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| | https://wiki.iac.isu.edu/index.php/File:NaI_Cs137_4-22-21.png | | https://wiki.iac.isu.edu/index.php/File:NaI_Cs137_4-22-21.png |
| − |
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| − | =data 4/26/21=
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| − |
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| − |
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| − | {| border="1" |cellpadding="20" cellspacing="0
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| − | |-
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| − | | Run Number || configuration
| |
| − | |-
| |
| − | | 6819 || Cs-137 source at location of Cf-252, no Cf-252 or Cd target in apparatus
| |
| − | |-
| |
| − | | 6820 || start time: 16:04:33 04/26/2021 Cs-137 out, Cd in , Cf-252 out. NaI at closest possible. stop time: 16:08:34 (241 seconds)
| |
| − | |-
| |
| − | | 6821 || start time: 16:11:49 04/26/2021 Cs-137 out, Cd in , Cf-252 in , Poly thermalizer 1/2" in. NaI at closest possible. stop time: 16:22:52 (663 sec)
| |
| − | |-
| |
| − | | 6822 || start time: 16:23:54 04/26/2021 Cs-137 out, Cd in , Cf-252 out , Poly thermalizer 1/2" in. NaI at closest possible. stop time:16:34:38 (673 sec)
| |
| − | |-
| |
| − | | 6823 || start time: 16:35:44 04/26/2021 Cs-137 out, Cd out , Cf-252 out , Poly thermalizer 1/2" in. NaI at closest possible. stop time:16:46
| |
| − | |-
| |
| − | | 6824 || start time: 16:35:44 04/26/2021 Cf-252 in , Poly thermalizer 1/2" in. ,Cd in sandwhich , NaI at closest possible. stop time:16:46
| |
| − | |-
| |
| − | | 6825 || start time: 16:53:55 04/26/2021 Cf-252 in 6 in away, 1" lead, , Poly thermalizer 1/2" in. ,Cd in sandwhich , NaI at closest possible. stop time:16:54:58
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| − | |-
| |
| − | | 6826 || start time: 16:57:39 04/26/2021 Cf-252 in 6 in away, 2" lead, , Poly thermalizer 1/2" in. ,Cd in sandwhich , NaI at closest possible. stop time:16:58:49
| |
| − | |-
| |
| − | | 6827 || start time: 16:59:13 04/26/2021 Cf-252 in 6 in away, 2" lead, , Poly thermalizer 1/2" in. ,Cd OUT sandwhich , NaI at closest possible. stop time:17:00:15
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| − | |-
| |
| − | |}
| |
| − |
| |
| − | =data 5/3/21=
| |
| − |
| |
| − | Set up:
| |
| − | * Lead: Detector surrounded on 4 sides by 1" lead. Front end up to 4" of lead. Back end exposed.
| |
| − | * Poly: Up to 40cm of green poly between lead and source (line-of-sight). No poly elsewhere.
| |
| − |
| |
| − |
| |
| − | {| border="1" |cellpadding="20" cellspacing="0
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| − | |-
| |
| − | | Run Number || configuration
| |
| − | |-
| |
| − | | 6829 || 05/03/2021, No source, 40cm poly, 4" lead.
| |
| − |
| |
| − | start time: 13:10:43, end time: 13:17:55, duration: 432 s, counts=10164
| |
| − |
| |
| − | counts/sec: 23.528
| |
| − | |-
| |
| − | | 6830 || 05/03/2021, Source at 52cm from detector face, 40cm poly, 4" lead.
| |
| − |
| |
| − | start time: 13:20:11, end time: 13:27:21, duration: 430 s, counts=10459
| |
| − |
| |
| − | counts/sec: 24.323
| |
| − | |-
| |
| − | | 6831 || 05/03/2021, Source at 52cm from detector face, 35cm poly, 4" lead.
| |
| − |
| |
| − | start time: 14:08:49, end time: 14:16:17, duration: 448 s, counts=11007
| |
| − |
| |
| − | counts/sec: 24.569
| |
| − | |-
| |
| − | | 6832 || 05/03/2021, Source at 52cm from detector face, 30cm poly, 4" lead.
| |
| − |
| |
| − | start time: 14:17:28, end time: 14:24:21, duration: 413 s, counts=10128
| |
| − |
| |
| − | counts/sec: 24.523
| |
| − | |-
| |
| − | | 6833 || 05/03/2021, Source at 52cm from detector face, 25cm poly, 4" lead.
| |
| − |
| |
| − | start time: 14:25:48, end time: 14:32:37, duration: 409 s, counts=10112
| |
| − |
| |
| − | counts/sec: 24.723
| |
| − | |-
| |
| − | | 6834 || 05/03/2021, Source at 52cm from detector face, 20cm poly, 4" lead.
| |
| − |
| |
| − | start time: 14:34:10, end time: 14:41:01, duration: 411 s, counts=10210
| |
| − |
| |
| − | counts/sec: 24.841
| |
| − | |-
| |
| − | | 6835 || 05/03/2021, Source at 52cm from detector face, 15cm poly, 4" lead.
| |
| − |
| |
| − | start time: 14:42:11, end time: 14:48:59, duration: 408 s, counts=10181
| |
| − |
| |
| − | counts/sec: 24.953
| |
| − | |-
| |
| − | | 6836 || 05/03/2021, Source at 52cm from detector face, 10cm poly, 4" lead.
| |
| − |
| |
| − | start time: 14:49:59, end time: 14:56:45, duration: 406 s, counts=10344
| |
| − |
| |
| − | counts/sec: 25.478
| |
| − | |-
| |
| − | | 6837 || 05/03/2021, Source at 52cm from detector face, 5cm poly, 4" lead.
| |
| − |
| |
| − | start time: 14:57:52, end time: 15:04:39, duration: 407 s, counts=10890
| |
| − |
| |
| − | counts/sec: 26.757
| |
| − | |-
| |
| − | | 6838 || 05/03/2021, Source at 52cm from detector face, 0cm poly, 4" lead.
| |
| − |
| |
| − | start time: 15:05:46, end time: 15:12:49, duration: 423 s, counts=12380
| |
| − |
| |
| − | counts/sec: 29.267
| |
| − | |-
| |
| − | | 6839 || 05/03/2021, Source at 52cm from detector face, 0cm poly, 3" lead.
| |
| − |
| |
| − | start time: 15:15:28, end time: 15:21:07, duration: 339 s, counts=10267
| |
| − |
| |
| − | counts/sec: 30.286
| |
| − | |-
| |
| − | | 6840 || 05/03/2021, Source at 52cm from detector face, 0cm poly, 2" lead.
| |
| − |
| |
| − | start time: 15:22:29, end time: 15:28:02, duration: 333 s, counts=11390
| |
| − |
| |
| − | counts/sec: 34.204
| |
| − | |-
| |
| − | | 6841 || 05/03/2021, Source at 52cm from detector face, 0cm poly, 1" lead.
| |
| − |
| |
| − | start time: 15:30:15, end time: 15:33:44, duration: 209 s, counts=10311
| |
| − |
| |
| − | counts/sec: 49.335
| |
| − | |-
| |
| − | | 6842 || 05/03/2021, Source at 52cm from detector face, 0cm poly, 0" lead.
| |
| − |
| |
| − | start time: 15:35:55, end time: 15:36:28, duration: 33 s, counts=21640
| |
| − |
| |
| − | counts/sec: 655.76
| |
| − | |-
| |
| − | |}
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| | | | |
| | | | |
| | [[https://wiki.iac.isu.edu/index.php/Main_Page]] | | [[https://wiki.iac.isu.edu/index.php/Main_Page]] |
Main_Page
UNCL_DAQ
Attenuation_Measurements
Logbook
NaI detector setup
Creating ROOT data files
source ~/CODA/2.6.2/setup
source src/root/root-5.34.00/bin/thisroot.csh
/home/daq/CODA/CODAreader/ROOT_V5.34/PAA/evio2nt -fr6815.dat > /dev/null
Analyzing ROOT data file
root -l r8735.root
to draw a histogram for Peak ADC channel 4
PAA->Draw("PADC.PADC785N[4]>>(4096,0,4096)")
To scale the histogram using an energy calibration of 0.45 keV/channel
PAA->Draw("PADC.PADC785N[4]*0.45>>(4096,0,4096)")
To save thehistogram under the name Cs137
PAA->Draw("PADC.PADC785N[4]*0.45>>Cs137(4096,0,4096)")
To normalize the histogram by a run time of 2600 seconds
1/3600=0.0002778
Cs137->Scale(0.0002778)
Cs137->Draw();
run 6816 background (~300Hz)
1/47 = 0.021277
run 6817 signal (~600 Hz)
1/75 =0.013333
https://wiki.iac.isu.edu/index.php/File:NaI_Cs137_4-22-21.png
[[1]]
