The UrQMD Model

The Ultrarelativistic Quantum Molecular Dynamics model is a microscopic model used to simulate (ultra)relativistic heavy ion collisons in the energy range from Bevalac and SIS up to AGS, SPS and RHIC. Main goals are to gain understanding about the following physical phenomena within a single transport model:

• Creation of dense hadronic matter at high temperatures
• Properties of nuclear matter, Delta & Resonance matter
• Creation of mesonic matter and of anti-matter
• Creation and transport of rare particles in hadronic matter.
• Creation, modification and destruction of strangeness in matter
• Emission of electromagnetic probes

UrQMD has also been used as a component of various hybrid transport approaches, e.g.

• Hydro+UrQMD
• PCM+UrQMD
• UrQMD+deexcitation models for nuclear waste calculations
• GEANT4
• CORSIKA+UrQMD for air-shower simulations
• SENECA+UrQMD for air-shower simulations

Download & User Information

Publications

• Index of Publications by UFTP

General reference to the model:

• S. A. Bass, M. Belkacem, M. Bleicher, M. Brandstetter, L. Bravina, C. Ernst, L. Gerland, M. Hofmann, S. Hofmann, J. Konopka, G. Mao, L. Neise, S. Soff, C. Spieles, H. Weber, L. A. Winckelmann, H. Stocker, W. Greiner, Ch. Hartnack, J. Aichelin and N. Amelin:
  Microscopic Models for Ultrarelativistic Heavy Ion Collisions
  Prog. Part. Nucl. Phys. 41 (1998) 225-370
• M. Bleicher, E. Zabrodin, C. Spieles, S.A. Bass, C. Ernst, S. Soff, L. Bravina, M. Belkacem, H. Weber, H. Stocker, W. Greiner:
  Relativistic Hadron-Hadron Collisions in the Ultra-Relativistic Quantum Molecular Dynamics Model
  J. Phys. G: Nucl. Part. Phys. 25 (1999) 1859-1896 or from LANL e-print

For the hybrid model including a hydrodynamic evolution for the hot and dense stage:

• H. Petersen, J. Steinheimer, G. Burau, M. Bleicher and H. Stöcker:
  Fully integrated transport approach to heavy ion reactions with an intermediate hydrodynamic stage
  Phys. Rev. C 78 (2008) 044901 or from arXiv e-print

Members of the UrQMD Collaboration: