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SLAC-PUB-11378 hep-ph/0507287 July 25, 2005 First Order QED Corrections to the Parity-Violating Asymmetry in Moller Scattering Vladimir A. Zykunov, Juan Suarez, Brock A. Tweedie, and Yury G. Kolomensky July 25, 2005 Abstract We compute a full set of the first order QED corrections to the parity-violating observables in polar- ized Msller scattering. We employ a covariant method of removing infrared divergences, computing corrections without introducing any unphysical parameters. When applied to the kinematics of the SLAC E158 experiment, the QED corrections reduce the parity violating asymmetry by 4.5%. We combine our results with the previous calculations of the first-order electroweak corrections and ob- tain the complete 0(a) prescription for relating the experimental asymmetry ALR to the low-energy value of the weak mixing angle sin2e O. Our results are applicable to the recent measurement of ALR by the SLAC E158 collaboration, as well as to the future parity violation experiments.
Submitted to Physical Review D Stanford Linear Accelerator Center, Stanford University, Stanford, CA 94309 Work supported in part by Department of Energy contract DE-AC02-76SF00515
Zykunov, Vladimir A.; U., /Gomel State Tech.; Suarez, Juan; /Minsk, High Energy Phys. Ctr.; Tweedie, Brock A.; Kolomensky, Yury G. et al.First Order QED Corrections to the Parity-Violating Asymmetry in Moller Scattering,
report,
August 15, 2005;
[Menlo Park, California].
(https://digital.library.unt.edu/ark:/67531/metadc878903/m1/1/:
accessed April 16, 2024),
University of North Texas Libraries, UNT Digital Library, https://digital.library.unt.edu;
crediting UNT Libraries Government Documents Department.
