Tuesday, March 9, 2010, 11:00 am — Small Seminar Room, Bldg. 510
The RHIC 2009 500 GeV run achieved yet another milestone for the Brookhaven collider because for the first time $W^{\pm}$ production was observed in polarized p+p collisions. The status of the data analysis from the PHENIX detector will be shown, from an integrated luminosity of approximately 9.3 pb^{-1}. The W^{\pm} signal is observed through its leptonic decay to e^{\pm} in the PHENIX central arms, which cover $|\eta|<0.35$. W production from polarized proton beams is a novel probe of the spin and flavor structure of the proton. The proton beams had a longitudinal polarization of approximately 39%, and progress on extracting the electron single spin asymmetries $A_L$ will be reported.
Hosted by: Carla Vale
6242 | INT/EXT | Events Calendar
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