Difference between revisions of "PbF2 CrystalNumber16"
		
		
		
		
		
		Jump to navigation
		Jump to search
		
				
		
		
	
| (21 intermediate revisions by the same user not shown) | |||
| Line 16: | Line 16: | ||
| |} | |} | ||
| − | ;Pick-up Coil Pulse Recording (PbF2 crystal at z=30cm) | + | ;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 | O-scope pulses were recorded on the pick-up coil with dimensions in inches and the intensity measured in Volt <math>\times</math> ns | ||
| Line 43: | Line 43: | ||
| @16:39 | @16:39 | ||
| [[Image:PbF2_Crystal_16_Z-30cm_439pm.jpg | 200 px]] | [[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= | ||
| − | + | ;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 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
- 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
- Dose rate measurements (@1040 hours)
| -radiation | 2 mR/hr | 
| -radiation: | 3 mR/hr | 
After:  
Just after 2nd irradiation (2 hours).  Light brown color (translucent).







