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Based on the requirement in the simulation of lepton-nucleus deep inelastic scattering (DIS), we construct a fortran program LDCS 1.0 calculating the differential and total cross sections for the unpolarized charged lepton-unpolarized…

Nuclear Theory · Physics 2014-12-18 Xing-Long Li , Yu-Liang Yan , Xiao-Mei Li , Dai-Mei Zhou , Xu Cai , Ben-Hao Sa

The spin-dependent cross sections for semi-inclusive lepton-nucleon scattering are derived in the framework of collinear factorization, including the effects of masses of the target and produced hadron at finite momentum transfer squared…

High Energy Physics - Phenomenology · Physics 2015-10-28 J. V. Guerrero , J. J. Ethier , A. Accardi , S. W. Casper , W. Melnitchouk

We address novel features of deep inelastic lepton scattering on nuclei at small Bjorken variable $x_{Bj}$. In this regime the lepton-nuclear cross section involves the interference between the standard lepton-quark scattering amplitude for…

High Energy Physics - Phenomenology · Physics 2021-12-07 Stanley J. Brodsky , Valery E. Lyubovitskij , Ivan Schmidt

We study $eA$ scattering in a model where the total nuclear structure function is a convolution of components $W_N$ for an isolated nucleon and $W_{\NA}$ for a nucleus composed of point-nucleons. $W_N$ is represented by its elastic and…

Nuclear Theory · Physics 2009-10-28 A. S. Rinat , M. F. Taragin

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

Parton distributions can be defined in terms of the entropy of entanglement between the spatial region probed by deep inelastic scattering (DIS) and the rest of the proton. For very small $x$, the proton becomes a maximally entangled state.…

High Energy Physics - Phenomenology · Physics 2021-09-08 Dmitri E. Kharzeev , Eugene Levin

We derive mass corrections for semi-inclusive deep inelastic scattering of leptons from nucleons using a collinear factorization framework which incorporates the initial state mass of the target nucleon and the final state mass of the…

High Energy Physics - Phenomenology · Physics 2014-11-20 A. Accardi , T. Hobbs , W. Melnitchouk

Recent measurements from the HERMES and SMC collaborations show a remarkably large azimuthal single-spin asymmetries A_{UL} and A_{UT} of the proton in semi-inclusive pion leptoproduction. We show that final-state interactions from gluon…

High Energy Physics - Phenomenology · Physics 2008-11-26 Stanley J. Brodsky , Dae Sung Hwang , Ivan Schmidt

Parton distributions given by deep inelastic lepton scattering (DIS) are not equal to the probabilities of finding those partons in the parent wave function. Soft rescattering of the struck parton within the coherence length of the hard…

High Energy Physics - Phenomenology · Physics 2009-11-07 Paul Hoyer

The results of recent phenomenological studies of unpolarized nuclear deep-inelastic scattering are discussed and applied to calculate neutrino charged-current structure functions and cross sections for a number of nuclei.

High Energy Physics - Phenomenology · Physics 2014-11-18 S. A. Kulagin , R. Petti

Two promising directions beyond inclusive deep inelastic scattering experiments, aimed at unveiling the three dimensional structure of the bound nucleon, are reviewed, considering in particular the $^3$He nucleus. The 3D structure in…

High momentum transfer electrodisintegration of polarized and unpolarized deuterium targets, $d(e,e'p)n$ is studied. We show that the importance of final state interactions-FSI, occuring when a knocked out nucleon interacts with the other…

Nuclear Theory · Physics 2010-11-01 L. L. Frankfurt , W. R. Greenberg , G. A. Miller , M. M. Sargsyan , M. I. Strikman

The cross section for deep inelastic lepton-proton scattering (DIS) $\ell p \to \ell' X$ includes a diffractive deep inelastic (DDIS) contribution $\ell p \to \ell' p' X$, in which the proton remains intact with a large longitudinal…

High Energy Physics - Phenomenology · Physics 2021-12-06 Stanley J. Brodsky , Valery E. Lyubovitskij , Ivan Schmidt

After reviewing our microscopic approach to nuclear and neutron-rich matter, we focus on how nucleon-nucleon scattering is impacted by the presence of a dense hadronic medium, with special emphasis on the case where neutron and proton…

Nuclear Theory · Physics 2015-06-16 Francesca Sammarruca

We investigate hadron formation in deep inelastic lepton scattering on N, Kr and Xe nuclei in the kinematic regime of the HERMES experiment. The elementary electron-nucleon interaction is described within the event generator PYTHIA while a…

Nuclear Theory · Physics 2009-11-10 T. Falter , W. Cassing , K. Gallmeister , U. Mosel

We present a model for electron- and neutrino-scattering off nucleons and nuclei focussing on the quasielastic and resonance region. The lepton-nucleon reaction is described within a relativistic formalism that includes, besides…

Nuclear Theory · Physics 2009-04-03 T. Leitner , O. Buss , L. Alvarez-Ruso , U. Mosel

We review a semi-microscopic model of nuclear parton distributions, which takes into account a number of nuclear effects including Fermi motion and nuclear binding, nuclear meson-exchange currents and off-shell corrections to bound nucleon…

High Energy Physics - Phenomenology · Physics 2016-12-21 S. A. Kulagin

We argue that the suppression of high p_t hadrons discovered recently in heavy ion collisions at RHIC may be a consequence of saturation in the Color Glass Condensate. We qualitatively and semi-quantitatively describe the data, in…

High Energy Physics - Phenomenology · Physics 2014-11-17 D. Kharzeev , E. Levin , L. McLerran

The analysis of the grey tracks produced in Deep Inelastic Scattering (DIS) off nuclei provides important information on the space-time development of hadronization in nuclear medium. This method is complementary to the measurement of…

High Energy Physics - Phenomenology · Physics 2009-11-10 C. Ciofi degli Atti , B. Z. Kopeliovich

The determination of the parton distribution functions (PDFs) is crucial for a complete understanding of the protons and neutrons that make most of the visible matter in the universe. Years of dedicated studies have yielded a quite precise…

High Energy Physics - Phenomenology · Physics 2018-10-02 Pia Zurita