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GiBUU

Changes between Version 305 and Version 306 of WikiStart


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Timestamp:
Nov 11, 2015, 11:36:09 AM (8 years ago)
Author:
mosel
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  • WikiStart

    v305 v306  
    1414 * and for '''heavy-ion collisions''',
    1515
    16 using the same physics input and code.
     16using the same physics input and code. The GiBUU code provides a full dynamical description of the reaction and delivers the complete final state of an event; it can thus be used as an '''event generator'''. The code is freely available.
    1717
    18 For these reactions, the flow of particles is modelled within a [wiki:physicsInput Boltzmann-Uehling-Uhlenbeck (BUU) framework].
    19 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. In the higher energy regimes the concept of '''pre-hadronic''' interactions is implemented in order to realize ''color transparancy'' and ''formation time'' effects. For a general overview of the model, please refer to our recent review paper:
     18For all the reactions, the flow of particles is modelled within a [wiki:physicsInput Boltzmann-Uehling-Uhlenbeck (BUU) framework].
     19The 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. In the higher energy regimes the concept of '''pre-hadronic''' interactions is implemented in order to realize ''color transparancy'' and ''formation time'' effects. For a general overview of the model, its theoretical basis as well as many practical details, refer to the review paper:
    2020
    2121 '''Transport-theoretical Description of Nuclear Reactions'''[[br]]
     
    2323 [http://dx.doi.org/10.1016/j.physrep.2011.12.001 Phys. Rept. 512 (2012) 1-124] / [http://inspirehep.net/record/912923 Inspire]
    2424
    25 The numerical implementation, named '''GiBUU''' (aka ''The Giessen BUU Project''), is written in modular [wiki:programmingLiterature Fortran 2003] and based upon a [http://subversion.tigris.org/ Subversion] version control system, which allows for a concise control over the full development phase of the code. The GiBUU code provides a full dynamical description of the reaction and delivers the complete final state of an event; it can thus be used as an '''event generator'''. The code is freely available.
     25The numerical implementation, named '''GiBUU''' (aka ''The Giessen BUU Project''), is written in modular [wiki:programmingLiterature Fortran 2003] and based upon a [http://subversion.tigris.org/ Subversion] version control system, which allows for a concise control over the full development phase of the code.
    2626
    2727The [wiki:GiBUU_Code_history 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''.