Thermal nature of charmonium transverse momentum spectra from Au-Au collisions at the highest energies available at the BNL Relativistic Heavy Ion Collider (RHIC)

Details Thermal nature of charmonium transverse momentum spectra from Au-Au collisions at the highest energies available at the BNL Relativistic Heavy Ion Collider (RHIC) Thermal nature of charmonium transverse momentum spectra from Au-Au collisions at the highest energies available at the BNL Relativistic Heavy Ion Collider (RHIC)

2009-06-19

arxiv.org/abs/0906.3712v3

Phys.Rev.C81:034912,2010

Physics

Nuclear Physics

Nuclear Theory

17 pages, 5 figures, minor corrections, to appear in Phys. Rev. C

Scientific paper

10.1103/PhysRevC.81.034912

We analyze the transverse momentum distribution of $J/\psi$ mesons produced in Au + Au collisions at the top RHIC energy within a blast-wave model that accounts for a possible inhomogeneity of the charmonium distribution and/or flow fluctuations. The results imply that the transverse momentum spectra of$J/\psi$, $\phi$ and $\Omega$ hadrons measured at the RHIC can be described well if kinetic freeze-out takes place just after chemical freeze-out for these particles.

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