Constrained {gamma}Z correction to parity-violating electron scattering

Conference · Fri Nov 01 00:00:00 EDT 2013 · AIP Conf. Proc.

DOI:https://doi.org/10.1063/1.4829383· OSTI ID:1108403

Hall, Nathan Luk ^[1]; Blunden, Peter Gwithian ^[2]; Melnitchouk, Wally ^[3]; Thomas, Anthony W. ^[1]; Young, Ross D. ^[1]

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1. Adelaide U.
2. Manitoba U.
3. JLAB

We update the calculation of {gamma}Z interference corrections to the weak charge of the proton. We show how constraints from parton distributions, together with new data on parity-violating electron scattering in the resonance region, significantly reduce the uncertainties on the corrections compared to previous estimates.

• Research Organization: Thomas Jefferson National Accelerator Facility (TJNAF), Newport News, VA (United States)
• Sponsoring Organization: USDOE Office of Science (SC)
• DOE Contract Number: AC05-06OR23177
• OSTI ID: 1108403
• Report Number(s): JLAB-THY-13-1822; DOE/OR/23177-2912
• Journal Information: AIP Conf. Proc., Vol. 1563; Conference: Workshop to explore physics opportunities with intense, polarized electron beams at 50-300 MeV, 14?16 March 2013, Cambridge, Massachusetts
• Country of Publication: United States
• Language: English

Related Subjects

72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS