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Centrality of the collision and random matrix theory

Centrality of the collision and random matrix theory
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摘要 I discuss the results from a study of the central ^12CC collisions at 4.2 A GeV/c. The data have been analyzed using a new method based on the Random Matrix Theory. The simulation data coming from the Ultra Relativistic Quantum Molecular Dynamics code were used in the analyses. I found that the behavior of the nearest neighbor spacing distribution for the protons, neutrons and neutral pions depends critically on the multiplicity of secondary particles for simulated data. I conclude that the obtained results offer the possibility of fixing the centrality using the critical values of the multiplicity. I discuss the results from a study of the central ^12CC collisions at 4.2 A GeV/c. The data have been analyzed using a new method based on the Random Matrix Theory. The simulation data coming from the Ultra Relativistic Quantum Molecular Dynamics code were used in the analyses. I found that the behavior of the nearest neighbor spacing distribution for the protons, neutrons and neutral pions depends critically on the multiplicity of secondary particles for simulated data. I conclude that the obtained results offer the possibility of fixing the centrality using the critical values of the multiplicity.
作者 Z.Wazir
机构地区 Department of Physics
出处 《Chinese Physics C》 SCIE CAS CSCD 2010年第10期1593-1597,共5页 中国物理C(英文版)
关键词 random matrix theory UrQMD central collisions MULTIPLICITY random matrix theory, UrQMD, central collisions, multiplicity
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参考文献20

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