Neutron Source Runs

Table 1: Description of runs
Run	Date	Source	Scintillator	Bias	Data File
1	2014/01/28	Cf-252	non-Gd loaded	1100 V	20140128_self-trig_cf251_1100v_PMT14_200mV-scale.dat
2	2014/01/31	background	none	1100 V	20140131_self-trig_background-no-scint_1100v_PMT14_200mV-scale.dat
3	2014/01/31	background	non-Gd loaded	1100 V	20140131_self-trig_background_1100v_PMT14_200mV-scale.dat
4	2014/01/31	Cf-252	none	1100 V	20140131_self-trig_cf252-no-scint_1100v_PMT14_200mV-scale.dat
5	2014/02/04	Cf-252	Gd loaded	1100 V	20140204_pmt14_self-trig_cf252_1100v_Gd-scint.dat
6	2014/02/05	background	Gd loaded	1100 V	20140205_pmt14_self-trig_background_1100v_Gd-scint.dat
7	2014/02/11	Y-88 Be	Gd loaded	1100 V	20140211_pmt14_self-trig_Y88-Be_1100V_Gd-scint.dat
8	2014/02/12	Y-88 Be	non-Gd loaded	1100 V	20140212_pmt14_self-trig_Y88-Be_1100V.dat
9	2014/02/13	Cf-252 (thermalized)	non-Gd loaded	1100 V	20140213_pmt14_self-trig_Cf252_1100v_thermalized.dat
10	2014/02/14	Cf-252 (thermalized)	Gd loaded	1100 V	20140214_pmt14_self-trig_Cf252_1100v_Gd-scint_thermalized.dat
11	2014/02/17	Y-88 Be (Pb shielded)	Gd loaded	1100 V	20140217_pmt14_self-trig_Y88-Be_1100v_Gd-scint.dat
12	2014/02/18	Y-88 Be (Pb shielded)	non-Gd loaded	1100 V	20140218_pmt14_self-trig_Y88-Be_1100v.dat

Figure 1: Area under the pulse with no source and no scintillator.

Cf-252 runs using the non-Gadolinium-loaded scintillator

These runs were done with and without the Cf-252 source using the scintillator without Gd.

Figure 2: Area under the pulse for background and Cf252 for the non-Gd-loaded scintillator.

Figure 3: Background subtracted - histograms weighted by number of events.

Figure 4: Background subtracted - histograms weighted by total time.

These runs were done with and without the Cf-252 source using the scintillator with Gd.

Figure 2: Area under the pulse for background and Cf252 for the Gd-loaded scintillator.

Figure 3: Background subtracted - histograms weighted by number of events.

Figure 4: Background subtracted - histograms weighted by total time.

Possible peak visible around 9 nVs.

These runs were done with and without the YBe source using the scintillator without Gd.

Figure 5: Area under the pulse for background and YBe for the non-Gd-loaded scintillator.

Figure 6: Background subtracted - histograms weighted by number of events.

Figure 7: Background subtracted - histograms weighted by total time.

These runs were done with and without the YBe source using the scintillator with Gd.

Figure 8: Area under the pulse for background and YBe for the Gd-loaded scintillator.

Figure 9: Background subtracted - histograms weighted by number of events.

Figure 10: Background subtracted - histograms weighted by total time.

These runs were done with and without the Cf-252 source (shielded using polyethylene) using the scintillator without Gd.

Figure 11: Area under the pulse for background and Cf252 for the Gd-loaded scintillator.

Figure 12: Background subtracted - histograms weighted by number of events.

Figure 13: Background subtracted - histograms weighted by total time.

These runs were done with and without the Cf-252 source (shielded using polyethylene) using the scintillator with Gd.

Figure 14: Area under the pulse for background and Cf252 for the Gd-loaded scintillator.

Figure 15: Background subtracted - histograms weighted by number of events.

Figure 16: Background subtracted - histograms weighted by total time.

These runs were done with and without the YBe source (shielded using lead) using the scintillator without Gd.

Figure 17: Area under the pulse for background and lead-shielded YBe for the non-Gd-loaded scintillator.

Figure 18: Background subtracted - histograms weighted by number of events.

Figure 19: Background subtracted - histograms weighted by total time.

These runs were done with and without the YBe source (shielded using lead) using the scintillator with Gd.

Figure 20: Area under the pulse for background and lead-shielded YBe for the Gd-loaded scintillator.

Figure 21: Background subtracted - histograms weighted by number of events.

Figure 22: Background subtracted - histograms weighted by total time.