Meeting Notes: (Nov 30, 2011 by Dean Still)
Attending: Still, Annala,Convery,Morgan,Drendel,Sondgeroth,Mokhov,Tariq,Leveling,Popovic.
Agenda:
1) Presentation: Suumary of Present g-2 target Design and Issues Dean Still
Dean reported a summary of the 5 current g-2 target presentations from Mokhov, Yoshikawa, Leveling and Popovic on g-2 target topics as well as two topics of replacement of pgma with a cmag and the issue of the current dump has a water leak. Reported there are 2 options for target design. Option 1 invovles using the current antiproton setup "as is" with the modifications coming to optimize target lens focal length, lens design with a possible upgrade to miniboone horn suggested by Mokhov, replacement of the pmag to a cmag and the issue of how to address the water leak on the dump. There is concern about the g-2 rep rate on the pulsed devices and testing and analysis is needed. Option 2 which was the focus of Popovics presentation is to replace the pulsed devices with DC quads that are rad hard and that employ quad steering to provide the 3 degree of bend to the AP2 line. This a simpiler design similar to BNL E-821.
Dean discussed the g-2 booster to recycler pulse scenario and inital POT for different modes and what is meant by reasonable production of pi + from the target.
A layout of work to be done for topics of simulation, lens testing, cmag specification, dump specification and more definition work for option 2 was presented with waring that time for CD-0 is approaching in March 2012.
Discussion are presentation included topics of complexity in designing and building a larger diameter lens. Mohkov reminded all that one good option for a lens replacement is the horn used for miniboone. This will be looked at further.
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