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We calculate the Drell-Yan cross section, resolving the full kinematics of the lepton pair, at high transverse momentum for hadron nucleus collisions. We use the general framework of Luo, Qiu and Sterman to calculate double scattering…

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

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

Data for Drell-Yan (DY) processes on nuclei are currently available from fixed target experiments up to the highest energy of $\sqrt{s}=40\GeV$. The bulk of the data cover the range of short coherence length, where the amplitudes of the DY…

High Energy Physics - Phenomenology · Physics 2008-11-26 M. B. Johnson , B. Z. Kopeliovich , M. J. Leitch , P. L. McGaughey , J. M. Moss , I. K. Potashnikova , Ivan Schmidt

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

Forward Drell-Yan process at the LHC probes the proton structure at very small Bjorken-$x$ and moderate hard scales. In this kinematical domain higher twist effects may be significant and introduce sizeable corrections to the standard…

High Energy Physics - Phenomenology · Physics 2015-06-04 Leszek Motyka , Mariusz Sadzikowski , Tomasz Stebel

We present the nuclear transverse momentum broadening for Drell-Yan lepton pair production in p+A collisions at next-to-leading order (NLO) in powers of strong coupling constant $\alpha_s$. We verify that the transverse momentum weighted…

High Energy Physics - Phenomenology · Physics 2016-11-02 Zhong-Bo Kang , Jian-Wei Qiu , Xin-Nian Wang , Hongxi Xing

We calculate nuclear effect in Drell-Yan massive lepton-pair production in terms of parton multiple scattering in Quantum Chromodynamics (QCD). We present the nuclear modification to inclusive Drell-Yan cross section $d\sigma/dQ^2$ in terms…

High Energy Physics - Phenomenology · Physics 2009-11-07 Jianwei Qiu , Xiaofei Zhang

Partonic cross sections for the production of massive objects in hadronic collisions receive large corrections when the invariant mass of the initial-state partons is just above the production threshold. Since typically the center-of-mass…

High Energy Physics - Phenomenology · Physics 2009-04-17 Thomas Becher , Matthias Neubert , Gang Xu

We present a study of the Drell-Yan process in pion-proton collisions including next-to-leading-logarithmic threshold-resummed contributions. We analyze rapidity-integrated as well as rapidity-differential cross sections in the kinematic…

High Energy Physics - Phenomenology · Physics 2011-06-24 Matthias Aicher , Andreas Schäfer , Werner Vogelsang

Using the Drell-Yan process in hadron-nucleus collisions and deeply inelastic lepton-nucleus scattering (DIS) as examples, I show that the transverse momentum broadening can be expressed in terms of four-parton correlation functions. I…

High Energy Physics - Phenomenology · Physics 2007-05-23 Xiaofeng Guo

We present a twist expansion of differential cross-sections of the forward Drell-Yan process at the high energies. The expansion of all invariant form-factors is performed assuming GBW saturation model and the saturation scale plays the…

High Energy Physics - Phenomenology · Physics 2016-02-22 Tomasz Stebel , Leszek Motyka , Mariusz Sadzikowski

We present a new resummation formula for the Drell-Yan cross section. The formal resummation of threshold corrections in Drell-Yan hard-scattering functions produces an exponent with singularities from the infrared pole of the QCD running…

High Energy Physics - Phenomenology · Physics 2014-11-17 Harry Contopanagos , George Sterman

We show that the well-known divergence of the perturbative expansion of resummed results for processes such as deep-inelastic scattering and Drell-Yan in the soft limit can be treated by Borel resummation. The divergence in the Borel…

High Energy Physics - Phenomenology · Physics 2008-11-26 Stefano Forte , Giovanni Ridolfi , Joan Rojo , Maria Ubiali

Multiple scattering leads to transverse momentum broadening of the struck quark in semi-inclusive deeply inelastic scatterings (SIDIS). Nuclear broadening of the transverse momentum squared at the leading twist is determined by the…

High Energy Physics - Phenomenology · Physics 2015-06-23 Jia Jun Zhang , Jian-Hua Gao , Xin-Nian Wang

We derive a new factorization formula in perturbative quantum chromodynamics for the Drell-Yan massive lepton-pair cross section as a function of the transverse momentum $Q_T$ of the pair. When $Q_T$ is much larger than the pair's invariant…

High Energy Physics - Phenomenology · Physics 2009-11-07 Edmond L. Berger , Jianwei Qiu , Xiaofei Zhang

We study Drell-Yan (DY) dilepton production in proton(deuterium)-nucleus and in nucleus-nucleus collisions within the light-cone color dipole formalism. This approach is especially suitable for predicting nuclear effects in the DY cross…

High Energy Physics - Phenomenology · Physics 2008-11-26 B. Z. Kopeliovich , J. Raufeisen , A. V. Tarasov , M. B. Johnson

In this article, we discuss about the Drell-Yan process focusing on the computation of radiative corrections for vector boson production. First, we describe the $q_T$-resummation formalism and its application to obtain higher-order QCD…

High Energy Physics - Phenomenology · Physics 2019-08-07 German F. R. Sborlini

The Drell-Yan process provides important information on the internal structure of hadrons including transverse momentum dependent parton distribution functions (TMDs). In this work we present calculations for all leading twist structure…

High Energy Physics - Phenomenology · Physics 2021-02-24 S. Bastami , L. Gamberg , B. Parsamyan , B. Pasquini , A. Prokudin , P. Schweitzer

Transverse momentum broadening of fast partons propagating through a large nucleus is proportional to the average color field strength in the nucleus. In this work, the corresponding coefficient is determined in three different frameworks,…

High Energy Physics - Phenomenology · Physics 2008-11-26 J. Raufeisen

The longitudinally polarized Drell-Yan process is one of most powerful tools to probe the structure of hadrons. By means of the recent formalism of the polarized proton-deuteron(pd) Drell-Yan, we calculate the ratio of the proton-deuteron…

High Energy Physics - Phenomenology · Physics 2010-01-15 Chun-Gui Duan , Li-Jie Shi , Peng-Nian Shen , Guang-Lie Li
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