Interacting color strings as the origin of the liquid behavior of the quark-gluon plasma

Interacting color strings as the origin of the liquid behavior of the quark-gluon plasma

We study the radial distribution function of the color sources (strings) formed in hadronic collisions and the requirements to obtain a liquid. As a repulsive interaction is needed, we incorporate a concentric core in the strings as well as the probability that a string allows core-core overlaps. We...

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Veröffentlicht in:Physical review. D 2021-05, Vol.103 (9), p.1, Article 094029
Hauptverfasser: Ramírez, J. E., Díaz, Bogar, Pajares, C.
Format: Artikel
Sprache:eng
Schlagworte:
Color
Distribution functions
Gluons
Phase transitions
Quark-gluon plasma
Quarks
Radial distribution
Strings
Transition temperature
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creator Ramírez, J. E.
Díaz, Bogar
Pajares, C.
description We study the radial distribution function of the color sources (strings) formed in hadronic collisions and the requirements to obtain a liquid. As a repulsive interaction is needed, we incorporate a concentric core in the strings as well as the probability that a string allows core-core overlaps. We find systems where the difference between the gas-liquid and confined-deconfined phase transition temperatures is small. This explains the experimentally observed liquid behavior of the quark-gluon plasma above the confined-deconfined transition temperature.
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subjects Color
Distribution functions
Gluons
Phase transitions
Quark-gluon plasma
Quarks
Radial distribution
Strings
Transition temperature
title Interacting color strings as the origin of the liquid behavior of the quark-gluon plasma
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