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相关论文: The color dipole approach to the Drell-Yan process…

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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 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

At high energies, Drell-Yan (DY) dilepton production viewed in the target rest frame should be interpreted as bremsstrahlung and can be expressed in terms of the same color dipole cross section as DIS. We compute DY cross sections on a…

高能物理 - 唯象学 · 物理学 2009-10-31 B. Z. Kopeliovich , J. Raufeisen , A. V. Tarasov

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 $Z^0$…

高能物理 - 唯象学 · 物理学 2016-02-17 Eduardo Basso , Victor P. Goncalves , Jan Nemchik , Roman Pasechnik , Michal Sumbera

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

We investigate QCD coherence effects in deep inelastic scattering (DIS) off nuclei and in Drell-Yan (DY) dilepton production in proton-nucleus collisions within the light-cone color-dipole approach. The physical mechanisms underlying the…

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

We explore the mechanism of transverse momentum broadening of fast quarks propagating in nuclei, using Drell-Yan (DY) transverse momentum distributions measured in the experiment E866 at FermiLab with beams of 800 GeV protons. Our…

高能物理 - 唯象学 · 物理学 2008-11-26 M. B. Johnson , B. Z. Kopeliovich , Ivan Schmidt

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…

高能物理 - 唯象学 · 物理学 2009-11-07 J. Raufeisen , J. -C. Peng , G. C. Nayak

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

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

The cross section of the diffractive Drell-Yan (DY) process, pp->(l-lbar X)p, where the system (l-lbar X) is separated by a large rapidity gap from the recoil proton, is calculated in the light-cone dipole approach. This process reveals…

高能物理 - 唯象学 · 物理学 2013-05-29 B. Z. Kopeliovich , I. K. Potashnikova , I. Schmidt , A. B. Tarasov

Forward Drell-Yan production at high energy can provide important constraints on gluon densities at small $x$, in the saturation regime. In this work we focus on the nuclear modification of this process, which could be measured at the LHC…

高能物理 - 唯象学 · 物理学 2017-11-21 B. Ducloué

Drell-Yan dilepton pair production and inclusive direct photon production can be described within a unified framework in the color dipole approach. The inclusion of non-perturbative primordial transverse momenta and DGLAP evolution is…

高能物理 - 唯象学 · 物理学 2010-03-25 B. Z. Kopeliovich , A. H. Rezaeian , H. J. Pirner , Ivan Schmidt

We present results for the low mass Drell-Yan (DY) production in proton-proton collisions at the LHC in the color dipole formalism. The DY differential cross sections at 7 TeV as a function of dilepton rapidity, transverse momentum and…

高能物理 - 唯象学 · 物理学 2014-06-19 M. B. Gay Ducati , M. T. Griep , M. V. T. Machado

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

We study the influence of unitarity corrections on the Drell-Yan transverse momentum distribution within the color dipole approach. These unitarity corrections are implemented through the multiple scattering Glauber-Mueller approach, which…

高能物理 - 唯象学 · 物理学 2009-11-10 M. A. Betemps , M. B. Gay Ducati , M. V. T. Machado , J. Raufeisen

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…

高能物理 - 唯象学 · 物理学 2017-08-23 M. A. Betemps , M. B. Gay Ducati , M. V. T. Machado

We study the Drell-Yan production cross section and structure functions in proton (deuteron)-nucleus collisions using the Color Glass Condensate formalism. The nucleus is treated in the Color Glass Condensate framework which includes both…

高能物理 - 唯象学 · 物理学 2010-03-25 Francois Gelis , Jamal Jalilian-Marian

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…

高能物理 - 唯象学 · 物理学 2008-11-26 M. B. Johnson , B. Z. Kopeliovich , M. J. Leitch , P. L. McGaughey , J. M. Moss , I. K. Potashnikova , Ivan Schmidt

We show that particle production in proton-nucleus (pA) collisions in the Color Glass Condensate model can be related to Deep Inelastic Scattering of leptons on protons/nuclei (DIS). The common building block is the quark antiquark (or…

高能物理 - 唯象学 · 物理学 2011-01-25 F. Gelis , J. Jalilian-Marian
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