Re: How to turn off gamma generation - Chuck Foster

From: Francesco Cerutti (Francesco.Cerutti@cern.ch)
Date: Mon Aug 20 2007 - 11:01:03 CEST

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    Dear Chuck,

    > In order to compare the results with those from other codes that do
    > not include the generation of gammas in competition with other
    > processes, I desire to turn off the generation of gammas in FLUKA.
    > I see how to turn off the transport of gammas but do not see how to turn
    > off their generation.

    in real life the gamma generation IS in competition with other processes,
    so with FLUKA you cannot avoid their production (by means of the WHAT(2)
    of the EMFCUT card with SDUM = PROD-CUT you can set the lower threshold
    for "explicit" gamma electromagnetic production, but anyway processes
    producing gammas - e.g. bremsstrahlung - are taken into account, and
    moreover gamma production from hadronic interactions is on).
    In order to neglect photons in transport and scoring you can use the card
    DISCARD.

    Cheers

    Francesco

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    Francesco Cerutti
    CERN-AB
    CH-1211 Geneva 23
    Switzerland
    tel. ++41 22 7678962
    fax ++41 22 7668854

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