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Titolo:
CLASSICAL GLUON RADIATION ULTRARELATIVISTIC NUCLEAR COLLISIONS - SPACE-TIME STRUCTURE, INSTABILITIES, AND THERMALIZATION
Autore:
MATINYAN SG; MULLER B; RISCHKE DH;
Indirizzi:
DUKE UNIV,DEPT PHYS,BOX 90305 DURHAM NC 27708 YEREVAN PHYS INST EREVAN 375036 ARMENIA
Titolo Testata:
Physical review. C. Nuclear physics
fascicolo: 4, volume: 57, anno: 1998,
pagine: 1927 - 1937
SICI:
0556-2813(1998)57:4<1927:CGRUNC>2.0.ZU;2-P
Fonte:
ISI
Lingua:
ENG
Soggetto:
HEAVY-ION COLLISIONS; TRANSVERSE-MOMENTUM; QUARK; PLASMA; MINIJET; FIELD; CONDUCTIVITY; DYNAMICS;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Science Citation Index Expanded
Citazioni:
38
Recensione:
Indirizzi per estratti:
Citazione:
S.G. Matinyan et al., "CLASSICAL GLUON RADIATION ULTRARELATIVISTIC NUCLEAR COLLISIONS - SPACE-TIME STRUCTURE, INSTABILITIES, AND THERMALIZATION", Physical review. C. Nuclear physics, 57(4), 1998, pp. 1927-1937

Abstract

We investigate the space-time structure of the classical gluon field produced in an ultrarelativistic collision between color charges. The classical solution which was computed previously in a perturbative approach is shown to become unstable on account of the non-Abelian self-interaction neglected in the perturbative solution scheme. The time scale for growth of the instabilities is found to be of the order of the distance between the colliding color charges. We argue that these instabilities will eventually lead to thermalization of gluons produced inan ultrarelativistic collision between heavy nuclei. The rate of thermalization is estimated to be of order g(2) mu, where g is the strong coupling constant and mu(2) the transverse color charge density of an ultrarelativistic nucleus.

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Documento generato il 05/07/20 alle ore 23:02:27