Please use this identifier to cite or link to this item: https://hdl.handle.net/2440/58065
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Type: Journal article
Title: Parton charge symmetry violation: electromagnetic effects and W production asymmetries
Author: Londergan, J.
Murdock, D.
Thomas, A.
Citation: Physical Review D: Particles, Fields, Gravitation and Cosmology, 2006; 73(7):076004-1-076004-5
Publisher: American Physical Soc
Issue Date: 2006
ISSN: 1550-7998
1550-2368
Statement of
Responsibility: 
J.T. Londergan, D.P. Murdock and A.W. Thomas
Abstract: Recent phenomenological work has examined two different ways of including charge symmetry violation in parton distribution functions. First, a global phenomenological fit to high energy data has included charge symmetry breaking terms, leading to limits on the magnitude of parton charge symmetry breaking. In a second approach, two groups have included the coupling of partons to photons in the QCD evolution equations. One possible experiment that could search for isospin violation in parton distributions is a measurement of the asymmetry in W production at a collider. In this work we include both of the postulated sources of parton charge symmetry violation. We show that, given charge symmetry violation of a magnitude consistent with existing high energy data, the expected W production asymmetries would be quite small, generally less than one percent
Rights: ©2006 American Physical Society
DOI: 10.1103/PhysRevD.73.076004
Published version: http://dx.doi.org/10.1103/physrevd.73.076004
Appears in Collections:Aurora harvest
Chemistry and Physics publications

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