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| − | * '''Telephone meeting April 3, 2007''' [''Elke's notes'']<p> Sergey will be at Jefferson lab 30.04-07 - 01.05.07, we will have a meeting on April 30th with Franz coming to JLAB and Richard and ? joining by video. Sergey will provide electronic versions of the drawing before this meeting to allow all people enough time to look to them and make remarks.</p><p> In general the drawing follow the design from Jim Kellie and G. Yang. Special care should be taken to avoid stress on the vacuum chamber and o-rings. Franz will provide a list of hot topics on the design discussed in the past. Richard will provide Sergey where to find all the relevant information on the wiki. We will have a tagger-email list, which will have the list of people above pre-registered please tell your students or postdocs or .. to register so all the information is archived and all people are always informed.</p>
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| − | * '''Discussion and questions regarding the Serpukov tagger design drawings''' <p> ''Franz Klein'': The design effort should address the following areas of concern.
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| − | *# Field and trajectory changes due to small misalignment of the magnets: this was answered in detail by Yang's simulation.
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| − | *# Stress on vacuum chamber with 2 big magnets attached (relative motion of energized magnets and evacuated chamber).
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| − | *# Sealing the large vacuum chamber at the contact with the magnets: large o-rings.</p>
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