Nuclear Shadowing and High-$p_T$ Hadron Spectra in Relativistic Heavy Ion Collisions

Abstract

We explore how nuclear modifications to the nucleon parton distributions affect production of high-$p_T$ hadrons in heavy ion collisions. We perform a leading order calculation of the high-$p_T$ charged pion, kaon and proton spectra using standard fragmentation functions and shadowing parameterizations. We also consider alternate models of shadowing. Near midrapidity, shadowing is a small effect and cannot explain the large observed suppression of high-$p_T$ hadrons. We also consider the isospin difference between protons and nuclei and find that it is also a small effect on high-$p_T$ hadron production.

12 pages with 3 figures

References in corpus (3)

• The Origin of Large-p_T pi^0 Suppression at RHIC
• Charged Hadron Spectra in PHENIX
• High $p_T$ Inclusive Charged Hadron Spectra from Au+Au Collisions at $\sqrt{s_{NN}}$ = 200 GeV

Cited by in corpus (7)

• Suppressed pi^0 Production at Large Transverse Momentum in Central Au+Au Collisions at sqrt(s_NN) = 200 GeV
• J/psi Production and Nuclear Effects for d+Au and p+p Collisions at sqrt(s_NN) = 200 GeV
• Hard Probes in Heavy Ion Collisions at the LHC: Jet Physics
• Finding the remnants of lost jets at RHIC
• Shadowing Effects on the Nuclear Suppression Factor, R_dAu, in d+Au Interactions
• Centrality and pseudorapidity dependence of charged hadron production at intermediate p_T in Au + Au collisions at sqrt(s_NN) = 130 GeV
• High p_T identified particles in PHENIX: data vs. theory