Two- and three-dimensional analysis of Bose-Einstein correlations in pi(+)/K(+)p interactions at 250 GeV/C

被引：30

作者：

Agababyan, NM

Atayan, MR

Charlet, M

Czyzewski, J

DeWolf, EA

Dziunikowska, K

Endler, AMF

Garutchava, ZS

Gulkanyan, HR

Hakobyan, RS

Karamyan, JK

Kisielewska, D

Kittel, W

Mehrabyan, SS

Metreveli, ZV

Oliveira, EC

Olkiewicz, K

Rizatdinova, FK

Shabalina, EK

Smirnova, LN

Tabidze, MD

Tikhonova, LA

Tkabladze, AV

Tomaradze, AG

Verbeure, F

Zotkin, SA

机构：

[1] UNIV INSTELLING ANTWERP, DEPT PHYS, B-2610 Antwerp, BELGIUM

[2] ACAD MIN & MET, INST PHYS & NUCL TECH, PL-30055 KRAKOW, POLAND

[3] INST NUCL PHYS, PL-30055 KRAKOW, POLAND

[4] MOSCOW MV LOMONOSOV STATE UNIV, INST PHYS NUCL, RU-119899 MOSCOW, RUSSIA

[5] UNIV NIJMEGEN, NIKHEF, INST HIGH ENERGY PHYS, NL-6525 ED NIJMEGEN, NETHERLANDS

[6] CTR BRASILEIRO PESQUISAS FIS, BR-22290 RIO DE JANEIRO, BRAZIL

[7] TBILISI STATE UNIV, INST HIGH ENERGY PHYS, GE-380086 TBILISI, GEORGIA

[8] INST PHYS, AM-375036 YEREVAN, ARMENIA

来源：

ZEITSCHRIFT FUR PHYSIK C-PARTICLES AND FIELDS | 1996年 / 71卷 / 03期

关键词：

D O I：

10.1007/BF02906999

中图分类号：

O412 [相对论、场论]; O572.2 [粒子物理学];

学科分类号：

摘要：

The NA22 data on pi(-)pi(-) correlations are analyzed in terms of a number of two- and three-dimensional parametrizations (Gaussian space-time, Goldhaber, Bowler string-like, Bertsch hydrodynamical, Kopylov-Podgoretskii, etc.), Contrary to the results obtained for e(+)e(-) and mu p collisions, the Goldhaber parametrization, as well as string-like models, fail in describing the hadron-hadron data. Better fits are obtained in the framework of surface-emitting fireball-like models, both when including and excluding hydrodynamical expansion of nuclear matter. Our results indicate that pion radiation occurs at earlier stages of matter evolution than in nuclear collisions.

引用

页码：405 / 414

页数：10

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