Proton Calorimetry/Experimental Runs/2017/September7 - Revision history

AnastasiaFreshville at 15:56, 19 September 2017

2017-09-19T15:56:28Z

← Older revision		Revision as of 15:56, 19 September 2017
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	Beam tests of the Nuvia 10 mm, 4 mm and 3 mm scintillator sheets with PRaVDA CMOS pixel sensors (PRIAPUS) at the Birmingham Cyclotron with a 28 MeV beam.		Beam tests of the Nuvia 10 mm, 4 mm and 3 mm scintillator sheets with PRaVDA CMOS pixel sensors (PRIAPUS) at the Birmingham Cyclotron with a 28 MeV beam.

			__TOC__

	== Pre-data Taking Information and Notes ==		== Pre-data Taking Information and Notes ==

AnastasiaFreshville at 15:55, 19 September 2017

2017-09-19T15:55:41Z

@@ Line 74: / Line 74: @@
 |-
 |Beam direction || N/A || N/A || N/A ||
-*Measure the direction of the beam relative to the screen by shining a laser on the sensor
+*Measure the direction of the beam relative to the screen by shining a laser on the sensor to make sure we understand the Bragg Peak that we see
 *Saturation of the sensor
 || Laser_beam_direction
@@ Line 112: / Line 112: @@
 *The maximum current before saturation is ~ 20 pA
 *Repeat tests with 3 scintillator plates at this current
-*Alignment: 3C [gap] 3B [gap] 3A [gap] <--- BEAM
+*Alignment: 3C [gap] 3B [gap] 3A <--- BEAM
 || 28MeV_3mmscint_ABC_spread_20pA_1cmC
 |-

AnastasiaFreshville at 13:59, 19 September 2017

2017-09-19T13:59:46Z

← Older revision		Revision as of 13:59, 19 September 2017
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	<div align="center"> (where the arrow represents the direction of the beam) </div>		<div align="center"> (where the arrow represents the direction of the beam) </div>
	\|\| Laser_beam_direction_cover		\|\| Laser_beam_direction_cover
			\|-
			\|Beam \|\| 10 pA \|\| 4 mm and 3 mm \|\| 3A 4A \|\|
			*Alignment: 4A [gap] 3A <--- BEAM
			*Lights were left on for this run. Data not useable!
			\|\| 28MeV_3mmA_4mmA_spread_10pA_1cmC
			\|-
			\|Beam \|\| 10 pA \|\| 4 mm and 3 mm \|\| 3A 4A \|\| Lights off this time! \|\| 28MeV_3mmA_4mmA_spread_10pA_1cmC_2
			\|-
			\|Beam \|\| 10 pA \|\| 4 mm and 3 mm \|\| 3A 4A \|\| Repeat measurement for reproducibility \|\| 28MeV_3mmA_4mmA_spread_10pA_1cmC_3
			\|-
			\|Beam \|\| 10 pA \|\| 3 mm and 4 mm \|\| 4A 3A \|\|
			*Scintillator plates switched around
			*Alignment" 3A [gap] 4A <--- BEAM
			\|\| 28MeV_4mmA_3mmA_spread_10pA_1cmC
			\|-
			\|Beam \|\| 20 pA \|\| 3 mm and 4 mm \|\| 4A 3A \|\|
			*Continue with this configuration and increase current until we get to the maximum current that won't saturate the sensors
			*First, double the current
			\|\| 28MeV_4mmA_3mmA_spread_20pA_1cmC
			\|-
			\|Beam \|\| 25 pA \|\| 3 mm and 4 mm \|\| 4A 3A \|\|
			*Increase current to 25 pA
			*Possible saturation of sensors
			\|\| 28MeV_4mmA_3mmA_spread_25pA_1cmC
			\|-
			\|Beam \|\| 20 pA \|\| 3 x 3 mm \|\| ABC \|\|
			*The maximum current before saturation is ~ 20 pA
			*Repeat tests with 3 scintillator plates at this current
			*Alignment: 3C [gap] 3B [gap] 3A [gap] <--- BEAM
			\|\| 28MeV_3mmscint_ABC_spread_20pA_1cmC
			\|-

AnastasiaFreshville at 13:46, 19 September 2017

2017-09-19T13:46:40Z

← Older revision		Revision as of 13:46, 19 September 2017
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	\|\| 28MeV_3mmscint_ABC_spread_10pA_1cmC		\|\| 28MeV_3mmscint_ABC_spread_10pA_1cmC
	\|-		\|-
			\|Beam \|\| 10 pA \|\| 3 x 3 mm \|\| ABC \|\| Lights off this time! \|\| 28MeV_3mmscint_ABC_spread_10pA_1cmC_2
			\|-
			\|Beam \|\| 10 pA \|\| 3 x 3 mm \|\| ABC \|\| Repeat measurement for reproducibility \|\| 28MeV_3mmscint_ABC_spread_10pA_1cmC_3
			\|-
			\|Beam direction \|\| N/A \|\| N/A \|\| N/A \|\|
			*Measure the direction of the beam relative to the screen by shining a laser on the sensor
			*Saturation of the sensor
			\|\| Laser_beam_direction
			\|-
			\|Beam direction \|\| N/A \|\| N/A \|\| N/A \|\|
			*Cover some of the sensor not to saturate it
			*Beam direction determined to be (for the top panel display):
			<div align="center"> SCREEN <--- BEAM </div>
			<div align="center"> (where the arrow represents the direction of the beam) </div>
			\|\| Laser_beam_direction_cover

AnastasiaFreshville at 13:28, 19 September 2017

2017-09-19T13:28:16Z

@@ Line 8: / Line 8: @@
 *From previous measurements, the average background value per pixel is ~ 700.
 *The data was recorded at '''45 frames/second'''.
 *The working directory on the PRIAPUS computer where the data is stored is:
@@ Line 53: / Line 65: @@
 <br />
 </div>
-||
+*This setup remains in place until mentioned otherwise

AnastasiaFreshville at 12:19, 19 September 2017

2017-09-19T12:19:26Z

← Older revision		Revision as of 12:19, 19 September 2017
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	\| Background \|\| N/A \|\| 3 x 3 mm \|\| ABC \|\|		\| Background \|\| N/A \|\| 3 x 3 mm \|\| ABC \|\|
	*Background ADC count slightly higher than usual		*Background ADC count slightly higher than usual
	*Tiles are grouped together in a tight formation (until mentioned otherwise)
	~~\|\| Background_1~~
	\|-
	~~\| Beam \|\| 1 nA \|\| 3 x 3 mm \|\| ABC \|\|~~
	*Saturation of sensor, ADC values at 14,000
	*Tiles are grouped together in a tight formation (until mentioned otherwise)		*Tiles are grouped together in a tight formation (until mentioned otherwise)
	<div class="image400px" style="text-align: center;">		<div class="image400px" style="text-align: center;">
Line 38:		Line 33:
	<br />		<br />
	</div>		</div>
	\|\| 28MeV_3mmscint_ABC_1nA_1cmC		\|\| Background_1
			\|-
			\| Beam \|\| 1 nA \|\| 3 x 3 mm \|\| ABC \|\| Saturation of sensor, ADC values at 14,000 \|\| 28MeV_3mmscint_ABC_1nA_1cmC
	\|-		\|-
	\|Beam \|\| 0.1 nA \|\| 3 x 3 mm \|\| ABC \|\|		\|Beam \|\| 0.1 nA \|\| 3 x 3 mm \|\| ABC \|\|

AnastasiaFreshville at 12:11, 19 September 2017

2017-09-19T12:11:29Z

← Older revision		Revision as of 12:11, 19 September 2017
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	*Saturation of sensor, ADC values at 14,000		*Saturation of sensor, ADC values at 14,000
	*Tiles are grouped together in a tight formation (until mentioned otherwise)		*Tiles are grouped together in a tight formation (until mentioned otherwise)
			<div class="image400px" style="text-align: center;">
			[http://www.hep.ucl.ac.uk/pbt/wikiData/images/Birmingham_sept2017/tight_scintillators.jpg http://www.hep.ucl.ac.uk/pbt/wikiData/images/Birmingham_sept2017/tight_scintillators.jpg]
			<br />
			</div>
	\|\| 28MeV_3mmscint_ABC_1nA_1cmC		\|\| 28MeV_3mmscint_ABC_1nA_1cmC
	\|-		\|-
Line 48:		Line 52:
	*Due to gap between the sensor and the scintillators there is an overlap in the light collected by the sensor and no separation of the scintillators can be seen		*Due to gap between the sensor and the scintillators there is an overlap in the light collected by the sensor and no separation of the scintillators can be seen
	*In order to see some separation, place the scintillators with a gap of ~ 1-2 cm between each sheet		*In order to see some separation, place the scintillators with a gap of ~ 1-2 cm between each sheet
	<div class="~~image200px~~" style="text-align: center;">		<div class="image400px" style="text-align: center;">
	[http://www.hep.ucl.ac.uk/pbt/wikiData/images/Birmingham_sept2017/spread_out_scintillators.jpg http://www.hep.ucl.ac.uk/pbt/wikiData/images/Birmingham_sept2017/spread_out_scintillators.jpg]		[http://www.hep.ucl.ac.uk/pbt/wikiData/images/Birmingham_sept2017/spread_out_scintillators.jpg http://www.hep.ucl.ac.uk/pbt/wikiData/images/Birmingham_sept2017/spread_out_scintillators.jpg]
	<br />		<br />
	</div>		</div>
	\|\|		\|\|

AnastasiaFreshville at 12:06, 19 September 2017

2017-09-19T12:06:20Z

← Older revision		Revision as of 12:06, 19 September 2017
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	*Due to gap between the sensor and the scintillators there is an overlap in the light collected by the sensor and no separation of the scintillators can be seen		*Due to gap between the sensor and the scintillators there is an overlap in the light collected by the sensor and no separation of the scintillators can be seen
	*In order to see some separation, place the scintillators with a gap of ~ 1-2 cm between each sheet		*In order to see some separation, place the scintillators with a gap of ~ 1-2 cm between each sheet
	<div class="~~image400px~~" style="text-align: center;">		<div class="image200px" style="text-align: center;">
	[http://www.hep.ucl.ac.uk/pbt/wikiData/images/Birmingham_sept2017/spread_out_scintillators.jpg http://www.hep.ucl.ac.uk/pbt/wikiData/images/Birmingham_sept2017/spread_out_scintillators.jpg]		[http://www.hep.ucl.ac.uk/pbt/wikiData/images/Birmingham_sept2017/spread_out_scintillators.jpg http://www.hep.ucl.ac.uk/pbt/wikiData/images/Birmingham_sept2017/spread_out_scintillators.jpg]
	<br />		<br />
	</div>		</div>
	\|\|		\|\|

AnastasiaFreshville at 12:05, 19 September 2017

2017-09-19T12:05:45Z

← Older revision		Revision as of 12:05, 19 September 2017
Line 48:		Line 48:
	*Due to gap between the sensor and the scintillators there is an overlap in the light collected by the sensor and no separation of the scintillators can be seen		*Due to gap between the sensor and the scintillators there is an overlap in the light collected by the sensor and no separation of the scintillators can be seen
	*In order to see some separation, place the scintillators with a gap of ~ 1-2 cm between each sheet		*In order to see some separation, place the scintillators with a gap of ~ 1-2 cm between each sheet
	<div class="~~image150px~~" style="text-align: center;">		<div class="image400px" style="text-align: center;">
	[http://www.hep.ucl.ac.uk/pbt/wikiData/images/Birmingham_sept2017/spread_out_scintillators.jpg http://www.hep.ucl.ac.uk/pbt/wikiData/images/Birmingham_sept2017/spread_out_scintillators.jpg]		[http://www.hep.ucl.ac.uk/pbt/wikiData/images/Birmingham_sept2017/spread_out_scintillators.jpg http://www.hep.ucl.ac.uk/pbt/wikiData/images/Birmingham_sept2017/spread_out_scintillators.jpg]
	<br />		<br />
	</div>		</div>
	\|\|		\|\|

SimonJolly at 12:04, 19 September 2017

2017-09-19T12:04:37Z

← Older revision		Revision as of 12:04, 19 September 2017
Line 48:		Line 48:
	*Due to gap between the sensor and the scintillators there is an overlap in the light collected by the sensor and no separation of the scintillators can be seen		*Due to gap between the sensor and the scintillators there is an overlap in the light collected by the sensor and no separation of the scintillators can be seen
	*In order to see some separation, place the scintillators with a gap of ~ 1-2 cm between each sheet		*In order to see some separation, place the scintillators with a gap of ~ 1-2 cm between each sheet
	<div class="~~image1050px~~" style="text-align: center;">		<div class="image150px" style="text-align: center;">
	[http://www.hep.ucl.ac.uk/pbt/wikiData/images/Birmingham_sept2017/spread_out_scintillators.jpg http://www.hep.ucl.ac.uk/pbt/wikiData/images/Birmingham_sept2017/spread_out_scintillators.jpg]		[http://www.hep.ucl.ac.uk/pbt/wikiData/images/Birmingham_sept2017/spread_out_scintillators.jpg http://www.hep.ucl.ac.uk/pbt/wikiData/images/Birmingham_sept2017/spread_out_scintillators.jpg]
	<br />		<br />
	</div>		</div>
	\|\|		\|\|