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
He3 tube mounting for attenuation measurements
He3 tube mounted on 2" of virgin poly for attenuation measurements
Full poly box with lid pulled back for easy insertion of Cf-252 source
Top down view of Cf-252 source in place, ready to be covered by top sheet of virgin poly
Full setup with 8.5" of purple borated poly in place


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 600
2 Detector on BorAl at +1250V 255 No 600
3 Detector on BorAl at +1250V 255 No 600
4 Detector on BorAl at +1250V 255 No 600
5 Detector on BorAl at +1250V 255 No 600












CH He3 Attenuation Measurements

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