High-p_T Identified Hadron Production in Au+Au and Cu+Cu Collisions at RHIC-PHENIX

Conference · Mon Jan 01 00:00:00 EST 2007

OSTI ID:931215

Konno, M. ^[1]; Awes, Terry C ^[2]; Batsouli, Sotiria ^[3]; Cianciolo, Vince ^[2]; Efremenko, Yuri ^[3]; Read, Jr, Kenneth F ^[2]; Silvermyr, David O ^[2]; Sorensen, Soren P ^[4]; Stankus, Paul W ^[2]; Young, Glenn R ^[2]; Zhang, Chun ^[3]

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1. University of Tsukuba, Japan
2. ORNL
3. University of Tennessee, Knoxville (UTK) & Oak Ridge National Laboratory (ORNL)
4. University of Tennessee, Knoxville (UTK)

Particle-type dependences of hadron yield suppression/enhancement patterns, especially its difference between mesons and baryons, at intermediate p{sub T} (2-5 GeV/c) is one of the findings in heavy ion collisions at RHIC. A systematic study of identified hadron production was performed in Au+Au/Cu+Cu collisions at {radical}s{sub NN} = 62.4/200 GeV, to investigate the possible origins of this difference. In this paper, we show particle ratios, nuclear modification factors and their scaling properties.

• Research Organization: Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)
• Sponsoring Organization: USDOE Office of Science (SC)
• DOE Contract Number: DE-AC05-00OR22725
• OSTI ID: 931215
• Resource Relation: Conference: 19th International Conference on Ultra-Relativistic Nucleus-Nucleus Collisions: Quark Matter 2006, Shanghai, China, 20061114, 20061120
• Country of Publication: United States
• Language: English

Related Subjects

72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS
74 ATOMIC AND MOLECULAR PHYSICS
BARYONS
HADRONS
HEAVY IONS
MESONS
MODIFICATIONS
PRODUCTION
QUARK MATTER
COLLISIONS
GOLD
COPPER