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For deuteron electroweak disintegration, parity violating effects are investigated which arise from the interference of $\gamma$ and $Z$ exchange as well as from the hadronic sector via a small parity violating component in the deuteron.…

Nuclear Theory · Physics 2009-10-30 G. Kuester , H. Arenhoevel

We report on an update (2021) of a phenomenological model for inelastic neutrino- and electron-nucleon scattering cross sections using effective leading order parton distribution functions with a new scaling variable $\xi_w$.…

High Energy Physics - Phenomenology · Physics 2021-10-04 Arie Bodek , Un Ki Yang , Yang Xu

We analyze deep inelastic scattering at small Bjorken x, using the approximate conformal invariance of QCD at high energies. Hard pomeron exchanges are resummed eikonally, restoring unitarity at large values of the phase shift in the dual…

High Energy Physics - Phenomenology · Physics 2009-03-19 Lorenzo Cornalba , Miguel S. Costa

A key question in understanding the structure of nucleons involves the role of sea quarks in their ground state electromagnetic properties such as charge and magnetism. Parity-violating electron scattering, when combined with determination…

Nuclear Experiment · Physics 2015-06-26 E. J. Beise

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

The basic facts of charge symmetry breaking (CSB) phenomena are reviewed. The relevance of CSB to parity-violating electron-proton scattering experiments that seek to extract strange elastic form factors is discussed. Experimentalists have…

Nuclear Theory · Physics 2014-11-03 Gerald A. Miller

The electron structure function method is applied to calculate model-independent radiative corrections to an asymmetry of electron-proton scattering. The representations for both spin-independent and spin-dependent parts of the…

High Energy Physics - Phenomenology · Physics 2014-11-17 A. V. Afanasev , I. Akushevich , N. P. Merenkov

The $n$-th moments of the nuclear structure function $F_2^A(x,Q^2)$ are analyzed using the off-shell kinematics appropriate to describe deep inelastic electron-nucleus scattering within the impulse approximation. It is shown that off-shell…

High Energy Physics - Phenomenology · Physics 2009-10-31 O. Benhar , S. Fantoni , G. I. Lykasov

A new structure function analysis of CCFR deep inelastic nu-N and nubar-N scattering data is presented for previously unexplored kinematic regions down to Bjorken x=0.0045 and Q^2=0.3 GeV^2. Comparisons to charged lepton scattering data…

High Energy Physics - Experiment · Physics 2012-08-27 NuTeV Collaboration , B. T. Fleming

We address the physics implications of a precision determination of the weak charge of the proton, QWP, from a parity violating elastic electron proton scattering experiment to be performed at the Jefferson Laboratory. We present the…

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

A possible experimental setup for measuring the effect of parity violation in the interaction of the polarized proton or deuteron beams with an unpolarized target is discussed. One possibility is investigation of scattering of the proton or…

High Energy Physics - Experiment · Physics 2020-08-07 I. A. Koop , A. I. Milstein , N. N. Nikolaev , A. S. Popov , S. G. Salnikov , P. Yu. Shatunov , Yu. M. Shatunov

The QCD expectations concerning the deep inelastic lepton - hadron scattering at low $x$ and their phenomenological implications for HERA are summarised. Theoretical predictions for the structure function $F_2(x,Q^2)$ based on the leading…

High Energy Physics - Phenomenology · Physics 2014-11-17 J. Kwieciński

Understanding the differences between the distribution of quarks bound in protons and neutrons is key for constraining the mechanisms of SU(6) spin-flavor symmetry breaking in Quantum Chromodynamics (QCD). While vast amounts of proton…

High Energy Physics - Phenomenology · Physics 2021-04-16 E. P. Segarra , J. R. Pybus , F. Hauenstein , T. Kutz , D. Higinbotham , G. A. Miller , E. Piasetzky , A. Schmidt , M. Strikman , L. B. Weinstein , O. Hen

New measurements of the spin structure functions of the proton and deuteron g1p(x,Q2) and g1d(x,Q2) in the nucleon resonance region are compared with extrapolations of target-mass-corrected next-to-leading-order (NLO) QCD fits to higher…

High Energy Physics - Phenomenology · Physics 2010-04-06 P. E. Bosted , K. V. Dharmawardane , G. E. Dodge , T. A. Forest , S. E. Kuhn , Y. Prok et al.

The A(Q^2) structure function in elastic electron-deuteron scattering was measured at six momentum transfers Q^2 between 0.66 and 1.80 (GeV/c)^2 in Hall C at Jefferson Laboratory. The scattered electrons and recoil deuterons were detected…

Nuclear Experiment · Physics 2015-06-26 The JLAB t20 collaboration , D. Abbott

We show that Parity-Violating Deep Inelastic Scattering (PVDIS) of longitudinally polarized electrons from deuterium can in principle be a relatively clean probe of higher twist quark-quark correlations beyond the parton model. As first…

High Energy Physics - Phenomenology · Physics 2011-01-28 Sonny Mantry , Michael J. Ramsey-Musolf , Gian Franco Sacco

In this work, we present CPT- and Lorentz-violating corrections to observable quantities in electron-proton scattering. We also show how the theoretical prediction can be used together with data to establish bounds on a coefficient for CPT…

High Energy Physics - Phenomenology · Physics 2019-05-30 A. R. Vieira

The interpretation of future precise experiments on atomic parity violation in terms of parameters of the Standard Model could be hampered by uncertainties in the atomic and nuclear structure. While the former can be overcome by measurement…

Nuclear Theory · Physics 2008-11-26 B. Q. Chen , P. Vogel

We study the scaling properties in deep inelastic scattering using the most recent combined structure function data $F_2$ from the H1 and ZEUS collaborations. We also perform a direct fit to the $F_2$ data inspired by the scaling…

High Energy Physics - Phenomenology · Physics 2010-11-19 Christophe Royon , Robert Peschanski

In the last decade, the scattering of polarized neutrons on compound nucleus resonances proved to be a powerful experimental technique for probing nuclear parity violation. Longitudinal analyzing powers in neutron transmission measurements…

Nuclear Theory · Physics 2009-11-07 A. C. Hayes , Luca Zanini
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