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AMPT
A Multi-Phase Transport Model for Relativistic Heavy Ion Collisions

Main article: Phys.Rev.C72:064901, 2005
(Zi-Wei Lin, Che Ming Ko, Bao-An Li, Bin Zhang, Subrata Pal)

Zhigareva N., 23.04.13


AMPT model
Use:
HIJING (Heavy Ion Jet Interaction Generator) ­ for generating the initial conditions ZPC (Zhang's Parton Cascade) ­ for modeling partonic scatterings Lund string fragmentation model or quark coalescence model ­ for hadronization ART (A Relativistic Transport model) ­ for treating hadronic scatterings.

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Input parameters
Key parameters: - sqrt(s), GeV N events ­ total number of events A number of target/projectile B min, B max ­ impact parameters (in fm) for all events Choice of parton-hadron conversion scenario (AMPT model, AMPT with string and others) Parameters for Lund fragmentation Quenching flag (on\off) K short decay flag, other flags


Output parameters
Output file: ampt.dat, containts:
Event number Impact parmeter Total number of participants n. in proj. PYTHIA particle ID number 3 momentum Px,Py,Pz Space-time coordinates ...


Convert files to ROOT
List of files .dat macro.C for convert .dat to root.C ->working with ROOT structure.