Difference between revisions of "CH He3 Attenuation Measurements Revisited"
Line 332: | Line 332: | ||
|} | |} | ||
+ | =='''Measurements'''== | ||
+ | |||
+ | ==='''0" Green Poly'''=== | ||
+ | |||
+ | {| 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 3D printed stands at +1250V || 255 || Yes || || 100 || || | ||
+ | |- | ||
+ | | 2 || Detector on 3D printed stands at +1250V || 255 || Yes || || 100 || || | ||
+ | |- | ||
+ | | 3 || Detector on 3D printed stands at +1250V || 255 || Yes || || 100 || || | ||
+ | |- | ||
+ | | 4 || Detector on 3D printed stands at +1250V || 255 || Yes || || 100 || || | ||
+ | |- | ||
+ | | 5 || Detector on 3D printed stands at +1250V || 255 || Yes || || 100 || || | ||
+ | |- | ||
+ | |} | ||
+ | |||
+ | ==='''1" Green poly'''=== | ||
+ | |||
+ | {| 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 3D printed stands at +1250V || 255 || Yes || || 100 || || | ||
+ | |- | ||
+ | | 2 || Detector on 3D printed stands at +1250V || 255 || Yes || || 100 || || | ||
+ | |- | ||
+ | | 3 || Detector on 3D printed stands at +1250V || 255 || Yes || || 100 || || | ||
+ | |- | ||
+ | | 4 || Detector on 3D printed stands at +1250V || 255 || Yes || || 100 || || | ||
+ | |- | ||
+ | | 5 || Detector on 3D printed stands at +1250V || 255 || Yes || || 100 || || | ||
+ | |- | ||
+ | |} | ||
+ | |||
+ | ==='''2" Green poly (one brick) no 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 3D printed stands at +1250V || 255 || Yes || || 100 || || | ||
+ | |- | ||
+ | | 2 || Detector on 3D printed stands at +1250V || 255 || Yes || || 100 || || | ||
+ | |- | ||
+ | | 3 || Detector on 3D printed stands at +1250V || 255 || Yes || || 100 || || | ||
+ | |- | ||
+ | | 4 || Detector on 3D printed stands at +1250V || 255 || Yes || || 100 || || | ||
+ | |- | ||
+ | | 5 || Detector on 3D printed stands at +1250V || 255 || Yes || || 100 || || | ||
+ | |- | ||
+ | |} | ||
+ | |||
+ | ==='''3" Green poly (one brick & sheet)'''=== | ||
+ | |||
+ | {| 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 3D printed stands at +1250V || 255 || Yes || || 100 || || | ||
+ | |- | ||
+ | | 2 || Detector on 3D printed stands at +1250V || 255 || Yes || || 100 || || | ||
+ | |- | ||
+ | | 3 || Detector on 3D printed stands at +1250V || 255 || Yes || || 100 || || | ||
+ | |- | ||
+ | | 4 || Detector on 3D printed stands at +1250V || 255 || Yes || || 100 || || | ||
+ | |- | ||
+ | | 5 || Detector on 3D printed stands at +1250V || 255 || Yes || || 100 || || | ||
+ | |- | ||
+ | |} | ||
+ | |||
+ | ==='''4" Green poly (two bricks)'''=== | ||
+ | |||
+ | {| 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 3D printed stands at +1250V || 255 || Yes || || 100 || || | ||
+ | |- | ||
+ | | 2 || Detector on 3D printed stands at +1250V || 255 || Yes || || 100 || || | ||
+ | |- | ||
+ | | 3 || Detector on 3D printed stands at +1250V || 255 || Yes || || 100 || || | ||
+ | |- | ||
+ | | 4 || Detector on 3D printed stands at +1250V || 255 || Yes || || 100 || || | ||
+ | |- | ||
+ | | 5 || Detector on 3D printed stands at +1250V || 255 || Yes || || 100 || || | ||
+ | |- | ||
+ | |} | ||
+ | |||
+ | ==='''6" Green poly (three bricks)'''=== | ||
+ | |||
+ | {| 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 3D printed stands at +1250V || 255 || Yes || || 100 || || | ||
+ | |- | ||
+ | | 2 || Detector on 3D printed stands at +1250V || 255 || Yes || || 100 || || | ||
+ | |- | ||
+ | | 3 || Detector on 3D printed stands at +1250V || 255 || Yes || || 100 || || | ||
+ | |- | ||
+ | | 4 || Detector on 3D printed stands at +1250V || 255 || Yes || || 100 || || | ||
+ | |- | ||
+ | | 5 || Detector on 3D printed stands at +1250V || 255 || Yes || || 100 || || | ||
+ | |- | ||
+ | |} | ||
+ | |||
+ | ==='''8" Green poly (four bricks)'''=== | ||
+ | |||
+ | {| 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 3D printed stands at +1250V || 255 || Yes || || 100 || || | ||
+ | |- | ||
+ | | 2 || Detector on 3D printed stands at +1250V || 255 || Yes || || 100 || || | ||
+ | |- | ||
+ | | 3 || Detector on 3D printed stands at +1250V || 255 || Yes || || 100 || || | ||
+ | |- | ||
+ | | 4 || Detector on 3D printed stands at +1250V || 255 || Yes || || 100 || || | ||
+ | |- | ||
+ | | 5 || Detector on 3D printed stands at +1250V || 255 || Yes || || 100 || || | ||
+ | |- | ||
+ | |} | ||
Revision as of 23:02, 23 February 2022
Experimental Setup
Polyethylene Structure
This section to include type of poly, location, source-detector distance, images, etc
Detector
Include images, model/serial number of detector, physical parameters, etc
Electronics Chain
Include schematic of electronics chain
He3 Tube Plateau
Measurements
1250V Source Out Data | ||||||
Run Number | Configuration | Discriminator Threshold (mV) | Cf-252 Source | Counts | Run Time (Sec) | Count Rate (Hz) |
1 | Detector on 3D printed stands at +1250V | 125 | No | 100 | ||
2 | Detector on 3D printed stands at +1250V | 145 | No | 100 | ||
3 | Detector on 3D printed stands at +1250V | 155 | No | 100 | ||
4 | Detector on 3D printed stands at +1250V | 160 | No | 100 | ||
5 | Detector on 3D printed stands at +1250V | 165 | No | 100 | ||
6 | Detector on 3D printed stands at +1250V | 170 | No | 100 | ||
7 | Detector on 3D printed stands at +1250V | 175 | No | 100 | ||
8 | Detector on 3D printed stands at +1250V | 185 | No | 100 | ||
9 | Detector on 3D printed stands at +1250V | 205 | No | 100 | ||
10 | Detector on 3D printed stands at +1250V | 225 | No | 100 | ||
11 | Detector on 3D printed stands at +1250V | 245 | No | 100 | ||
12 | Detector on 3D printed stands at +1250V | 255 | No | 100 |
1250V Source In Data | ||||||
Run Number | Configuration | Discriminator Threshold (mV) | Cf-252 Source | Counts | Run Time (Sec) | Count Rate (Hz) |
1 | Detector on 3D printed stands at +1250V | 125 | Yes | 100 | ||
2 | Detector on 3D printed stands at +1250V | 145 | Yes | 100 | ||
3 | Detector on 3D printed stands at +1250V | 155 | Yes | 100 | ||
4 | Detector on 3D printed stands at +1250V | 160 | Yes | 100 | ||
5 | Detector on 3D printed stands at +1250V | 165 | Yes | 100 | ||
6 | Detector on 3D printed stands at +1250V | 170 | Yes | 100 | ||
7 | Detector on 3D printed stands at +1250V | 175 | Yes | 100 | ||
8 | Detector on 3D printed stands at +1250V | 185 | Yes | 100 | ||
9 | Detector on 3D printed stands at +1250V | 205 | Yes | 100 | ||
10 | Detector on 3D printed stands at +1250V | 225 | Yes | 100 | ||
11 | Detector on 3D printed stands at +1250V | 245 | Yes | 100 | ||
12 | Detector on 3D printed stands at +1250V | 255 | Yes | 100 |
Plateau Plots | ||
Repeat of Initial Experimental Setup
Experimental Setup
Polyethylene Structure
This section to include type of poly, location, source-detector distance, images, etc
Detector
Include images, model/serial number of detector, physical parameters, etc
Electronics Chain
Include schematic of electronics chain
Components
Each component of electronics chain with make/model, function, and brief description of why it's present
Measurements
1" Green poly
1250V source in | |||||||
Run Number | Configuration | Discriminator Threshold (mV) | Cf-252 Source | Counts | Run Time (Sec) | Count Rate (Hz) | Uncertainty |
1 | Detector on 3D printed stands at +1250V | 255 | Yes | 100 | |||
2 | Detector on 3D printed stands at +1250V | 255 | Yes | 100 | |||
3 | Detector on 3D printed stands at +1250V | 255 | Yes | 100 | |||
4 | Detector on 3D printed stands at +1250V | 255 | Yes | 100 | |||
5 | Detector on 3D printed stands at +1250V | 255 | Yes | 100 |
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 3D printed stands at +1250V | 255 | Yes | 100 | |||
2 | Detector on 3D printed stands at +1250V | 255 | Yes | 100 | |||
3 | Detector on 3D printed stands at +1250V | 255 | Yes | 100 | |||
4 | Detector on 3D printed stands at +1250V | 255 | Yes | 100 | |||
5 | Detector on 3D printed stands at +1250V | 255 | Yes | 100 |
3" Green poly (one brick & sheet)
1250V source in | |||||||
Run Number | Configuration | Discriminator Threshold (mV) | Cf-252 Source | Counts | Run Time (Sec) | Count Rate (Hz) | Uncertainty |
1 | Detector on 3D printed stands at +1250V | 255 | Yes | 100 | |||
2 | Detector on 3D printed stands at +1250V | 255 | Yes | 100 | |||
3 | Detector on 3D printed stands at +1250V | 255 | Yes | 100 | |||
4 | Detector on 3D printed stands at +1250V | 255 | Yes | 100 | |||
5 | Detector on 3D printed stands at +1250V | 255 | Yes | 100 |
4" Green poly (two bricks)
1250V source in | |||||||
Run Number | Configuration | Discriminator Threshold (mV) | Cf-252 Source | Counts | Run Time (Sec) | Count Rate (Hz) | Uncertainty |
1 | Detector on 3D printed stands at +1250V | 255 | Yes | 100 | |||
2 | Detector on 3D printed stands at +1250V | 255 | Yes | 100 | |||
3 | Detector on 3D printed stands at +1250V | 255 | Yes | 100 | |||
4 | Detector on 3D printed stands at +1250V | 255 | Yes | 100 | |||
5 | Detector on 3D printed stands at +1250V | 255 | Yes | 100 |
6" Green poly (three bricks)
1250V source in | |||||||
Run Number | Configuration | Discriminator Threshold (mV) | Cf-252 Source | Counts | Run Time (Sec) | Count Rate (Hz) | Uncertainty |
1 | Detector on 3D printed stands at +1250V | 255 | Yes | 100 | |||
2 | Detector on 3D printed stands at +1250V | 255 | Yes | 100 | |||
3 | Detector on 3D printed stands at +1250V | 255 | Yes | 100 | |||
4 | Detector on 3D printed stands at +1250V | 255 | Yes | 100 | |||
5 | Detector on 3D printed stands at +1250V | 255 | Yes | 100 |
8" Green poly (four bricks)
1250V source in | |||||||
Run Number | Configuration | Discriminator Threshold (mV) | Cf-252 Source | Counts | Run Time (Sec) | Count Rate (Hz) | Uncertainty |
1 | Detector on 3D printed stands at +1250V | 255 | Yes | 100 | |||
2 | Detector on 3D printed stands at +1250V | 255 | Yes | 100 | |||
3 | Detector on 3D printed stands at +1250V | 255 | Yes | 100 | |||
4 | Detector on 3D printed stands at +1250V | 255 | Yes | 100 | |||
5 | Detector on 3D printed stands at +1250V | 255 | Yes | 100 |
Attenuation Experiment using HPGe Lynx System as PSU/DAQ
Experimental Setup
Polyethylene Structure
This section to include type of poly, location, source-detector distance, images, etc
Detector
Include images, model/serial number of detector, physical parameters, etc
Electronics Chain
Include schematic of electronics chain
Components
Each component of electronics chain with make/model, function, and brief description of why it's present
Measurements
Attenuation Experiment using New Modules in Electronics Chain
Experimental Setup
Polyethylene Structure
This section to include type of poly, location, source-detector distance, images, etc
Detector
Include images, model/serial number of detector, physical parameters, etc
Electronics Chain
Include schematic of electronics chain
Components
Each component of electronics chain with make/model, function, and brief description of why it's present
Lecroy Discriminator Model 821
- 255mV threshold
- Pulse width as measured on scope: 20ns
Ortec Spec Amp Model 672
- 10x Course Gain
- 1x Fine Gain
- 2us Shaping Time
- Uni Shaping: Gaussian
- Input: Norm (-)
- Output: Unipolar
Dual Timer
- Discriminator output used to start timer
- Timer output used to trigger scalar
- Pulse width as measured on scope: 100ns
Scope Images
Background Measurements
1250V Background Measurements | |||||||
Run Number | Configuration | Discriminator Threshold (mV) | Cf-252 Source | Counts | Run Time (Sec) | Count Rate (Hz) | Uncertainty |
1 | Detector on poly at +1250V | 255 | No | 63 | 100 | ||
2 | Detector on poly at +1250V | 255 | No | 52 | 100 | ||
3 | Detector on poly at +1250V | 255 | No | 65 | 100 | ||
4 | Detector on poly at +1250V | 255 | No | 53 | 100 | ||
5 | Detector on poly at +1250V | 255 | No | 70 | 100 |
Measurements
0" Green Poly
1250V source in | |||||||
Run Number | Configuration | Discriminator Threshold (mV) | Cf-252 Source | Counts | Run Time (Sec) | Count Rate (Hz) | Uncertainty |
1 | Detector on 3D printed stands at +1250V | 255 | Yes | 100 | |||
2 | Detector on 3D printed stands at +1250V | 255 | Yes | 100 | |||
3 | Detector on 3D printed stands at +1250V | 255 | Yes | 100 | |||
4 | Detector on 3D printed stands at +1250V | 255 | Yes | 100 | |||
5 | Detector on 3D printed stands at +1250V | 255 | Yes | 100 |
1" Green poly
1250V source in | |||||||
Run Number | Configuration | Discriminator Threshold (mV) | Cf-252 Source | Counts | Run Time (Sec) | Count Rate (Hz) | Uncertainty |
1 | Detector on 3D printed stands at +1250V | 255 | Yes | 100 | |||
2 | Detector on 3D printed stands at +1250V | 255 | Yes | 100 | |||
3 | Detector on 3D printed stands at +1250V | 255 | Yes | 100 | |||
4 | Detector on 3D printed stands at +1250V | 255 | Yes | 100 | |||
5 | Detector on 3D printed stands at +1250V | 255 | Yes | 100 |
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 3D printed stands at +1250V | 255 | Yes | 100 | |||
2 | Detector on 3D printed stands at +1250V | 255 | Yes | 100 | |||
3 | Detector on 3D printed stands at +1250V | 255 | Yes | 100 | |||
4 | Detector on 3D printed stands at +1250V | 255 | Yes | 100 | |||
5 | Detector on 3D printed stands at +1250V | 255 | Yes | 100 |
3" Green poly (one brick & sheet)
1250V source in | |||||||
Run Number | Configuration | Discriminator Threshold (mV) | Cf-252 Source | Counts | Run Time (Sec) | Count Rate (Hz) | Uncertainty |
1 | Detector on 3D printed stands at +1250V | 255 | Yes | 100 | |||
2 | Detector on 3D printed stands at +1250V | 255 | Yes | 100 | |||
3 | Detector on 3D printed stands at +1250V | 255 | Yes | 100 | |||
4 | Detector on 3D printed stands at +1250V | 255 | Yes | 100 | |||
5 | Detector on 3D printed stands at +1250V | 255 | Yes | 100 |
4" Green poly (two bricks)
1250V source in | |||||||
Run Number | Configuration | Discriminator Threshold (mV) | Cf-252 Source | Counts | Run Time (Sec) | Count Rate (Hz) | Uncertainty |
1 | Detector on 3D printed stands at +1250V | 255 | Yes | 100 | |||
2 | Detector on 3D printed stands at +1250V | 255 | Yes | 100 | |||
3 | Detector on 3D printed stands at +1250V | 255 | Yes | 100 | |||
4 | Detector on 3D printed stands at +1250V | 255 | Yes | 100 | |||
5 | Detector on 3D printed stands at +1250V | 255 | Yes | 100 |
6" Green poly (three bricks)
1250V source in | |||||||
Run Number | Configuration | Discriminator Threshold (mV) | Cf-252 Source | Counts | Run Time (Sec) | Count Rate (Hz) | Uncertainty |
1 | Detector on 3D printed stands at +1250V | 255 | Yes | 100 | |||
2 | Detector on 3D printed stands at +1250V | 255 | Yes | 100 | |||
3 | Detector on 3D printed stands at +1250V | 255 | Yes | 100 | |||
4 | Detector on 3D printed stands at +1250V | 255 | Yes | 100 | |||
5 | Detector on 3D printed stands at +1250V | 255 | Yes | 100 |
8" Green poly (four bricks)
1250V source in | |||||||
Run Number | Configuration | Discriminator Threshold (mV) | Cf-252 Source | Counts | Run Time (Sec) | Count Rate (Hz) | Uncertainty |
1 | Detector on 3D printed stands at +1250V | 255 | Yes | 100 | |||
2 | Detector on 3D printed stands at +1250V | 255 | Yes | 100 | |||
3 | Detector on 3D printed stands at +1250V | 255 | Yes | 100 | |||
4 | Detector on 3D printed stands at +1250V | 255 | Yes | 100 | |||
5 | Detector on 3D printed stands at +1250V | 255 | Yes | 100 |