EPJ Web of Conferences
Volume 13, 2011HCBM 2010 – International Workshop on Hot and Cold Baryonic Matter
|Number of page(s)||6|
|Published online||19 April 2011|
Multi-particle interactions within the UrQMD approach
1 Frankfurt Institute for Advanced Studies, Ruth-Moufang-Str. 1, 60438 Frankfurt am Main, Germany
2 Institut für Theoretische Physik, Goethe-Universität, Max-von-Laue-Str. 1, 60438 Frankfurt am Main, Germany
3 Present address: Department of Physics, Duke University, Durham, North Carolina 27708-0305, United States
a e-mail: email@example.com
A mechanism for locally density-dependent dynamic parton rearrangement and fusion has been implemented into the Ultrarelativistic Quantum Molecular Dynamics (UrQMD) approach. The same mechanism has been previously built in the Quark Gluon String Model (QGSM). This rearrangement and fusion approach based on parton coalescence ideas enables the description of multi-particle interactions, namely 3 → 3 and 3 → 2, between (pre)hadronic states in addition to standard binary interactions. The UrQMD model (v2.3) extended by these additional processes allows to investigate implications of multi-particle interactions on the reaction dynamics of ultrarelativistic heavy ion collisions. The mechanism, its implementation and first results of this investigation are presented and discussed.
© Owned by the authors, published by EDP Sciences, 2011
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