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Recent STAR results on W production and asymmetry in polarized [arrow over p] + [arrow over p] collisions at √r = 500 GeV

Author(s)
Corliss, Ross Cameron
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Article is made available in accordance with the publisher's policy and may be subject to US copyright law. Please refer to the publisher's site for terms of use.

Alternative title
Recent STAR results on W production and asymmetry in polarized p→+p→ collisions at √r = 500 GeV
Terms of use
Article is made available in accordance with the publisher's policy and may be subject to US copyright law. Please refer to the publisher's site for terms of use.
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Abstract
The production of W± bosons in longitudinally polarized proton + proton collisions at RHIC is a unique way to study the flavor-dependent spin structure of the proton, since at leading order it couples directly and exclusively to specific quark flavor pairings: u + [bar over d] → W[superscript +] and [bar over u] + d → W[superscript -]. Measurement of the longitudinal single-spin asymmetry of the electron decay daughters in W production is sensitive to the polarizations of the quarks involved. Results from the first proton-proton collisions at √r = 500 GeV in 2009 are presented, along with a discussion of the forward-rapidity tracking upgrade.
Date issued
2014-01
URI
http://hdl.handle.net/1721.1/104962
Department
Massachusetts Institute of Technology. Laboratory for Nuclear Science
Journal
Physics of Particles and Nuclei
Publisher
Springer US
Citation
STAR Collaboration, and Ross Corliss. “Recent STAR Results on W Production and Asymmetry in Polarized $$\vec P + \vec P$$ Collisions at √r = 500 GeV.” Physics of Particles and Nuclei 45.1 (2014): 70–72.
Version: Author's final manuscript
ISSN
1063-7796
1531-8559

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