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相关论文: Effects of shadowing on Drell-Yan dilepton product…

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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…

高能物理 - 唯象学 · 物理学 2008-11-26 B. Z. Kopeliovich , J. Raufeisen , A. V. Tarasov , M. B. Johnson

We suggest the measurement of Drell-Yan (DY) lepton pairs in p-Pb collisions at the LHC (sqrt(s)=5.02 TeV) in order to disentangle the relative contributions of shadowing and coherent energy loss in quarkonium production off nuclei. The…

高能物理 - 唯象学 · 物理学 2017-02-01 François Arleo , Stéphane Peigné

We compute cross sections for the Drell-Yan process in N--N collisions at next-to-leading order in $\alpha_s$. The mass, rapidity, transverse momentum, and angular dependence of these cross sections are presented. An estimate of higher…

高能物理 - 唯象学 · 物理学 2014-11-17 S. Gavin , R. Kauffman , S. Gupta , P. V. Ruuskanen , D. K. Srivastava , R. L. Thews

The Drell-Yan (DY) process of dilepton pair production off nuclei is not affected by final state interactions, energy loss or absorption. A detailed phenomenological study of this process is thus convenient for investigation of the onset of…

高能物理 - 唯象学 · 物理学 2016-06-01 Eduardo Basso , Victor P. Goncalves , Michal Krelina , Jan Nemchik , Roman Pasechnik

In heavy-ion collisions, $J/\psi$ and Drell-Yan production are expected to be affected by nuclear modifications to the free nucleon structure functions. If these modifications, known as shadowing, are proportional to the local nuclear…

高能物理 - 唯象学 · 物理学 2014-11-17 V. Emel'yanov , A. Khodinov , S. R. Klein , R. Vogt

In this work, we investigate production of Drell-Yan (DY) pairs in proton-nucleus collisions in kinematic regions where the corresponding coherence length does not exceed the nuclear radius, $R_A$, and the quantum coherence effects should…

高能物理 - 唯象学 · 物理学 2016-12-21 Victor P. Goncalves , Michal Krelina , Jan Nemchik , Roman Pasechnik

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…

高能物理 - 唯象学 · 物理学 2015-05-20 R. B. Neufeld , I. Vitev , B. W. Zhang

In this work, coherence effects in deep inelastic scattering (DIS) and in the Drell-Yan (DY) process off nuclei are investigated, in particular nuclear shadowing. The target rest frame and the color dipole formulation are employed. Multiple…

高能物理 - 唯象学 · 物理学 2007-05-23 J. Raufeisen

In the target rest frame and at high energies, Drell-Yan (DY) dilepton production looks like bremsstrahlung of massive photons, rather than parton annihilation. The projectile quark is decomposed into a series of Fock states. Configurations…

高能物理 - 唯象学 · 物理学 2009-11-07 J. Raufeisen

We consider Drell-Yan production and QCD-induced diphoton production and compute their rapidity distributions up to next-to-leading power (NLP) in the threshold variable. We give results for rapidity distributions of the Drell-Yan process…

高能物理 - 唯象学 · 物理学 2023-08-02 Robin van Bijleveld , Eric Laenen , Leonardo Vernazza , Guoxing Wang

Longitudinally polarized, unpolarized and forward-backward mass differential cross sections for Drell-Yan lepton-pair production by arbitrary vector bosons are calculated in next-to-leading order (NLO) QCD. Analytical results are presented…

高能物理 - 唯象学 · 物理学 2009-10-30 B. Kamal

A precise measurement of the ratios of the Drell-Yan cross section per nucleon for an 800 GeV/c proton beam incident on Be, Fe and W targets is reported. The behavior of the Drell-Yan ratios at small target parton momentum fraction is well…

The effect of shadowing on the early state of ultrarelativistic heavy ion collisions is investigated along with transverse energy and hard process production, specifically Drell-Yan, $J/\psi$, and $\Upsilon$ production. We choose several…

高能物理 - 唯象学 · 物理学 2014-11-17 V. Emel'yanov , A. Khodinov , S. R. Klein , R. Vogt

We present a detailed comparison of the fixed-order predictions computed by four publicly available computer codes for Drell-Yan processes at the LHC and Tevatron colliders. We point out that while there is agreement among the predictions…

高能物理 - 唯象学 · 物理学 2021-07-21 S. Alekhin , A. Kardos , S. Moch , Z. Trócsányi

We present the full next-to-next-to-leading order (NNLO) coefficient functions for the polarized cross section $d\Delta \sigma/dQ$ for the Drell-Yan process $p + p\to l^+l^- + 'X'$. Here $'X'$ denotes any inclusive hadronic state and $Q$…

高能物理 - 唯象学 · 物理学 2010-04-05 V. Ravindran , J. Smith , W. L. van Neerven

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…

高能物理 - 唯象学 · 物理学 2014-04-15 Partha Pratim Bhaduri , A. K. Chaudhuri , Subhasis Chattopadhyay

We study the nuclear parton distribution functions on the basis of our recently developed semi-microscopic model, which takes into account a number of nuclear effects including nuclear shadowing, Fermi motion and nuclear binding, nuclear…

高能物理 - 唯象学 · 物理学 2015-06-19 S. A. Kulagin , R. Petti

We analyze the role of nuclear modifications of parton distributions, notably, the nuclear shadowing and antishadowing corrections, in production of lepton pairs from decays of neutral electroweak gauge bosons in proton-lead and…

高能物理 - 唯象学 · 物理学 2015-06-12 Vadim Guzey , Marco Guzzi , Pavel M. Nadolsky , Mark Strikman , Bowen Wang

We present a detailed study of prompt photon production cross section in heavy-ion collisions in the central rapidity region at energy of $\sqrt{s}=5.5$ TeV, appropriate to LHC experiment. We include the next-to-leading order radiative…

高能物理 - 唯象学 · 物理学 2009-11-07 Jamal Jalilian-Marian , Kostas Orginos , Ina Sarcevic

We discuss the inclusive dilepton cross section for proton (quark)-nucleus collisions at high energies in the very forward rapidity region. Starting from the calculation in the quasi-classical approximation, we include low-x evolution…

高能物理 - 唯象学 · 物理学 2009-11-10 R. Baier , A. H. Mueller , D. Schiff
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