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Titolo:
GLUON RADIATION AND COHERENT STATES IN ULTRARELATIVISTIC NUCLEAR COLLISIONS
Autore:
MATINYAN SG; MULLER B; RISCHKE DH;
Indirizzi:
DUKE UNIV,DEPT PHYS,BOX 90305 DURHAM NC 27708 YEREVAN PHYS INST YEREVAN 375036 ARMENIA
Titolo Testata:
Physical review. C. Nuclear physics
fascicolo: 4, volume: 56, anno: 1997,
pagine: 2191 - 2201
SICI:
0556-2813(1997)56:4<2191:GRACSI>2.0.ZU;2-U
Fonte:
ISI
Lingua:
ENG
Soggetto:
TRANSVERSE-MOMENTUM; QUARK; MINIJET; PLASMA; MODEL; FIELD;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Science Citation Index Expanded
Citazioni:
31
Recensione:
Indirizzi per estratti:
Citazione:
S.G. Matinyan et al., "GLUON RADIATION AND COHERENT STATES IN ULTRARELATIVISTIC NUCLEAR COLLISIONS", Physical review. C. Nuclear physics, 56(4), 1997, pp. 2191-2201

Abstract

We explore the correspondence between classical gluon radiation and quantum radiation in a coherent state for gluons produced in ultrarelativistic nuclear collisions. The expectation value of the invariant momentum distribution of gluons in the coherent state is found to agree with the gluon number distribution obtained classically from the solution of the Yang-Mills equations. A criterion for the applicability of the coherent state formalism to the problem of radiation in ultrarelativistic nucleus-nucleus collisions is discussed. This criterion is found to be fulfilled for midrapidity gluons with perturbative transverse momenta larger than similar to 1-2 GeV and produced in collisions between valence partons.

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Documento generato il 05/07/20 alle ore 09:42:55