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We present a systematic calculation of the current jet production semi-inclusive deeply inelastic scattering process at the Electron-Ion Collider energy. Contributions from weak interactions are considered which give rise to parity…

High Energy Physics - Phenomenology · Physics 2020-07-14 Kai-bao Chen , Wei-hua Yang

We show that local parity violation due to chirality imbalance in relativistic nuclear collisions can be revealed by measuring the projection of the polarization vector onto the momentum, i.e. the helicity, of final state baryons. The…

High Energy Physics - Phenomenology · Physics 2021-10-08 F. Becattini , M. Buzzegoli , A. Palermo , G. Prokhorov

We report a new measurement of the parity-violating asymmetry in elastic electron scattering from the proton at backward scattering angles. This asymmetry is sensitive to the strange magnetic form factor of the proton as well as electroweak…

Nuclear Experiment · Physics 2011-08-19 SAMPLE collaboration , D. T. Spayde

In inclusive deep-inelastic lepton-hadron scattering multi-photon exchange between the leptonic and the hadronic part of the process causes single spin asymmetries. The asymmetries exist for a polarized target as well as a polarized…

High Energy Physics - Phenomenology · Physics 2008-11-26 A. Metz , M. Schlegel , K. Goeke

Parity-violating quasielastic electron scattering is studied within the context of the relativistic Fermi gas and its extensions to include the effects of pionic correlations and meson-exchange currents. The work builds on previous studies…

Nuclear Theory · Physics 2009-10-22 M. B. Barbaro , A. De Pace , T. W. Donnelly , A. Molinari

We analyze the parity-violating (PV) components of the analyzing power in elastic electron-proton scattering and discuss their sensitivity to the strange quark contributions to the proton weak form factors. We point out that the component…

Nuclear Theory · Physics 2009-10-31 M. Moscani , B. Mosconi , P. Ricci

We investigate parity-violating electroweak asymmetries in the elastic scattering of polarized electrons off protons within the framework of the chiral quark-soliton model ($\chi$QSM). We use as input the former results of the…

High Energy Physics - Phenomenology · Physics 2008-11-26 Antonio Silva , Hyun-Chul Kim , Diana Urbano , Klaus Goeke

A new approach is proposed to describe the parity violation in the process of scattering of a polarized proton by a proton at high energies. It is shown that in the tree approximation the P-odd amplitude of proton-proton scattering is…

High Energy Physics - Phenomenology · Physics 2020-08-07 A. I. Milstein , N. N. Nikolaev , S. G. Salnikov

We report on a calculation of one-loop weak corrections to polarized quark-gluon scattering and the corresponding crossed channels. Such contributions are suppressed formally by one power of alpha_s relative to W- or Z-mediated quark-quark…

High Energy Physics - Phenomenology · Physics 2009-11-07 John Ellis , Stefano Moretti , Douglas Ross

We explore two longitudinal single-spin asymmetries induced from parity violation in neutral-current deep inelastic scattering at the proposed Electron-ion collider in China (EicC): $A_{PV}^{e\,(p)}$ from longitudinally polarized…

High Energy Physics - Phenomenology · Physics 2025-03-13 Yong Du

A new handed interaction between quarks could be at the origin of some small parity violating effects in the inclusive production of one-jet in polarized $pp$ collisions. This interaction could originate from compositeness or from the…

High Energy Physics - Phenomenology · Physics 2007-05-23 P. Taxil , J. -M. Virey

We have measured the parity-violating electroweak asymmetry in the elastic scattering of polarized electrons from protons. Significant contributions to this asymmetry could arise from the contributions of strange form factors in the…

Nuclear Experiment · Physics 2012-08-27 HAPPEX Collaboration

We have measured the parity-violating electroweak asymmetry in the elastic scattering of polarized electrons from the proton. The result is A = -15.05 +- 0.98(stat) +- 0.56(syst) ppm at the kinematic point theta_lab = 12.3 degrees and Q^2 =…

Nuclear Experiment · Physics 2010-05-27 HAPPEX collaboration , K. A. Aniol

We study the important, yet widely overlooked, role of gluons for spin transport with a connection to local parity violation in quark gluon plasmas. We extend the newly developed quantum kinetic theory for relativistic fermions to the case…

Nuclear Theory · Physics 2022-08-01 Berndt Müller , Di-Lun Yang

Two kinds of asymmetry arise from the interference of the Born amplitude and the box-type amplitude corresponding to two virtual photons exchange, namely charge-odd and one spin asymmetries. In case of unpolarized particles the charge-odd…

High Energy Physics - Phenomenology · Physics 2008-11-26 E. A. Kuraev , V. V. Bytev , Yu. M. Bystritskiy , E. Tomasi-Gustafsson

We calculate the (parity-violating) spin rotation angle of a polarized neutron beam through hydrogen and deuterium targets, using pionless effective field theory up to next-to-leading order. Our result is part of a program to obtain the…

Nuclear Theory · Physics 2015-05-30 Harald W. Griesshammer , Matthias R. Schindler , Roxanne P. Springer

The effect of vacuum polarization on the parity violating asymmetry in the elastic electron-nucleus scattering is considered. Calculations are performed in the high-energy approximation with an exact account for the electric field of the…

High Energy Physics - Phenomenology · Physics 2009-11-10 A. I. Milstein , O. P. Sushkov

The parity-violating asymmetries between a longitudinally-polarized electron beam and an unpolarized deuterium target have been measured recently. The measurement covered two kinematic points in the deep inelastic scattering region and five…

SLAC E-158 is making the first measurement of parity violation in Moller scattering. E-158 measures the right-left cross-section asymmetry, A_LR, in the scattering of a 45-GeV polarized electron beam off unpolarized electrons in a liquid…

High Energy Physics - Experiment · Physics 2007-05-23 T. B. Humensky

The general formalism for polarization observables in elastic electron deuteron scattering is extended to incorporate parity and time reversal violating contributions. Parity violating effects arise from the interference of $\gamma$ and $Z$…

Nuclear Theory · Physics 2009-11-06 Hartmuth Arenhoevel , Shri K. Singh
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