Difference between revisions of "PbF2 CrystalNumber16"
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=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= | ||
| Line 74: | Line 80: | ||
|beam start: || 08:38 | |beam start: || 08:38 | ||
|- | |- | ||
| − | |beam stop: || | + | |beam stop: || 10:38 |
|} | |} | ||
| Line 90: | Line 96: | ||
@9:37 [[Image:Pulseb16937.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 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 ns
@16:00
@16:05
@16:10
@16:15
@16:20
@16:25
@16:30
@16:39
- Dose rate measurements (@1643 hours)
| -radiation | 3.5 mR/hr |
| -radiation: | 12 mR/hr |
- Dose rate measurements (@1532 hours)
| -radiation | 3 mR/hr |
| -radiation: | 7 mR/hr |
12/4/07
Transparency measurements (@0957 hours)
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 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 ns
@8:57 
@9:07 
@9:17 
@9:27 
@9:37 
@9:47 
@9:57 
@10:07 
@10:17 
@10:27 
- Dose rate measurements (@1040 hours)
| -radiation | 2 mR/hr |
| -radiation: | 3 mR/hr |
After: 
Just after 2nd irradiation (2 hours). Light brown color (translucent).