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Title: Systematics of Global Observables in Cu+Cu and Au+Au Collisions at RHIC Energies

Charged particles produced in Cu+Cu collisions at {radical}(s{sub NN}) = 200 and 62.4 GeV have been measured in the PHOBOS experiment at RHIC. The comparison of the results for Cu+Cu and Au+Au for the most central collisions at the same energy reveals that the particle density per nucleon participant pair and the extended longitudinal scaling behavior are similar in both systems. This implies that for the most central events in symmetric nucleus-nucleus collisions the particle density per nucleon participant pair does not depend on the size of the two colliding nuclei but only on the collision energy. Also the extended longitudinal scaling seems independent of the colliding energy and species for central collisions. In addition, there is an overall factorization of dNch/d{eta} shapes as a function of collision centraliry between Au+Au and Cu+Cu collisions at the same energy.
Authors:
 [1]
  1. Chemistry Department, Brookhaven National Laboratory, Upton, NY 11973-5000 (United States)
Publication Date:
OSTI Identifier:
20875854
Resource Type:
Journal Article
Resource Relation:
Journal Name: AIP Conference Proceedings; Journal Volume: 842; Journal Issue: 1; Conference: 17. international conference on particles and nuclei, Santa Fe, NM (United States), 23-30 Oct 2005; Other Information: DOI: 10.1063/1.2220196; (c) 2006 American Institute of Physics; Country of input: International Atomic Energy Agency (IAEA)
Country of Publication:
United States
Language:
English
Subject:
72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS; BROOKHAVEN RHIC; CHARGED PARTICLES; COMPARATIVE EVALUATIONS; COPPER 63 REACTIONS; COPPER 63 TARGET; DENSITY; FACTORIZATION; GEV RANGE; GOLD 197 REACTIONS; GOLD 197 TARGET; MULTIPARTICLE SPECTROMETERS; MULTIPLE PRODUCTION; NUCLEONS; PARTICLE IDENTIFICATION