Pion Source Density Distribution and Tow-Pion Interferometry atSmall Relative Momentum in Relativistic Heavy-Ion Collisions

Chen Xiaofan

Chinese Physics C> 1998, Vol. 22> Issue(5) : 424-428

Pion Source Density Distribution and Tow-Pion Interferometry atSmall Relative Momentum in Relativistic Heavy-Ion Collisions

Chen Xiaofan ^,

Department of Physics, Harbin Institute of Technology, Harbin 150006

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Abstract：
The relations among the space-parameters, average radii and root-mean-square radii of the different pion source density distributions are obtained with the power series expansion of the two-pion correlation functions at the small relative momentum. The results are in good agreement with the experimental measurement of the central collisions 1.8A GeV Ar+Pb. The average radius and root-mean-square radius of the above reaction are given. The values of k=2>/² for the different source density distributions are calculated.

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Chen Xiaofan. Pion Source Density Distribution and Tow-Pion Interferometry atSmall Relative Momentum in Relativistic Heavy-Ion Collisions[J]. Chinese Physics C, 1998, 22(5): 424-428.

Chen Xiaofan. Pion Source Density Distribution and Tow-Pion Interferometry atSmall Relative Momentum in Relativistic Heavy-Ion Collisions[J]. Chinese Physics C, 1998, 22(5): 424-428. shu

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Received: 1900-01-01
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

Pion Source Density Distribution and Tow-Pion Interferometry atSmall Relative Momentum in Relativistic Heavy-Ion Collisions

Corresponding author: Chen Xiaofan,

Department of Physics, Harbin Institute of Technology, Harbin 150006

Received Date: 1900-01-01

Accepted Date: 1900-01-01

Available Online: 1998-05-05

Abstract: The relations among the space-parameters, average radii and root-mean-square radii of the different pion source density distributions are obtained with the power series expansion of the two-pion correlation functions at the small relative momentum. The results are in good agreement with the experimental measurement of the central collisions 1.8A GeV Ar+Pb. The average radius and root-mean-square radius of the above reaction are given. The values of k=2>/² for the different source density distributions are calculated.

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Pion Source Density Distribution and Tow-Pion Interferometry atSmall Relative Momentum in Relativistic Heavy-Ion Collisions

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