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Related papers: The MOLLER Experiment

200 papers

The Qweak experiment aims to measure the weak charge of the proton to 4% via the parity-violating asymmetry ($\sim$-200 ppb) in elastic e+p scattering. The scattering rate is largely influenced by five beam parameters: horizontal position…

Accelerator Physics · Physics 2015-06-11 Nuruzzaman

Precise measurements of electron and positron scattering, including parity violation, offer great promise in the search for physics beyond the Standard Model. In this context it is crucial to understand the corrections which might arise…

High Energy Physics - Phenomenology · Physics 2024-12-13 X. G. Wang , A. W. Thomas

We discuss results of the most accurate to-date test of the low-energy electroweak sector of the standard model of elementary particles. Combining previous measurements with our high-precision calculations we extracted the weak charge of…

High Energy Physics - Phenomenology · Physics 2014-11-21 S. G. Porsev , K. Beloy , A. Derevianko

This talk describes some of the precision electroweak measurements from around the world, namely those related to the Z and W bosons, the top quark mass, sin2 theta_ W at NuTeV, and three other fundamental measurements: alpha-1 m2_ Z,…

High Energy Physics - Experiment · Physics 2015-06-25 H. Przysiezniak

A weighted average weak mixing angle theta_W derived from relatively low Q^2 experiments is compared with the Standard Model prediction obtained from precision measurements. The approximate 1.8 sigma discrepancy is fit with an intermediate…

High Energy Physics - Phenomenology · Physics 2015-09-09 Hooman Davoudiasl , Hye-Sung Lee , William J. Marciano

The general features of the Moller scattering and its use as an electron polarimeter are described and studied in view of the planned future high energy e^+e^- linear colliders. In particular the study concentrates on the TESLA collider…

High Energy Physics - Experiment · Physics 2015-06-25 Gideon Alexander , Iuliana Cohen

The prospects for electroweak precision physics at the LHC and the ILC are reviewed. This includes projections for measurements of the effective Z pole weak mixing angle, sin^2 theta_W (eff.), as well as top quark, W boson, and Higgs scalar…

High Energy Physics - Phenomenology · Physics 2008-11-26 Jens Erler

We study the accuracy to be obtained in measuring trilinear $Z^0W^+W^-$ and $\gamma W^+W^-$ couplings in the reaction $e^+e^- \to W^+W^-$ at "New Linear Collider" energies of $500GeV$ to $1000GeV$. We derive simple scaling laws for the…

High Energy Physics - Phenomenology · Physics 2011-07-19 M. Bilenky , J. -L. Kneur , F. M. Renard , D. Schildknecht

We report new values of weak-mixing angle ($\sin ^{2}\theta _{W}$)$,$ neutrino effective magnetic moment and the charge radius using the lowest-energy (to-date) solar neutrino data of pp, $^{7}$Be and pep spectra from phase-I and phase-II…

High Energy Physics - Phenomenology · Physics 2019-02-19 Amir N. Khan

We outline the recent results on the two-loop electroweak contributions to the electron-electron scattering cross sections and asymmetries. Although the two-loop corrections are strongly suppressed relative to the one-loop corrections, they…

High Energy Physics - Phenomenology · Physics 2014-11-18 A. Aleksejevs , S. Barkanova , V. Zykunov

Moller scattering is one of the most fundamental processes in QED. Understanding it to high precision is necessary for a variety of modern nuclear and particle physics experiments. In a recent calculation, existing soft-photon radiative…

We present an overview of the present status and prospects for progress in electroweak measurements at future collider experiments leading to precision tests of the Standard Model of Electroweak Interactions. Special attention is paid to…

High Energy Physics - Phenomenology · Physics 2016-09-06 U. Baur , M. Demarteau

We report on the extraction of $\sin^2\theta^{\rm lept}_{\rm eff}(M_Z)$ and an indirect measurement of the mass of the W boson from the forward-backward asymmetry of dilepton events in the $Z$ boson mass region at the Tevatron. The data…

High Energy Physics - Experiment · Physics 2016-04-11 Arie Bodek

We determine the weak mixing angle in the MS-bar scheme at energy scales relevant for present and future low energy electroweak measurements. We relate the renormalization group evolution of the weak mixing angle to the corresponding…

High Energy Physics - Phenomenology · Physics 2009-11-10 Jens Erler , Michael J. Ramsey-Musolf

In the 1993 SLC/SLD run, the SLD recorded 50,000 $\z0$ events produced by the collision of longitudinally polarized electrons on unpolarized positrons at a center-of-mass energy of 91.26 GeV. The luminosity-weighted average polarization of…

High Energy Physics - Experiment · Physics 2012-08-27 SLD Collaboration

We study the impact of nuclear structure uncertainties on a measurement of the weak charge of $^{12}\mathrm{C}$ at the future MESA facility in Mainz. Information from a large variety of nuclear models, accurately calibrated to the…

High Energy Physics - Phenomenology · Physics 2024-10-10 Matteo Cadeddu , Nicola Cargioli , Jens Erler , Mikhail Gorchtein , Jorge Piekarewicz , Xavier Roca-Maza , Hubert Spiesberger

Using the deep inelastic e^+p and e^-p charged and neutral current scattering cross sections previously published, a combined electroweak and QCD analysis is performed to determine electroweak parameters accounting for their correlation…

High Energy Physics - Experiment · Physics 2012-08-27 H1 Collaboration

We compute the one-loop supersymmetric (SUSY) contributions to the weak charges of the electron ($Q_W^e$) and proton ($Q_W^p$) using the Minimal Supersymmetric Standard Model (MSSM). These $q^2=0$ vector couplings of the $Z^0$-boson to…

High Energy Physics - Phenomenology · Physics 2013-05-29 A. Kurylov , M. J. Ramsey-Musolf , S. Su

We have performed a novel comparison between electron-beam polarimeters based on M{\o}ller and Compton scattering. A sequence of electron-beam polarization measurements were performed at low beam currents ($<$ 5 $\mu$A) during the $Q_{\rm…

The proposed electron-proton collider LHeC is a unique facility where electroweak interactions can be studied with a very high precision in a largely unexplored kinematic regime of spacelike momentum transfer. We have simulated inclusive…

High Energy Physics - Phenomenology · Physics 2020-07-24 Daniel Britzger , Max Klein , Hubert Spiesberger