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Related papers: Radiative Corrections to the PREX and QWEAK Experi…

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Nuclear mass measurements and neutron matter theory tightly constrain the nuclear symmetry energy parameters $J$, $L$, $K_{sym}$ and $Q_{sym}$. Corroboration of these constraints on $J$ and $L$ can be found from measurements of the neutron…

Nuclear Theory · Physics 2023-08-17 James M. Lattimer

We analyze the dispersion correction to elastic parity violating electron-proton scattering due to $\gamma Z$ exchange. In particular, we explore the theoretical uncertainties associated with modeling contributions of hadronic intermediate…

Nuclear Theory · Physics 2011-08-22 Mikhail Gorchtein , C. J. Horowitz , Michael J. Ramsey-Musolf

The question of the determination of the proton charge radius $R_p$ from electron scattering data led to an unprecedented experimental effort for measurements of the electric form factor of the proton at low and very low momentum transfer…

Nuclear Experiment · Physics 2019-09-04 M. Hoballah , S. Cholak , R. Kunne , C. Le Galliard , D. Marchand , G. Quéméner , E. Voutier , J. van de Wiele

We present a feasibility study of a simultaneous sub-percent extraction of the weak charge and the weak radius of the ${}^{12}$C nucleus using parity-violating electron scattering, based on a largely model-independent assessment of the…

The aim of this article is to review the very important role played by radiative corrections in precision electroweak physics, in the framework of both the Fermi Theory of Weak Interactions and the Standard Theory of Particle Physics.…

High Energy Physics - Phenomenology · Physics 2015-06-11 Alberto Sirlin , Andrea Ferroglia

We report the first measurement of the parity-violating asymmetry A_PV in the elastic scattering of polarized electrons from 208Pb. A_PV is sensitive to the radius of the neutron distribution (Rn). The result A_PV = 0.656 \pm 0.060 (stat)…

Nuclear Experiment · Physics 2012-03-27 S. Abrahamyan , Z. Ahmed , H. Albataineh , K. Aniol , D. S. Armstrong , W. Armstrong , T. Averett , B. Babineau , A. Barbieri , V. Bellini , R. Beminiwattha , J. Benesch , F. Benmokhtar , T. Bielarski , W. Boeglin , A. Camsonne , M. Canan , P. Carter , G. D. Cates , C. Chen , J. -P. Chen , O. Hen , F. Cusanno , M. M. Dalton , R. De Leo , K. de Jager , W. Deconinck , P. Decowski , X. Deng , A. Deur , D. Dutta , A. Etile , D. Flay , G. B. Franklin , M. Friend , S. Frullani , E. Fuchey , F. Garibaldi , E. Gasser , R. Gilman , A. Giusa , A. Glamazdin , J. Gomez , J. Grames , C. Gu , O. Hansen , J. Hansknecht , D. W. Higinbotham , R. S. Holmes , T. Holmstrom , C. J. Horowitz , J. Hoskins , J. Huang , C. E. Hyde , F. Itard , C. -M. Jen , E. Jensen , G. Jin , S. Johnston , A. Kelleher , K. Kliakhandler , P. M. King , S. Kowalski , K. S. Kumar , J. Leacock , J. Leckey , J. H. Lee , J. J. LeRose , R. Lindgren , N. Liyanage , N. Lubinsky , J. Mammei , F. Mammoliti , D. J. Margaziotis , P. Markowitz , A. McCreary , D. McNulty , L. Mercado , Z. -E. Meziani , R. W. Michaels , M. Mihovilovic , N. Muangma , C. Muñoz-Camacho , S. Nanda , V. Nelyubin , N. Nuruzzaman , Y. Oh , A. Palmer , D. Parno , K. D. Paschke , S. K. Phillips , B. Poelker , R. Pomatsalyuk , M. Posik , A. J. R. Puckett , B. Quinn , A. Rakhman , P. E. Reimer , S. Riordan , P. Rogan , G. Ron , G. Russo , K. Saenboonruang , A. Saha , B. Sawatzky , A. Shahinyan , R. Silwal , S. Sirca , K. Slifer , P. Solvignon , P. A. Souder , M. L. Sperduto , R. Subedi , R. Suleiman , V. Sulkosky , C. M. Sutera , W. A. Tobias , W. Troth , G. M. Urciuoli , B. Waidyawansa , D. Wang , J. Wexler , R. Wilson , B. Wojtsekhowski , X. Yan , H. Yao , Y. Ye , Z. Ye , V. Yim , L. Zana , X. Zhan , J. Zhang , Y. Zhang , X. Zheng , P. Zhu

The paper discusses the two-loop (NNLO) electroweak radiative corrections to the parity violating electron-electron scattering asymmetry induced by squaring one-loop diagrams. The calculations are relevant for the ultra-precise 11 GeV…

High Energy Physics - Phenomenology · Physics 2015-05-30 A. Aleksejevs , S. Barkanova , Y. Kolomensky , E. Kuraev , V. Zykunov

The impact of atomic parity violation experiments on determination of the weak mixing parameter $\sin^2 \theta$ and the Peskin-Takeuchi parameters $S$ and $T$ is reassessed in the light of recent electroweak measurements at LEP, SLAC, and…

High Energy Physics - Phenomenology · Physics 2016-08-24 Jonathan L. Rosner

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…

Higher-order QED effects play an important role in precision measurements of nucleon elastic form factors in electron scattering. Here we introduce a two-photon exchange QED correction to the parity-violating polarization asymmetry of…

High Energy Physics - Phenomenology · Physics 2008-11-26 Andrei V. Afanasev , Carl E. Carlson

The fields of particle and nuclear physics have undertaken extensive programs to search for evidence of physics beyond that explained by current theories. The observation of the Higgs boson at the Large Hadron Collider completed the set of…

Despite significant theoretical efforts, the CREX-PREX dilemma remains unresolved, preventing the reliable prediction of neutron (or weak-charge) radii that, besides their intrinsic nuclear-structure interest, often serve to quantify the…

Nuclear Theory · Physics 2025-09-05 J. Piekarewicz

It is shown that the account for the proton charge form factor in the Coulomb corrections to the electron-proton scattering cross section noticeably diminishes the difference between the value of the proton charge radius $r_{\mathrm{E}}$,…

High Energy Physics - Phenomenology · Physics 2014-02-14 R. N. Lee , A. I. Milstein

At very high densities, electrons react with protons to form neutron rich matter. This material is central to many fundamental questions in nuclear physics and astrophysics. Moreover, neutron rich matter is being studied with an…

Nuclear Theory · Physics 2012-11-28 C. J. Horowitz

The differential cross section for elastic scattering of protons on electrons at rest is calculated taking into account the QED radiative corrections to the leptonic part of interaction. These model-independent radiative corrections arise…

High Energy Physics - Phenomenology · Physics 2017-06-28 G. I. Gakh , M. I. Konchatnij , N. P. Merenkov , Egle Tomasi-Gustafsson

We use the semi-analytical program RCFORGV to evaluate radiative corrections to one-photon radiative emission in the high-energy scattering of pions in the Coulomb field of a nucleus with atomic number Z. It is shown that radiative…

High Energy Physics - Phenomenology · Physics 2009-09-25 A. A. Akhundov , S. Gerzon , S. Kananov , M. A. Moinester

Analogous to the well-known proton charge radius puzzle, a similar puzzle exists for the deuteron charge radius, $r_{d}$. There are discrepancies observed in the results of $r_{d}$, measured from electron-deuteron ($e-d$) scattering…

The parity-violating spin asymmetry Apv for elastic electron scattering from spin-zero nuclei, together with its QED corrections, is evaluated non-perturbatively within the phase-shift analysis. Dispersion corrections, taking into account…

Nuclear Theory · Physics 2026-03-30 D. H. Jakubassa-Amundsen , X. Roca-Maza

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…

The proton radius has been measured in electron-proton scattering experiments and laser based spectroscopy of muonic hydrogen. The latter method is based on the precise calculations for the atomic energy levels in the approximation of…

High Energy Physics - Experiment · Physics 2021-12-02 Vitaly Baturin , Igor Strakovsky