Research Papers in Physics and Astronomy

 

Date of this Version

1-18-2008

Comments

Published by American Physical Society. Phys. Rev. D 77, 011106(R) (2008). http://prd.aps.org. Copyright © 2008 American Physical Society. Used by permission.

Abstract

We present a measurement of the muon charge asymmetry from W boson decays using 0.3 fb-1 of data collected at √s = 1.96 GeV between 2002 and 2004 with the D0 detector at the Fermilab Tevatron pp̅ Collider. We compare our findings with expectations from next-to-leading-order calculations performed using the CTEQ6.1M and MRST04 NLO parton distribution functions. Our findings can be used to constrain future parton distribution function fits.

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