Charged hadron transverse momentum distributions in Au+Au collisions at √s__NN = 200 GeV

2002/12/20 by PHOBOS Collaboration, Gerrit Jan van Nieuwenhuizen, van Nieuwenhuizen, Gerrit J.
Mathematics · Physics and Astronomy · #FOS: Physical sciences #High-Energy Particle Collisions Research #Nuclear Experiment (nucl-ex) #Quantum Chromodynamics and Particle Interactions #Stochastic processes and statistical mechanics

paper · pdf · doi:10.48550/arxiv.nucl-ex/0212021

openalex publication_date 2002/12/20 · openalex created_date 2020/05/13 · openalex updated_date 2026/07/28

Abstract

We present transverse momentum distributions of charged hadrons produced in Au+Au collisions at √s__NN = 200 GeV. The evolution of the spectra for transverse momenta p_T from 0.25 to 5 GeV/C is studied as a function of collision centrality. We find a significant change of the spectral shape between proton-antiproton and peripheral Au+Au collisions. When comparing peripheral to central Au+Au collisions, we find that the yields at the highest p_T exhibit approximate scaling with the number of participating nucleons, rather than scaling with the number of binary collisions.

Related

• Charged particle distributions and nuclear modification at high rapidities in d+Au collisions at √s_NN = 200 GeV
• Transverse momentum spectra of identified charged hadrons with the ALICE detector in Pb--Pb collisions at √s_NN = 2.76 TeV
• Collision centrality and energy dependence of strange hadron production in Au + Au collisions at √s_NN= 7.7-54.4 GeV
• Measurements of identified particles at intermediate transverse momentum in the STAR experiment from Au+Au collisions at sqrts_NN=200 GeV
• First Results from PHENIX at RHIC