Chinese Physics C > 1997, Vol. 21 > Issue(7): 627-632

Influence of Central Collective Flow on Charged Particle Correlation Functions

Institute of Modern Physics,The Chinese Academy of Sciences,Lanzhou 7300002 Shanghai Institute of Nuclear Research,The Chinese Academy of Sciences,Shanghai 201800

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Abstract：
Influence of the central collective flow on two-pardcle correlation function is discussed.The Monte-Carlo calculation is used to describe how the single particle and two-particle spectrum from a hot emission source are effected by the central collective flow.The two-proton correlation function for Ni+Ni system.with b=0fm at 100MeV/u is calculated by using QMD model.The particle interchange model is developed and used to prove the existence of a central collective flow in central sions of 100MeV/u Ni+Ni system.The results show that the two-particle correlation functions are indeed sensitive to the central collective flow.This might provide a method for studying the central collective flow formed in central collisions for medium heavy system at energies above 100MeV/u.

References

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Xi Hongfei, Zhu Yongtai, Shen Wenqing and Influence of Central Collective Flow on Charged Particle Correlation Functions[J]. Chinese Physics C, 1997, 21(7): 627-632.

Xi Hongfei, Zhu Yongtai, Shen Wenqing and Influence of Central Collective Flow on Charged Particle Correlation Functions[J]. Chinese Physics C, 1997, 21(7): 627-632. shu

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Received: 1900-01-01
Revised: 1900-01-01

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沈阳化工大学材料科学与工程学院沈阳 110142

Influence of Central Collective Flow on Charged Particle Correlation Functions

Corresponding author:Xi Hongfei,

Institute of Modern Physics,The Chinese Academy of Sciences,Lanzhou 7300002 Shanghai Institute of Nuclear Research,The Chinese Academy of Sciences,Shanghai 201800

Received Date:1900-01-01
Accepted Date:1900-01-01
Available Online:1997-07-05

Abstract:Influence of the central collective flow on two-pardcle correlation function is discussed.The Monte-Carlo calculation is used to describe how the single particle and two-particle spectrum from a hot emission source are effected by the central collective flow.The two-proton correlation function for Ni+Ni system.with b=0fm at 100MeV/u is calculated by using QMD model.The particle interchange model is developed and used to prove the existence of a central collective flow in central sions of 100MeV/u Ni+Ni system.The results show that the two-particle correlation functions are indeed sensitive to the central collective flow.This might provide a method for studying the central collective flow formed in central collisions for medium heavy system at energies above 100MeV/u.