Changes between Version 1 and Version 2 of FaQ


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Timestamp:
Apr 6, 2012, 4:33:02 PM (12 years ago)
Author:
trac
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  • FaQ

    v1 v2  
    1818
    1919===== ''How do I calculate the amplitudes of specific diagrams in specific phase space points using MadGraph ?''  =====
    20 The easiest way to do this is to download the [:StandAlone:StandAlone MadGraph] package and generate the process. You can then easily choose which diagrams to include in the matrix.f files of the !SubProcesses/P_xx_xxxx directories. There is also an example program in the !SubProcesses directory which shows how to calculate the amplitude at a specific phase space point (answered by Main.JohanAlwall)
     20The easiest way to do this is to download the [wiki:StandAlone StandAlone MadGraph] package and generate the process. You can then easily choose which diagrams to include in the matrix.f files of the !SubProcesses/P_xx_xxxx directories. There is also an example program in the !SubProcesses directory which shows how to calculate the amplitude at a specific phase space point (answered by Main.JohanAlwall)
    2121
    2222 ''Could you describe how to specify which diagrams are included?  I'm not very familiar with the code, so I'm not sure where to start.  Thanks'' -- Main.EmilyJohnson - 30 Apr 2008