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

From New IAC Wiki
Jump to navigation Jump to search
Line 177: Line 177:
 
|}
 
|}
  
 +
=='''Green Poly with Thermalizer'''==
 +
 +
==='''1" Green poly, with thermalizer'''===
 +
 +
{| class="wikitable mw-collapsible mw-collapsed" border="2" style="text-align:center;" |cellpadding="20" cellspacing="1
 +
|-
 +
| '''1250V source in'''||
 +
|-
 +
|  Run Number || Configuration || Discriminator Threshold (mV) || Cf-252 Source || Counts || Run Time (Sec) || Count Rate (Hz) || Uncertainty
 +
|-
 +
|  1  || Detector on poly at +1250V || 255 || Yes ||  || 300 ||  ||
 +
|-
 +
|  2  || Detector on poly at +1250V || 255 || Yes ||  || 300 ||  ||
 +
|-
 +
|  3  || Detector on poly at +1250V || 255 || Yes ||  || 300 ||  ||
 +
|-
 +
|  4  || Detector on poly at +1250V || 255 || Yes ||  || 300 ||  ||
 +
|-
 +
|  5  || Detector on poly at +1250V || 255 || Yes ||  || 300 ||  ||
 +
|-
 +
|}
 +
 +
==='''2" Green poly (one brick) with thermalizer'''===
 +
 +
{| class="wikitable mw-collapsible mw-collapsed" border="2" style="text-align:center;" |cellpadding="20" cellspacing="1
 +
|-
 +
| '''1250V source in'''||
 +
|-
 +
|  Run Number || Configuration || Discriminator Threshold (mV) || Cf-252 Source || Counts || Run Time (Sec) || Count Rate (Hz) || Uncertainty
 +
|-
 +
|  1  || Detector on poly at +1250V || 255 || Yes ||  || 300 ||  ||
 +
|-
 +
|  2  || Detector on poly at +1250V || 255 || Yes ||  || 300 ||  ||
 +
|-
 +
|  3  || Detector on poly at +1250V || 255 || Yes ||  || 300 ||  ||
 +
|-
 +
|  4  || Detector on poly at +1250V || 255 || Yes ||  || 300 ||  ||
 +
|-
 +
|  5  || Detector on poly at +1250V || 255 || Yes ||  || 300 ||  ||
 +
|-
 +
|}
 +
 +
==='''3" Green poly (one brick & sheet) with thermalizer'''===
 +
 +
{| class="wikitable mw-collapsible mw-collapsed" border="2" style="text-align:center;" |cellpadding="20" cellspacing="1
 +
|-
 +
| '''1250V source in'''||
 +
|-
 +
|  Run Number || Configuration || Discriminator Threshold (mV) || Cf-252 Source || Counts || Run Time (Sec) || Count Rate (Hz) || Uncertainty
 +
|-
 +
|  1  || Detector on poly at +1250V || 255 || Yes ||  || 300 ||  ||
 +
|-
 +
|  2  || Detector on poly at +1250V || 255 || Yes ||  || 300 ||  ||
 +
|-
 +
|  3  || Detector on poly at +1250V || 255 || Yes ||  || 300 ||  ||
 +
|-
 +
|  4  || Detector on poly at +1250V || 255 || Yes ||  || 300 ||  ||
 +
|-
 +
|  5  || Detector on poly at +1250V || 255 || Yes ||  || 300 ||  ||
 +
|-
 +
|}
 +
 +
==='''4" Green poly (two bricks) with thermalizer'''===
 +
 +
{| class="wikitable mw-collapsible mw-collapsed" border="2" style="text-align:center;" |cellpadding="20" cellspacing="1
 +
|-
 +
| '''1250V source in'''||
 +
|-
 +
|  Run Number || Configuration || Discriminator Threshold (mV) || Cf-252 Source || Counts || Run Time (Sec) || Count Rate (Hz) || Uncertainty
 +
|-
 +
|  1  || Detector on poly at +1250V || 255 || Yes ||  || 300 ||  ||
 +
|-
 +
|  2  || Detector on poly at +1250V || 255 || Yes ||  || 300 ||  ||
 +
|-
 +
|  3  || Detector on poly at +1250V || 255 || Yes ||  || 300 ||  ||
 +
|-
 +
|  4  || Detector on poly at +1250V || 255 || Yes ||  || 300 ||  ||
 +
|-
 +
|  5  || Detector on poly at +1250V || 255 || Yes ||  || 300 ||  ||
 +
|-
 +
|}
 +
 +
==='''6" Green poly (three bricks) with thermalizer'''===
 +
 +
{| class="wikitable mw-collapsible mw-collapsed" border="2" style="text-align:center;" |cellpadding="20" cellspacing="1
 +
|-
 +
| '''1250V source in'''||
 +
|-
 +
|  Run Number || Configuration || Discriminator Threshold (mV) || Cf-252 Source || Counts || Run Time (Sec) || Count Rate (Hz) || Uncertainty
 +
|-
 +
|  1  || Detector on poly at +1250V || 255 || Yes ||  || 300 ||  ||
 +
|-
 +
|  2  || Detector on poly at +1250V || 255 || Yes ||  || 300 ||  ||
 +
|-
 +
|  3  || Detector on poly at +1250V || 255 || Yes ||  || 300 ||  ||
 +
|-
 +
|  4  || Detector on poly at +1250V || 255 || Yes ||  || 300 ||  ||
 +
|-
 +
|  5  || Detector on poly at +1250V || 255 || Yes ||  || 300 ||  ||
 +
|-
 +
|}
 +
 +
==='''8" Green poly (four bricks) with thermalizer'''===
 +
 +
{| class="wikitable mw-collapsible mw-collapsed" border="2" style="text-align:center;" |cellpadding="20" cellspacing="1
 +
|-
 +
| '''1250V source in'''||
 +
|-
 +
|  Run Number || Configuration || Discriminator Threshold (mV) || Cf-252 Source || Counts || Run Time (Sec) || Count Rate (Hz) || Uncertainty
 +
|-
 +
|  1  || Detector on poly at +1250V || 255 || Yes ||  || 300 ||  ||
 +
|-
 +
|  2  || Detector on poly at +1250V || 255 || Yes ||  || 300 ||  ||
 +
|-
 +
|  3  || Detector on poly at +1250V || 255 || Yes ||  || 300 ||  ||
 +
|-
 +
|  4  || Detector on poly at +1250V || 255 || Yes ||  || 300 ||  ||
 +
|-
 +
|  5  || Detector on poly at +1250V || 255 || Yes ||  || 300 ||  ||
 +
|-
 +
|}
  
  

Revision as of 22:44, 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 231 300
2 Detector on BorAl at +1250V 255 Yes 220 60
3 Detector on BorAl at +1250V 255 Yes 199 60
4 Detector on BorAl at +1250V 255 Yes 60
5 Detector on BorAl at +1250V 255 Yes 60

Green Poly without Thermalizer

1" Green poly, no thermalizer

1250V source in
Run Number Configuration Discriminator Threshold (mV) Cf-252 Source Counts Run Time (Sec) Count Rate (Hz) Uncertainty
1 Detector on poly at +1250V 255 Yes 300
2 Detector on poly at +1250V 255 Yes 300
3 Detector on poly at +1250V 255 Yes 300
4 Detector on poly at +1250V 255 Yes 300
5 Detector on poly at +1250V 255 Yes 300

2" Green poly (one brick) no thermalizer

1250V source in
Run Number Configuration Discriminator Threshold (mV) Cf-252 Source Counts Run Time (Sec) Count Rate (Hz) Uncertainty
1 Detector on poly at +1250V 255 Yes 300
2 Detector on poly at +1250V 255 Yes 300
3 Detector on poly at +1250V 255 Yes 300
4 Detector on poly at +1250V 255 Yes 300
5 Detector on poly at +1250V 255 Yes 300

3" Green poly (one brick & sheet) no thermalizer

1250V source in
Run Number Configuration Discriminator Threshold (mV) Cf-252 Source Counts Run Time (Sec) Count Rate (Hz) Uncertainty
1 Detector on poly at +1250V 255 Yes 300
2 Detector on poly at +1250V 255 Yes 300
3 Detector on poly at +1250V 255 Yes 300
4 Detector on poly at +1250V 255 Yes 300
5 Detector on poly at +1250V 255 Yes 300

4" Green poly (two bricks) no thermalizer

1250V source in
Run Number Configuration Discriminator Threshold (mV) Cf-252 Source Counts Run Time (Sec) Count Rate (Hz) Uncertainty
1 Detector on poly at +1250V 255 Yes 300
2 Detector on poly at +1250V 255 Yes 300
3 Detector on poly at +1250V 255 Yes 300
4 Detector on poly at +1250V 255 Yes 300
5 Detector on poly at +1250V 255 Yes 300

6" Green poly (three bricks) no thermalizer

1250V source in
Run Number Configuration Discriminator Threshold (mV) Cf-252 Source Counts Run Time (Sec) Count Rate (Hz) Uncertainty
1 Detector on poly at +1250V 255 Yes 300
2 Detector on poly at +1250V 255 Yes 300
3 Detector on poly at +1250V 255 Yes 300
4 Detector on poly at +1250V 255 Yes 300
5 Detector on poly at +1250V 255 Yes 300

8" Green poly (four bricks) no thermalizer

1250V source in
Run Number Configuration Discriminator Threshold (mV) Cf-252 Source Counts Run Time (Sec) Count Rate (Hz) Uncertainty
1 Detector on poly at +1250V 255 Yes 300
2 Detector on poly at +1250V 255 Yes 300
3 Detector on poly at +1250V 255 Yes 300
4 Detector on poly at +1250V 255 Yes 300
5 Detector on poly at +1250V 255 Yes 300

Green Poly with Thermalizer

1" Green poly, with thermalizer

1250V source in
Run Number Configuration Discriminator Threshold (mV) Cf-252 Source Counts Run Time (Sec) Count Rate (Hz) Uncertainty
1 Detector on poly at +1250V 255 Yes 300
2 Detector on poly at +1250V 255 Yes 300
3 Detector on poly at +1250V 255 Yes 300
4 Detector on poly at +1250V 255 Yes 300
5 Detector on poly at +1250V 255 Yes 300

2" Green poly (one brick) with thermalizer

1250V source in
Run Number Configuration Discriminator Threshold (mV) Cf-252 Source Counts Run Time (Sec) Count Rate (Hz) Uncertainty
1 Detector on poly at +1250V 255 Yes 300
2 Detector on poly at +1250V 255 Yes 300
3 Detector on poly at +1250V 255 Yes 300
4 Detector on poly at +1250V 255 Yes 300
5 Detector on poly at +1250V 255 Yes 300

3" Green poly (one brick & sheet) with thermalizer

1250V source in
Run Number Configuration Discriminator Threshold (mV) Cf-252 Source Counts Run Time (Sec) Count Rate (Hz) Uncertainty
1 Detector on poly at +1250V 255 Yes 300
2 Detector on poly at +1250V 255 Yes 300
3 Detector on poly at +1250V 255 Yes 300
4 Detector on poly at +1250V 255 Yes 300
5 Detector on poly at +1250V 255 Yes 300

4" Green poly (two bricks) with thermalizer

1250V source in
Run Number Configuration Discriminator Threshold (mV) Cf-252 Source Counts Run Time (Sec) Count Rate (Hz) Uncertainty
1 Detector on poly at +1250V 255 Yes 300
2 Detector on poly at +1250V 255 Yes 300
3 Detector on poly at +1250V 255 Yes 300
4 Detector on poly at +1250V 255 Yes 300
5 Detector on poly at +1250V 255 Yes 300

6" Green poly (three bricks) with thermalizer

1250V source in
Run Number Configuration Discriminator Threshold (mV) Cf-252 Source Counts Run Time (Sec) Count Rate (Hz) Uncertainty
1 Detector on poly at +1250V 255 Yes 300
2 Detector on poly at +1250V 255 Yes 300
3 Detector on poly at +1250V 255 Yes 300
4 Detector on poly at +1250V 255 Yes 300
5 Detector on poly at +1250V 255 Yes 300

8" Green poly (four bricks) with thermalizer

1250V source in
Run Number Configuration Discriminator Threshold (mV) Cf-252 Source Counts Run Time (Sec) Count Rate (Hz) Uncertainty
1 Detector on poly at +1250V 255 Yes 300
2 Detector on poly at +1250V 255 Yes 300
3 Detector on poly at +1250V 255 Yes 300
4 Detector on poly at +1250V 255 Yes 300
5 Detector on poly at +1250V 255 Yes 300











CH He3 Attenuation Measurements

Retrieved from "https://wiki.iac.isu.edu/index.php?title=CH_PAS_He3_BorAl_Attenuation_Study&oldid=127203"