Difference between revisions of "Cf252 NaI detector test. 12 Apr 2012"

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NaI detector, -1030V, 300 mV threshold on gate channel, signal ADC4
 
NaI detector, -1030V, 300 mV threshold on gate channel, signal ADC4
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{| border="1" cellspacing="0" style="text-align: center; width: 1000px "
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! scope="col" width="8%" | Run #
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! scope="col" width="8%" | Beam
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! scope="col" width="8%" | Dump magnet
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! scope="col" width="8%" | Collimator
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! scope="col" width="8%" | Radiator 10 um Al
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! scope="col" width="8%" | Target
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! scope="col" width="80%" | Comments
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|-
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|2359||Centered||In ||Open ||Out||No
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|align="left"|Test radiator in/out.
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R(upstream) = 157/40244 = 0.0039 e+/pulse,<br> R(downstream) = 183/40244 = 0.0045 e+/pulse
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|-
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|2360||Centered||In ||Open ||Centered||No
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|align="left"|Test radiator in/out.
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R(upstream) = 898/40244 = 0.0223 e+/pulse,<br> R(downstream) = 1040/40244 = 0.0258 e+/pulse<br>
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<span style="color:red">About 83% of photons are coming from the radiator. Good</span>
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|-
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|}

Revision as of 17:46, 12 April 2012

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NaI detector, -1030V, 300 mV threshold on gate channel, signal ADC4


Run # Beam Dump magnet Collimator Radiator 10 um Al Target Comments
2359 Centered In Open Out No Test radiator in/out.

R(upstream) = 157/40244 = 0.0039 e+/pulse,
R(downstream) = 183/40244 = 0.0045 e+/pulse

2360 Centered In Open Centered No Test radiator in/out.

R(upstream) = 898/40244 = 0.0223 e+/pulse,
R(downstream) = 1040/40244 = 0.0258 e+/pulse
About 83% of photons are coming from the radiator. Good