γZ corrections to forward-angle parity-violating ep scattering
Abstract
We use dispersion relations to evaluate the γZ box contribution to parity-violating electron scattering in the forward limit, taking into account constraints from recent JLab data on electroproduction in the resonance region as well as high energy data from HERA. The correction to the asymmetry is found to be 1.2 +- 0.2% at the kinematics of the JLab Qweak experiment, which is well within the limits required to achieve a 4% measurement of the weak charge of the proton.
- Authors:
-
- Univ. of Manitoba, Winnipeg, MB (Canada); Thomas Jefferson National Accelerator Facility (TJNAF), Newport News, VA (United States)
- Thomas Jefferson National Accelerator Facility (TJNAF), Newport News, VA (United States)
- Univ. of Adelaide, Adelaide, SA (Australia)
- Publication Date:
- Research Org.:
- Thomas Jefferson National Accelerator Facility (TJNAF), Newport News, VA (United States)
- Sponsoring Org.:
- USDOE Office of Science (SC), Nuclear Physics (NP)
- OSTI Identifier:
- 985705
- Report Number(s):
- JLAB-THY-09-1049; DOE/OR/23177-0952
Journal ID: ISSN 1550-7998; PRVDAQ; TRN: US201016%%2099
- Grant/Contract Number:
- AC05-06OR23177
- Resource Type:
- Accepted Manuscript
- Journal Name:
- Physical Review. D, Particles, Fields, Gravitation and Cosmology
- Additional Journal Information:
- Journal Volume: 82; Journal ID: ISSN 1550-7998
- Publisher:
- American Physical Society (APS)
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS; ASYMMETRY; DISPERSION RELATIONS; ELECTRONS; ELECTROPRODUCTION; RESONANCE; SCATTERING
Citation Formats
Alex Sibirtsev, Blunden, Peter G., Melnitchouk, Wally, and Thomas, Anthony W. γZ corrections to forward-angle parity-violating ep scattering. United States: N. p., 2010.
Web. doi:10.1103/PhysRevD.82.013011.
Alex Sibirtsev, Blunden, Peter G., Melnitchouk, Wally, & Thomas, Anthony W. γZ corrections to forward-angle parity-violating ep scattering. United States. https://doi.org/10.1103/PhysRevD.82.013011
Alex Sibirtsev, Blunden, Peter G., Melnitchouk, Wally, and Thomas, Anthony W. Fri .
"γZ corrections to forward-angle parity-violating ep scattering". United States. https://doi.org/10.1103/PhysRevD.82.013011. https://www.osti.gov/servlets/purl/985705.
@article{osti_985705,
title = {γZ corrections to forward-angle parity-violating ep scattering},
author = {Alex Sibirtsev and Blunden, Peter G. and Melnitchouk, Wally and Thomas, Anthony W.},
abstractNote = {We use dispersion relations to evaluate the γZ box contribution to parity-violating electron scattering in the forward limit, taking into account constraints from recent JLab data on electroproduction in the resonance region as well as high energy data from HERA. The correction to the asymmetry is found to be 1.2 +- 0.2% at the kinematics of the JLab Qweak experiment, which is well within the limits required to achieve a 4% measurement of the weak charge of the proton.},
doi = {10.1103/PhysRevD.82.013011},
journal = {Physical Review. D, Particles, Fields, Gravitation and Cosmology},
number = ,
volume = 82,
place = {United States},
year = {Fri Jul 30 00:00:00 EDT 2010},
month = {Fri Jul 30 00:00:00 EDT 2010}
}
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Works referencing / citing this record:
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