CH PAS He3 BorAl Attenuation Study

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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












CH He3 Attenuation Measurements