Re: SOURCE of heavy ions

From: Florian (florian.sommerer@cern.ch)
Date: Thu Jun 14 2007 - 10:35:46 CEST

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    Dear Kirk,

    In the source file, change the line:
           PMOFLK(NPFLKA) = SQRT(ENERG*(ENERG+TWOTWO*AM(ILOFLK(NPFLKA))))
      to:

           PMOFLK (NPFLKA) = SQRT ( TKEFLK (NPFLKA) * ( TKEFLK (NPFLKA)
          & + TWOTWO * AM (IONID) ) )

    Cheers, Florian

    Markus Kirk wrote:
    > Dear Fluka Users,
    >
    > Why does my SOURCE routine cause an abort during a run when the
    > primaries are ions (e.g. here A=6,Z=3) ?
    >
    > There is however no problem when the primaries are protons.
    >
    > Please see the attached files...
    > The SOURCE describes a beam with an energy distribution
    > sampled from the probability distribution read from the file BETABE.
    > All other attributes (X,Y,Z and direction cosines) are copied from those
    > variables set by the BEAM and BEAMPOS cards.
    >
    > Any ideas?
    > I thank you in anticipation.
    >
    > Yours sincerely,
    >
    > Markus
    > 

    -- 
###########################################
Florian Sommerer
European Organization for Nuclear Research
CERN DSU/TT
Mailbox Z08700
Geneve 23
CH-1211 Switzerland
Tel : +41 2276 75582
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