PbF2 CrystalNumber39

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 [math]\mu[/math]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 [math]\times[/math] ns

@8:53

@9:04

@9:17

@9:29

@9:45

@9:55

@10:16

Before: After:

Dose rate measurements (@1039 hours)

[math]\gamma[/math]-radiation	7.5 mR/hr
[math]\beta[/math]-radiation:	15 mR/hr

12/5/07

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