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We compute nuclear spin dependent structure functions using a dynamical model for bound nucleon densities and hence calculate nuclear modifications to asymmetries observed in recent doubly polarised deep inelastic scattering experiments. We…

High Energy Physics - Phenomenology · Physics 2009-10-28 D. Indumathi

A simple statistical model in terms of light-front kinematic variables is used to explain the nuclear EMC effect in the range $x \in [0.2,~0.7]$, which was constructed by us previously to calculate the parton distribution functions (PDFs)…

Nuclear Theory · Physics 2010-11-02 Yunhua Zhang , Lijing Shao , Bo-Qiang Ma

We construct a model for inelastic neutrino- and electron-nucleon scattering cross sections using effective leading order parton distribution functions with a new scaling variable $\xi_w$. Non-perturbative effects are well described using…

High Energy Physics - Phenomenology · Physics 2016-04-26 Arie Bodek , Un-Ki Yang

We calculate and resum a perturbative expansion of nuclear enhanced power corrections to the structure functions measured in deeply inelastic scattering of leptons on a nuclear target. Our results for the Bjorken $x$-, $Q^2$- and…

High Energy Physics - Phenomenology · Physics 2009-11-10 Jianwei Qiu , Ivan Vitev

We study nuclear effects in the $F^A_3(x)$ structure function in the deep inelastic neutrino reactions on iron by using a relativistic framework to describe the nucleon spectral functions in the nucleus. The results for the ratio…

Nuclear Theory · Physics 2008-11-26 M. Sajjad Athar , S. K. Singh , M. J. Vicente Vacas

We compare the nuclear corrections factors from neutrino deep-inelastic scattering (DIS) with the ones coming from a standard analysis of nuclear parton distribution functions (nPDF). We focus on a discrepancy between the most precise…

High Energy Physics - Phenomenology · Physics 2012-06-12 K. Kovarik

High-energy electron scattering is a clean and precise probe for measurements of hadronic and nuclear structure, with a key role in understanding the role of high-momentum nucleons (and quarks) in nuclei. Jefferson Lab has dramatically…

Nuclear Experiment · Physics 2022-03-08 John Arrington , Nadia Fomin , Axel Schmidt

The relation between diffraction in lepton-proton collisions and shadowing of nuclear structure functions which arises from Gribov inelastic shadowing, is described. A model realizing such relation, which produces a parameter-free…

High Energy Physics - Phenomenology · Physics 2009-11-10 J. L. Albacete , N. Armesto , A. Capella , A. B. Kaidalov , C. A. Salgado

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 estimate the energy losses in the case of deep-inelastic scattering on nuclear targets in terms of the effective change of the virtual photon energy. Our phenomenological results are in reasonable agreement with theoretical calculations.…

High Energy Physics - Phenomenology · Physics 2008-11-26 Ya. A. Berdnikov , M. M. Ryzhinskiy , Yu. M. Shabelski

Medium modification of dihadron fragmentation functions due to gluon bremsstrahlung induced by multiple partonic scattering is studied in both deep-inelastic scattering (DIS) off large nuclei and high-energy heavy-ion collisions within the…

Nuclear Theory · Physics 2008-11-26 A. Majumder , Enke Wang , Xin-Nian Wang

A systematic error in the extraction of $\sin^2 \theta_W$ from nuclear deep inelastic scattering of neutrinos and antineutrinos arises from higher-twist effects arising from nuclear shadowing. We explain that these effects cause a…

High Energy Physics - Experiment · Physics 2010-02-17 G. A. Miller , A. W. Thomas

Electromagnetic structure functions for electron-proton scattering are used as a test of the QCD improved parton model at low and moderate Q. Two parameterizations which work well in ep scattering at low Q are used to evaluate the inelastic…

High Energy Physics - Phenomenology · Physics 2008-11-26 M. H. Reno

We present the results of our calculation which has been performed to study the nuclear effects in the quasielastic, inelastic and deep inelastic scattering of neutrinos(antineutrinos) from nuclear targets. These calculations are done in…

Nuclear Theory · Physics 2008-08-12 M. Sajjad Athar , S. Chauhan , S. K. Singh , M. J. Vicente Vacas

It is usually assumed -- following the parton model -- that the leading-twist structure functions measured in deep inelastic lepton-proton scattering are simply the probability distributions for finding quarks and gluons in the target…

High Energy Physics - Phenomenology · Physics 2009-09-11 S. J. Brodsky

We present the first results of a new global next-to-leading order analysis of spin-dependent parton distribution functions from the most recent world data on inclusive polarized deep-inelastic scattering, focusing in particular on the…

High Energy Physics - Phenomenology · Physics 2014-03-05 P. Jimenez-Delgado , A. Accardi , W. Melnitchouk

We present recent progress on the study of the deep inelastic structure of nuclei that improves our current understanding of the mechanisms of nuclear modifications of parton distribution functions.

High Energy Physics - Phenomenology · Physics 2007-05-23 Simonetta Liuti

The nuclear response functions for high energy electron scattering were calculated in the wide region of excitation energy. The three typical regions were studied: the quasi-elastic region, the $\Delta$-excitation region and the…

Nuclear Theory · Physics 2009-10-30 Valeriya Gadiyak , Vladimir Dmitriev

Medium modification of parton fragmentation functions induced by multiple scattering and gluon bremsstrahlung is shown to describe the recent HERMES data in deeply inelastic scattering (DIS) very well, providing the first evidence of…

High Energy Physics - Phenomenology · Physics 2014-11-17 Enke Wang , Xin-Nian Wang

We present a short overview on the studies of transverse momentum dependent parton distribution functions of the nucleon. The aim of such studies is to provide a three dimensional imagining of the nucleon and a comprehensive description of…

High Energy Physics - Phenomenology · Physics 2015-06-25 Kai-bao Chen , Shu-yi Wei , Zuo-tang Liang