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Related papers: On duality of Drell-Yan and J/psi production proce…

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We present a thorough investigation of the sources of uncertainties to the Drell-Yan production using state-of-the-art predictions for both neutral and charged current channels, focusing on the low invariant mass region. Differential…

High Energy Physics - Phenomenology · Physics 2026-02-05 Ekta Chaubey , Claude Duhr , Rhorry Gauld , Pooja Mukherjee

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

High Energy Physics - Phenomenology · Physics 2016-07-04 Antoni Szczurek , Wolfgang Schaefer

Modern analyses of experimental data from hadron colliders rely on theory predictions at high orders in perturbation theory and a variety of input settings. Interpolation grids facilitate an almost instant re-evaluation of theory…

High Energy Physics - Phenomenology · Physics 2025-01-24 Juan Cruz-Martinez , Alexander Huss , Christopher Schwan

We discuss the sensitivity of theoretical predictions of observables used in searches for new physics to parton distributions (PDFs) at large momentum fraction $x$. Specifically, we consider the neutral-current Drell-Yan production of gauge…

High Energy Physics - Phenomenology · Physics 2023-01-18 Richard D. Ball , Alessandro Candido , Stefano Forte , Felix Hekhorn , Emanuele R. Nocera , Juan Rojo , Christopher Schwan

Massive lepton-pair production, the Drell-Yan process, should be a good source of independent constraints on the gluon density, free from the experimental and theoretical complications of photon isolation that beset studies of prompt photon…

High Energy Physics - Phenomenology · Physics 2007-05-23 E. L. Berger , M. Klasen

The predictions of Drell-Yan production of low-mass, lepton-pairs, at high rapidity at the LHC, are known to depend sensitively on the choice of factorization and renormalization scales. We show how this sensitivity can be greatly reduced…

High Energy Physics - Phenomenology · Physics 2015-06-05 E. G. de Oliveira , A. D. Martin , M. G. Ryskin

The Drell-Yan process is a copious source of lepton pairs at high energy and is measured with great precision at the Large Hadron Collider (LHC). Barring any new light particles, beyond the Standard Model effects can be studied in Drell-Yan…

High Energy Physics - Phenomenology · Physics 2019-03-06 S. Dawson , P. P. Giardino , A. Ismail

The production of lepton pairs (Drell-Yan process) at the LHC is being measured to high precision, enabling the extraction of distributions that are triply differential in the di-lepton mass and rapidity as well as in the scattering angle…

High Energy Physics - Phenomenology · Physics 2023-08-09 A. Gehrmann-De Ridder , T. Gehrmann , E. W. N. Glover , A. Huss , C. T. Preuss , D. M. Walker

The Drell-Yan (DY) processes with unpolarized colliding hadrons and with the single transversally polarized hadron are considered. The possibility of direct (without any model assumptions) extraction of both transversity and its…

High Energy Physics - Phenomenology · Physics 2009-11-11 A. N. Sissakian , O. Yu. Shevchenko , A. P. Nagaytsev , O. N. Ivanov

The effects of parton energy loss in nuclear matter on the Drell-Yan process in pA and $\pi$A collisions at fixed-target energies are investigated. Calculations are based on the Baier-Dokshitzer-Mueller-Peign\'{e}-Schiff (BDMPS) framework…

High Energy Physics - Phenomenology · Physics 2019-02-20 François Arleo , Charles-Joseph Naïm , Stephane Platchkov

We analyze spin dependent parton distributions consistent with the most recent measurements of the spin dependent deep inelastic scattering structure functions and obtained in the framework of the spin dilution model. Predictions for the…

High Energy Physics - Phenomenology · Physics 2009-10-28 D. de Florian , L. N. Epele , H. Fanchiotti , C. A. Garcia Canal , R. Sassot

The Drell-Yan massive dilepton production in hadron-hadron collisions provides a unique tool, complementary to Deep Inelastic Scattering, for improving our understanding of hadronic substructure and in particular for testing parton…

High Energy Physics - Phenomenology · Physics 2016-03-15 Eduardo Basso , Claude Bourrely , Roman Pasechnik , Jacques Soffer

We have analyzed the data on $J/\psi$-to-Drell-Yan production cross section ratio in proton-nucleus ($p+A$) and nucleus-nucleus ($A+A$) collisions, measured by the NA50 collaboration in the SPS energy domain. Two component QVZ model has…

High Energy Physics - Phenomenology · Physics 2014-04-15 Partha Pratim Bhaduri , A. K. Chaudhuri , Subhasis Chattopadhyay

Despite the success of modern nuclear parton distribution functions (nPDFs) in describing nuclear hard-process data, they still suffer from large uncertainties. One of the poorly constrained features is the possible asymmetry in nuclear…

Nuclear Theory · Physics 2017-02-15 Petja Paakkinen , Kari J. Eskola , Hannu Paukkunen

It has been observed in the literature that measurements of low-mass Drell-Yan (DY) transverse momentum spectra at low center-of-mass energies $\sqrt{s}$ are not well described by perturbative QCD calculations in collinear factorization in…

An extensive phenomenological study of the Drell-Yan (DY) process in $pp$ collisions at various energies is performed in the color dipole framework. Besides previously studied $\gamma^*$ production we have also included the $Z^0$…

High Energy Physics - Phenomenology · Physics 2016-02-17 Eduardo Basso , Victor P. Goncalves , Jan Nemchik , Roman Pasechnik , Michal Sumbera

We study the Drell-Yan cross section differential with respect to the transverse momentum of the produced lepton pair. We consider data with moderate invariant mass Q of the lepton pair, between 4.5 GeV and 13.5 GeV, and similar (although…

High Energy Physics - Phenomenology · Physics 2019-07-31 Alessandro Bacchetta , Giuseppe Bozzi , Martin Lambertsen , Fulvio Piacenza , Julius Steiglechner , Werner Vogelsang

First, we show how to reduce the sensitivity of the NLO predictions of the Drell-Yan production of low-mass, lepton-pairs, at high rapidity, to the choice of factorization scale. In this way, observations of this process at the LHC can make…

High Energy Physics - Phenomenology · Physics 2015-06-12 A. D. Martin , E. G. de Oliveira , M. G. Ryskin

In the kinematical region where the center of mass energy is much larger than all other scales, the Drell-Yan process can be formulated in the target rest frame in terms of the same color dipole cross section as low Bjorken-x deep inelastic…

High Energy Physics - Phenomenology · Physics 2009-11-07 J. Raufeisen , J. -C. Peng , G. C. Nayak

Differential cross sections for the Drell-Yan process, including Z boson production, using the dimuon decay channel are measured in proton-lead (pPb) collisions at a nucleon-nucleon centre-of-mass energy of 8.16 TeV. A data sample recorded…

High Energy Physics - Experiment · Physics 2021-06-01 CMS Collaboration