Difference between revisions of "CH PAS He3 BorAl Attenuation Study"

From New IAC Wiki
Jump to navigation Jump to search
Line 32: Line 32:
 
|-
 
|-
 
|}
 
|}
 +
 +
=='''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
 +
|-
 +
| '''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 ||  ||
 +
|-
 +
|}
 +
  
  

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