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Predictions for semi-inclusive deep inelastic lepton-nucleus scattering are presented. Both the effects of gluon radiation by the struck quark and the absorption of the produced hadron are considered. The gluon radiation covers a larger…

Nuclear Theory · Physics 2009-11-07 Alberto Accardi , Valeria Muccifora , Hans-Juergen Pirner

We investigate one-particle semi-inclusive processes in lepton-hadron scattering. In unpolarized scattering order $Q^{-1}$ corrections appear only when transverse momenta are detected. We consider the twist two and three matrix elements and…

High Energy Physics - Phenomenology · Physics 2009-12-15 J. Levelt , P. J. Mulders

We study polarized deep inelastic scattering of charged leptons from spin-$1/2$ hadrons at low values of the Bjorken parameter and large 't Hooft coupling in terms of the gauge/string theory duality. We calculate the structure functions…

High Energy Physics - Theory · Physics 2018-11-14 Nicolas Kovensky , Gustavo Michalski , Martin Schvellinger

We present calculation on the azimuthal spin asymmetries for pion pair production in semi-inclusive deep inelastic scattering (SIDIS) process at both HERMES and COMPASS kinematics, with transversely polarized proton, deuteron and neutron…

High Energy Physics - Phenomenology · Physics 2008-11-26 Jun She , Yang Huang , Vincenzo Barone , Bo-Qiang Ma

We introduce twist-two quark interference fragmentation functions in helicity density matrix formalism and study their physical implications. We show how the nucleon's transversity distribution can be probed through the final state…

High Energy Physics - Phenomenology · Physics 2008-11-26 R. L. Jaffe , Xuemin Jin , Jian Tang

We explore the application of a two-component model of proton structure functions in the analysis of deep-inelastic scattering (DIS) data at low $Q^2$ and small $x$. This model incorporates both vector meson dominance and the correct…

High Energy Physics - Phenomenology · Physics 2019-11-21 X. G. Wang , A. W. Thomas

We present the complete results up to twist-3 for hadron production in the target fragmentation region of semi-inclusive deep inelastic scattering with a polarized lepton beam and polarized nucleon target. The nonperturbative effects are…

High Energy Physics - Phenomenology · Physics 2023-11-23 K. B. Chen , J. P. Ma , X. B. Tong

We report on the first extraction of interference fragmentation functions from the semi-inclusive production of two hadron pairs in back-to-back jets in e+e- annihilation. A nonzero asymmetry in the correlation of azimuthal orientations of…

High Energy Physics - Phenomenology · Physics 2013-05-30 A. Courtoy , A. Bacchetta , M. Radici , A. Bianconi

We review recent progress in the study of parton propagation, interaction and fragmentation in both cold and hot strongly interacting matter. Experimental highlights on high-energy hadron production in deep inelastic lepton-nucleus…

We extend the analysis of two-hadron fragmentation functions to the subleading twist, discussing also the issue of color gauge invariance. Our results can be used anywhere two unpolarized hadrons are semi-inclusively produced in the same…

High Energy Physics - Phenomenology · Physics 2009-11-10 Alessandro Bacchetta , Marco Radici

We investigate the feasibility of constraining parton distribution functions in the proton through a comparison with data on semi-inclusive deep-inelastic lepton-nucleon scattering. Specifically, we reweight replicas of these distributions…

High Energy Physics - Phenomenology · Physics 2017-11-29 Ignacio Borsa , Rodolfo Sassot , Marco Stratmann

The study of inclusive semileptonic decays of $B$ mesons is analyzed from the viewpoint of probing hadron structure and strong interactions. General formulas for the differential decay rates are given in terms of the structure functions in…

High Energy Physics - Phenomenology · Physics 2007-05-23 Changhao Jin

We study deep inelastic scattering (DIS) of charged leptons from polarised spin-1/2 hadrons in terms of the gauge/gravity duality. We calculate the structure functions related to spin-1/2 fermionic operators of ${\cal {N}}=4$ SYM theory in…

High Energy Physics - Theory · Physics 2020-07-15 David Jorrin , Gustavo Michalski , Martin Schvellinger

Semi-inclusive hadron production processes in deep-inelastic lepton-nucleon scattering are important probes of the quark flavour structure of the nucleon and of the fragmentation dynamics of quarks into hadrons. We compute the full…

High Energy Physics - Phenomenology · Physics 2024-06-21 Leonardo Bonino , Thomas Gehrmann , Giovanni Stagnitto

We separate the contributions of parton distributions from higher twist corrections to the deeply inelastic lepton-proton scattering in the resonance region using the Jefferson Lab data at low $Q^2$. The study indicates that the concept of…

High Energy Physics - Phenomenology · Physics 2016-10-12 Jianhong Ruan , Rong Wang , Xurong Chen , Wei Zhu

We investigate the power-suppressed corrections to the fragmentation functions of the current jet in non-singlet deep inelastic lepton-hadron scattering. The current jet is defined by selecting final-state particles in the current…

High Energy Physics - Phenomenology · Physics 2010-02-03 M. Dasgupta , G. E. Smye , B. R. Webber

The charged current weak interaction can distinguish quark flavors, it provides a valid method to determine (transverse momentum dependent) parton distribution functions in high energy reactions by utilizing tagged hadrons. In this paper,…

High Energy Physics - Phenomenology · Physics 2025-05-21 Wenyan Yu , Weihua Yang , Xing-hua Yang

The fragmentation of a light parton i to a jet containing a light energetic hadron h, where the momentum fraction of this hadron as well as the invariant mass of the jet is measured, is described by "fragmenting jet functions". We calculate…

High Energy Physics - Phenomenology · Physics 2011-07-19 Ambar Jain , Massimiliano Procura , Wouter J. Waalewijn

Semi-inclusive hadron production in longitudinally polarized deep-inelastic lepton-nucleon scattering is a powerful tool for resolving the quark flavor decomposition of the proton's spin structure. We present the full…

High Energy Physics - Phenomenology · Physics 2025-10-02 Leonardo Bonino , Thomas Gehrmann , Markus Löchner , Kay Schönwald , Giovanni Stagnitto

A next-to-leading order (NLO) analysis of hadron-jet momentum correlations in p-p collisions at the LHC is carried out. We show that the inclusive charged hadron momentum distributions inside jets is a very sensitive observable which allows…

High Energy Physics - Phenomenology · Physics 2015-06-18 Francois Arleo , Michel Fontannaz , Jean-Philippe Guillet , Chi Linh Nguyen