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From: Bertini Dr. Denis (D.Bertini@gsi.de)
Date: Mon Nov 05 2007 - 11:01:09 CET

  • Next message: Jiasen Ma: "plotgeom"

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    Dear Users,=20
     I have the following experiment to simulate :=20
     Projectile : A gold beam particle at 25 GeV/nucleons
     Fixed target: 1% interaction Au target (corresponds ~ 250 micrometers )
     Iron beam dump at the end of the cave.=20
    =20
     Now i would like to study the fluences of electron, protons, pions and =
    mostly neutrons
     inside the cave.
     For minimum bias event i use Fluka heavy ion definition with DpmJetIII. =

     For Au-Au collision i use a external source ( using source.f ) reading =
    UqQmd output
     file and filling the stack.
     Now i want to estimate the fluence of all particles in the cave.
     My question is how to modify source.f in order to have the correct =
    normalization for the fluence?
     In source.f there is the line calculating total weight for primaries:
    =20
     WEIPRI =3D WEIPRI + WTFLKA( NPFLKA )
    =20
     should i modify it to=20
    =20
     WEIPRI =3D 1/100 ?
                                                          thanks in advance=20
                                                                             =
            Denis Bertini=20
     =20
    =20

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    <BODY>=0A=
    <DIV><FONT face=3DArial color=3D#000000 size=3D2>Dear Users, =
    </FONT></DIV>=0A=
    <DIV><FONT face=3DArial size=3D2>&nbsp;I have the following experiment =
    to simulate : </FONT></DIV>=0A=
    <DIV><FONT face=3DArial size=3D2>&nbsp;Projectile : A gold beam particle =
    at 25 GeV/nucleons</FONT></DIV>=0A=
    <DIV><FONT face=3DArial size=3D2>&nbsp;Fixed target: 1% interaction Au =
    target (corresponds ~ 250&nbsp;micrometers )</FONT></DIV>=0A=
    <DIV><FONT face=3DArial size=3D2>&nbsp;Iron beam dump at the end of the =
    cave. </FONT></DIV>=0A=
    <DIV>&nbsp;</DIV>=0A=
    <DIV><FONT face=3DArial size=3D2>&nbsp;Now i would like to study the =
    fluences of electron, protons, pions&nbsp;and mostly =
    neutrons</FONT></DIV>=0A=
    <DIV><FONT face=3DArial size=3D2>&nbsp;inside the cave.</FONT></DIV>=0A=
    <DIV><FONT face=3DArial size=3D2>&nbsp;For minimum bias event i use =
    Fluka heavy ion definition with DpmJetIII. </FONT></DIV>=0A=
    <DIV><FONT face=3DArial size=3D2>&nbsp;For&nbsp;Au-Au collision i use a =
    external source ( using source.f ) reading UqQmd output</FONT></DIV>=0A=
    <DIV><FONT face=3DArial size=3D2>&nbsp;file and filling the =
    stack.</FONT></DIV>=0A=
    <DIV><FONT face=3DArial size=3D2>&nbsp;Now i want to estimate the =
    fluence of all particles&nbsp;in the cave.</FONT></DIV>=0A=
    <DIV><FONT face=3DArial size=3D2>&nbsp;My question is how to modify =
    source.f in order to have&nbsp;the correct normalization for the =
    fluence?</FONT></DIV>=0A=
    <DIV><FONT face=3DArial size=3D2>&nbsp;In source.f there is the line =
    calculating total weight for primaries:</FONT></DIV>=0A=
    <DIV><FONT face=3DArial size=3D2>&nbsp;</FONT></DIV>=0A=
    <DIV><FONT face=3DArial size=3D2>&nbsp;WEIPRI =3D WEIPRI + WTFLKA( =
    NPFLKA )</FONT></DIV>=0A=
    <DIV><FONT face=3DArial size=3D2>&nbsp;</FONT></DIV>=0A=
    <DIV><FONT face=3DArial size=3D2>&nbsp;should i modify it to =
    </FONT></DIV>=0A=
    <DIV><FONT face=3DArial size=3D2>&nbsp;</FONT></DIV>=0A=
    <DIV><FONT face=3DArial size=3D2>&nbsp;WEIPRI =3D 1/100 ?</FONT></DIV>=0A=
    <DIV><FONT face=3DArial =
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    p;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp=
    ;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;=
    &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&=
    nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;thanks&nbsp;in advance =
    </FONT></DIV>=0A=
    <DIV><FONT face=3DArial =
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    sp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Denis =
    Bertini</FONT>&nbsp;</DIV>=0A=
    <DIV><FONT face=3DArial size=3D2>&nbsp; </FONT></DIV>=0A=
    <DIV>&nbsp;</DIV></BODY></HTML>
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