منابع مشابه
Quarkonium Suppression
I discuss quarkonium suppression in equilibrated strongly interacting matter. After a brief review of basic features of quarkonium production I discuss the application of recent lattice data on the heavy quark potential to the problem of quarkonium dissociation as well as the problem of direct lattice determination of quarkonium properties in finite temperature lattice QCD.
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Modifications in the production pattern of heavy quark bound states have long been considered to provide sensitive signatures for the thermal properties of dense matter created in heavy ion collisions. The original concept of Matsui and Satz for quarkonium suppression as signature for deconfinement in heavy ion collisions has been challenged recently through lattice studies of spectral function...
متن کاملQuarkonium Feed - Down and Sequential Suppression
About 40-50 % of the quarkonium ground states J/ψ(1S) and Υ(1S) produced in hadronic collisions originate from the decay of higher excitations. In a hot medium, these higher states are dissociated at lower temperatures than the more tightly bound ground states, leading to a sequential suppression pattern. Using new finite temperature lattice results, we specify the in-medium potential between h...
متن کاملDecon nement, Color Screening and Quarkonium Suppression
The study of color decon nement in strongly interacting matter leads to challenging problems of theoretical as well as of more phenomenological nature. How does the transition from hadronic matter to a quark-gluon plasma take place is it a genuine phase transition or some less `singular' cross-over, and what are the basic properties of the new decon ned medium? In the chiral limit (mq = 0) and ...
متن کاملQuarkonium suppression as a probe of a saturated gluon plasma ?
A dense parton system is expected to be formed in the early stage of rel-ativistic heavy-ion collisions at RHIC energies and above. The probability of a quark gluon plasma production and the resulting strength of its signatures depends strongly on the initial conditions associated to the distributions of partons in the nuclear wave functions. At very high energies, the growth of parton distribu...
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ژورنال
عنوان ژورنال: Pramana
سال: 2003
ISSN: 0304-4289,0973-7111
DOI: 10.1007/bf02705178