First Order QED Corrections to the Parity-Violating Asymmetry in Moller Scattering

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We compute a full set of the first order QED corrections to the parity-violating observables in polarized Moeller 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 obtain the complete {Omicron}({alpha}) prescription for relating the experimental asymmetry A{sub LR} to the low-energy value of the weak mixing angle sin{sup 2} {theta}{sub W}. Our results are applicable to the ... continued below

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13 pages

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Zykunov, Vladimir A.; U., /Gomel State Tech.; Suarez, Juan; /Minsk, High Energy Phys. Ctr.; Tweedie, Brock A.; Kolomensky, Yury G. et al. August 15, 2005.

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We compute a full set of the first order QED corrections to the parity-violating observables in polarized Moeller 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 obtain the complete {Omicron}({alpha}) prescription for relating the experimental asymmetry A{sub LR} to the low-energy value of the weak mixing angle sin{sup 2} {theta}{sub W}. Our results are applicable to the recent measurement of A{sub LR} by the SLAC E158 collaboration, as well as to the future parity violation experiments.

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13 pages

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  • Report No.: SLAC-PUB-11378
  • Grant Number: AC02-76SF00515
  • DOI: 10.2172/878789 | External Link
  • Office of Scientific & Technical Information Report Number: 878789
  • Archival Resource Key: ark:/67531/metadc878903

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  • August 15, 2005

Added to The UNT Digital Library

  • Sept. 21, 2016, 2:29 a.m.

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  • Nov. 28, 2016, 4:25 p.m.

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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]. (digital.library.unt.edu/ark:/67531/metadc878903/: accessed October 23, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.