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Related papers: Universality-breaking effects in DIS and Drell-Yan

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High-energy neutral and charged Drell--Yan differential cross-section measurements are powerful probes of quark-lepton contact interactions that produce growing-with-energy effects. This paper provides theoretical predictions of the new…

High Energy Physics - Phenomenology · Physics 2021-03-03 Lorenzo Ricci , Riccardo Torre , Andrea Wulzer

We discuss the Drell-Yan production of dileptons at high energies in the forward rapidity region of proton-proton collisions in a hybrid high-energy approach. This approach uses unintegrated gluon distributions in one proton and collinear…

High Energy Physics - Phenomenology · Physics 2016-10-18 Wolfgang Schäfer , Antoni Szczurek

We predict the triple differential cross section of the unpolarized Drell-Yan process at sqrt(S)=6 GeV. The model incorporates primordial parton transverse momentum and quark off-shellness effects caused by the initial state interaction.

High Energy Physics - Phenomenology · Physics 2009-11-11 O. Linnyk , S. Leupold , U. Mosel

We use the Drell-Yan differential distribution dN_{DY}^{AB}/dE_T in high-energy nucleus-nucleus collisions to obtain a relation between the transverse energy E_T and the impact parameter b. Such a relation is then utilized to study the…

High Energy Physics - Phenomenology · Physics 2007-05-23 Cheuk-Yin Wong

We predict the triple differential cross section of the Drell-Yan process (pbar p -> l^+l^-X) in the kinematical regimes relevant for the upcoming PANDA experiment, using a model that accounts for quark virtuality as well as primordial…

High Energy Physics - Phenomenology · Physics 2008-11-26 O. Linnyk , K. Gallmeister , S. Leupold , U. Mosel

We present detailed analysis of the $T$-even lepton angular distribution in the Drell-Yan process including $\gamma/Z^0$ gauge boson exchange and using perturbative QCD based on the collinear factorization scheme at leading order in the…

High Energy Physics - Phenomenology · Physics 2024-10-29 Valery E. Lyubovitskij , Alexey S. Zhevlakov , Iurii A. Anikin

We present a measurement of the Drell-Yan cross section at high dielectron invariant mass using 120/pb of data collected in pbar-p collisions at sqrt(s) = 1.8 TeV by the D0 collaboration during 1992-96. No deviation from standard model…

High Energy Physics - Experiment · Physics 2016-08-31 B. Abbott

We present a computation of the inclusive Drell-Yan production cross-section in perturbative QCD to all orders in the limit of high partonic centre-of-mass energy. We compare our results to the fixed order NLO and NNLO results in MSbar…

High Energy Physics - Phenomenology · Physics 2009-06-05 Simone Marzani , Richard D. Ball

Disordered 2D chiral fermions provide an effective description of several materials including graphene and topological insulators. While previous analysis considered delta correlated disorder and no ultraviolet cut-offs, we consider here…

Disordered Systems and Neural Networks · Physics 2013-08-21 Vieri Mastropietro

Forward Drell-Yan process at the LHC is a sensitive tool for investigating higher twist effects in QCD. The expansion of all Drell-Yan structure functions is performed assuming GBW saturation model and the saturation scale plays the role of…

High Energy Physics - Phenomenology · Physics 2015-06-23 Tomasz Stebel , Leszek Motyka , Mariusz Sadzikowski

The exploration of the transverse spin structure of the nucleon by measuring spin (in)dependent azimuthal asymmetries in semi-inclusive DIS (SIDIS) and in Drell-Yan processes is one of the main objectives of the COMPASS experiment at CERN…

High Energy Physics - Experiment · Physics 2019-08-08 Bakur Parsamyan

We first review the general framework which enables one to resum high-energy logarithms in hadronic processes, both in the evolution of parton densities and in the coefficient functions. We then present an all-order calculation in…

High Energy Physics - Phenomenology · Physics 2010-11-26 Simone Marzani

Double scaling may be observed in the Drell-Yan process at the Tevatron and in the ALICE detector at the Large Hadron Collider in a window of masses. In the double scaling limit of the cross section, the higher order QCD corrections are…

High Energy Physics - Phenomenology · Physics 2009-10-31 Rahul Basu , Sourendu Gupta

The transverse-momentum spectrum of Drell-Yan lepton pairs at small $p_T$ probes non-perturbative QCD effects, including intrinsic partonic transverse momentum and initial-state soft-gluon radiation. The novel approach PDF2ISR is employed…

High Energy Physics - Phenomenology · Physics 2026-02-20 D. Subotić , H. Jung , A. V. Kotikov , N. Raičević

We investigate the information which could be obtained from Drell-Yan processes with sufficiently intense beams of charged kaons on isoscalar targets. It is found that combinations of $K^+$ and $K^-$ Drell-Yan measurements on isoscalar…

High Energy Physics - Phenomenology · Physics 2010-02-17 J. T. Londergan , G. Q. Liu , A. W. Thomas

We consider the leading twist $T$-odd contributions as the dominant source of the $\cos 2\phi$ azimuthal asymmetry in unpolarized $p\bar{p}\to \mu\mu^+ X$ dilepton production in Drell-Yan Scattering. This asymmetry contains information on…

High Energy Physics - Phenomenology · Physics 2010-10-27 Leonard P. Gamberg , Gary R. Goldstein

We calculate the gauge invariant Drell-Yan-like hadron tensors. In connection with new COMPASS results, we propose the single spin asymmetry which probes gluon poles together with chiral-odd and time-odd functions. The relevant pion…

High Energy Physics - Phenomenology · Physics 2017-07-05 I. V. Anikin , L. Szymanowski , O. V. Teryaev , N. Volchanskiy

A measurement of the underlying event (UE) activity in proton-proton collisions at a center-of-mass energy of 7 TeV is performed using Drell--Yan events in a data sample corresponding to an integrated luminosity of 2.2 inverse femtobarns,…

High Energy Physics - Experiment · Physics 2013-01-24 CMS Collaboration

Drell-Yan pair production is investigated. We reexamine a model where the quark momentum fraction is defined as the ratio of the corresponding light cone components of the quark and parent nucleon in a naive parton-model approach. It is…

High Energy Physics - Phenomenology · Physics 2010-04-06 Fabian Eichstaedt , Stefan Leupold , Ulrich Mosel

We study the Drell-Yan process $\pi N \rightarrow \mu^+ \mu^- X$ at large $x_F$ using perturbative QCD. A higher-twist mechanism suggested by Berger and Brodsky is known to qualitatively explain the observed $x_F$ dependence of the muon…

High Energy Physics - Phenomenology · Physics 2009-10-28 K. J. Eskola , P. Hoyer , M. Vänttinen , R. Vogt
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