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GiBUU

Version 177 (modified by gallmei, 12 years ago) (diff)

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GiBUU

The GiBUU project is aiming to provide an unified transport framework in the MeV and GeV energy regimes for

  • elementary reactions on nuclei, as e.g.
    • electron + A,
    • photon + A,
    • neutrino + A ,
    • hadron + A (especially pion + A)
  • and for heavy-ion collisions.

For those reactions, the flow of particles is modelled within a Boltzmann-Uehling-Uhlenbeck (BUU) framework. The relevant degrees of freedom are mesons and baryons, which propagate in mean fields and scatter according to cross sections which are tuned to the energy range of 10 MeV to more than 10 GeV.

The new numerical implementation, named GiBUU (standing for Gießen and BUU), is written in modular Fortran2003 and based upon a Subversion version control system, which allows for a concise control over the full development phase of the code.

The history of the code is rather long and reports about several main development steps. The present initiative accomplished a total rewrite of the source code in a present-day computing language. The main goals of this effort were modularization to allow for a more transparent multi-user development process, a strict reduction of global variables for a more transparent debugging procedure, an improved control over the development phase such that modifications can be backtracked and a unified standard version. Therefore every member of the team works on the same single code version, albeit different temporal branches may coexist. Possible technical overhead is compensated by the benefit of a faster distribution of improvements and innovations and their enhanced sustainability.

GiBUU is being developed at the Institut für Theoretische Physik of the Justus-Liebig-Universität Giessen.


Physics Input


Publications, Talks and Seminars

  • Presentations at DPG Spring Meeting 2007 (March 12-17):
    • O. Buss: Electron and pion scattering off nuclei pdf
    • T. Gaitanos: Hypernucleus formation in high-energy nuclear collisions ppt
    • K. Gallmeister: Time Dependent Hadronization via HERMES and EMC Data Consistency ppt
    • A. Larionov: Three-baryon collisions in BUU
    • T. Leitner: Neutrino induced pion production and nucleon knockout within the GiBUU transport model pdf

  • O. Buss: "Code development & pion DCX", Gießen, Seminar, July 2006. pdf

Visualisations


The GiBUU Code

Used software and tools

  • Version Control
    Our code is based upon a Subversion version control system. The code can therefore be restored to any time point of its development phase.
    GUI-Tool: eSvn
  • Visualisation Tools:
    • povray
    • Qt

Selected Links connected to (Fortran) Programming

Internal pages


The GiBUU team

Academical supervisor

Current members

Collaborators

Former members

Contact

Institut für Theoretische Physik
Justus-Liebig-Universität Giessen
Heinrich-Buff-Ring 16
D-35392 Giessen
Tel.: +49 (0)641 99-33322

Email to webmaster
Email to GiBUU group


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