Azimuthal correlations of hadrons in a partonic/hadronic transport model
- Shanghai Institute of Applied Physics, Chinese Academy of Sciences, Shanghai 201800 (China)
- University of California, Los Angeles, CA90095 (United States)
By using a multi-phase transport (AMPT) model with both partonic and hadronic interactions, di-hadron and three-particle azimuthal correlations between trigger particles and associated scattering particles in Au + Au collisions at {radical}(s{sub NN}) = 200 GeV have been studied by the mixing-event technique. A Mach-like structure has been observed in the di-hadron and three-particle correlation functions in central collisions. By comparing the scenarios with and without parton cascade and/or hadronic rescattering, it is shown that both partonic and hadronic dynamical mechanisms contribute to the Mach-like structure of the scattered particle azimuthal correlations. However, only hadronic rescattering is unable to reproduce experimental amplitude of Mach-like cone on away-side, instead the parton cascade process is essential to describe experimental amplitude of Mach-like cone on away-side.
- OSTI ID:
- 20891748
- Journal Information:
- AIP Conference Proceedings, Vol. 865, Issue 1; Conference: 6. China-Japan joint nuclear physics symposium, Shanghai (China), 16-20 May 2006; Other Information: DOI: 10.1063/1.2398865; (c) 2006 American Institute of Physics; Country of input: International Atomic Energy Agency (IAEA); ISSN 0094-243X
- Country of Publication:
- United States
- Language:
- English
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