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Entry  Wed May 12 02:34:29 2021, Danyal, General, instabilities in ion frequency fluctuations.jpg
    Reply  Wed May 12 08:10:17 2021, Lars, General, instabilities in ion frequency 
Message ID: 10     Entry time: Wed May 12 08:10:17 2021     In reply to: 8
Author: Lars 
Category: General 
Subject: instabilities in ion frequency  
looks like the E-Cooler is responsible for this. If one turns off the electron current, the beam stays stable. 
M.Steck is informed.

> The ion beam moves around, pretty arbitrary. See picture. 
> ESR crew believes that it is not due to fluctuations in the HV of the E-Cooler.
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