Programs in Physics & Physical Chemistry
|[Licence| Download | New Version Template] aeki_v1_0.tar.gz(2003 Kbytes)|
|Manuscript Title: PACIAE 2.0: An updated parton and hadron cascade model (program) for the relativistic nuclear collisions|
|Authors: Ben-Hao Sa, Dai-Mei Zhou, Yu-Liang Yan, Xiao-Mei Li, Sheng-Qin Feng, Bao-Guo Dong, Xu Cai|
|Program title: PACIAE version 2.0|
|Catalogue identifier: AEKI_v1_0|
Distribution format: tar.gz
|Journal reference: Comput. Phys. Commun. 183(2012)333|
|Programming language: FORTRAN 77.|
|Computer: DELL Studio XPS and others with a FORTRAN 77 or GFORTRAN compiler.|
|Operating system: Unix/Linux.|
|RAM: 1G words|
|Word size: 64 bits|
|Keywords: Relativistic nuclear collision, Transport (cascade) model, Hadron, parton, Parton rescattering, Hadronization, Hadron rescattering.|
|PACS: 25.75.Dw, 24.10.Lx.|
Nature of problem:
The Monte Carlo simulation of hadron transport (cascade) model is successful in studying the observables at final state in the relativistic nuclear collisions. However the high pT suppression, the jet quenching (energy loss), and the eccentricity scaling of v2 etc., observed in high energy nuclear collisions, indicates the important effect of the initial partonic state on the final hadronic state. Therefore better parton and hadron transport (cascade) models for the relativistic nuclear collisions are highly required.
The parton and hadron cascade model PACIAE is originally based on the JETSET 7.4 and PYTHIA 5.7. The PYTHIA model has been updated to PYTHIA 6.4 with the additions of new physics, the improvements in existing physics, and the embedding of the JETSET model etc.. Therefore we update the PACIAE model to the new version of PACIAE 2.0 based on the PYTHIA 6.4 in this paper. In addition, some improvements in physics have been introduced in this new version.
Depends on the problem studied.
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