CH He3 Attenuation Measurements Revisited

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

He3 Tube Plateau

Measurements

700V Source Out Data
Run Number	Configuration	Discriminator Threshold (mV)	Cs-137 Button Source	Counts	Run Time (Sec)	Count Rate (Hz)
1	Unshielded detector at +700V	05	No	958	60	15.97
2	Unshielded detector at +700V	15	No	278	60	4.63
3	Unshielded detector at +700V	35	No	107	60	1.78
4	Unshielded detector at +700V	55	No	85	60	1.42
5	Unshielded detector at +700V	75	No	80	60	1.33
6	Unshielded detector at +700V	95	No	80	60	1.33
7	Unshielded detector at +700V	115	No	75	60	1.25
8	Unshielded detector at +700V	135	No	78	60	1.3
9	Unshielded detector at +700V	155	No	82	60	1.37
10	Unshielded detector at +700V	175	No	77	60	1.28
11	Unshielded detector at +700V	195	No	66	60	1.1
12	Unshielded detector at +700V	215	No	68	60	1.13
13	Unshielded detector at +700V	235	No	53	60	0.88
14	Unshielded detector at +700V	255	No	59	60	0.98

700V Source In Data
Run Number	Configuration	Discriminator Threshold (mV)	Cs-137 Button Source	Counts	Run Time (Sec)	Count Rate (Hz)
1	Unshielded detector at +700V	05	Yes	1033	60
2	Unshielded detector at +700V	15	Yes	291	60
3	Unshielded detector at +700V	35	Yes	102	60
4	Unshielded detector at +700V	55	Yes	87	60
5	Unshielded detector at +700V	75	Yes	88	60
6	Unshielded detector at +700V	95	Yes	103	60
7	Unshielded detector at +700V	115	Yes	101	60
8	Unshielded detector at +700V	135	Yes	84	60
9	Unshielded detector at +700V	155	Yes	72	60
10	Unshielded detector at +700V	175	Yes	57	60
11	Unshielded detector at +700V	195	Yes	72	60
12	Unshielded detector at +700V	215	Yes	68	60
13	Unshielded detector at +700V	235	Yes	74	60
14	Unshielded detector at +700V	255	Yes	52	60

700V Plots
Plateau measurements at 700V, source in and source out overlaid.	Plateau measurements at 700V, source in minus source out.	Signal to Noise ratio for 700V at different discriminator voltages

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

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

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CaGaS Phase II