Efficiency calibration in the lab ************************************ CAUTION! This is now GEM1800 @ 145deg distance But still operated as Xray1 in DAQ ************************************ Threshold slightly increased Detector: GEM1800 - 145 deg Source: 241Am_hi Distance: 305mm Start time: 10:27:58 - 14.05.2021 Stop time: 11:14:03 - 14.05.2021 file name: e127b_run0042.lmd avrg. rate: 200Hz dead-time: 1.5% Blocking gate 2.5 us in vulom. Threshold < 10keV The scale serial communication is off.
Efficiency calibration in the lab ************************************ CAUTION! This is now GEM1800 @ 145deg distance But still operated as Xray1 in DAQ ************************************ Threshold slightly increased Detector: GEM1800 - 145 deg Source: 210Pb Distance: 305mm Start time: 11:17:23 - 14.05.2021 Stop time: 13:47:42 - 14.05.2021 file name: e127b_run0043.lmd avrg. rate: 40Hz dead-time: 0% Blocking gate 2.5 us in vulom. Threshold < 10keV The scale serial communication is off.
Efficiency calibration in the lab ************************************ CAUTION! This is now GEM1800 @ 145deg distance But still operated as Xray1 in DAQ ************************************ 90deg TFA diff set from 50 to 200. Also threshold is slightly increased. Detector: GEM1800 - 145 deg Source: 210Pb Distance: 305mm Start time: 13:58:33 - 14.05.2021 Stop time: 16:46:00 - 14.05.2021 file name: e127b_run0044.lmd avrg. rate: 40Hz dead-time: 0% Blocking gate 2.5 us in vulom. Threshold < 10keV The scale serial communication is off.
Detector: DSSD Source: CAEN Detector Emulator Start time: 20:24:14 - 15.05.2021 Stop time: 21:01:34 - 15.05.2021 file name: e127b_run0045.lmd avrg. rate: 1000Hz dead-time: 7.5% Si bias test cycle: 0V > 50V/200uA > 100V/280uA > 150V/370uA > 120V/320uA > 90V/260uA > 60V/210uA > 30V/160uA > 0V This cycle is run twice i the first 15 minutes and shall be used for calibration of the scaler channels. Also ESR trafo is running with beam.
Detectors: Xray1 (GEM1800), Xray2 (GLP), Xray3 (GEM3000) Sources: different Am241 at each detector Start time: 11:25:04 - 16.05.2021 Stop time: 11:29:45 - 16.05.2021 file name: e127b_run0046.lmd avrg. rate: 6000Hz dead-time: 30%
Efficiency calibration in ESR ************************************ GEM1800 @ 90deg (xray1) GEM3000 @ 35deg (xray2) GLP2000 @ 145deg (xray3) ************************************ Detector: all Source @ 90deg: 210Pb Source @ 35deg: 133Ba_hi Source @ 145deg: 241Am_hi Distance: each Start time: 01:20:23 - 18.05.2021 Stop time: 11:05:30 - 18.05.2021 file name: e127b_run0048.lmd avrg. rate: 400Hz dead-time: 3%
Efficiency calibration in ESR ************************************ GEM1800 @ 90deg (xray1) GEM3000 @ 35deg (xray2) GLP2000 @ 145deg (xray3) ************************************ Detector: all Source @ 90deg: 210Pb Source @ 35deg: 133Ba_hi Source @ 145deg: 241Am_hi Distance: each Start time: 11:22:36 - 18.05.2021 Stop time: 13:36:55 - 18.05.2021 file name: e127b_run0049.lmd avrg. rate: 400Hz dead-time: 3%
crap
The coefficients are produced only quick and dirty, S_x=1 was fixed to 1. E = E_x = E_y = S_x*A_x = S_y*A_y from 1-16: Si X channel from 17-32: Si Y channel S_param[1]=1; S_param[2]=1.00953; S_param[3]=1.00697; S_param[4]=1.00506; S_param[5]=0.985741; S_param[6]=1.00338; S_param[7]=0.998362; S_param[8]=1.00424; S_param[9]=0.998684; S_param[10]=1.00029; S_param[11]=1.01181; S_param[12]=1.007; S_param[13]=1.00927; S_param[14]=1.00828; S_param[15]=1.01399; S_param[16]=0.995168; S_param[17]=1.00612; S_param[18]=1.01383; S_param[19]=0.99964; S_param[20]=1.03; S_param[21]=1.00987; S_param[22]=1.01913; S_param[23]=0.993491; S_param[24]=1.02393; S_param[25]=1.00342; S_param[26]=0.990515; S_param[27]=0.986303; S_param[28]=0.986874; S_param[29]=1.00188; S_param[30]=1.01761; S_param[31]=0.995329; S_param[32]=0.995247;
Efficiency calibration in ESR after experiment ************************************ GEM1800 @ 90deg (xray1) GEM3000 @ 35deg (xray2) GLP2000 @ 145deg (xray3) ************************************ Detectors: 90 + 145 Source @ 90deg: 210Pb Source @ 145deg: 241Am_hi Distance: each Start time: 10:24:55 - 30.05.2021 Stop time: 11:19:29 - 30.05.2021 file name: e127b_run0212.lmd avrg. rate: 250Hz dead-time: 2%
Efficiency calibration in ESR after experiment ************************************ GEM1800 @ 90deg (xray1) GEM3000 @ 35deg (xray2) GLP2000 @ 145deg (xray3) ************************************ Detectors: 90 + 145 + 35 Source @ 90deg: 241Am_hi Source @ 145deg: 210Pb Source @ 35deg: 133Ba_hi Distance: each Start time: 11:31:47 - 30.05.2021 Stop time: 13:10:14 - 30.05.2021 file name: e127b_run0213.lmd avrg. rate: 700Hz dead-time: 6%
Efficiency calibration in ESR after experiment ************************************ GEM1800 @ 90deg (xray1) GEM3000 @ 35deg (xray2) GLP2000 @ 145deg (xray3) ************************************ Detectors: 90 + 145 + 35 Source @ 90deg: 133Ba_lo Source @ 145deg: 133Ba_hi Source @ 35deg: 241Am_hi Distance: each Start time: 13:22:38 - 30.05.2021 Stop time: 14:28:09 - 30.05.2021 file name: e127b_run0214.lmd avrg. rate: 1150Hz dead-time: 8%
Efficiency calibration in ESR after experiment ************************************ GEM1800 @ 90deg (xray1) GEM3000 @ 35deg (xray2) GLP2000 @ 145deg (xray3) ************************************ Detectors: 90 + 35 Source @ 90deg: 133Ba_lo Source @ 35deg: 210Pb Distance: each Start time: 14:46:46 - 30.05.2021 Stop time: 20:11:08 - 30.05.2021 file name: e127b_run0216.lmd avrg. rate: 330Hz dead-time: 3%
The by Jacobus Swartz created table in entry 335 extended by the calibration after the experiment.
For the x-ray detectors, efficiencies have been measured, before and after the experiment was performed. The preliminary results of the determined efficiencies can be seen in the attached plots
Below are the results from the e-cooler voltage offset measurments done by Regina Hess et al. using the voltage divider (VD). --7 MeV-- Sollwert GECEBG1E: 4008.3 V Measured at VD: 3913 V Offset: -95.3 V --6 MeV-- Sollwert GECEBG1E: 3460.5 V Measured at VD: 3364 V Offset: -96.5 V Below are the cooler parameters from ParaModi for our production runs. --7 MeV/u-- UE: 3842.7V IE: 50mA BG1E: 4008.7V BG1E dU: 120V --6 MeV/u-- UE: 3290.833V IE: 50mA BG1E: 3460.4809V BG1E dU: 120V --energy calculation-- as described here -- uncertainty -- for E108b we agreed on 10% maybe further discussion is needed