Transverse momentum and energy correlations in the equilibrium system from high-energy nuclear collisions

被引：55

作者：

Mrowczynski, S

机构：

[1] Soltan Inst Nucl Studies, PL-00681 Warsaw, Poland

[2] Jan Kochanowski Univ Humanities & Sci, Inst Phys, PL-25406 Kielce, Poland

来源：

PHYSICS LETTERS B | 1998年 / 439卷 / 1-2期

关键词：

relativistic heavy-ion collisions; thermal model; fluctuations;

D O I：

10.1016/S0370-2693(98)01046-6

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

The so-called Phi parameter, which measures the transverse momentum or energy correlations (fluctuations) in high-energy collisions independently of the particle multiplicity, is computed for the equilibrium ideal gas. As expected, Phi vanishes for the particles obeying Boltzmann statistics but is finite for the quantum particles, positive for bosons and negative for fermions. Phi(p perpendicular to) which is found for the pions gas, significantly exceeds the value of Phi(p perpendicular to) measured by the NA49 experiment. The discrepancy is discussed. (C) 1998 Elsevier Science B.V. All rights reserved.

引用

页码：6 / 11

页数：6

共 11 条

[1]

ADLER C, 1998, 981 GSI

[2] Hadronic expansion dynamics in central Pb+Pb collisions at 158 GeV per nucleon [J].

Appelshauser, H ;

Bachler, J ;

Bailey, SJ ;

Barnby, LS ;

Bartke, J ;

Barton, RA ;

Bialkowska, H ;

Billmeier, A ;

Blyth, CO ;

Bock, R ;

Bormann, C ;

Brady, FP ;

Brockmann, R ;

Brun, R ;

Buncic, P ;

Caines, HL ;

Cebra, D ;

Cooper, GE ;

Cramer, JG ;

Csato, P ;

Dunn, J ;

Eckardt, V ;

Eckhardt, F ;

Ferguson, MI ;

Ferenc, D ;

Fischer, HG ;

Flierl, D ;

Fodor, Z ;

Foka, P ;

Freund, P ;

Friese, V ;

Fuchs, M ;

Gabler, F ;

Gal, J ;

Gazdzicki, M ;

Gladysz, E ;

Grebieszkow, J ;

Gunther, J ;

Harris, JW ;

Hegyi, S ;

Henkel, T ;

Hill, LA ;

Huang, I ;

Hummler, H ;

Igo, G ;

Irmscher, D ;

Jacobs, P ;

Jones, PG ;

Kadija, K ;

Kolesnikov, VI .

EUROPEAN PHYSICAL JOURNAL C, 1998, 2 (04) :661-670

[3] TRANSVERSE-MOMENTUM SPECTRA FOR CHARGED-PARTICLES AT THE CERN PROTON ANTI-PROTON COLLIDER [J].

ARNISON, G ;

ASTBURY, A ;

AUBERT, B ;

BACCI, C ;

BERNABEI, R ;

BEZAGUET, A ;

BOCK, R ;

BOWCOCK, TJV ;

CALVETTI, M ;

CARROLL, T ;

CATZ, P ;

CENTRO, S ;

CERADINI, F ;

CITTOLIN, S ;

CNOPS, AM ;

COCHET, C ;

COLAS, J ;

CORDEN, M ;

DALLMAN, D ;

DANGELO, S ;

DEBEER, M ;

DELLANEGRA, M ;

DEMOULIN, M ;

DENEGRI, D ;

DIBITONTO, D ;

DOBRZYNSKI, L ;

DOWELL, JD ;

EDWARDS, M ;

EGGERT, K ;

EISENHANDLER, E ;

ELLIS, N ;

ERHARD, P ;

FAISSNER, H ;

FONTAINE, G ;

FOURNIER, JP ;

FREY, R ;

FRUHWIRTH, R ;

GARVEY, J ;

GEER, S ;

GHESQUIERE, C ;

GHEZ, P ;

GIBONI, KL ;

GIBSON, WR ;

GIRAUDHERAUD, Y ;

GIVERNAUD, A ;

GONIDEC, A ;

GRAYER, G ;

GUTIERREZ, P ;

HAIDAN, R ;

HANSLKOZANECKA, T .

PHYSICS LETTERS B, 1982, 118 (1-3) :167-172

[4]

Baym G, 1996, NUCL PHYS A, V610, pC286, DOI 10.1016/S0375-9474(96)00363-6

[5]

BLEICHER M, UNPUB PHYS LETT B

[6] A METHOD TO STUDY EQUILIBRATION IN NUCLEUS NUCLEUS COLLISIONS [J].

GAZDZICKI, M ;

MROWCZYNSKI, S .

ZEITSCHRIFT FUR PHYSIK C-PARTICLES AND FIELDS, 1992, 54 (01) :127-132

[7]

GAZDZICKI M, IN PRESS EUR PHYS C

[8]

Huang K., 1963, Statistical Mechanics

[9] ONE-PARTICLE, 2-PARTICLE AND 3-PARTICLE DISTRIBUTIONS IN PP COLLISIONS AT 205 GEV-C [J].

KAFKA, T ;

ENGELMANN, R ;

GODBOLE, R ;

HANLON, J ;

PRATAP, M ;

WAHL, H ;

SINGER, R ;

CHO, Y ;

FIELDS, T ;

HYMAN, LG ;

VOYVODIC, L ;

WALKER, R ;

WHITMORE, J .

PHYSICAL REVIEW D, 1977, 16 (05) :1261-1293

[10]

LEONIDOV A, 1992, Z PHYS C, V74, P535

← 1 2 →