English
Related papers

Related papers: Suppressed Drell-Yan process by an external magnet…

200 papers

We report on the results obtained in the study of the parton saturation effects, taken into account through the multiscattering Glauber-Mueller approach, applied to the Drell-Yan (DY) process described in the color dipole picture. As a main…

High Energy Physics - Phenomenology · Physics 2017-08-23 M. A. Betemps , M. B. Gay Ducati , M. V. T. Machado

The Drell-Yan process is analyzed in soft-collinear effective theory near the end-point region. It is assumed that the relevant final-state hadron energy $Q(1-z)$ where $z$ is the momentum fraction transferred to the virtual photon is the…

High Energy Physics - Phenomenology · Physics 2008-11-26 Jong-Phil Lee

Various QCD tests using recent results from fixed-target dimuon production experiments at Fermilab are discussed. We emphasize that clear evidence for scaling-violation in the Drell-Yan process remains to be established. Further…

High Energy Physics - Phenomenology · Physics 2010-12-13 Jen-Chieh Peng

Single diffractive Drell-Yan reaction in hadron-hadron collisions is considered as an important source of information on the properties of soft QCD interactions. In particular, it provides an access to the dynamics of the QCD factorisation…

High Energy Physics - Phenomenology · Physics 2015-03-19 Roman Pasechnik , Boris Kopeliovich

We evaluate several basic electrodynamic processes as modified by the presence of a very strong magnetic field, exceeding $B_{\rm Q} \equiv m^2/e = 4.4\times 10^{13}$ G. These results are needed to build models of dissipative phenomena…

High Energy Astrophysical Phenomena · Physics 2020-03-31 Alexander Kostenko , Christopher Thompson

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

According to extensive theoretical studies of the high energy limit of QCD, inelastic interactions are dominated by the multi-Regge final states. The appropriate gauge-invariant objects, which simultaneously incorporate the transverse…

High Energy Physics - Phenomenology · Physics 2013-04-22 M. A. Nefedov , N. N. Nikolaev , V. A. Saleev

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

This study focuses on the multiple parton scattering theory as a background for the new measurement of the inclusive cross section of the vector boson pair production at the LHC energies. The process under study is the double Drell-Yan…

High Energy Physics - Experiment · Physics 2011-09-08 Miroslav Myska

We review the development in the field of lepton pair production since proposing parton-antiparton annihilation as the mechanism of massive lepton pair production. The basic physical picture of the Drell-Yan model has survived the test of…

High Energy Physics - Phenomenology · Physics 2007-05-23 T-M. Yan

The production of high invariant mass opposite sign lepton pairs in proton-proton collisions at the LHC is dominated by the Drell-Yan process. In addition to this photon or Z exchange mediated mechanism, gamma-gamma collisions, where…

High Energy Physics - Phenomenology · Physics 2016-06-03 Dimitri Bourilkov

Born differential cross sections and the lowest-order radiative correction to them are obtained in the kinematics of large-angle final photons emission in high-energy electron-positron annihilation processes. Taking into account possible…

High Energy Physics - Phenomenology · Physics 2009-04-30 E. Bartos , S. Bakmaev , E. A. Kuraev , M. G. Shatnev , M. Secansky

We study the impact of parton correlations on the double Drell-Yan process, i.e. on the production of two electroweak gauge bosons by double parton scattering in a single proton-proton collision. Spin correlations between two partons in a…

High Energy Physics - Phenomenology · Physics 2013-01-23 Tomas Kasemets , Markus Diehl

The high-energy tails of charged- and neutral-current Drell-Yan processes provide important constraints on the light quark and anti-quark parton distribution functions (PDFs) in the large-x region. At the same time, short-distance new…

High Energy Physics - Phenomenology · Physics 2021-08-04 Admir Greljo , Shayan Iranipour , Zahari Kassabov , Maeve Madigan , James Moore , Juan Rojo , Maria Ubiali , Cameron Voisey

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

Predictions for Drell--Yan lepton pair production at low dilepton mass and small x at the LHC usually have a large scale dependence. This can be decreased by determining an "optimal factorization scale". In this paper, we reduce this scale…

High Energy Physics - Phenomenology · Physics 2020-04-15 M. Kendi Yamasaki , Emmanuel G. de Oliveira

We consider the Drell-Yan processes $pp \to \ell \ell^{(\prime)}$ and $pp\to \ell \bar{\nu}$ at high-$p_T$ as probes of New Physics effects in semileptonic transitions. For this purpose, we describe the $2\to2$ scattering amplitudes in…

High Energy Physics - Phenomenology · Physics 2022-07-26 Darius A. Faroughy

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 2016-04-20 Wolfgang Schäfer , Antoni Szczurek

The cross section for Drell-Yan pair production in the limit of small $x$-target is derived in the rest frame of the target hadron. Our calculation is based on the fundamental quantity $\sigma(\rho)$, the cross section for the scattering of…

High Energy Physics - Phenomenology · Physics 2009-02-20 S. J. Brodsky , A. Hebecker , E. Quack

The production of dileptons with an invariant mass in the range 1 GeV < M < 5 GeV provides unique insight into the approach to thermal equilibrium in ultrarelativistic nucleus-nucleus collisions. In this mass range, they are produced…

Nuclear Theory · Physics 2021-09-21 Maurice Coquet , Xiaojian Du , Jean-Yves Ollitrault , Soeren Schlichting , Michael Winn