−Table of Contents
Efficiency correction of cQin & cTiming cut efficiencies for WIMPs
Studies for Run125-8 analysis/paper
Study of energy-dependence
Ideally we should calculate the correction for every energy bin. However, in order for the calculated correction vs. energy data to be informative, it needs to have relatively small errors. This means that we want to use charge propagation MC for cQin which is in the process of developing and we need better neutron MC statistics.
We can do a rude estimate of the energy dependence with what we have now. The main contributor to the correction is cQin cut rather than cTiming and also let's assume that spatial distribution of neutron interactions is energy independent. Measured cQin efficiency for neutrons from Tobias's note, varies ~ from 60% to 80%. Roughly, this corresponds to variations in correction factor from 0.940 to 0.975.
Data Locations
Original NE Stem data is located : /data/cdms8b/cQin_MC/data/Cf5TNE_Xinjie/
Original SW Stem data is located : /data/cdms8b/cQin_MC/data/Cf5TSW_Xinjie/
New SW Stem Cf-252 MC data is located : /data/cdms8b/cQin_MC/data/Cf5TSW/
Second round of new SW Stem data is located : /data/cdms8b/cQin_MC/data/Cf5TSW_new/
New NE Stem CF-252 MC data is located : /data/cdms8b/cQin_MC/data/Cf5TNE/
Code located: /data/cdms8b/cQin_MC/code/mark_study/ Within that folder:
- Energy Dependence using R-cut variance : []/EDep/
- Top level file: en_dep_study.m
- Things to edit in file before run:
- savedir
- loaddir
- fname
- datalist (numbers tagged on in loaddir/fname_##
- e_bins
- 10 to 100 for a quick overall look of the data
- smaller subset of bins for detailed look
- Energy Dependence using QiQo.m from Scott Hertel : []/EDep_alt/
- Top level file: en_dep_study_alt.m
- Things to edit in file before run:
- savedir
- loaddir
- plotdir
- fname
- datalist (numbers tagged on in loaddir/fname_##
- e_bins
- 10 to 100 for a quick overall look of the data
- smaller subset of bins for detailed look
- WIMP analysis for the QiQo.m study : []/WIMP/
- Top level file: WIMP_eff.m
- Things to edit in file before run:
- e_bins
- MCsize
- Scripts for reading in new MC data : []/readoutASCII/
- Top level file: ana_stp1output.m
- Things to edit in file before run:
- files_dir (location of raw MC data, changes depending on who ran the simulation)
- files_list
- To generate this file, change directory to files_dir and enter: ls Cf* > /data/cdms8b/cQin_MC/code/mark_study/files.list
- files.list can be more descriptive, ie filesNE.list, etc
- Which load function to use (NE vs SW)