Influence of Central Collective Flow on Charged Particle Correlation Functions

Xi Hongfei; Zhu Yongtai; Shen Wenqing

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《中国物理C》（英文）编辑部

2024年10月30日

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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Proceedings of the International Workshop XXП on Gross Property of Nuclei and Nuclear Excitaton,ed.by H.Feldmeier and W.Norenberg 1994.[2]S.C.Jeong et al.Phys.Rev,Lett.72（1994）3468.[3]S.E.Koonin,Phys.Lett.B70（1977）43.[4]W.G.Lynch et al.Phys.Rev,Lett.51（1983）1850.[5]W.F.Gong et al.Phys.Rev,C43（1991）1804.[6]H.F.Xi et al.Nucl. Phys.,A552（1993）281.[7]J.Aichelin,Phys.Rep.202（1991）233.[8]T.C.Awes et al.Phys.Rev,C25（1982）2361.[9]G.J.Kunde et al.Phys,Rev,Lett,70（1993）2545.[10]郗鸿飞等，100MeV/u Au+Au 对心碰撞中心集体流的发展，高能物理与核物理，21（第8期）（1997）

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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.