Changes between Version 24 and Version 25 of ComplexMassScheme


Ignore:
Timestamp:
Aug 20, 2015, 2:19:20 AM (9 years ago)
Author:
Valentin Hirschi
Comment:

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  • ComplexMassScheme

    v24 v25  
    55The Complex Mass Scheme (CMS henceforth) can be activated by simply typing the following command in the interactive shell:
    66
    7 {{{MG5_aMC> set complex_mass_scheme True/False }}}
     7{{{MG5_aMC> set complex_mass_scheme True}}}
    88
    99The CMS implementation is rather straightforward at leading-order (LO) but it becomes more involved at next-to-leading-order (NLO) because of mainly two points
     
    2929
    3030{{{ MG5_aMC> check cms [-reuse] <process_definition> <options> }}}
    31  * Ex.: {{{ check cms -reuse u d~ > e+ ve a [virt=QCD QED] --name=udx_epvea --tweak=['default','allwidths->allwidths*0.99(widths_x_0.99)'] }}} 
     31
     32 || '''Minimal example''' || '''{{{ check cms u d~ > e+ ve a [virt=QCD QED] }}}''' ||
     33 || Example with options || {{{ check cms -reuse u d~ > e+ ve a [virt=QCD QED] --name=udx_epvea --tweak=['default','allwidths->allwidths*0.99(widths_x_0.99)'] }}} ||
    3234
    3335First, the '-reuse' suffix following 'cms' specifies that you want to reuse relevant information existing from previous runs. This includes potentially reusing the fortran output of the NLO matrix element if the same process was run before with the 'cms check' command. Also, if a name was given to this run (see option '--name' further) and the corresponding saved result python pickled file exists on disk, this run will be skipped and the result recycled from the pickle file.