Zobrazeno 1 - 10
of 115
pro vyhledávání: '"Mustafa, M. G."'
We consider the effect of the stochastic color field fluctuations in addition to the collisional as well as the radiative energy losses in the propagation of charm quarks in the hot and dense deconfined medium of quarks and gluons created in ultra-re
Externí odkaz:
http://arxiv.org/abs/1902.06989
Publikováno v:
Indian J.Phys.85:873-877,2011
We calculate radiative and collisional energy loss of hard partons traversing the quark-gluon plasma created at RHIC and compare the respective size of these contributions. We employ the AMY formalism for radiative energy loss and include additionall
Externí odkaz:
http://arxiv.org/abs/0805.4594
Temporal meson correlators and their spectral functions are calculated in the deconfined phase using the hard thermal loop resummation technique. The spectral functions exhibit strong medium effects coming from the hard thermal loop approximation for
Externí odkaz:
http://arxiv.org/abs/hep-ph/0009123
Publikováno v:
Phys.Lett. B497 (2001) 249-258
We calculate temporal correlators and their spectral functions with meson quantum numbers in the deconfined phase of QCD using the hard thermal loop (HTL) approximation for the quark propagator. Although this approach does not result in a complete ne
Externí odkaz:
http://arxiv.org/abs/hep-ph/0007093
Publikováno v:
Phys.Lett.B472:402-407,2000
We evaluate the quark-photon vertex non-perturbatively taking into account the gluon condensate at finite temperature. This vertex is related to the previously derived effective quark propagator by a QED like Ward-Takahashi identity. The importance o
Externí odkaz:
http://arxiv.org/abs/hep-ph/9911398
Autor:
Mustafa, M. G., Sch"afer, A., Thoma, M. H.
Publikováno v:
Nucl.Phys. A661 (1999) 653-656
A calculation of the thermal quark propagator is presented taking the gluon condensate above the critical temperature into account. The quark dispersion relation and the dilepton production following from this propagator are derived.
Comment: 4
Comment: 4
Externí odkaz:
http://arxiv.org/abs/hep-ph/9906391
Publikováno v:
Int.J.Mod.Phys. E9 (2000) 149-155
At $ T = 0 $ the surface tension $ \sigma ^{1/3} $ in the MIT bag model for a single hadron is known to be negligible as compared to the bag pressure $ B^{1/4}$. We show that at finite temperature it has a substantial value of 50 - 70 MeV which also
Externí odkaz:
http://arxiv.org/abs/hep-ph/9806300
Publikováno v:
Eur.Phys.J.C5:711-718,1998
Consequences of the constraint of SU(3) colour singletness of quark-gluon plasma are studied. This restriction increases the free energy barrier for the formation of hadronic bubble in supercooled phase and influences significantly the dynamics of th
Externí odkaz:
http://arxiv.org/abs/nucl-th/9712014
Publikováno v:
Phys.Lett.B428:234-240,1998
We estimate the radiative energy-loss of heavy quarks, produced from the initial fusion of partons, while propagating in a quark-gluon plasma which may be formed in the wake of relativistic heavy ion collisions. We find that the radiative energy-loss
Externí odkaz:
http://arxiv.org/abs/nucl-th/9711059
Expanding Quark-Gluon Plasmas: Transverse Flow, Chemical Equilibration and Electromagnetic Radiation
Publikováno v:
Phys.Rev.C56:1064-1074,1997
We investigate the chemical equilibration of the parton distributions in collisions of two heavy nuclei. We use initial conditions obtained from a self-screened parton cascade calculation and, for comparison, from the HIJING model. We consider a one-
Externí odkaz:
http://arxiv.org/abs/nucl-th/9611041