Nuclear Effects on Heavy Boson Production at RHIC and LHC

Abstract

We predict W and Z transverse momentum distributions from proton-proton and nuclear collisions at RHIC and LHC. A resummation formalism with power corrections to the renormalization group equations is used. The dependence of the resummed QCD results on the non-perturbative input is very weak for the systems considered. Shadowing effects are discussed and found to be unimportant at RHIC, but important for LHC. We study the enhancement of power corrections due to multiple scattering in nuclear collisions and numerically illustrate the weak effects of the dependence on the nuclear mass.

21 pages, 11 figures

References in corpus (8)

• Multiplicity distribution and spectra of negatively charged hadrons in Au+Au collisions at sqrt(s_nn) = 130 GeV
• Determination of nuclear parton distributions
• Role of the nonperturbative input in QCD resummed Drell-Yan $Q_T$-distributions
• High-p_T pion and kaon production in relativistic nuclear collisions
• Parton Energy Loss with Detailed Balance
• QCD prediction for heavy boson transverse momentum distributions
• Neutral Pion Distributions in PHENIX at RHIC
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Cited by in corpus (5)

• Nuclear parton distribution functions and their uncertainties
• Measuring gluon shadowing with prompt photons at RHIC and LHC
• Hard probes in heavy ion collisions at the LHC: PDFs, shadowing and $pA$ collisions
• Z Production as a Test of Nuclear Effects at the LHC
• Full transverse-momentum spectra of low-mass Drell-Yan pairs at LHC energies