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Message ID: 185     Entry time: Fri Nov 13 10:26:07 2009
Author: Damien Gallop 
Type:  
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Subject: 17O3+ beam to DRAGON continuing 

Beam and energy changes continued over the weekend. The ICR reports that things are going swimmingly, and that the users are happy. Scaler counts are up some 30% or so from Tuesday. All good. A source and line touch-up Wednesday (Remembrance Day) morning and a tuning effort following an energy change during the day on Wednesday produced strong and stable beam running.

Attached is a stripchart of the last day or so of running. The thick blue trace is the DRAGON scaler. The fine green trace is a source collimator, representative of total beam from the source and its stability. The spikes are periodic Faraday cup readings.

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