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Message ID: 32     Entry time: Sat May 10 23:30:37 2025
Author: Rodolfo 
Category: Accelerator 
Subject: Ion Pumps at the target section 
The ion pumps (E02VP16i and E02VP17i) which nearby the optical detection region produce high count rate into the photomultipiers. Therefore they were turned off on May 5th by our colleague from UHV (Herr Mia). He checked the vacuum before (EIN) and after (AUS) turning off the pumps.
Attachment 1: Vakuum_IOP_EIN_2025-05-05.png  339 kB  Uploaded Sun May 11 00:40:01 2025  | Hide | Hide all
Vakuum_IOP_EIN_2025-05-05.png
Attachment 2: Vakuum_IOP_AUS_2025-05-05.png  229 kB  Uploaded Sun May 11 00:40:27 2025  | Hide | Hide all
Vakuum_IOP_AUS_2025-05-05.png
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