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Related papers: Bethe-Heitler type radiative corrections to deeply…

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The analysis of deeply virtual meson production is extended to neutrino-production of the pseudo-Goldstone mesons (pions, kaons, eta-mesons) on nucleons, with the flavor content of the recoil baryon either preserved, or changed to a hyperon…

High Energy Physics - Phenomenology · Physics 2013-07-02 B. Z. Kopeliovich , Ivan Schmidt , Marat Siddikov

Deeply virtual meson production (DVMP) is among the most prominent channels to extract the nucleon's generalized parton distributions (GPDs) at $ep$ scattering facilities such as {\tt JLab} and the upcoming {\tt EIC/EicC} experiments, which…

High Energy Physics - Phenomenology · Physics 2026-05-04 Wen Chen , Feng Feng , Yu Jia , Qin-Tao Song , Guang Tang , Zhe-Yu Wang

Continuing our previous study of Deeply Virtual Meson Production (DVMP) at twist-3 accuracy, we derive compact expressions for all helicity amplitudes. We perform a phenomenological analysis of the helicity-amplitude ratio…

High Energy Physics - Phenomenology · Physics 2026-03-27 Renaud Boussarie , Luigi Delle Rose , Michael Fucilla , Alessandro Papa , Lech Szymanowski , Samuel Wallon

Based on the collinear factorization approach, we present a comprehensive perturbative next-to-leading (NLO) analysis of deeply virtual meson production (DVMP). Our representation in conformal Mellin space can serve as basis for a global…

High Energy Physics - Phenomenology · Physics 2015-06-17 Dieter Mueller , Tobias Lautenschlager , Kornelija Passek-Kumericki , Andreas Schaefer

In this paper we estimate the size of twist-3 corrections to the deeply virtual meson production in neutrino interactions due to the chiral odd transversity Generalized Parton Distribution (GPD). We conclude that in contrast to pion…

High Energy Physics - Phenomenology · Physics 2014-03-12 B. Z. Kopeliovich , Ivan Schmidt , M. Siddikov

We show that lepton-pair production in Virtual Compton Scattering offers, through interference with the well-known Bethe-Heitler process, a sensitive probe to learn the longitudinal response of resonances and the electromagnetic nucleon…

Nuclear Theory · Physics 2016-08-15 A. Yu. Korchin , O. Scholten , F. de Jong

We study the twist-3 corrections to the neutrino induced deeply virtual meson production due to the chiral odd transversity Generalized Parton Distribution (GPD). We found that in contrast to pion electroproduction, in neutrino-induced…

High Energy Physics - Phenomenology · Physics 2015-06-18 B. Z. Kopeliovich , Ivan Schmidt , M. Siddikov

Virtual radiative corrections due to the long range Coulomb forces of heavy nuclei with charge Z may lead to sizeable corrections to the Born cross section usually used for lepton-nucleus scattering processes. An introduction and…

High Energy Physics - Phenomenology · Physics 2007-05-23 A. Aste , K. Hencken , D. Trautmann

In this paper we study the next-to-leading order corrections to deeply virtual pion and kaon production in neutrino experiments. We estimate these corrections in the kinematics of the Minerva experiment at FERMILAB, and find that they are…

High Energy Physics - Phenomenology · Physics 2017-02-08 Marat Siddikov , Ivan Schmidt

The recently proposed MUonE experiment at CERN aims at providing a novel determination of the leading order hadronic contribution to the muon anomalous magnetic moment through the study of elastic muon-electron scattering at relatively…

High Energy Physics - Phenomenology · Physics 2021-11-16 E. Budassi , C. M. Carloni Calame , M. Chiesa , C. L. Del Pio , S. M. Hasan , G. Montagna , O. Nicrosini , F. Piccinini

A Reggeometric (Regge+Geometry) model, based on the observed proportionality between the forward slope of the differential cross section and the interaction radius, the latter depending on virtuality Q2 of the incoming virtual photon and on…

High Energy Physics - Phenomenology · Physics 2013-07-03 S. Fazio , R. Fiore , L. Jenkovszky , A. Lavorini , A. Salii

Radiative corrections to the cross sections of photon electroproduction and the single spin asymmetries induced by the interference between the Bethe Heitler and deep virtual Compton scattering amplitudes are calculated within the leading…

High Energy Physics - Phenomenology · Physics 2018-07-25 Igor Akushevich , Alexander Ilyichev

We revisit the next-to-leading order (NLO) perturbative QCD corrections for the deeply virtual meson production (DVMP) process, exploring its phenomenology both in isolation and in a multichannel fit combined with deeply virtual Compton…

High Energy Physics - Phenomenology · Physics 2024-03-15 Marija Čuić , Goran Duplančić , Krešimir Kumerički , Kornelija Passek-K.

We give predictions for the leading order amplitudes for deeply virtual Compton scattering and hard meson electroproduction reactions at large Q^2 in the valence region in terms of skewed quark distributions. We give first estimates for the…

High Energy Physics - Phenomenology · Physics 2016-09-06 M. Vanderhaeghen , P. A. M. Guichon , M. Guidal

We systematically evaluate observables for hard exclusive electroproduction of real photons and compare them to experiment using a set of Generalized Parton Distributions (GPDs) whose parameters are constrained by Deeply Virtual Meson…

High Energy Physics - Phenomenology · Physics 2025-01-08 Peter Kroll , Hervé Moutarde , Franck Sabatié

We investigate contributions to the anomalous magnetic moments of charged leptons in the neutrino-extended Standard Model Effective Field Theory ($\nu$SMEFT). We discuss how $\nu$SMEFT operators can contribute to a lepton's magnetic moment…

High Energy Physics - Phenomenology · Physics 2021-09-24 Vincenzo Cirigliano , Wouter Dekens , Jordy de Vries , Kaori Fuyuto , Emanuele Mereghetti , Richard Ruiz

We report the first observation of azimuthal beam-spin asymmetries in hard electroproduction of real photons off nuclei. Attributed to the interference between the Bethe-Heitler process and the deeply-virtual Compton scattering process, the…

High Energy Physics - Experiment · Physics 2019-08-14 F. Ellinghaus , R. Shanidze , J. Volmer

We present the calculation of the virtual- and bremsstrahlung corrections of O(alpha_s) to the matrix elements <d l+ l-|O_i|b>. This is the missing piece in the NNLL results for various observables associated with the process B-> X_d l+ l-,…

High Energy Physics - Phenomenology · Physics 2011-01-05 H. M. Asatrian , K. Bieri , C. Greub , M. Walker

We study potential contribution of the heavy right-handed neutrino exchange in the process $e^{+}e^{-} \rightarrow W^{+}W^{-}$. This process is sensitive to heavy neutrinos with masses larger than $\sqrt{s}$. The Monte Carlo simulation of…

High Energy Physics - Phenomenology · Physics 2025-01-28 A. Drutskoy , E. Vasenin

Hard exclusive leptoproduction of real photons from an unpolarized proton target is studied in an effort to elucidate generalized parton distributions. The data accumulated during the years 1996--2005 with the HERMES spectrometer are…

High Energy Physics - Experiment · Physics 2009-12-15 The HERMES collaboration , A. Airapetian
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