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$J/psi$ Gluonic Dissociation Revisited : I. Fugacity, Flux And Formation Time Effects | | B. K. Patra
; V. J. Menon
; | | Date: |
13 Dec 2003 | | Journal: | Eur.Phys.J. C37 (2004) 115-121 | | Subject: | nucl-th | | Abstract: | We revisit the standard treatment [Xu, Kharzeev, Satz and Wang, Phys. Rev. C {f 53}, 3051 (1996)] of $J/psi$ suppression due to gluonic bombardment in an equilibrating quark-gluon plasma. Effects arising from gluon fugacity, relative $g-psi$ flux, and $psi$ meson formation time are correctly incorporated in the formulation of the gluon number density, velocity-weighted cross section, and the survival probability. Our new formulae are applied to numerically study the pattern of $J/psi$ suppression in the central rapidity region at RHIC/LHC energies. The temperature and transverse momentum dependence of our graphs have noticeable differences from those of Xu et al. | | Source: | arXiv, nucl-th/0401025 | | Services: | Forum | Review | PDF | Favorites | |
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