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Related papers: First constraint on the weak mixing angle using di…

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The electroweak mixing angle is a fundamental parameter of the theory of electroweak interactions. Its value has been measured precisely at the $\mathrm{Z}$-pole at colliders. In this contribution, we propose to exploit measurements of…

High Energy Physics - Phenomenology · Physics 2022-11-17 Federico Vazzoler , Simone Amoroso , Ekaterina Lipka , Clara Lavinia Del Pio , Mauro Chiesa , Fulvio Piccinini , Alessandro Vicini

This is a review of electroweak precision physics with particular emphasis on low-energy precision measurements in the neutral current sector of the electroweak theory and includes future experimental prospects and the theoretical…

High Energy Physics - Phenomenology · Physics 2015-06-15 Jens Erler , Shufang Su

We discuss the possibility of using future high--intensity low--energy neutrino beams for precision tests of the Standard Model. In particular we consider the determination of the electroweak mixing angle from elastic and quasi--elastic…

High Energy Physics - Phenomenology · Physics 2008-11-26 V. Antonelli , G. Battistoni , P. Ferrario , S. Forte

In this work, the sensitivity of future germanium-based reactor neutrino experiments to the weak mixing angle $\sin^{2}\theta_{W}$, and to the presence of new light vector bosons is investigated. By taking into account key experimental…

High Energy Physics - Phenomenology · Physics 2024-08-26 Manfred Lindner , Thomas Rink , Manibrata Sen

The Qweak experiment at Jefferson Lab aims to make a 4% measurement of the parity-violating asymmetry in elastic scattering at very low $Q^2$ of a longitudinally polarized electron beam on a proton target. The experiment will measure the…

High Energy Physics - Experiment · Physics 2019-08-14 Gregory S. Mitchell

The NuTeV Collaboration has measured the electroweak parameters sin^2 theta_W and rho in neutrino-nucleon deep-inelastic scattering using a sign-selected beam. The nearly pure neutrino or antineutrino beams that result provide many of the…

High Energy Physics - Experiment · Physics 2009-11-07 R. H. Bernstein

We examine the recently-reported low-energy electron recoil spectrum observed at the XENON1T underground dark matter direct detection experiment, in the context of new interactions with solar neutrinos. In particular we show that scalar and…

High Energy Physics - Phenomenology · Physics 2021-11-22 Celine Boehm , David G. Cerdeno , Malcolm Fairbairn , Pedro A. N. Machado , Aaron C. Vincent

We explore the implications of the Borexino experiment's real time measurements of the lowest energy part of the neutrino spectrum from the primary pp fusion process up to 0.420 MeV through the 7^Be decay at 0.862 MeV to the pep reaction at…

High Energy Physics - Phenomenology · Physics 2017-08-02 Amir N. Khan , Douglas W. McKay

In the framework of the Standard Model with lepton mixing the radiative decay $\nu_i \rightarrow \nu_j \gamma$ of a neutrino of high ($E_\nu \sim 100 \, GeV$) and super-high ($E_\nu \ge 1 \, TeV$) energy is investigated in the Coulomb field…

High Energy Physics - Phenomenology · Physics 2007-05-23 A. A. Gvozdev , N. V. Mikheev , L. A. Vassilevskaya

The MOLLER experiment will measure the weak charge of the electron, $Q^e_W = 1 - 4\sin^2\theta_W$, with a precision of 2.3% by measuring the parity-violating asymmetry in electron-electron (M\oller) scattering. This measurement will provide…

High Energy Physics - Experiment · Physics 2019-08-17 Juliette Mammei

The status of the electroweak precision measurements as of winter 2004 and the global test of the Standard Model are discussed. Important input data are the precision variables measured on the Z resonance at LEP and SLC and the measurements…

High Energy Physics - Experiment · Physics 2007-05-23 Stefan Roth

At a level too faint for astronomy, particle dark matter may interact with Standard Model states via the photon. We derive limits from direct detection experiments on photon-mediated nuclear interactions up to operator dimension-6, viz.,…

High Energy Physics - Phenomenology · Physics 2025-09-30 Jason Kumar , Biprajit Mondal , Girish Muralidhara , Nirmal Raj

This note presents constraints on Standard Model parameters using published and preliminary precision electroweak results measured at the electron-positron colliders LEP and SLC. The results are compared with precise electroweak…

In a global analysis of the latest parity-violating electron scattering measurements on nuclear targets, we demonstrate a significant improvement in the experimental knowledge of the weak neutral-current lepton-quark interactions at low…

High Energy Physics - Phenomenology · Physics 2008-11-26 R. D. Young , R. D. Carlini , A. W. Thomas , J. Roche

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 report on a precision measurement of the parity-violating asymmetry in fixed target electron-electron (Moller) scattering: A_PV = -131 +/- 14 (stat.) +/- 10 (syst.) parts per billion, leading to the determination of the weak mixing angle…

High Energy Physics - Experiment · Physics 2010-03-19 SLAC E158 Collaboration , P. L. Anthony

It is now widely accepted that a new middle baseline disappearance reactor neutrino experiment with multiple detectors could provide a clean measurement of the $\theta_{13}$ mixing angle, free from any parameter degeneracies and…

High Energy Physics - Experiment · Physics 2009-11-10 Th. Lasserre

The NuTeV experiment at Fermilab presents a determination of the electroweak mixing angle. High purity, large statistics samples of muon-neutrino and muon-antineutrino events allow the use of the Paschos-Wolfenstein relation, a technique…

High Energy Physics - Experiment · Physics 2007-05-23 NuTeV Collaboration , G. P. Zeller

Coherent elastic neutrino-nucleus (CE$\nu$NS) and elastic neutrino-electron scattering (E$\nu$ES) data are exploited to constrain ``chiral'' $U(1)_{X}$ gauged models with light vector mediator mass. These models fall under a distinct class…

High Energy Physics - Phenomenology · Physics 2025-04-17 Anirban Majumdar , Dimitrios K. Papoulias , Hemant Prajapati , Rahul Srivastava

This note presents constraints on Standard Model parameters using published and preliminary precision electroweak results measured at the electron-positron colliders LEP and SLC. The results are compared with precise electroweak…