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Related papers: Radiative Corrections and Z'

200 papers

The study of ep-scattering at LEP x LHC offers an interesting opportunity to search for additional heavy neutral gauge bosons. We study the influence of radiative corrections, especially of the potentially large QED contributions, to the…

High Energy Physics - Phenomenology · Physics 2007-05-23 J. Bluemlein , A. Leike , T. Riemann

Radiative corrections to the parity-violating asymmetry measured in elastic electron-proton scattering are analyzed in the framework of the Standard Model. We include the complete set of one-loop contributions to one quark current…

Nuclear Theory · Physics 2007-05-23 S. Barkanova , A. Aleksejevs , P. G. Blunden

We present a comprehensive analysis of gamma-Z interference corrections to the weak charge of the proton measured in parity-violating electron scattering, including a survey of existing models and a critical analysis of their uncertainties.…

Nuclear Theory · Physics 2013-08-09 N. L. Hall , P. G. Blunden , W. Melnitchouk , A. W. Thomas , R. D. Young

Parity violating left-right scattering asymmetries at future high energy e+e- and e-e- colliders are examined. The utility of two polarized beams for precision measurements is pointed out. Sensitivity to ``new'' short-distance physics is…

High Energy Physics - Phenomenology · Physics 2011-04-15 Andrzej Czarnecki , William J. Marciano

The general expressions for parity violation observables in elastic scattering of polarized and/or unpolarized electrons from unpolarized deuterons are given and are numerically evaluated for the kinematics of SAMPLE, PVA4 and G0…

Nuclear Theory · Physics 2015-05-13 S. Ahmad , S. K. Singh , H. Arenhoevel

We compute the corrections from two-photon and photon-Z exchange in parity-violating elastic electron-proton scattering, used to extract the strange form factors of the proton. We use a hadronic formalism that successfully reconciled the…

Nuclear Theory · Physics 2014-11-18 J. A. Tjon , W. Melnitchouk

I review recent progress and developments in parity-violating electron scattering as it bears on three topics: strange quarks and hadron structure, electroweak radiative corrections, and physics beyond the Standard Model. I also discuss…

Nuclear Theory · Physics 2009-11-11 M. J. Ramsey-Musolf

The cross-section for ZZ->ZZ with arbitrarily polarized Z bosons is calculated within the electroweak Standard Model including the complete O(alpha) corrections. We show the numerical importance of the radiative corrections and elaborate…

High Energy Physics - Phenomenology · Physics 2008-11-26 A. Denner , S. Dittmaier , T. Hahn

Parity-violating electron-scattering provides a largely model independent way of measuring neutron densities in nuclei that has important implications for the structure of nuclei and neutron stars. In this paper we calculate radiative…

Nuclear Theory · Physics 2026-03-25 Brendan T. Reed , C. J. Horowitz

This lecture contains a pedagogical approach to the description of Z' physics in the formalism of form factors. Usually, only electroweak corrections are described by form factors, which modify the Weinberg angle and the overall…

High Energy Physics - Phenomenology · Physics 2011-04-15 A. Leike

We consider elastic scattering of electrons off a proton target. The parity violating (PV) asymmetry arises at leading order in $\alpha$ due to interference of $\gamma$ and $Z$ exchange. The radiative corrections to this leading mechanism…

High Energy Physics - Phenomenology · Physics 2010-04-21 M. Gorchtein , C. J. Horowitz

The matrix element of a bound electron interacting with the nucleus through exchange of a Z boson is studied for the gauge invariant case of $2s_{1/2}-2p_{1/2}$ transitions in hydrogenic ions. The QED radiative correction to the matrix…

High Energy Physics - Phenomenology · Physics 2009-11-10 J. Sapirstein , K. Pachucki , A. Veitia , K. T. Cheng

Very brief summary of the most recent developments in an area of QED corrections to the parity nonconservation in atoms is presented. Main conclusion - experimental results of Wood et al do not contradict the standard model

High Energy Physics - Phenomenology · Physics 2007-05-23 M. Yu. Kuchiev , V. V. Flambaum

Radiative corrections to neutrino deep inelastic scattering are revisited. One-loop electroweak corrections are re-calculated within the automatic SANC system. Terms with mass singularities are treated including higher order leading…

High Energy Physics - Phenomenology · Physics 2009-11-10 A. B. Arbuzov , D. Yu. Bardin , L. V. Kalinovskaya

The effect of vacuum polarization on the parity violating asymmetry in the elastic electron-nucleus scattering is considered. Calculations are performed in the high-energy approximation with an exact account for the electric field of the…

High Energy Physics - Phenomenology · Physics 2009-11-10 A. I. Milstein , O. P. Sushkov

Parity-violating elastic electron-nucleon scattering at low momentum transfer allows one to access the nucleon's weak charge, the vector coupling of the $Z$-boson to the nucleon. In the Standard Model and at tree level, the weak charge of…

Nuclear Theory · Physics 2016-11-23 Mikhail Gorchtein , Hubert Spiesberger

Radiative corrections are calculated for antineutrino proton quasielastic scattering, neutrino deuteron scattering, and the asymmetry of polarised neutron beta decay from which $G_{A}/G_{V}$ is determined. A particular emphasis is given to…

High Energy Physics - Phenomenology · Physics 2015-06-25 T. Kubota , M. Fukugita

One loop electroweak radiative corrections to left-right parity violating M{\o}ller scattering ($e^-e^-\to e^-e^-$) asymmetries are presented. They reduce the standard model (tree level) prediction by 40$\pm 3$ \% where the main shift and…

High Energy Physics - Phenomenology · Physics 2016-08-24 Andrzej Czarnecki , William J. Marciano

QED radiative corrections have been calculated for leptonic and hadronic variables in parity-violating elastic ep scattering. For the first time, the calculation of the asymmetry in the elastic radiative tail is performed without the…

High Energy Physics - Phenomenology · Physics 2009-11-11 J. Arvieux , B. Collin , H. Guler , M. Morlet , S. Niccolai , S. Ong , J. Van de Wiele

Radiative corrections are studied within an extension of the standard model, containing extra singlet scalars. The calculations determine the effect of a large width of the Higgs boson on radiative corrections. They throw some light on the…

High Energy Physics - Phenomenology · Physics 2009-11-07 J. J. van der Bij
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