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Titolo:
BOSE-EINSTEIN CORRELATIONS FOR 3-DIMENSIONALLY EXPANDING, CYLINDRICALLY SYMMETRICAL, FINITE SYSTEMS
Autore:
CSORGO T; LORSTAD B;
Indirizzi:
COLUMBIA UNIV,DEPT PHYS,538 W 120TH ST NEW YORK NY 10027 MTA KFKI RMKI H-1525 BUDAPEST HUNGARY LUND UNIV,INST PHYS S-22363 LUND SWEDEN
Titolo Testata:
Physical review. C. Nuclear physics
fascicolo: 3, volume: 54, anno: 1996,
pagine: 1390 - 1403
SICI:
0556-2813(1996)54:3<1390:BCF3EC>2.0.ZU;2-Z
Fonte:
ISI
Lingua:
ENG
Soggetto:
HEAVY-ION COLLISIONS; QUARK-GLUON PLASMA; PION INTERFEROMETRY; CROSS TERM;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Science Citation Index Expanded
Citazioni:
47
Recensione:
Indirizzi per estratti:
Citazione:
T. Csorgo e B. Lorstad, "BOSE-EINSTEIN CORRELATIONS FOR 3-DIMENSIONALLY EXPANDING, CYLINDRICALLY SYMMETRICAL, FINITE SYSTEMS", Physical review. C. Nuclear physics, 54(3), 1996, pp. 1390-1403

Abstract

There are two types of scales present simultaneously in the spacelikeas well as in the timelike directions in a model class describing a cylindrically symmetric, finite, three-dimensionally expanding boson source. One type of scale is related to the finite lifetime or geometrical size of the system, and the other type is governed by the rate of change of the local momentum distribution in the considered temporal orspatial direction. The parameters of the Bose-Einstein correlation function may obey an M(t) scaling, as observed in S+Pb and Pb+Pb reactions at CERN SPS. This M(t) scaling may imply that the Bose-Einstein correlation functions view only a small part of a large and expanding system. The full sizes of the expanding system at the last interaction are shown to be measurable with the help of the invariant momentum distribution of the emitted particles. A vanishing duration parameter can also be generated, with a specific M(t) dependence, in the considered model class.

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Documento generato il 04/12/20 alle ore 01:17:03