CH PAS He3 BorAl Attenuation Study: Difference between revisions

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=='''Source In '''==
No thermalizer, no borated poly, just BorAl shielding around detector
{| class="wikitable mw-collapsible mw-collapsed" border="2" style="text-align:center;" |cellpadding="20" cellspacing="1
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| '''1250V Source In Data'''||
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|  Run Number || Configuration || Discriminator Threshold (mV) || Cf-252 Source || Counts || Run Time (Sec) || Count Rate (Hz) || Uncertainty
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|  1  || Detector on BorAl at +1250V || 255 || Yes ||  || 60 ||  ||
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|  2  || Detector on BorAl at +1250V || 255 || Yes ||  || 60 ||  ||
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|  3  || Detector on BorAl at +1250V || 255 || Yes ||  || 60 ||  ||
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|  4  || Detector on BorAl at +1250V || 255 || Yes ||  || 60 ||  ||
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|  5  || Detector on BorAl at +1250V || 255 || Yes ||  || 60 ||  ||
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Revision as of 22:06, 25 June 2021

Experimental Setup

Attenuation Measurements Setup
Poly box to contain Cf-252 source for attenuation measurements
[[File:|400px|thumb|none|He3 tube mounting for attenuation measurements ]] [[File: |300px|thumb|none| ]]
[[File:|300px|thumb|none| ]]
Top down view of Cf-252 source in place, ready to be covered by top sheet of virgin poly
[[File: |300px|thumb|none| ]]

Measurements

Background Measurements

1250V Source Out Data
Run Number Configuration Discriminator Threshold (mV) Cf-252 Button Source Counts Run Time (Sec) Count Rate (Hz) Uncertainty
1 Detector on BorAl at +1250V 255 No 60
2 Detector on BorAl at +1250V 255 No 60
3 Detector on BorAl at +1250V 255 No 60
4 Detector on BorAl at +1250V 255 No 60
5 Detector on BorAl at +1250V 255 No 60

Source In

No thermalizer, no borated poly, just BorAl shielding around detector

1250V Source In Data
Run Number Configuration Discriminator Threshold (mV) Cf-252 Source Counts Run Time (Sec) Count Rate (Hz) Uncertainty
1 Detector on BorAl at +1250V 255 Yes 60
2 Detector on BorAl at +1250V 255 Yes 60
3 Detector on BorAl at +1250V 255 Yes 60
4 Detector on BorAl at +1250V 255 Yes 60
5 Detector on BorAl at +1250V 255 Yes 60












CH He3 Attenuation Measurements

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