.5V. Some evidence of strange ~50keV peak for -/+2.5V on spectra from both sides. |
| 2013/06/30 | |
| 2013/07/01 | Started bias sweeps with Am-241 & Pb-210. Improper trigger files led to unacceptably low statistics. |
| 2013/07/02 | Continued bias sweeps with improper trigger files. |
| 2013/07/03 | Abandoned previous bias sweep. Began new bias sweep with proper trigger files. |
| 2013/07/04 | Spectra for +/-1V, -/+1V, +/-1.5V, -/+1.5V, +/-2V, -/+2V, +/-3V, -/+3V, +/-3.5V, -/+3.5V. Note: on source side, collecting electrons reveals ~50keV peak not found when collecting holes. |
| 2013/07/05 | Spectra for +/-5V, -/+5V, +/-6V, -/+6V, +/-8V, -/+8V. Double peak ~60keV when collecting holes with 6V bias. |
| 2013/07/06 | Spectra for +/-10V, -/+10V, +/-12V, -/+12V. Two peaks ~0.8 and ~0.9 found on Qpartition plot. Investigated these peaks and found they contained good data with events almost exclusively at 2 low energy peaks. |
| 2013/07/07 | Cryocleaning mixture. |
| 2013/07/08 | Pump mixture to dump. Condense mixture. |
| 2013/07/09 | |
| 2013/07/10 | Summary of Ba-133 data at +/-2.5V, -/+2.5V, +/-3V, -/+3V, +/-3.5V, -/+3.5V, |
| 2013/07/11 | Took Ba-133 data at +/-5V, -/+5V, +/-8V, -/+8V, +/-10V, -/+10V, +/-12V, -/+12V, |
| 2013/07/12 | Took data at -/+0.5V, -/+2.5V, -/+4V without Ba-133 to supplement seagull plot for surface events. |
| 2013/07/13 | Pumped mixture to dump. Began warming up. |
| 2013/07/14 | Pumped mixture to dump. Began warming up. |
| 2013/07/17 | Uninstalled and Run 37 tower, installed Run 38 tower. |
Maintenance (2013/03/27)
- Investigation of leak in mixing chamber lines.
- Assessment of DCRC power supply problem.
- Clean PKR 251 pressure sensor.
| 2013/03/27 | DCRC tests, leak checking mixing chamber lines. |
| 2013/03/28 | Leak tests done. |
| 2013/03/29 | Cryopump mixture from behind exhaust. Mixture stored in cryopump. |
| 2013/03/30 | Leak tests done on He3 pump. Big leak suspected above motor at back of pump. |
| 2013/03/31 | DCRC tests. |
| 2013/04/01 | Leak check He-3 pump. |
| 2013/04/02 | Dismantle PKR 251 pressure sensor and clean, broken anode. |
| 2013/04/03 | |
| 2013/04/04 | Check integrity of stripline 20. |
| 2013/04/05 | Dismantle He-3 pump in attempt to replace shaft seal. |
| 2013/04/06 | |
| 2013/04/07 | |
| 2013/04/08 | Removed shaft seal from centering disc, bushing stuck on shaft, additional special shaft seal required. |
| 2013/04/12 | Assemble PKR 251 pressure sensor with new anode, leak test, calibrate gauge, overnight test. |
| 2013/04/13 | Test PKR 251 pressure sensor. |
| 2013/04/14 | Test PKR 251 pressure sensor. |
| 2013/04/15 | Remove 30 mK, 100 mK & 4.2 K cans, remove shield around mixing chamber. |
| 2013/05/04 | Update on stripline work. |
| 2013/05/13 | Update on stripline work, replacement of He-3 pump's shaft seals. |
| 2013/05/20 | Update on stripline work. |
| 2013/06/03 |
Run 36
| Run | Det | Det Type | Source | Purpose |
|---|---|---|---|---|
| 36 | G101b | 100 mm | 1 x Am-241 source & 1 x Pb-210 source | 100 mm spiral mask run. |
| 2013/03/06 | Assemble tower, electrical check, install tower, electrical check, problem with Qo bias on stripline 20. |
| 2013/03/07 | Cryoclean mixture, electrical check, short channels on SQUET card ZC-70, electrical check, seal and evacuate IVC, install inner polyethylene shield. |
| 2013/03/08 | Clean cold traps, leak check, quick electrical check, cryoclean mixture, raise dewar, leak check, nitrogen transfer. |
| 2013/03/09 | Electrical check, nitrogen blowout, leak check, first helium transfer, clean nitrogen cold traps. |
| 2013/03/10 | Evacuate IVC overnight, cryoclean mixture, quick electrical check, condense mixture, erect poly-lead shield, electrical check. |
| 2013/03/11 | Condense mixture. |
| 2013/03/12 | Take data, clean cold traps. |
| 2013/03/13 | |
| 2013/03/14 | Take data, clean cold traps. |
| 2013/03/15 | Take data |
| 2013/03/16 | Pump all mixture to dump. |
| 2013/03/17 | Install new speedivalve; Clean cold traps; Clean mixture; Clean cold traps. |
| 2013/03/18 | Helium transfer; Condense, Circulate; |
| 2013/03/19 | Take test data; Test out new circulation methods and cleaning cold traps w/ thoughts. |
| 2013/03/20 | Take test data; Attempt leak tests on cold traps. Blockage occurred. Clean cold traps. |
| 2013/03/21 | Take test data; Switch circulation to cold trap 2. |
| 2013/03/22 | |
| 2013/03/24 |
Run 35
| Run | Det | Det Type | Source | Purpose |
|---|---|---|---|---|
| 35 | G106a | 100 mm | 1 x Am-241 source | Fourth 100 mm iZIP run. |
| 2013/02/20 | Open IVC, replace SQUET card. |
| 2013/02/21 | Problem with stripline 21, attempt patch-up, seal and evacuate IVC. |
| 2013/02/22 | Leak check, raise dewar, leak check, nitrogen transfer. |
| 2013/02/23 | Blow out nitrogen, leak check, throughput test, leak check, electrical check, first helium transfer. |
| 2013/02/24 | Condense mixture, electrical check. |
| 2013/02/25 | Circulate mixture. |
| 2013/02/26 | Flash detector, helium transfer. |
| 2013/02/27 | Loss of base temperature, extract mixture and warm up to 4.2 K. |
| 2013/02/28 | Leak check mixing chamber lines, clean cold traps. |
| 2013/03/01 | Cryopump mixture out of He-3 pump's exhaust, attempt to replace He-3 pump's oil mist eliminator, cryoclean mixture. |
| 2013/03/02 | Clean cold traps, cryoclean mixture. |
| 2013/03/03 | Condense and circulate mixture, flash detector. |
| 2013/03/04 | IbIs and Tc measurements for C2, loss of base temperature, commence warm-up procedure, lower dewar. |
| 2013/03/05 | Open IVC, uninstall tower. |
Run 34
| Run | Det | Det Type | Source | Purpose |
|---|---|---|---|---|
| 34 | G106a | 100 mm | 1 x Am-241 source | Third 100 mm iZIP run. |
| 2013/01/02 | Clean cold traps. |
| 2013/01/03 | Mixture cleaning, LN2 transfer |
| 2013/01/04 | Blow out nitrogen, electrical check, leak check, throughput test, leak check. |
| 2013/01/05 | Leak check, first helium transfer. |
| 2013/01/06 | Cryoclean mixture, condense and circulate mixture. |
| 2013/01/07 | Helium transfer, tune SQUIDs. |
| 2013/01/08 | Tune SQUIDs. |
| 2013/01/09 | IbIs measurements |
| 2013/01/10 | SQUID settings finalized; Take IbIs measurements |
| 2013/01/11 | LHe transfer; |
| 2013/01/12 | IbIs measurements. |
| 2013/01/13 | |
| 2013/01/14 | |
| 2013/01/15 | |
| 2013/01/16 | Charge breakdown tests |
| 2013/01/17 | LHe transfer; Charge breakdown tests. |
| 2013/01/18 | LHe transfer |
| 2013/01/19 | |
| 2013/01/20 | Helium transfer, flash detector. |
| 2013/01/21 | Dib1 Tc measurements |
| 2013/01/22 | Board problems; Charge breakdown tests; LHe transfer |
| 2013/01/23 | Dib3 Tc measurements; Charge breakdown tests |
| 2013/01/24 | LHe transfer; Charge breakdown tests. |
| 2013/01/25 | Dib2 Tc measurements |
| 2013/01/26 | LHe transfer |
| 2013/01/27 | Board debugging. Issues with data taking; PSDs |
| 2013/01/28 | LHe transfer; B3 and C2 Tc measurements |
| 2013/01/29 | Attempts at data taking (quality not good) |
| 2013/01/31 | Attempts at data taking (quality not good) |
| 2013/02/01 | Attempts at data taking (quality not good) |
| 2013/02/02 | Attempts at data taking (quality not good) |
| 2013/02/03 | LHe transfer |
| 2013/02/04 | Take data! |
| 2013/02/05 | Take data! |
| 2013/02/06 | Take data! |
| 2013/02/07 | Take data! |
| 2013/02/08 | Clean cold traps; Take data! |
| 2013/02/09 | |
| 2013/02/10 | |
| 2013/02/11 | |
| 2013/02/12 | |
| 2013/02/13 | Boards debugging. Take data. |
| 2013/02/14 | |
| 2013/02/15 | |
| 2013/02/16 | New DCRC/ DAQ settings. Take data |
| 2013/02/17 | Data debugging. Begin warm-up. |
Run 33
| Run | Det | Det Type | Source | Purpose |
|---|---|---|---|---|
| 33 | G106a | 100 mm | 1 x Am-241 source | Second 100 mm iZIP run. |
| 2012/11/27 | Unpack detector. Tower assembly. |
| 2012/11/28 | Tower installation. Evacuate IVC overnight. |
| 2012/11/29 | Raise dewar. LN2 transfer. |
| 2012/11/30 | Pump out N2 exchange gas. Mixture cleaning. |
| 2012/12/01 | Blow out LN2; Slow LHe transfer; Pump out He exchange gas |
| 2012/12/02 | Start 1 K pot, condense, circulate mixture; Electrical check (posted) |
| 2012/12/03 | Flash detector. LHe transfer |
| 2012/12/04 | DCRC board testing. |
| 2012/12/05 | LHe transfer; Still heating tests |
| 2012/12/06 | Testing DCRCs and studying effect of old vs. new PoE. |
| 2012/12/07 | Testing DCRC heat load; Modifying Mixture; LHe transfer; Electrical check |
| 2012/12/08 | Add mixture, single-shot test. |
| 2012/12/09 | Pump mixture to dump and warm up to 4.2 K, leak check, helium transfer, change He-4 pump oil. |
| 2012/12/10 | Leak check, evacuate IVC overnight. |
| 2012/12/11 | Leak check, cryoclean mixture, helium transfer, condense mixture. |
| 2012/12/12 | Circulate mixture, DCRC board testing, pump mixture to dump and warm up, evacuate IVC overnight. |
| 2012/12/13 | |
| 2012/12/14 | Leak check, overpressurise main bath, leak check, nitrogen transfer, blow out nitrogen, leak check, dump mixture into fridge, leak check, warm up. |
| 2012/12/15 | Lower dewar, open IVC. |
| 2012/12/16 | Electrical check, replace indium seal, evacuate IVC, leak check. |
| 2012/12/17 | Raise dewar, overpressurise main bath, leak check, cryoclean mixture, nitrogen transfer, quick electrical check, evacuate IVC. |
| 2012/12/18 | Blow out nitrogen, leak check, overpressurise main bath, leak check, electrical check, throughput test, helium transfer, evacuate IVC, cryoclean mixture. |
| 2012/12/19 | Leak check. |
| 2012/12/20 | Leak check, condense mixture, leak check hose to IVC, helium transfer, electrical check, circulate mixture. |
| 2012/12/21 | DCRC board testing: successful, flash detector. |
| 2012/12/22 | |
| 2012/12/23 | |
| 2012/12/24 | |
| 2012/12/25 | |
| 2012/12/26 | |
| 2012/12/27 | |
| 2012/12/28 |
Run 32
| Run | Det | Det Type | Source | Purpose |
|---|---|---|---|---|
| 32 | G103a | 100 mm | 1 x Am-241 source | 100 mm iZIP run. |
| 2012/09/27 | Seal and evacuate IVC, electrical check. |
| 2012/09/28 | Leak check, electrical check, evacuate dewar, clean cold traps, raise dewar, leak check, cryoclean mixture. |
| 2012/09/29 | Cryoclean mixture, nitrogen transfer, blow out nitrogen, leak check. |
| 2012/09/30 | Throughput test, leak check, first helium transfer, cryoclean mixture, electrical check, condense mixture. |
| 2012/10/01 | Reach base temperature, partial electrical check, flash detector. |
| 2012/10/02 | Flash detector, helium transfer. |
| 2012/10/03 | |
| 2012/10/04 | Helium transfer. |
| 2012/10/05 | Erect polyethylene-lead shield, SQUID tuning, flash detector. |
| 2012/10/06 | Helium transfer, SQUID tuning. |
| 2012/10/07 | |
| 2012/10/08 | SQUID tuning, helium transfer, interrupt circulation, clean nitrogen cold traps, restart circulation. |
| 2012/10/09 | SQUID tuning, flash detector. |
| 2012/10/10 | Helium transfer, tuned SQUIDs for all 3 boards, take first data set. |
| 2012/10/11 | Retune SQUIDs, take data. |
| 2012/10/12 | Helium transfer, retune SQUIDs. |
| 2012/10/13 | Retune SQUIDs, take data. |
| 2012/10/14 | Take data, helium transfer. |
| 2012/10/15 | |
| 2012/10/16 | Helium transfer. |
| 2012/10/17 | Take Ba-133 data, interrupt circulation, clean nitrogen cold traps, helium transfer, restart circulation. |
| 2012/10/18 | Zap SQUIDs, take Ba-133 data. |
| 2012/10/19 | Helium transfer. |
| 2012/10/20 | Take Ba-133 data, DAQ crash, take Ba-133 data. |
| 2012/10/21 | Helium transfer, take data. |
| 2012/10/22 | |
| 2012/10/23 | Take data, helium transfer. |
| 2012/10/24 | Take data, comparison of SQUID settings. |
| 2012/10/25 | Helium transfer. |
| 2012/10/26 | |
| 2012/10/27 | Charge breakdown measurements, take charge-only data, helium transfer. |
| 2012/10/28 | Take charge-only data, DAQ crash. |
| 2012/10/29 | Helium transfer, zap SQUIDs. |
| 2012/10/30 | Zap SQUIDs, take charge-only data, a look at relative phonon calibration. |
| 2012/10/31 | Take charge-only data, helium transfer, analyse charge-only data, reset DAQ and boards, zap SQUIDs. |
| 2012/11/01 | Zap SQUIDs, take charge-only data, analyse charge-only data, take charge-only data. |
| 2012/11/02 | Helium transfer, take charge-only data. |
| 2012/11/03 | Take charge-only data. |
| 2012/11/04 | Helium transfer. |
| 2012/11/05 | Zap SQUIDs, take charge-only data, initial IbIs measurements. |
| 2012/11/06 | Take charge-only data, helium transfer. |
| 2012/11/07 | |
| 2012/11/08 | Take Ba-133 charge-only data, helium transfer. |
| 2012/11/09 | Take Ba-133 charge-only data. |
| 2012/11/10 | Take charge-only data, helium transfer, reset DAQ and DCRCs, zap SQUIDs. |
| 2012/11/11 | Take Ba-133 charge-only data, analyse Ba-133 charge-only data, odd baseline behaviour during IbIs measurement for A3, take Ba-133 charge only data. |
| 2012/11/12 | Helium transfer, analyse Ba-133 charge-only data. |
| 2012/11/13 | Take Ba-133 charge-only data, analyse Ba-133 charge-only data. |
| 2012/11/14 | Take Ba-133 charge-only data, helium transfer. |
| 2012/11/15 | |
| 2012/11/16 | Helium transfer. |
| 2012/11/17 | IbIs measurements, final SQUID settings, take Ba-133 data. |
| 2012/11/18 | |
| 2012/11/19 | |
| 2012/11/20 | |
| 2012/11/21 | |
| 2012/11/22 | |
| 2012/11/23 | |
| 2012/11/24 | |
| 2012/11/26 |
Run 31
| Run | Det | Det Type | Source | Purpose |
|---|---|---|---|---|
| 31 | G103a | 100 mm | 1 x Am-241 source | First 100 mm iZIP run. |
| 2012/06/26 | Unpack crystal, electrical check, accelerometer data. |
| 2012/06/27 | Cryoclean mixture. |
| 2012/06/28 | Evacuate dewar, assemble tower. |
| 2012/06/29 | Assemble tower, short found & remedied on SCUHBA extender plug PCB, clean cold traps, electrical check, install tower, cryoclean mixture, electrical check, short found on QET lines. |
| 2012/06/30 | Clean ebox feedthroughs, short still present, evacuate IVC, leak check, raise dewar, leak check, nitrogen transfer, cryoclean mixture. |
| 2012/07/01 | Blow out nitrogen, leak check, found gross leak, cryoclean mixture. |
| 2012/07/02 | Lower dewar, leak check. |
| 2012/07/03 | Replace bottom indium seal, tighten bolts around other indium seals, electrical check, evacuate IVC, leak check, raise dewar, leak check, nitrogen transfer, pump on mixing chamber lines. |
| 2012/07/04 | Blow out nitrogen, leak check, electrical check, first helium transfer, cryoclean mixture. |
| 2012/07/05 | Electrical check, condense & circulate mixture. |
| 2012/07/06 | Battle high base temperature, Play around with still heater. |
| 2012/07/07 | Tc measurements. |
| 2012/07/08 | Cooling power measurements, extract mixture from fridge. |
| 2012/07/09 | Clean cold traps, recondense mixture. |
| 2012/07/10 | Circulate mixture, tune SQUIDs. |
| 2012/07/11 | Helium transfer, Tc measurements, flash detector. |
| 2012/07/12 | IbIs measurements (not shown), flash detector, helium transfer. |
| 2012/07/13 | IbIs measurements (not shown). |
| 2012/07/14 | |
| 2012/07/15 | |
| 2012/07/16 | |
| 2012/07/17 | |
| 2012/07/18 | |
| 2012/07/19 | |
| 2012/07/20 | |
| 2012/07/21 | |
| 2012/07/22 | LHe transfer |
| 2012/07/23 | Test DCRC boards; new DCRC settings made; IbIs measurement; Take data |
| 2012/07/24 | LHe transfer; Zap SQUIDS; Take data |
| 2012/07/25 | Connect up DCRC31- establish settings; Zap SQUIDs |
| 2012/07/26 | Take data; LHe transfer; Analyze data; Take data |
| 2012/07/27 | Modify DCRC phonon settings; Tc measurements |
| 2012/07/28 | Take data; LHe transfer; Flash detector |
| 2012/07/29 | Rise in MC temp; Take charge data |
| 2012/07/30 | DAQ crashed; Clean cold traps; LHe transfer; Flash detector |
| 2012/07/31 | Clean cold traps; |
| 2012/08/01 | LHe transfer; Base temp. investigation; Analyze data |
| 2012/08/02 | 1-shot method; Base temp. investigation; Analyze data |
| 2012/08/03 | LHe transfer; Base temp. investigation; Analyze data |
| 2012/08/04 | Base temp. investigation |
| 2012/08/05 | LHe transfer; Base temp. investigation |
| 2012/08/06 | Base temp. investigation; Take data |
| 2012/08/07 | LHe transfer; Take data; Analyze data |
| 2012/08/08 | Put on top part of lead shield; Analyze data; Take data |
| 2012/08/09 | Take data; Study of normal resistances for DCRC33 and DCRC32; LHe transfer. |
| 2012/08/10 | Study of resistances; Stop 1K pot, warm up to 4K |
| 2012/08/11 | LHe transfer |
| 2012/08/12 | Leak check; Pump IVC overnight |
| 2012/08/13 | Spray test; LHe transfer Re-circulate mixture |
| 2012/08/14 | Stopped circulation; Re-started; Mixture-in-dump tests; Pump out mixture overnight |
| 2012/08/15 | LHe transfer; Condensed mixture to leave 200 mbar in dump; Circulate |
| 2012/08/16 | Bleed mixture out of dump and take temperature and pressure readings. |
| 2012/08/17 | Assess effect of still heater on temperatures and pressures, helium transfer, single shot test. |
| 2012/08/18 | Condense and circulate mixture, single shot test. |
| 2012/08/19 | Add He-4 to mixture, cryoclean mixture, helium transfer. |
| 2012/08/20 | Condense and circulate mixture, helium transfer. |
| 2012/08/21 | Assess effect of still heater on temperatures and pressures, extract He-3 from mixture in stages to see effect on base temperature. |
| 2012/08/22 | Extract mixture from fridge, helium transfer, leak check. |
| 2012/08/23 | Leak check, cryopump mixture from He-3 pump exhaust, change He-3 pump oil, feed cryopumped mixture back into dump. |
| 2012/08/24 | Cryoclean mixture, clean cold traps, cryoclean mixture, helium transfer. |
| 2012/08/25 | Condense and circulate mixture. |
| 2012/08/26 | Assess effect of 1 K pot temperature on base temperature, helium transfer, bleed mixture out of dump and take pressure and temperature readings. |
| 2012/08/27 | Bleed mixture out of dump and take pressure and temperature readings. |
| 2012/08/28 | Bleed mixture out of dump and take pressure and temperature readings, restart pumps after power failure, helium transfer, single shot test, summary of findings so far regarding base temperature problem. |
| 2012/08/29 | Condense and circulate mixture. |
| 2012/08/30 | Assess effect of still heater on temperatures and pressures, extract mixture from fridge, condense and circulate mixture. |
| 2012/08/31 | Extract mixture from fridge, evacuate IVC, leak check. |
| 2012/09/01 | Leak check, helium transfer. |
| 2012/09/02 | Leak check. |
| 2012/09/03 | Helium transfer, superfluid leak check from 1 K pot. |
| 2012/09/04 | Leak check, condense and circulate mixture, extract mixture from fridge |
| 2012/09/05 | Superfluid leak check from mixing chamber, helium transfer, uncalibrated He-3 leak check, cryoclean mixture. |
| 2012/09/06 | Leak check, uncalibrated He-3 leak check, cryoclean mixture. |
| 2012/09/07 | Condense and circulate mixture, helium transfer. |
| 2012/09/08 | Extract He-3 from mixture to see effect on base temperature. |
| 2012/09/09 | Extract He-3 from mixture to see effect on base temperature, helium transfer. |
| 2012/09/10 | Flash detector, take charge-only Ba-133 data. |
| 2012/09/11 | Extract mixture from fridge, helium transfer, condense and circulate mixture, flash detector. |
| 2012/09/12 | Take charge-only Ba-133 data. |
| 2012/09/13 | Extract mixture from fridge, remove poly-lead shield, leak check. |
| 2012/09/14 | Leak check. |
| 2012/09/15 | |
| 2012/09/16 | Leak check. |
| 2012/09/17 | Leak check. |
| 2012/09/18 | Nitrogen transfer. |
| 2012/09/19 | Blow out nitrogen, leak check: found gross leak in bottom flange, overpressurise main bath, leak check: gross leak confirmed. |
| 2012/09/20 | |
| 2012/09/21 |
Run 30
| Run | Det | Det Type | Source | Purpose |
|---|---|---|---|---|
| 30 | N/A | N/A | N/A | Empty run to perform leak checks after upgrade; cool down to 77 K to perform cryoleak check |
| 2012/06/25 | Electrical check, evacuate IVC, leak check, electrical check, raise dewar, leak check, nitrogen transfer, cryoclean mixture. |
| 2012/06/26 | Blow out nitrogen, leak check, throughput test, leak check, cryoclean mixture, lower dewar and warm up. |
Run 29
| Run | Det | Det Type | Source | Purpose |
|---|---|---|---|---|
| 29 | N/A | 50 pF Capacitor | N/A | Fourth Flexible Side Coax Test |
| 2012/05/30 | Assemble tower, electrical check. |
| 2012/05/31 | Electrical check, install tower, electrical check, evacuate IVC. |
| 2012/06/01 | Leak check, raise dewar, leak check, nitrogen transfer, cryoclean mixture. |
| 2012/06/02 | Electrical check, blow out nitrogen, leak check, throughput test, leak check, first helium transfer, electrical check, cryoclean mixture. |
| 2012/06/03 | Condense and circulate mixture, charge gain measurements. |
| 2012/06/04 | |
| 2012/06/05 |
Run 28
| Run | Det | Det Type | Source | Purpose |
|---|---|---|---|---|
| 28 | G101b | 100 mm | 1 x Am-241 Q2 position |
| 2011/11/07 | Unpack crystal, detector level continuity check. |
| 2012/05/03 | Cryoclean mixture. |
| 2012/05/04 | Cryoclean mixture. |
| 2012/05/05 | Cryoclean mixture. |
| 2012/05/06 | Cryoclean mixture. |
| 2012/05/07 | Assemble tower, electrical checks, cryoclean mixture. |
| 2012/05/08 | Install tower, electrical checks, cryoclean mixture. |
| 2012/05/09 | Leak check, raise dewar, leak check, nitrogen transfer, cryoclean mixture. |
| 2012/05/10 | Blow out nitrogen, leak check, throughput test, leak check, first helium transfer, cryoclean mixture. |
| 2012/05/11 | Condense and circulate mixture. |
| 2012/05/12 | Flash detector. |
| 2012/05/13 | Take first data series, DAQ crash, helium transfer, Qo DIB 1 noise study, charge breakdown study, analyse first data series. |
| 2012/05/14 | DAQ crashes, struggle to take data. |
| 2012/05/15 | DAQ crash, flash detector, change DAQ, take data, DAQ crash, data reduction problem. |
| 2012/05/16 | DAQ crash, DAQ problems, flash detector, revert to old DAQ, take Ba-133 data. |
| 2012/05/17 | Take Am-241 data, flash detector, analyse Ba-133 data. |
| 2012/05/18 | Take first set of bias sweeps with Ba-133 source, helium transfer, flash detector. |
| 2012/05/19 | Take second set of bias sweeps with Ba-133 source, power cut, restart IGH, recirculate mixture, flash detector, retake second set of bias sweeps with Ba-133 source. |
| 2012/05/20 | |
| 2012/05/21 | |
| 2012/05/22 | |
| 2012/05/23 | |
| 2012/05/24 | |
| 2012/05/25 | |
| 2012/05/26 | |
| 2012/05/27 | |
| 2012/05/28 | |
| 2012/05/29 |
Run 27
| Run | Det | Det Type | Source | Purpose |
|---|---|---|---|---|
| 27 | N/A | 50 pF Capacitor | N/A | Third Flexible Side Coax Test, Second Attempt (version 3.1). |
| 2012/04/14 | Assemble flexible side coax, assemble tower, electrical checks, install tower, electrical checks. |
| 2012/04/15 | Leak check, crycoclean mixture, raise dewar, leak check, nitrogen transfer. |
| 2012/04/16 | Cryoclean mixture, clean nitrogen cold traps, blow out nitrogen, leak check, warm up. |
| 2012/04/17 | Lower dewar, cryoclean mixture. |
| 2012/04/18 | Open IVC, replace indium seal, close IVC, cryoclean mixture. |
| 2012/04/19 | Leak check, open IVC, cryoclean mixture. |
| 2012/04/20 | Replace indium seal, close IVC, cryoclean mixture. |
| 2012/04/21 | Leak check, raise dewar, leak check, nitrogen transfer, cryoclean mixture. |
| 2012/04/22 | Blow out nitrogen, leak check, throughput test, leak check, first helium transfer, cryoclean mixture. |
| 2012/04/23 | Condense and circulate mixture, take PSDs. |
| 2012/04/24 | 20 cm drop test to at rest ratios. |
| 2012/04/25 | Helium transfer. |
| 2012/04/26 | Play around with speaker to reduce electrical coupling. |
| 2012/04/27 | Helium transfer, play around with speaker to reduce electrical coupling. |
| 2012/04/28 | Retake selected PSDs, attempt to induce microphonics through hitting needle valve. |
| 2012/04/29 | Take PSDs with 1 K pot pump off, warm up. |
Run 26
| Run | Det | Det Type | Source | Purpose |
|---|---|---|---|---|
| 26 | N/A | 50 pF Capacitor | N/A | Third Flexible Side Coax Test |
| 2012/03/16 | Solder pins and components to Flexible Side Coax SCAB & SCHUBA v2. |
| 2012/03/28 | Assemble flexible side coax, assemble tower, electrical checks. |
| 2012/03/29 | Install tower, cryoclean mixture. |
| 2012/03/30 | Leak check, raise dewar, leak check, clean cold traps, cryoclean mixture, nitrogen transfer. |
| 2012/03/31 | Blow out nitrogen, leak check, throughput test, leak check, helium transfer. |
| 2012/04/01 | Condense and circulate mixture, attempt to take data but run into problems. |
| 2012/04/02 | |
| 2012/04/03 | Helium transfer. |
| 2012/04/04 | Problem with circuit. |
| 2012/04/06 | Warm up. |
Run 25
| Run | Det | Det Type | Source | Purpose |
|---|---|---|---|---|
| 25 | N/A | 50 pF Capacitor | N/A | Second Flexible Side Coax Test |
| 2012/03/10 | Solder pins and components to Flexible Side Coax SCAB v1. |
| 2012/03/15 | Cryoclean mixture, construct tower. |
| 2012/03/16 | Cryoclean mixture, install tower, clean cold traps. |
| 2012/03/17 | Reseal IVC |
| 2012/03/18 | LN2 Transfer |
| 2012/03/19 | Pump / pressure gauge diagnosing |
| 2012/03/20 | LHe transfer. |
| 2012/03/21 | Condense / circulate. Take data |
| 2012/03/22 | Take data. Warm-up |
| 2012/03/23 | Cool-down again. Re-take data |
| 2012/03/26 | Lower dewar. Warm up |
Run 24
| Run | Det | Det Type | Source | Purpose |
|---|---|---|---|---|
| 24 | N/A | 50 pF Capacitor | N/A | First Flexible Side Coax Test |
| 2012/02/28 | Evacuate dewar. |
| 2012/03/01 | Create flexible side coax: problems, create fake detector. |
| 2012/03/02 | Create flexible side coax: more problems. |
| 2012/03/03 | Assemble tower, install tower, flexible side coax problems, uninstall tower. |
| 2012/03/04 | Brief description of flexible side coax, fix problem with side coax, reassemble tower, install tower. |
| 2012/03/05 | Install tower, electrical check, seal IVC. |
| 2012/03/06 | |
| 2012/03/07 | |
| 2012/03/08 | |
| 2012/03/09 | |
| 2012/03/10 |
Run 23
| Run | Det | Det Type | Source | Purpose |
|---|---|---|---|---|
| 23 | G102a | 100 mm | 1 x Am-241 on ground electrode side under Q2 | “High” voltage test |
| 2012/01/24 | Evacuate IVC, electrical check, cryoclean mixture, circuit diagram & PCB layout for HV DCRC interface board. |
| 2012/01/25 | Leak check, nitrogen transfer, clean nitrogen cold traps. |
| 2012/01/26 | Clean nitrogen cold traps, cryoclean mixture, electrical check, blow out nitrogen, leak check, first helium transfer. |
| 2012/01/27 | Second helium transfer, electrical check, condense & circulate mixture, flash detector. |
| 2012/01/29 | Base temperature problems, helium transfer. |
| 2012/01/30 | |
| 2012/01/31 | Take first data series: -7 V bias; Am-241 only, helium transfer. |
| 2012/02/01 | Take data with Ba-133 source. |
| 2012/02/02 | Helium transfer, take data with Ba-133 source. |
| 2012/02/03 | DAQ crash, take data with Ba-133 source, solder components onto and perform continuity checks on HV DCRC interface boards, helium transfer, take Am-241 only data. |
| 2012/02/04 | Bench tests on HV DCRC interface boards and first look at traces, take Ba-133 data. |
| 2012/02/05 | Helium transfer, base temperature problems, take Ba-133 data. |
| 2012/02/06 | Battle with noise from HV DCRC interface boards, take Ba-133 data. |
| 2012/02/07 | Helium transfer, battle with noise from HV DCRC boards. |
| 2012/02/08 | Battle with noise from HV DCRC interface boards, take Ba-133 data. |
| 2012/02/09 | Take Ba-133 data. |
| 2012/02/10 | Helium transfer, base temperature problems. |
| 2012/02/11 | Clean helium cold trap, battle with noise from HV DCRC interface boards. |
| 2012/02/12 | Take Ba-133 data, battle with low energy events, base temperature problems, helium transfer, circulation problems: V6 screw on IGH broken. |
| 2012/02/13 | Battle with noise from HV DCRC interface boards, first data with HV DCRC interface boards: +10 V bias on ground electrode (ie. collect holes), charge breakdown witnessed at 15-20 V, helium transfer. |
| 2012/02/14 | Base temperature problems, take Ba-133 data, problem with DCRC33. |
| 2012/02/15 | Battle with noise from HV DCRC interface boards, helium transfer, confirmed hints of charge breakdown at +15 V bias; unstable, complete charge breakdown at +20 V bias. |
| 2012/02/16 | Problem with DCRC33, take Ba-133 data, take Ba-133 data at elevated temperature. |
| 2012/02/17 | DAQ crash, take Ba-133 data, helium transfer, take Am-241 only data. |
| 2012/02/18 | DAQ crash, take Ba-133 data at elevated temperature. |
| 2012/02/19 | Helium transfer, take Ba-133 data at elevated temperature. |
| 2012/02/20 | Take Ba-133 data at elevated temperatures. |
| 2012/02/21 | Take Am-241 only data at base and elevated temperatures, apply negative biases to ground electrode with HV DCRC interface boards: hints of charge breakdown at -40 V bias; complete charge breakdown at -45 V bias, helium transfer. |
| 2012/02/22 | DAQ crash, take Am-241 data at elevated temperature. |
| 2012/02/23 | Take Ba-133 data at elevated temperature, clean helium and nitrogen cold traps. |
| 2012/02/24 | Take Ba-133 data with HV DCRC interface boards, warm up. |
Run 22
| Run | Det | Det Type | Source | Purpose |
|---|---|---|---|---|
| 22 | G102a | 100 mm | 1 x Am-241 on ground electrode side under Q2 |
| 2011/11/23 | Assemble tower, tower level continuity check. |
| 2011/11/24 | Install tower, electrical check, cryoclean mixture. |
| 2011/11/25 | Nitrogen transfer. |
| 2011/11/26 | Electrical checks, throughput tests, blow out LN2 → leak found |
| 2011/11/28 | Re-seal IVC; Pump IVC. |
| 2011/11/29 | Electrical check, leak checks, throughput tests, LN2 transfer. |
| 2011/11/30 | Cooling, throughput test to find optimal opening for V6 when cleaning mixture |
| 2011/12/01 | Blow out LN2, cryoclean mixture, LHe transfer |
| 2011/12/02 | Condense/circulate mixture; Flash detector |
| 2011/12/03 | LHe transfer, take data |
| 2011/12/04 | Analyze data, take data w/ Ba-133 source |
| 2011/12/05 | Analyze data |
| 2011/12/06 | Analyze data, LHe transfer |
| 2011/12/07 | Analyze data |
| 2011/12/08 | Take data |
| 2011/12/09 | Take data |
| 2011/12/10 | Take data |
| 2011/12/11 | Take data |
| 2011/12/12 | Take data |
| 2011/12/13 | Take data |
| 2011/12/14 | Take data |
| 2011/12/15 | Take data |
| 2011/12/16 | Take data |
| 2011/12/17 | Take data |
| 2011/12/18 | Take data |
| 2011/12/19 | Take data |
| 2011/12/20 | Take data |
| 2011/12/21 | Take data |
| 2011/12/22 | Take data |
| 2011/12/23 | Take data |
| 2011/12/24 | Take data |
| 2011/12/25 | Take data |
Run 21
| Run | Det | Det Type | Source | Purpose |
|---|---|---|---|---|
| 21 | G21A | 1 cm x 3“ single-sided iZIP | 1 x Am-241 above phonon channel C 1 x Am-241 on edge of phonon channel B | TAMU iZIP test |
| 2011/11/04 | Wire bond scheme, detector level continuity checks. |
| 2011/11/05 | QET A shorted to chassis, broken wire bonds during debugging. |
| 2011/11/08 | New wire bond scheme, detector & tower level continuity checks. |
| 2011/11/09 | Fabricate spacers. |
| 2011/11/10 | Assemble tower, tower level continuity checks, install tower, electrical check, cryoclean mixture. |
| 2011/11/11 | Nitrogen transfer, blow out nitrogen, electrical check, throughput test, first helium transfer, cryoclean mixture. |
| 2011/11/12 | Cryoclean mixture, possible leak. |
| 2011/11/13 | Condense mixture. |
| 2011/11/14 | Warm up, reseal flange, evacuate IVC. |
| 2011/11/15 | Electrical check, raise dewar, nitrogen transfer, cryoclean mixture. |
| 2011/11/16 | Electrical check, blow out liquid nitrogen, throughput test, helium transfer, electrical check, cryoclean mixture. |
| 2011/11/17 | |
| 2011/11/18 | |
| 2011/11/19 | |
| 2011/11/20 | |
| 2011/11/21 | Sample pulses from phonon channel B, IbIs curve from phonon channel B |
Run 20
| Run | Det | Det Type | Source | Purpose |
|---|---|---|---|---|
| 20 | G102 | 100 mm | 1 x Am-241 on ground electrode side under Q2 |
| 2011/10/17 | Evacuate dewar, assemble tower. |
| 2011/10/18 | Install tower, evacuate IVC, cryoclean mixture. |
| 2011/10/19 | Leak check, raise dewar, leak check, nitrogen transfer. |
| 2011/10/20 | Blow out nitrogen, electrical check, warm up due to possible short between Q4 and QET B (DIB1). |
| 2011/10/21 | Uninstall tower, electrical check. |
| 2011/10/22 | Install tower, evacuate IVC. |
| 2011/10/23 | Raise dewar, nitrogen transfer. |
| 2011/10/24 | Electrical check, blow out nitrogen, throughput test, helium transfer, electrical check. |
| 2011/10/25 | |
| 2011/10/26 | |
| 2011/10/27 | |
| 2011/10/28 | |
| 2011/10/29 | |
| 2011/10/30 | |
| 2011/10/31 | |
| 2011/11/01 |
Run 19
| Run | Det | Det Type | Source | Purpose |
|---|---|---|---|---|
| 19 | none | none | Leak Sleuthing |
Run 18
| Run | Det | Det Type | Source | Purpose |
|---|---|---|---|---|
| 18 | G51 | iZIPv4 | none | iZIP stability test |
| 2011/09/19 | Assemble tower, install tower, pump IVC. |
| 2011/09/20 | Leak check, raise dewar, transfer liquid N2. |
| 2011/09/21 | |
| 2011/09/22 | |
| 2011/09/23 | |
| 2011/09/24 | |
| 2011/09/25 | |
| 2011/09/26 | |
| 2011/09/27 |
Run 17
| Run | Det | Det Type | Source | Purpose |
|---|---|---|---|---|
| 17 | G53 | iZIPv5 | none | iZIP stability test |
| 2011/09/08 | Electrical check, assemble tower, electrical check, install tower, electrical check, evacuate IVC. |
| 2011/09/09 | Leak check. |
| 2011/09/10 | |
| 2011/09/11 | |
| 2011/09/12 | |
| 2011/09/13 | |
| 2011/09/14 | |
| 2011/09/15 | |
| 2011/09/16 | |
| 2011/09/17 | |
| 2011/09/18 |
Run 16
| Run | Det | Det Type | Source | Purpose |
|---|---|---|---|---|
| 16 | G102 | 100 mm | 1 x Am-241 on ground electrode side under Q2 |
| 2011/08/25 | Assemble tower, electrical check, install tower. |
| 2011/08/26 | Electrical check, evacuate IVC, leak check, raise dewar, leak check, LN2 transfer, cryoclean mixture. |
| 2011/08/27 | Cryoclean mixture, throughput test, blow out LN2, clean 1 K pot pump exhaust piping. |
| 2011/08/28 | Electrical check, first LHe transfer. Condense and circulate mixture, bake detector. |
| 2011/08/29 | Take -/+4V test data trigger on Q1-4. |
| 2011/08/30 | Take test data trigger on Q1-3. |
| 2011/08/31 | Take data |
| 2011/09/01 | Take data |
| 2011/09/02 | Take data |
| 2011/09/03 | Take data |
| 2011/09/04 | Take data |
| 2011/09/05 | Take data |
| 2011/09/06 | Heating power test, commence warm up. |
| 2011/09/07 | Remove tower, disassemble tower, electrical check. |
Run 15
| Run | Det | Det Type | Source | Purpose |
|---|---|---|---|---|
| 15 | G16K | iZIPv4 | none | iZIP stability test. |
| 2011/07/13 | Assemble tower, electrical check, install tower, electrical check, disassemble tower. |
| 2011/07/14 | Assemble tower, electrical check, install tower. |
| 2011/07/15 | |
| 2011/07/16 | |
| 2011/07/17 | |
| 2011/07/18 | Take data |
| 2011/07/19 | Take data |
| 2011/07/20 | Take data |
| 2011/07/21 | Take data |
| 2011/07/22 | Take data |
| 2011/07/23 | Take data |
| 2011/07/24 | Take data |
| 2011/07/25 | Take data |
| 2011/07/26 | Take data |
| 2011/07/27 | Take data |
Run 14
| Run | Det | Det Type | Source | Purpose |
|---|---|---|---|---|
| 14 | G19N | iZIPv4.4 | 2 x Am-241 | iZIP stability test. |
| 2011/06/29 | Assemble tower, electrical check, install tower. |
| 2011/06/30 | Flush IVC with nitrogen, clean cold traps, leak check, raise dewar, leak check, LN2 transfer. |
| 2011/07/01 | Blow out LN2, pump transfer stick, fill cold trap, first helium transfer, flash & bake detector. |
| 2011/07/02 | Tune phonon channels. |
| 2011/07/03 | Tune phonon channels, warm up fridge to 4.2 K, pump on IVC to expunge helium. |
| 2011/07/04 | Helium transfer, cryoclean mixture, start 1 K pot, condense mixture. |
| 2011/07/05 | |
| 2011/07/06 | |
| 2011/07/07 | |
| 2011/07/08 | |
| 2011/07/09 | |
| 2011/07/10 | |
| 2011/07/11 | |
| 2011/07/12 | |
| 2011/07/13 |
Run 13
| Run | Det | Det Type | Source | Purpose |
|---|---|---|---|---|
| 13 | G102 | 100mm 4Q R&D Detector | Four Am-241 on electrode side | Second 100 mm crystal test. |
| 2011/05/25 | Unpack crystal, detector level continuity check, accelerometer data. |
| 2011/06/07 | Assemble tower, electrical check, install tower, electrical check. |
| 2011/06/08 | Leak check, raise dewar, LN2 transfer, cryoclean mixture. |
| 2011/06/09 | Throughput test, leak check, blow out LN2, leak check, electrical check, LHe transfer, condense mixture, electrical check, circulate mixture. |
| 2011/06/10 | |
| 2011/06/11 | |
| 2011/06/12 | |
| 2011/06/13 | |
| 2011/06/14 | |
| 2011/06/15 | |
| 2011/06/16 | |
| 2011/06/17 | |
| 2011/06/18 | |
| 2011/06/19 | |
| 2011/06/20 | |
| 2011/06/21 | |
| 2011/06/23 | |
| 2011/06/24 | |
| 2011/06/25 | |
| 2011/06/26 | |
| 2011/06/27 | |
| 2011/06/28 | |
| 2011/06/29 | End of run, warm up fridge. |
Run 12
| Run | Det | Det Type | Source | Purpose |
|---|---|---|---|---|
| 12 | G42 | iZIPv4 | Two Am-241 | First test of iZIP performance in K100 setup. |
| 2011/04/21 | Cryoclean mixture. |
| 2011/04/22 | Cryoclean mixture, assemble tower |
| 2011/04/23 | Crycoclean mixture, tower level continuity checks, install tower, electrical check, evacuate IVC. |
| 2011/04/24 | Cryoclean mixture, leak check, evacuate and raise dewar, leak check, transfer nitrogen. |
| 2011/04/25 | Cryoclean mixture, blow out LN2, leak check, throughput test, leak check, first LHe transfer. |
| 2011/04/26 | Clean N2 cold trap 2, cryoclean mixture, start 1 K pot, condense mixture, electrical check. |
| 2011/04/27 | Circulate mixture, flash detector, second LHe transfer, DAQ issues. |
| 2011/04/28 | Flash detector, DAQ issues, take data |
| 2011/04/29 | Flash detector, DAQ issues, LHe transfer. |
| 2011/04/30 | Flash detector, DAQ issues, take data |
| 2011/05/01 | Flash detector, LHe transfer, analyse charge-only Am-241 data. |
| 2011/05/02 | Take data, flash detector, data reduction issues, DAQ issues. |
| 2011/05/03 | Flash detector, take data, LHe transfer. |
| 2011/05/04 | Flash detector, take data, analyse iZIP format data. |
| 2011/05/05 | Flash detector, take data, analyse iZIP format data. |
| 2011/05/06 | LHe transfer. |
| 2011/05/07 | Blockage sleuthing, pump mixture into dump and recondense, start circulation, LHe transfer, clean helium cold trap. |
| 2011/05/08 | Flash detector, turn still heater on, take data. |
| 2011/05/09 | Flash detector, LHe transfer, phonon noise PSDs. |
| 2011/05/10 | Take data, flash detector, analyse data for neutralisation. |
| 2011/05/11 | Flash detector, take data, analyse data. |
| 2011/05/12 | Take data, analyse data, flash & bake detector. |
| 2011/05/13 | LHe transfer, take data. |
| 2011/05/14 | Flash detector, LHe transfer, analyse data, take data. |
| 2011/05/15 | DAQ issues, analyse data. |
| 2011/05/16 | DAQ issues, LHe transfer. |
| 2011/05/17 | Take data, tune phonon channels, LHe transfer, analyse data. |
| 2011/05/18 | Tune phonon channels. |
| 2011/05/19 | Take data, analyse data. |
| 2011/05/20 | LHe transfer. |
| 2011/05/21 | Take data. |
| 2011/05/22 | Analyse data, take data. |
| 2011/05/23 | LHe transfer, analyse data. |
| 2011/05/24 | Take data, LHe transfer. |
| 2011/05/25 | Take data. |
| 2011/05/26 | Take data, LHe transfer. |
| 2011/05/27 | Take data, DAQ issues. |
| 2011/05/28 | Take data, DAQ issues. |
| 2011/05/29 | Take data, analyse data. |
| 2011/05/30 | Take data, LHe transfer. |
| 2011/05/31 | |
| 2011/06/01 | |
| 2011/06/02 | |
| 2011/06/03 | |
| 2011/06/04 | |
| 2011/06/05 | |
| 2011/06/06 | |
| 2011/06/10 | |
| 2011/06/13 | Six Hour run. 07110605_1721 |
Run 11
| Run | Det | Det Type | Source | Purpose |
|---|---|---|---|---|
| 11 | G101 | 100 mm Crystal | Four Am-241 on electrode side | First 100 mm crystal test. |
| 2011/02/26 | Procedure for unpacking crystal, accelerometer data |
| 2011/03/07 | Clean Cu parts, remove tower and disassemble, reassemble with 100 mm detector, issue with Schuba extender plugs |
| 2011/03/08 | Modify one Schuba extender plug, attach one side coax to tower |
| 2011/03/09 | Check LEDs |
| 2011/03/10 | Check LEDs |
| 2011/03/11 | Assemble tower, electrical check, install tower |
| 2011/03/12 | Install tower, electrical check, leak check, LN2 transfer, crycolean mixture |
| 2011/03/13 | Electrical check, throughput test |
| 2011/03/14 | Blow out LN2, leak check, throughput test, lower dewar, leak check, open IVC, replace indium seal, electrical check, close IVC, evacuate IVC |
| 2011/03/15 | Leak check, raise dewar, leak check, LN2 transfer, leak check mixture lines |
| 2011/03/16 | Leak check mixture lines, cryoclean mixture, throughput test, leak check, blow out LN2, leak check, first LHe transfer, start 1 K pot, condense mixture, circulate mixture, flash detector |
| 2011/03/17 | Take data |
| 2011/03/18 | Take data |
| 2011/03/19 | Take data |
| 2011/03/20 | Take data |
| 2011/03/21 | Take data |
| 2011/03/22 | Take data |
| 2011/03/23 | Take data |
| 2011/03/24 | Take data |
| 2011/03/25 | Take data |
| 2011/03/26 | Take data |
| 2011/03/27 | Take data |
| 2011/03/28 | Take data |
| 2011/03/29 | Take data |
| 2011/03/30 | Take data |
| 2011/03/31 | Take data |
| 2011/04/01 | Take data |
| 2011/04/02 | Take data |
| 2011/04/03 | Take data |
| 2011/04/04 | Take data |
| 2011/04/05 | Take data |
| 2011/04/06 | Take data |
| 2011/04/07 | Take data |
| 2011/04/08 | Take data |
| 2011/04/09 | Take data |
| 2011/04/10 | Take data |
| 2011/04/11 | Take data |
| 2011/04/12 | Take data |
| 2011/04/13 | Take data |
| 2011/04/14 | Take data |
| 2011/04/15 | Take data |
| 2011/04/21 | Remove tower and disassemble, visible crystal check, measure Am-241 source activities. |
| 2011/05/05 | Assemble shipping container. |
Run 10
| Run | Det | Det Type | Source | Purpose |
|---|---|---|---|---|
| 10 | G8&G9 | CDMS II ZIP | Two Am-241 on G9 | Assess performance of neutron shield |
| 2011/02/14 | Clean N2 cold traps |
| 2011/02/15 | Throughput test, clean He cold trap, throughput test, cryoclean mixture |
| 2011/02/16 | Throughput test, clean N2 cold traps |
| 2011/02/17 | Cryoclean mixture, clean N2 cold traps |
| 2011/02/18 | Cryoclean mixture, clean N2 cold traps |
| 2011/02/19 | Cryoclean mixture |
| 2011/02/20 | Evacuate mixing chamber, LN2 transfer |
| 2011/02/21 | Cryoclean mixture, throughput test |
| 2011/02/22 | Cryoclean mixture, pump out N2 exchange gas |
| 2011/02/23 | Cryoclean mixture |
| 2011/02/24 | Electrical check, blow out LN2, leak check, first LHe transfer |
| 2011/02/25 | Cryoclean mixture, start 1 K pot, condense mixture, circulate mixture, flash detectors, second LHe transfer |
| 2011/02/26 | Battle relatively high tower temperature and DCRC noise |
| 2011/02/27 | Battle frozen DAQ issue, LHe transfer |
| 2011/02/28 | Battle frozen DAQ issue |
| 2011/03/01 | Battle frozen DAQ issue |
| 2011/03/02 | Battle frozen DAQ issue |
| 2011/03/03 | Battle frozen DAQ issue, tune phonon channels |
| 2011/03/04 | Take data |
| 2011/03/05 | Take data |
| 2011/03/06 | Take data, end of run, warm up fridge |
Run 9
| Run | Det | Det Type | Source | Purpose |
|---|---|---|---|---|
| 9 | G8&G9 | CDMS II ZIP | Two Am-241 on G9 | Warm electronics tests in preparation for DCRCv3 & 100 mm crystal |
| 2011/01/24 | Pump IVC |
| 2011/01/25 | Leak check, electrical check, LN2 transfer |
| 2011/01/26 | Electrical check at 77 K, throughput test |
| 2011/01/27 | Clean N2 cold trap 1, throughput test, clean He cold trap, throughput test, blow out LN2, leak check, first LHe transfer |
| 2011/01/28 | Start 1 K pot, condense mixture |
| 2011/01/29 | Second LHe transfer, circulate mixture |
| 2011/01/30 | Circulate mixture, early DCRC test |
| 2011/01/31 | DCRC debugging, LHe transfer, circulate mixture |
| 2011/02/01 | DCRC debugging, circulate mixture |
| 2011/02/02 | DCRC debugging, take data |
| 2011/02/03 | End of run, warm up fridge |
Run 8
| Run | Det | Det Type | Source | Purpose |
|---|---|---|---|---|
| 8 | G8&G9 | CDMS II ZIP | Two Am-241 on G9 | Cold hardware tests in preparation for DCRCv3 & 100 mm crystal |
| 2010/12/07 | Pump Dewar, clean Cu parts, install detectors, and tower electrical check. |
| 2010/12/10 | Install tower, electrical check. |
| 2010/12/12 | Leak check. |
| 2010/12/13 | Leak check. |
| 2010/12/14 | Leak check. |
| 2010/12/15 | Leak check. |
| 2010/12/16 | Electrical check at 77K, throughput test, blowing out N2, leak check, transfer He. |
| 2010/12/17 | Condensing and circulation, bake detector. |
| 2010/12/18 | Flash detector |
| 2010/12/19 | Tune phonon channels |
| 2010/12/20 | Turn detector |
| 2010/12/21 | More tuning, take data |
| 2010/12/22 | Take more data |
| 2010/12/23 | Take data |
Run 7
| Run | Det | Det Type | Source | Purpose |
|---|---|---|---|---|
| 7 | G41 | 1” IZIP | Cold hardware tests in preparation for DCRCv3 & 100 mm crystal |
| Date | Summary |
|---|---|
| 2010/11/13 | Pump dewar, install SQUET card, electrical check and evacuate IVC |
| 2010/11/14 | Leak check, raise Dewar, transfer liquid N2, fill N2 cold trap |
| 2010/11/15 | Throughput test, cryoclean, blow out liquid N2, transfer LHe |
| 2010/11/16 | Start circulation. DCRC charge channel test. Bake detector |
| 2010/11/17 | SQUID zapping and tuning function check. DAQ data format check. |
| 2010/11/18 | LED flashing function fix. SQUID modulation magnetic shield position dependence check. DAQ file format fix. |
| 2010/11/19 | Charge noise diagnosis |
| 2010/11/20 | Labview upgrade |
| 2010/11/21 | Debug DAQ |
| 2010/11/22 | Tweaking cdmsbats |
| 2010/11/23 | Tweaking cdmsbats |
| 2010/11/24 | Warm up fridge, end of run. |
| 2010/11/29 | Lower dewar and warm up IVC. |
Run 7A (ABANDONED!)
| Run | Det | Det Type | Source | Purpose |
|---|---|---|---|---|
| 7 | G41 | 1“ IZIP | Cold hardware tests in preparation for DCRCv3 & 100 mm crystal |
| Date | Summary |
|---|---|
| 2010/10/13 | Assemble tower, electrical check |
| 2010/10/14 | Install tower, pump IVC |
| 2010/10/15 | Leak check, electrical check |
| 2010/10/16 | Open IVC, electrical check |
| 2010/10/17 | Electrical check, seal and evacuate IVC |
Run 6
| Run | Det | Det Type | Source | Purpose |
|---|---|---|---|---|
| 6 | G41 | 1” IZIP | Measure Tc's of phonon channels on DIB2, A2, B2, C2, and D2 |
| Date | Summary |
|---|---|
| 2010/08/09 | Dropped Dewar, IVC T=241K, blow air to IVC and bath, and wait IVC to warm up |
| 2010/08/10 | Opened IVC, took out tower, removed Cu tape from 1 Am-241 source, put G41 and Am-241 source on the tower, electrical check, pump the Dewar |
| 2010/08/11 | Install tower, electrical check, leak check, raise dewar, transfer liquid N2 |
| 2010/08/12 | Blow out liquid N2, leak check, throughput test; a leak of 4.2cc/s is found between IVC and He bath |
| 2010/08/13 | Hunt the leak between the IVC and the bath |
| 2010/08/14 | Leak check and transfer liquid N2 |
| 2010/08/15 | Leak check and transfer liquid Helium |
| 2010/08/16 | Start circulation |
| 2010/08/17 | Pulse, Rn, Tc, Ic measurements |
Run 5
Installed 4“ can. Put 2 Am-241 sources and detector G9 together.
| Date | Run # | Subject |
|---|---|---|
| 2010/07/21 | 5 | Pump Dewar, cryoclean mixture, order liquid N2 |
| 2010/07/22 | 5 | Assemble tower, electrical check, install tower, electrical check, pump IVC |
| 2010/07/23 | 5 | Leak check, raise Dewar, transfer liquid N2, fill N2 cold trap |
| 2010/07/24 | 5 | Fill N2 cold trap |
| 2010/07/25 | 5 | Electrical check at 77K, throughput test, blow N2 out, transfer liquid He |
| 2010/07/26 | 5 | Condensing and circulating mixture, setting SQUID, baking detector overnight |
| 2010/07/27 | 5 | Tune SQUID from DCRC v2 (didn't work). Take pulse data using DCRC v1 |
| 2010/07/28 | 5 | Overnight Am-241 run |
| 2010/07/29 | 5 | Analyse overnight Am-241 run, take Cf-252 data to test effectiveness of neutron shield |
| 2010/07/30 | 5 | Take Ba-133 data |
| 2010/07/31 | 5 | Overnight Ba-133 run and analysis |
Run 4
Replaced Qi gate wire in the longest sidecoax with a low noise coaxial cable (5.6” with 30pF/ft). Test the coaxial cable noise performance.
| Date | Run # | Subject |
|---|---|---|
| 2010/06/11 | 4 | Blow out N2, electrical check at 77K, throughput test, transfer liquid He |
| 2010/06/12 | 4 | Start circulation |
| 2010/06/13 | 4 | Circulation stopped possibly because of an overwhelming still heating power. Restarted circulation. Transfer liquid He |
| 2010/06/14 | 4 | Measure charge noise |
| 2010/06/15 | 4 | Measure charge noise |
| 2010/06/16 | 4 | Measure charge noise |
| 2010/06/17 | 4 | Measure charge noise |
Run 3
Test with DCRC v2 and the detector used in Run 2 (G9 or T1Z5)
| Date | Run # | Subject |
|---|---|---|
| 2010/04/29 | 3 | Pumping IVC |
| 2010/04/30 | 3 | Electrical check, cryoclean mixture |
| 2010/05/01 | 3 | Leakcheck, transfer liquid N2 |
| 2010/05/02 | 3 | Fridge at 77K |
| 2010/05/03 | 3 | Electrical check at 77K, blow out N2, leak check, throughput test, transfer liquid He |
| 2010/05/04 | 3 | Start circulation, setup analysis package, bake detector over night |
| 2010/05/05 | 3 | |
| 2010/05/06 | 3 | Calibration data, background data, charge only |
| 2010/05/07 | 3 | Charge only calibration data. Test functions of DCRC v2 |
| 2010/05/08 | 3 | Bake detector |
| 2010/05/09 | 3 | Bake detector |
| 2010/05/10 | 3 | Calibrate DCRC v2 |
| 2010/05/11 | 3 | IbIs |
| 2010/05/12 | 3 | Debug DCRC control vi |
| 2010/05/13 | 3 | Take data with DCRC v1 |
| 2010/05/14 | 3 | Work on the phonon channels of DCRC v2 |
| 2010/05/15 | 3 | Work on the phonon channels of DCRC v2 |
| 2010/05/16 | 3 | Take 133Ba data with v1 |
Run 2
Added 600 mK heat sink to the tower and a thermometer on the detector housing.
| Date | Run # | Subject |
|---|---|---|
| 2010/02/11 | 2 | Mounted thermometer, tower; electrical check; closed fridge. |
| 2010/02/12 | 2 | A leak found on the IVC valve. All four leads of the new thermometer shorted to fridge. |
| 2010/02/15 | 2 | Cleaned and greased IVC valve and put it back. A leak of response time ~2min found on NW50 feed through. |
| 2010/02/16 | 2 | IVC valve fixed. Open IVC and fix thermometer wire. |
| 2010/02/17 | 2 | Close IVC and leak check again, pump Dewar, cryoclean mixture. |
| 2010/02/18 | 2 | Raise Dewar, clean mixture, order LN2, LHe. |
| 2010/02/19 | 2 | Leak check, transfer LN2. |
| 2010/02/20 | 2 | Electrical check at 77K (result), pump out N2 exchange gas. |
| 2010/02/21 | 2 | Transfer LHe, cool down to 4.2K. |
| 2010/02/22 | 2 | Start circulation. Measure Tc |
| 2010/02/23 | 2 | Measure Ic |
| 2010/02/24 | 2 | Measure Ic |
| 2010/02/25 | 2 | Measure Ic |
| 2010/02/26 | 2 | IbIs measurement |
| 2010/03/01 | 2 | Debug DAQ |
| 2010/03/02 | 2 | Jeter did a fix on lookback time issue. BatRoot installation not complete |
| 2010/03/03 | 2 | Debug DAQ |
| 2010/03/04 | 2 | Debug DAQ |
| 2010/03/12 | 2 | Flashing and taking data |
| 2010/03/13 | 2 | Flashing and taking data |
| 2010/03/14 | 2 | Flashing and taking data |
| 2010/03/15 | 2 | Flashing and taking data |
| 2010/03/16 | 2 | Flashing and taking data |
| 2010/03/17 | 2 | Flashing and taking data |
Run 1
| Date | Run # | Subject |
|---|---|---|
| 2009/11/09 | 1 | SQUID tuning. SQUIDs A and D have modulation depth ~250mV; B and C have modulation depth ~500mV. D seemed have trapped flux which can not be removed by zapping. Plan to try zapping manually from the breakout box without DCRC. |
| 2009/11/10 | 1 | Still power optimization. The optimal still power is or close to 6 mW. A stable base temperature of 36.5 mK with the detector powered up is obtained. P1=0.18mBar, 1K pot=1.62K, P2=12mBar. Also tried IbIs but didn't work out. |
| 2009/11/11 | 1 | Noise spectrum measurement with “0” and the 1480 uA QET biases. |
| 2009/11/12 | 1 | IbIs measurement at base temperature (36.5mK). |
| 2009/11/18 | 1 | Noise debugging |
| 2009/11/19 | 1 | Noise debugging |
| 2009/11/20 | 1 | Noise debugging |
| 2009/11/30 | 1 | Ic and noise measurements |
| 2009/12/01 | 1 | Ic and noise measurements |
| 2009/12/02 | 1 | Noise measurements |
| 2009/12/03 | 1 | Noise measurements |
| 2009/12/04 | 1 | Noise measurements |
| 2009/12/07 | 1 | Noise measurements |
| 2009/12/08 | 1 | Charge noise measurements and LED flashing |
| 2009/12/09 | 1 | LED flashing. |
| 2009/12/10 | 1 | Take pulse data. |
| 2009/12/11 | 1 | Calibrate DCRC. |
| 2009/12/22 | 1 | Check DCRC and software. |