نتایج جستجو برای: gluon plasma

تعداد نتایج: 362340  

2008
M. Rosati

The primary goal of the PHENIX collaboration is the detection and characterization of the quark-gluon plasma. One of the proposed signatures of the quark-gluon plasma is the suppression of J/ production 1. We will outline the capabilities of the PHENIX experiment for measuring leptonic decays of the J/ and other quarkonium states.

2004
Atsushi Nakamura Sunao Sakai

Transport coefficients of gluon plasma are calculated for a SU(3) pure gauge model by lattice QCD simulations on 163×8 and 243×8 lattices. Simulations are carried out at a slightly above the deconfinement transition temperature Tc, where a new state of matter is currently being pursued in RHIC experiments. Our results show that the ratio of the shear viscosity to the entropy is less than one an...

2004
Markus H. Thoma

The quark-gluon plasma close to the critical temperature is a strongly interacting system. Using strongly coupled, classical, non-relativistic plasmas as an analogy, we argue that the quark-gluon plasma is in the liquid phase. This allows to understand experimental observations in ultrarelativistic heavy-ion collisions and to interpret lattice QCD results. It also supports the indications of th...

2001
Grazyna Odyniec

While heavy ion collisions at the SPS have produced excited strongly interacting matter near the conditions for quark deconfinement, the RHIC may be the first machine capable of creating quark-antiquark plasmas sufficiently long-lived to allow deep penetration into the new phase. A comprehensive experimental program addressing this exciting physics has been put into place. Presented here are pr...

2012
Rakesh Kumar G. L. Sawhney

We study some theoretical aspects of strongly coupled quark gluon plasma, as a function of Coulomb coupling parameter Γ. We study the evaluation of dynamic properties of the BCS/BEC crossover in relativistic fluid. We also discuss some fluid dynamic aspects of the crossover at critical temperature. The shear viscosity is minimum near around the unitary limit. We have clarified the thermal fluct...

1998
Konstantin G. Zloshchastiev

The spherically symmetric thin shells of the quark-gluon plasma are considered within the framework of general relativity and bag model. The equation of state for two-dimensional plasma is suggested, and its features are discussed. The exact equations of motion of the quark-gluon plasma shells are obtained. Also we calculate the parameters of the equilibrium configurations, including the condit...

2005
Gerhard Soff Berndt Müller Jörg Ruppert

Abstract. We calculate the wake induced in a hot QCD plasma by a fast parton in the framework of linear response theory. We discuss two scenarios: (i) a weakly coupled quark-gluon plasma described by hard-thermal loop perturbation theory and (ii) a strongly coupled quark-gluon plasma which resembles a quantum liquid. We show that a Mach cone can appear in the second scenario, but not in the fir...

Journal: :Progress in Particle and Nuclear Physics 2004

Journal: :Brazilian Journal of Physics 2004

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