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Related papers: Parity Violation, the Neutron Radius of Lead, and …

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The advantage of searching for violation of Time Reversal Invariance in neutron induced reactions using relative measurements of Time and Parity violating effects is discussed. This approach gives the enhancement of $T$-violating effects by…

Nuclear Theory · Physics 2016-11-23 Vladimir Gudkov

We propose to extract the value of the effective neutrino charge radius from the coherent scattering of a neutrino against a heavy nucleus. In such an experiment the relevant quantity to measure is the kinetic energy distribution of the…

High Energy Physics - Phenomenology · Physics 2007-05-23 Joannis Papavassiliou , Jose Bernabeu , Massimo Passera

We explore the sensitivity of the parity-violating electron scattering (PVES) asymmetry in both elastic and deep-inelastic scattering to the properties of a dark photon. Given advances in experimental capabilities in recent years, there are…

High Energy Physics - Phenomenology · Physics 2022-07-05 A. W. Thomas , X. G. Wang , A. G. Williams

The proton radius puzzle remains a key challenge in modern physics, highlighting both the precision and limitations of current experimental and theoretical approaches. Recent studies, such as those by Xiong et al. and Bezginov et al., have…

Nuclear Experiment · Physics 2025-01-22 Roland B. Lumpay , Jade C. Jusoy , Ruel Apas , Eulogio Auxtero

Neutrino-nucleus coherent elastic scattering provides a theoretically appealing way to measure the neutron part of nuclear form factors. Using an expansion of form factors into moments, we show that neutrinos from stopped pions can probe…

Nuclear Theory · Physics 2013-05-30 Kelly Patton , Jonathan Engel , Gail C. McLaughlin , Nicolas Schunck

We consider neutral-current parity-violating interactions in an atom mediated by the exchange of a neutrino-antineutrino pair. We explicitly account for the nuclear finite size encoded in the nuclear form factor. Based on its general…

Nuclear Theory · Physics 2026-05-27 Mikhail Gorchtein , Hubert Spiesberger

Nuclear physics tests of parity- and time-reversal invariance have both shaped the development of the Standard Model and provided key tests of its predictions. These studies now provide vital input in the search for physics beyond the…

Nuclear Theory · Physics 2017-08-23 David Hertzog , Michael J. Ramsey-Musolf

Since their advent, Parity Violating experiments have played a crucial role in testing the standard model (SM) of electroweak interactions. In recent years, these experiments have reached such a high degree of accuracy that they might test…

High Energy Physics - Phenomenology · Physics 2009-02-10 Gian Franco Sacco

Neutron rich matter is at the heart of many fundamental questions in Nuclear Physics and Astrophysics. What are the high density phases of QCD? Where did the chemical elements come from? What is the structure of many compact and energetic…

Solar and Stellar Astrophysics · Physics 2011-09-28 C. J. Horowitz

The nuclear charge radius is a fundamental observable that encodes key aspects of nuclear structure, deformation, and pairing. Isotonic (constant neutron number) systematics in the deformed rare-earth region have long suggested that odd-$Z$…

The recent experimental determination of the parity violating asymmetry $A_{\rm pv}$ in ${}^{48}$Ca and ${}^{208}$Pb at Jefferson Lab is important for our understanding on how neutrons and protons arrange themselves inside the atomic…

Nuclear Theory · Physics 2023-01-03 Paul-Gerhard Reinhard , Xavier Roca-Maza , Witold Nazarewicz

Background: The ground state neutron density of a medium mass nucleus contains fundamental nuclear structure information and is at present relatively poorly known. Purpose: We explore if parity violating elastic electron scattering can…

Nuclear Theory · Physics 2015-07-29 Z. Lin , C. J. Horowitz

Macro-coherent atomic de-excitation involving a neutrino pair emission, radiative emission of neutrino pair (RENP) $|e\rangle \rightarrow |g\rangle + \gamma +\nu_i \nu_j$ (with $\gamma$ a photon and $\nu_i$ a neutrino mass eigenstate), is a…

High Energy Physics - Phenomenology · Physics 2013-12-25 M. Yoshimura , N. Sasao , S. Uetake

In the G0 experiment, performed at Jefferson Lab, the parity-violating elastic scattering of electrons from protons and quasi-elastic scattering from deuterons is measured in order to determine the neutral weak currents of the nucleon.…

Nuclear Experiment · Physics 2011-06-29 G0 Collaboration , D. Androic , D. S. Armstrong , J. Arvieux , R. Asaturyan , T. D. Averett , S. L. Bailey , G. Batigne , D. H. Beck , E. J. Beise , J. Benesch , F. Benmokhtar , L. Bimbot , J. Birchall , A. Biselli , P. Bosted , H. Breuer , P. Brindza , C. L. Capuano , R. D. Carlini , R. Carr , N. Chant , Y. -C. Chao , R. Clark , A. Coppens , S. D. Covrig , A. Cowley , D. Dale , C. A. Davis , C. Ellis , W. R. Falk , H. Fenker , J. M. Finn , T. Forest , G. Franklin , R. Frascaria , C. Furget , D. Gaskell , M. T. W. Gericke , J. Grames , K. A. Griffioen , K. Grimm , G. Guillard , B. Guillon , H. Guler , K. Gustafsson , L. Hannelius , J. Hansknecht , R. D. Hasty , A. M. Hawthorne Allen , T. Horn , T. M. Ito , K. Johnston , M. Jones , P. Kammel , R. Kazimi , P. M. King , A. Kolarkar , E. Korkmaz , W. Korsch , S. Kox , J. Kuhn , J. Lachniet , R. Laszewski , L. Lee , J. Lenoble , E. Liatard , J. Liu , A. Lung , G. A. MacLachlan , J. Mammei , D. Marchand , J. W. Martin , D. J. Mack , K. W. McFarlane , D. W. McKee , R. D. McKeown , F. Merchez , M. Mihovilovic , A. Micherdzinska , H. Mkrtchyan , B. Moffit , M. Morlet , M. Muether , J. Musson , K. Nakahara , R. Neveling , S. Niccolai , D. Nilsson , S. Ong , S. A. Page , V. Papavassiliou , S. F. Pate , S. K. Phillips , P. Pillot , M. L. Pitt , M. Poelker , T. A. Porcelli , G. Quemener , B. P. Quinn , W. D. Ramsay , A. W. Rauf , J. -S. Real , T. Ries , J. Roche P. Roos , G. A. Rutledge , J. Schaub , J. Secrest , T. Seva , N. Simicevic , G. R. Smith , D. T. Spayde , S. Stepanyan , M. Stutzman , R. Suleiman , V. Tadevosyan , R. Tieulent , J. van de Wiele , W. T. H. van Oers , M. Versteegen , E. Voutier , W. F. Vulcan , S. P. Wells , G. Warren , S. E. Williamson , R. J. Woo , S. A. Wood , C. Yan , J. Yun , V. Zeps

We measure the difference in the scattering probability when an experiment scattering longitudinally polarized 221 MeV protons from liquid hydrogen is replaced by its mirror image. The result depends on the interplay between the weak and…

Popular Physics · Physics 2007-05-23 W. D. Ramsay

High-energy electron scattering is a clean and precise probe for measurements of hadronic and nuclear structure, with a key role in understanding the role of high-momentum nucleons (and quarks) in nuclei. Jefferson Lab has dramatically…

Nuclear Experiment · Physics 2022-03-08 John Arrington , Nadia Fomin , Axel Schmidt

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 on progress towards performing precision measurements of parity violation in Yb, in which the theoretical prediction for a strong weak-interaction-induced effect in the 6s^{2} ^{1}S_{0} \rightarrow 5d6s ^{3}D_{1} optical…

Atomic Physics · Physics 2017-09-01 D. Antypas , A. Fabricant , L. Bougas , K. Tsigutkin , D. Budker

The parity violating longitudinal asymmetry ${\cal A}$ is calculated for quasielastic electron scattering. We use a variety of relativistic mean field models for the response of nuclear matter and $^{12}$C at a momentum transfer of q=550…

Nuclear Theory · Physics 2008-11-26 C. J. Horowitz , J. Piekarewicz

A short review of the present knowledge of the nucleons distribution in nuclei is given. A proposal is made about a possible measurements of the neutron distribution through polarized electron scattering off nuclei.

Nuclear Theory · Physics 2007-05-23 W. M. Alberico , A. Molinari