Correlations between jet-quenching observables at energies available at the BNL Relativistic Heavy Ion Collider

Journal Article · Thu Sep 15 00:00:00 EDT 2011 · Physical Review. C, Nuclear Physics

DOI:https://doi.org/10.1103/PHYSREVC.84.034904· OSTI ID:21596773

Jiangyong, Jia ^[1]; Horowitz, W A ^[2]; Jinfeng, Liao ^[3]

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1. Department of Chemistry, Stony Brook University, Stony Brook, New York 11794 (United States)
2. Department of Physics, University of Cape Town, Private Bag X3, Rondebosch 7701 (South Africa)
3. Physics Department, Brookhaven National Laboratory, Upton, New York 11796 (United States)

Focusing on four types of correlation plots, R{sub AA} versus v{sub 2}, R{sub AA} versus I{sub AA}, I{sub AA} versus v{sub 2}{sup I{sub AA}}, and v{sub 2} versus v{sub 2}{sup I{sub AA}}, we demonstrate how the centrality dependence of correlations between multiple jet quenching observables provide valuable insight into the energy loss mechanism in a quark-gluon plasma. In particular, we find that a qualitative energy loss model gives a good description of R{sub AA} versus v{sub 2} only when we take {Delta}E{approx}l{sup 3} and a medium geometry generated by a model of the color glass condensate. This same {Delta}E{approx}l{sup 3} model also qualitatively describes the trigger p{sub T} dependence of R{sub AA} versus I{sub AA} data and makes novel predictions for the centrality dependence for this R{sub AA} versus I{sub AA} correlation. Current data suggest, albeit with extremely large uncertainty, that v{sub 2}{sup I{sub AA}}>>v{sub 2}, a correlation that is difficult to reproduce in current energy loss models.

• OSTI ID: 21596773
• Journal Information: Physical Review. C, Nuclear Physics, Vol. 84, Issue 3; Other Information: DOI: 10.1103/PhysRevC.84.034904; (c) 2011 American Institute of Physics; Country of input: International Atomic Energy Agency (IAEA); ISSN 0556-2813
• Country of Publication: United States
• Language: English

Related Subjects

72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS
BNL
BROOKHAVEN RHIC
COLOR MODEL
CONDENSATES
CORRELATIONS
ENERGY LOSSES
FORECASTING
QUARK MATTER
QUENCHING
ACCELERATORS
COMPOSITE MODELS
HEAVY ION ACCELERATORS
LOSSES
MATHEMATICAL MODELS
MATTER
NATIONAL ORGANIZATIONS
PARTICLE MODELS
QUARK MODEL
STORAGE RINGS
US AEC
US DOE
US ERDA
US ORGANIZATIONS