Difference between revisions of "PbF2 CrystalNumber16"

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|beam start: || 15:39
 
|beam start: || 15:39
 
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|-
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|beam stop: ||
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|beam stop: || 16:39
 
|}
 
|}
  
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Pick-up Coil Pulse Recording of PbF2 crystal at z=30cm
+
;Pick-up Coil Pulse Recording (PbF2 crystal at z=30cm away)
  
−
O-scope pulse was recorded on the pick-up coil with dimensions in inches and the intensity measured in Volt <math>\times</math> ns
+
O-scope pulses were recorded on the pick-up coil with dimensions in inches and the intensity measured in Volt <math>\times</math> ns
  
−
[[Image:PbF2_Crystal_16_Z-30cm.jpg | 200 px]]
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@16:00
 +
[[Image:PbF2_Crystal_16_Z-30cm_4pm.jpg | 200 px]]
  
 +
@16:05
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[[Image:PbF2_Crystal_16_Z-30cm_405pm.jpg | 200 px]]
  
−
[[Image:PbF2_FineeScan_Z-15cm.jpg | 200 px]]
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@16:10
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[[Image:PbF2_Crystal_16_Z-30cm_410pm.jpg | 200 px]]
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 +
@16:15
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[[Image:PbF2_Crystal_16_Z-30cm_415pm.jpg | 200 px]]
 +
 
 +
@16:20
 +
[[Image:PbF2_Crystal_16_Z-30cm_420pm.jpg | 200 px]]
 +
 
 +
@16:25
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[[Image:PbF2_Crystal_16_Z-30cm_425pm.jpg | 200 px]]
 +
 
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@16:30
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[[Image:PbF2_Crystal_16_Z-30cm_430pm.jpg | 200 px]]
 +
 
 +
@16:39
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[[Image:PbF2_Crystal_16_Z-30cm_439pm.jpg | 200 px]]
 +
 
 +
;Dose rate measurements (@1643 hours)
 +
{| border="1"
 +
| <math>\gamma</math>-radiation || 3.5 mR/hr
 +
|-
 +
| <math>\beta</math>-radiation: || 12 mR/hr
 +
|}
 +
;Dose rate measurements (@1532 hours)
 +
{| border="1"
 +
| <math>\gamma</math>-radiation || 3 mR/hr
 +
|-
 +
| <math>\beta</math>-radiation: || 7 mR/hr
 +
|}
  
 
=12/4/07=
 
=12/4/07=
 +
 +
Transparency measurements (@0957 hours)
 +
 +
[[Image:Block16.JPG | 500 px]] [[Image:Block1690deg.JPG | 500 px]]
 +
 +
Under Blue light for 19 hours before next irradiation.
  
 
=12/5/07=
 
=12/5/07=
  
  
−
[http://iac.isu.edu/mediawiki/index.php/IAC_LeadFlourideCherenkovCrystalTests Go Back]
+
;Accelerator Settings
 +
{| border="1"
 +
| beam energy || 20 MeV
 +
|-
 +
| Rep Rate: ||  30 Hz
 +
|-
 +
| I_peak:     || 60 mA/pulse
 +
|-
 +
| pulse width:|| 0.1 <math>\mu</math>s (100 ns)
 +
|-
 +
|beam start: || 08:38
 +
|-
 +
|beam stop: ||  10:38
 +
|}
 +
 
 +
;Pick-up Coil Pulse Recording (PbF2 crystal at z=30cm away)
 +
 
 +
O-scope pulses were recorded on the pick-up coil with dimensions in inches and the intensity measured in Volt <math>\times</math> ns
 +
 
 +
@8:57 [[Image:Pulseb16857.JPG | 200 px]]
 +
 
 +
@9:07 [[Image:Pulseb16907.JPG | 200 px]]
 +
 
 +
@9:17 [[Image:Pulseb16917.JPG | 200 px]]
 +
 
 +
@9:27 [[Image:Pulseb16927.JPG | 200 px]]
 +
 
 +
@9:37 [[Image:Pulseb16937.JPG | 200 px]]
 +
 
 +
@9:47 [[Image:Pulseb16947.JPG | 200 px]]
 +
 
 +
@9:57 [[Image:Pulseb16957.JPG | 200 px]]
 +
 
 +
@10:07 [[Image:Pulseb161007.JPG | 200 px]]
 +
 
 +
@10:17 [[Image:Pulseb161017.JPG | 200 px]]
 +
 
 +
@10:27 [[Image:Pulseb161027.JPG | 200 px]]
 +
 
 +
 
 +
;Dose rate measurements (@1040 hours)
 +
{| border="1"
 +
| <math>\gamma</math>-radiation || 2 mR/hr
 +
|-
 +
| <math>\beta</math>-radiation: || 3 mR/hr
 +
|}
 +
 
 +
 
 +
After: [[Image:DSCF1565.JPG | 500 px]]  
 +
Just after 2nd irradiation (2 hours).  Light brown color (translucent).

Latest revision as of 01:44, 7 December 2007

Below are the resulting transparency measurements for PbF2 block # 16

12/3/07

Accelerator Settings
beam energy 20 MeV
Rep Rate: 30 Hz
I_peak: 60 mA/pulse
pulse width: 0.1 [math]\mu[/math]s (100 ns)
beam start: 15:39
beam stop: 16:39
Pick-up Coil Pulse Recording (PbF2 crystal at z=30cm away)

O-scope pulses were recorded on the pick-up coil with dimensions in inches and the intensity measured in Volt [math]\times[/math] ns

@16:00 PbF2 Crystal 16 Z-30cm 4pm.jpg

@16:05 PbF2 Crystal 16 Z-30cm 405pm.jpg

@16:10 PbF2 Crystal 16 Z-30cm 410pm.jpg

@16:15 PbF2 Crystal 16 Z-30cm 415pm.jpg

@16:20 PbF2 Crystal 16 Z-30cm 420pm.jpg

@16:25 PbF2 Crystal 16 Z-30cm 425pm.jpg

@16:30 PbF2 Crystal 16 Z-30cm 430pm.jpg

@16:39 PbF2 Crystal 16 Z-30cm 439pm.jpg

Dose rate measurements (@1643 hours)
[math]\gamma[/math]-radiation 3.5 mR/hr
[math]\beta[/math]-radiation: 12 mR/hr
Dose rate measurements (@1532 hours)
[math]\gamma[/math]-radiation 3 mR/hr
[math]\beta[/math]-radiation: 7 mR/hr

12/4/07

Transparency measurements (@0957 hours)

Block16.JPG Block1690deg.JPG

Under Blue light for 19 hours before next irradiation.

12/5/07

Accelerator Settings
beam energy 20 MeV
Rep Rate: 30 Hz
I_peak: 60 mA/pulse
pulse width: 0.1 [math]\mu[/math]s (100 ns)
beam start: 08:38
beam stop: 10:38
Pick-up Coil Pulse Recording (PbF2 crystal at z=30cm away)

O-scope pulses were recorded on the pick-up coil with dimensions in inches and the intensity measured in Volt [math]\times[/math] ns

@8:57 Pulseb16857.JPG

@9:07 Pulseb16907.JPG

@9:17 Pulseb16917.JPG

@9:27 Pulseb16927.JPG

@9:37 Pulseb16937.JPG

@9:47 Pulseb16947.JPG

@9:57 Pulseb16957.JPG

@10:07 Pulseb161007.JPG

@10:17 Pulseb161017.JPG

@10:27 Pulseb161027.JPG


Dose rate measurements (@1040 hours)
[math]\gamma[/math]-radiation 2 mR/hr
[math]\beta[/math]-radiation: 3 mR/hr


After: DSCF1565.JPG Just after 2nd irradiation (2 hours). Light brown color (translucent).

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