Analysis of Multi-Particle Production in 158 A GeV Pb+Pb Collisions by Two-Source Statistical Model

LU Zhong-Dao; SA Ben-Hao; Amand Faessler

Chinese Physics C> 2002, Vol. 26> Issue(5) : 501-506

Analysis of Multi-Particle Production in 158 A GeV Pb+Pb Collisions by Two-Source Statistical Model

China Institute of Atomic Energy, Beijing 102413, China2 Center of Theoretical Nuclear Physics, National Laboratory of Heavy Ion Accelerator of Lanzhou, Lanzhou 730000, China3 Institute for Theoretical Physics, University of Tuebingen, D 72076 Tubingen, Germany4 Institute for Nuclear Physics, Moscow State University, 119899 Moscow, Russia

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Abstract：
The data of multi-particle production in 158 A GeV Pb+Pb collisions are analyzed by two-source statistical model. The model calculations fit the experimental data very well and supply a reasonable and clear physical picture. The reaction system is composed of a hot, small inner source and a big, cool outer source. The outer source characterizes the projectile-like and target-like, and the inner source characterizes the central reaction zone. At freeze-out, the system is still in expanding.

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LU Zhong-Dao, SA Ben-Hao and Amand Faessler. Analysis of Multi-Particle Production in 158 A GeV Pb+Pb Collisions by Two-Source Statistical Model[J]. Chinese Physics C, 2002, 26(5): 501-506.

LU Zhong-Dao, SA Ben-Hao and Amand Faessler. Analysis of Multi-Particle Production in 158 A GeV Pb+Pb Collisions by Two-Source Statistical Model[J]. Chinese Physics C, 2002, 26(5): 501-506. shu

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Received: 2001-06-17
Revised: 1900-01-01

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通讯作者: 陈斌, bchen63@163.com

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沈阳化工大学材料科学与工程学院沈阳 110142

Analysis of Multi-Particle Production in 158 A GeV Pb+Pb Collisions by Two-Source Statistical Model

Corresponding author: LU Zhong-Dao,

China Institute of Atomic Energy, Beijing 102413, China2 Center of Theoretical Nuclear Physics, National Laboratory of Heavy Ion Accelerator of Lanzhou, Lanzhou 730000, China3 Institute for Theoretical Physics, University of Tuebingen, D 72076 Tubingen, Germany4 Institute for Nuclear Physics, Moscow State University, 119899 Moscow, Russia

Received Date: 2001-06-17

Accepted Date: 1900-01-01

Available Online: 2002-05-05

Abstract: The data of multi-particle production in 158 A GeV Pb+Pb collisions are analyzed by two-source statistical model. The model calculations fit the experimental data very well and supply a reasonable and clear physical picture. The reaction system is composed of a hot, small inner source and a big, cool outer source. The outer source characterizes the projectile-like and target-like, and the inner source characterizes the central reaction zone. At freeze-out, the system is still in expanding.

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Analysis of Multi-Particle Production in 158 A GeV Pb+Pb Collisions by Two-Source Statistical Model

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