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E0052_2025
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| LIBELLE 2025 |
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Message ID: 33
Entry time: Sun May 11 03:10:41 2025
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| Author: |
Konstantin, Simon |
| Category: |
Detectors |
| Subject: |
Bunched beam on PMT |
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We checked again the time-resolved signal on the PMTs and after several minutes of accumulation we saw a the bunch shapes on PMT mid (att. 1 right) and also a tiny indication on PMT north (att. 1 left).
On the particle detector, the bunches are clearly visible (att. 2).
To improve the signal we turned on the nitrogen supply of the PMTs in order to reduce the photon absorption by air. This was indeed a game changer in order to identify bunches (att. 3) |
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