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Title: Color screening effects on hadronization in relativistic heavy ion collisions

Abstract

The effects of color screening on the hadronization of a parton plasma into a hadron gas are examined at the energies of the Relativistic Heavy Ion Collider. It is found to have the tendency to prevent hadronization, therefore delaying the conversion of the partons into a hadron gas. Because of the continual expansion, the resulting hadron gas number densities are lower when screening is included. This should reduce the hadronic noise to genuine signals of the quark-gluon plasma. In this sense, color screening is favorable and should be included in numerical models. In any case, we advocate that numerical models should allow the confining forces and color screening to act on each other so as to undergo the phase transition in a natural way. Hadronization is also shown to seriously disrupt parton equilibration and is yet another reason why full parton chemical equilibration should not be expected. (c) 2000 The American Physical Society.

Authors:
 [1]
  1. School of Physics and Astronomy, University of Minnesota, Minneapolis, Minnesota 55455 (United States)
Publication Date:
OSTI Identifier:
20216929
Resource Type:
Journal Article
Journal Name:
Physical Review. C, Nuclear Physics
Additional Journal Information:
Journal Volume: 61; Journal Issue: 6; Other Information: PBD: Jun 2000; Journal ID: ISSN 0556-2813
Country of Publication:
United States
Language:
English
Subject:
73 NUCLEAR PHYSICS AND RADIATION PHYSICS; HEAVY ION REACTIONS; PARTON MODEL; QUARK-GLUON INTERACTIONS; QUANTUM CHROMODYNAMICS; THEORETICAL DATA

Citation Formats

Wong, S. M. H. Color screening effects on hadronization in relativistic heavy ion collisions. United States: N. p., 2000. Web. doi:10.1103/PhysRevC.61.064903.
Wong, S. M. H. Color screening effects on hadronization in relativistic heavy ion collisions. United States. doi:10.1103/PhysRevC.61.064903.
Wong, S. M. H. Thu . "Color screening effects on hadronization in relativistic heavy ion collisions". United States. doi:10.1103/PhysRevC.61.064903.
@article{osti_20216929,
title = {Color screening effects on hadronization in relativistic heavy ion collisions},
author = {Wong, S. M. H.},
abstractNote = {The effects of color screening on the hadronization of a parton plasma into a hadron gas are examined at the energies of the Relativistic Heavy Ion Collider. It is found to have the tendency to prevent hadronization, therefore delaying the conversion of the partons into a hadron gas. Because of the continual expansion, the resulting hadron gas number densities are lower when screening is included. This should reduce the hadronic noise to genuine signals of the quark-gluon plasma. In this sense, color screening is favorable and should be included in numerical models. In any case, we advocate that numerical models should allow the confining forces and color screening to act on each other so as to undergo the phase transition in a natural way. Hadronization is also shown to seriously disrupt parton equilibration and is yet another reason why full parton chemical equilibration should not be expected. (c) 2000 The American Physical Society.},
doi = {10.1103/PhysRevC.61.064903},
journal = {Physical Review. C, Nuclear Physics},
issn = {0556-2813},
number = 6,
volume = 61,
place = {United States},
year = {2000},
month = {6}
}