PbF2 CrystalNumber18

Below are the resulting transparency measurements for PbF2 block # 18

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:	10:42
beam stop:	12:42

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

@10:43

@11:01

@11:16

@11:31

@11:43

@11:53

@11:53

@12:03

@12:13

@12:23

@12:36

Before: After:

Dose rate measurements (@1255 hours)

[math]\gamma[/math]-radiation	500 uR/hr
[math]\beta[/math]-radiation:	500 uR/hr

Transparency Measurements (@1525 hours)

12/5/07

Transparency measurement (1235)

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:	12:54
beam stop:	14:55

@ 13:05

Dose rate measurements (@1457 hours)

[math]\gamma[/math]-radiation	5 mR/hr
[math]\beta[/math]-radiation:	10 mR/hr

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