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Related papers: Nuclear parton distributions and the Drell-Yan pro…

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The quantum statistical approach proposed more than one decade ago was used to determine the parton distributions for the proton by considering a large set of accurate Deep Inelastic Scattering experimental results. We propose to extend…

High Energy Physics - Phenomenology · Physics 2018-12-05 Claude Bourrely , Jacques Soffer

By means of two typical kinds of quark energy loss parametrization and the nuclear parton distributions determined only with lepton-nuclear deep inelastic scattering experimental data, a leading order analysis are performed on the…

High Energy Physics - Phenomenology · Physics 2015-05-13 Duan Chun-Gui , Liu Na

Nuclear modifications to the Drell-Yan dilepton production cross sections in p+A and A+A collisions in the leading twist approximation are caused by nuclear effects in the parton distributions of bound nucleons. For non-isoscalar nuclei,…

High Energy Physics - Phenomenology · Physics 2009-01-07 K. J. Eskola , V. J. Kolhinen , C. A. Salgado , R. L. Thews

The Drell-Yan massive lepton-pair production in hadronic collisions provides a unique tool complementary to the Deep-Inelastic Scattering for probing the partonic substructures in hadrons. We review key concepts, approximations, and…

High Energy Physics - Phenomenology · Physics 2015-06-18 Jen-Chieh Peng , Jian-Wei Qiu

The Drell-Yan process for proton incident on nuclei is an excellent place for deeply studying the parton propagation in a nucleus. By means of the nuclear parton distributions determined only with lepton-nuclear deep inelastic scattering…

High Energy Physics - Phenomenology · Physics 2021-06-14 Tian-Xing Bai , Chun-Gui Duan

We perform a next to leading order QCD global analysis of nuclear deep inelastic scattering and Drell-Yan data using the convolution approach to parameterize nuclear parton densities. We find both a significant improvement in the agreement…

High Energy Physics - Phenomenology · Physics 2008-11-26 D. de Florian , R. Sassot

We calculate the nuclear enhancement in the angular distribution of Drell-Yan pairs produced in proton-nucleus reactions. Nuclear effects are encoded in universal twist-4 parton correlation functions. We find that the Lam-Tung relation for…

High Energy Physics - Phenomenology · Physics 2008-11-26 R. J. Fries , B. Müller , A. Schäfer , E. Stein

In this paper, we study the parton dynamics in Drell-Yan collisions involving proton-nuclei interactions in the limit of small transverse momentum, emphasizing the role of the cold nuclear matter effects. The distribution of transverse…

High Energy Physics - Phenomenology · Physics 2024-08-21 Weiyao Ke , John Terry , Ivan Vitev

We calculate the nuclear enhancement in Drell-Yan transverse momentum distribution in hadron-nucleus collisions. In terms of multiple scattering picture, we compute the contributions from double scattering. Applying the generalized…

High Energy Physics - Phenomenology · Physics 2009-10-30 Xiaofeng Guo

We calculate the differential Drell-Yan production cross section in proton-nucleus collisions by including both next-to-leading order perturbative effects and effects of the nuclear medium. We demonstrate that dilepton production in fixed…

High Energy Physics - Phenomenology · Physics 2015-05-20 R. B. Neufeld , I. Vitev , B. W. Zhang

Pion-induced Drell-Yan processes are proposed as a potential tool to measure the flavor dependence of the EMC effect, that is, the flavor-dependent modification of quark distributions in the nuclear medium. Existing pionic Drell-Yan data…

Nuclear Experiment · Physics 2011-05-05 D. Dutta , J. -C. Peng , I. C. Cloet , D. Gaskell

We investigate effects of nuclear medium on antiquark distribution in nuclei applying the results of a recently developed relativistically-covariant self-consistent model for the pion and the isobar. We take into account Fermi motion…

Nuclear Theory · Physics 2015-06-12 C. L. Korpa , A. E. L. Dieperink

We present a thorough analysis of unpolarized Drell-Yan (DY) pair production in pion-nucleus scattering. On the nucleus side, we use nuclear parton distributions along with parametrisations of the nucleon partonic transverse distribution…

High Energy Physics - Phenomenology · Physics 2018-08-29 Federico Alberto Ceccopieri , Aurore Courtoy , Santiago Noguera , Sergio Scopetta

Within the framework of generalized collinear factorization in perturbative QCD (pQCD), we study the effect of initial multiple parton scattering and induced parton energy loss in Drell-Yan (DY) process in proton-nucleus collisions. We…

High Energy Physics - Phenomenology · Physics 2015-05-30 Hongxi Xing , Yun Guo , Enke Wang , Xin-Nian Wang

We present a new analysis of the E772 and E866 experiments on the nuclear dependence of Drell-Yan (DY) lepton pair production resulting from the bombardment of $^2H$, Be, C, Ca, Fe, and W targets by 800 GeV/c protons at Fermilab. We employ…

High Energy Physics - Phenomenology · Physics 2009-11-07 M. B. Johnson , B. Z. Kopeliovich , I. K. Potashnikova , P. L. McGaughey , J. M. Moss , J. C. Peng , G. Garvey , M. Leitch , C. N. Brown , D. M. Kaplan

We give a brief overview of nuclear parton distributions. First, the EMC effect is discussed together with possible interpretations such as nuclear binding and $Q^2$ rescaling. Next, we explain shadowing descriptions:…

High Energy Physics - Phenomenology · Physics 2007-05-23 S. Kumano

We present a new global QCD analysis of nuclear parton distribution functions and their uncertainties. In addition to the most commonly analyzed data sets for the deep-inelastic scattering of charged leptons off nuclei and Drell-Yan…

High Energy Physics - Phenomenology · Physics 2013-05-30 Daniel de Florian , Rodolfo Sassot , Marco Stratmann , Pia Zurita

The roles of the Drell-Yan experiments in studying the Transverse-Momentum-Dependent (TMD) parton distributions are discussed. Recent results from the Fermilab E866 experiment on the angular distributions of Drell-Yan dimuons in $p+p$ and…

Nuclear Experiment · Physics 2017-08-23 Jen-Chieh Peng

By means of the nuclear parton distributions determined without the fixed-target Drell-Yan experimental data and the analytic expression of quenching weight based on BDMPS formalism, a next-to-leading order analyses are performed on the…

High Energy Physics - Phenomenology · Physics 2023-02-10 Wei-Jie Xu , Tian-Xing Bai , Chun-Gui Duan

We analyse the proton-induced Drell-Yan production in both the flavor asymmetry and isospin breaking explanations for the violation of the Gottfried sum rule. Consequences from three different forms of corrections to the flavor and isospin…

High Energy Physics - Phenomenology · Physics 2009-10-28 Bo-Qiang Ma , Andreas Schaefer , Walter Greiner