Difference between revisions of "PbF2 CrystalNumber39"
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|beam start: || 10:45 | |beam start: || 10:45 | ||
|- | |- | ||
| − | |beam stop: || | + | |beam stop: || 12:45 |
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@12:20 [[Image:Pulseb391220.JPG | 200 px]] | @12:20 [[Image:Pulseb391220.JPG | 200 px]] | ||
| − | @12: | + | @12:30 [[Image:Pulseb391230.JPG | 200 px]] |
| − | @12: | + | @12:40 [[Image:Pulseb391240.JPG | 200 px]] |
| − | ;Dose rate measurements (@ hours) | + | ;Dose rate measurements (@ 1247 hours) |
{| border="1" | {| border="1" | ||
| − | | <math>\gamma</math>-radiation || mR/hr | + | | <math>\gamma</math>-radiation || 4.5 mR/hr |
|- | |- | ||
| − | | <math>\beta</math>-radiation: || mR/hr | + | | <math>\beta</math>-radiation: || 12 mR/hr |
|} | |} | ||
Latest revision as of 19:55, 5 December 2007
Below are the resulting transparency measurements for PbF2 block # 39
12/4/07
- Accelerator Settings
| beam energy | 20 MeV |
| Rep Rate: | 30 Hz |
| I_peak: | 60 mA/pulse |
| pulse width: | 0.1 s (100 ns) |
| beam start: | 8:30 |
| beam stop: | 10:30 |
- 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
@8:53 
@9:04 
@9:17 
@9:29 
@9:45 
@9:55 
@10:16 
Before: 
After: 
- Dose rate measurements (@1039 hours)
| -radiation | 7.5 mR/hr |
| -radiation: | 15 mR/hr |
- Transparency Measurements (@1400 hours)
- Transparency Measurements (@1515 hours)
12/5/07
Under blue light for 19 hours before next transparency measurement.
- Transparency Measurement (1030 hours)
- Accelerator Settings
| beam energy | 20 MeV |
| Rep Rate: | 30 Hz |
| I_peak: | 60 mA/pulse |
| pulse width: | 0.1 s (100 ns) |
| beam start: | 10:45 |
| beam stop: | 12:45 |
- 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
@11:00 
@11:10 
@11:20 
@11:30 
@11:40 
@11:50 
@12:00 
@12:10 
@12:20 
@12:30 
@12:40 
- Dose rate measurements (@ 1247 hours)
| -radiation | 4.5 mR/hr |
| -radiation: | 12 mR/hr |