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-- DhR - 19 Feb 2009

Beam Alignment and Stability Study



1. Study factors determining reproducibility of CHESS photon beam alignment with respect to CESR orbit measurements and implement corrections and procedures to predict and control beam positions from CESR orbit data. I.e., flat CESR orbit = reproducible CHESS beam positions.

2. Identify sources of instability of CHESS photon beams and present options for remedies with sufficient information to estimate effectiveness and cost in $ and effort.

Members: Stu Peck, Peter Revesz, Dana Richter, Sasha Temnykh
Ex Officio: Ernie Fontes, Dave Rice

Timeline: 3 February 2009 through ~ July 2009

Meeting notes

February 3, 2009 Initial meeting

February 18, 2009 First reports - XBPMs, Thermal effects on quad alignment, SYNRADV s.r. tracking program.

April 1, 2009 Interim reports on monitoring, survey, xbpms

April 15, 2009 Interim reports cont., tunnel temperature effects, monitoring

Next meeting t.b.d.
Topic revision: r4 - 20 Apr 2009, DhR
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