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Nuclear hyperfine mixing in 229Th89+ |
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Message ID: 58
Entry time: Fri Apr 1 22:01:14 2022
In reply to: 28
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Author: |
Konstantin |
Category: |
Detectors |
Subject: |
PMT operating voltages |
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> During the testing of the PMTs the following operating voltages were applied:
>
> PMT Cu: -1300V
> PMT Nord: -2500V
> PMT Mitte: -1800V
> PMT Süd: -1800V
>
> Further optimization will be necessary during background measurements.
Currently, PMT Süd shows a strange behavior resulting in after-pulses up to 1µs. Therefore, the high-voltage was reduced to -1500 V.
However, the after-pulses remain. This should be investigated in more detail at some other point. |