Quark Number Scaling of {lower upsilon}₂ in Transverse Kinetic Energy and Its Implications for Coalescence Models

Journal Article · Mon Jan 01 00:00:00 EST 2007 · Physical Review C

OSTI ID:978746

Jia, Jiangyong ^[1]; Zhang, Chun ^[2]

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1. Columbia University
2. University of Tennessee, Knoxville (UTK) & Oak Ridge National Laboratory (ORNL)

We find that a simple extension of the coalescence model is sufficient to incorporate the perfect quark number scaling behavior of the elliptic flow in transverse kinetic energy, recently discovered by the PHENIX Collaboration. The flavor dependence of the elliptic flow can be consistently described in the low and intermediate p{sub T} if the transverse kinetic energy is conserved in the 2 {yields} 1 or 3 {yields} 1 parton coalescence process at the hadronization. Thus suggesting the quark coalescence as a possible hadronization mechanism at low p{sub T} as well.

• 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: 978746
• Journal Information: Physical Review C, Vol. 75, Issue 3
• Country of Publication: United States
• Language: English

Related Subjects

72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS
COALESCENCE
KINETIC ENERGY
QUARKS