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Time evolution of Mach-like structure in a partonic transport model | | G. L. Ma
; S. Zhang
; Y. G. Ma
; X. Z. Cai
; J. H. Chen
; Z. J. He
; H. Z. Huang
; J. L. Long
; W. Q. Shen
; X. H. Shi
; C. Zhong
; J. X. Zuo
; | | Date: |
24 Oct 2006 | | Abstract: | The time evolution of Mach-like structure (the splitting of the away side peak in di-hadron $Deltaphi$ correlation) is presented in the framework of a dynamical partonic transport model. With the increasing of the lifetime of partonic matter, Mach-like structure can be produced and developed by strong parton cascade process. Not only the splitting parameter but also the number of associated hadrons ($N_{h}^{assoc}$) increases with the lifetime of partonic matter and partonic interaction cross section. Both the explosion of $N_{h}^{assoc}$ following the formation of Mach-like structure and the corresponding results of three-particle correlation support that a partonic Mach-like shock wave can be formed by strong parton cascade mechanism. Therefore, the studies about Mach-like structure may give us some critical information, such as the lifetime of partonic matter and hadronization time. | | Source: | arXiv, nucl-th/0610088 | | Services: | Forum | Review | PDF | Favorites | |
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