From: Giuseppe Battistoni (Giuseppe.Battistoni@mi.infn.it)
Date: Mon Jan 22 2007 - 10:41:38 CET
>From Alberto Fasso:
here is the meaning of the variables in EMFSTK as far as I know. Note
however that for some of the variables I had to guess from the
corresponding ones with a similar name in (FLKSTK).
(Alfredo please check!)
ETEMF = total energy in MeV
PMEMF = momentum in MeV/c
XEMF, YEMF, ZEMF = particle coordinates (cm)
UEMF, VEMF, WEMF = particle direction cosines
DNEAR = safe distance from the nearest boundary (cm)
UPOL, VPOL, WPOL = direction cosines of the polarization vector
USNRML, VSNRML, WSNRML = direction cosines of a (possible) surface normal
WTEMF = particle weight
AGEMF = particle age (s)
CMPEMF = cumulative path travelled by the particle (cm)
ESPARK = array of spare real variables available for the user
RDLYEM = delay in production with respect to the nominal primary "0"
time for a particle produced in radioactive decays (s)
IESPAK = array of spare integer variables available for the user
ICHEMF = particle charge (+1: positron, -1: electron, 0: photon)
IREMF = region number
IRLATT = lattice cell number
NHPEMF = pointer to the history object (Geant4 geometry)
LLOEMF = generation number
LOUEMF = user flag
LRDEMF = flag for particles generated in radioactive decays
NPEMF = stack pointer
NPSTRT = stack pointer of the last processed particle
Yes, in the EMF part of FLUKA energies and momenta are in MeV and MeV/c,
for historical reasons. A conversion from and to GeV and GeV/c is done
at the interface with the calling routines.
On Wed, 17 Jan 2007, Biagio Di Micco wrote:
> Dear all,
> this is the first time I write to this group.
> It is some months I am using fluka for the simulation
> of the KLOE calorimeter.
> I need for my pourpose the type of the particle that are put in the
> EMFSTK. I am trying to build the whole structure of the shower development
> and to dump it in a ntuple. Unluckly the (EMFSTK) is not commented and, as
> I have read in the previous mails of this discussion list, there aren't
> further documentation files at the moment. Can someone help me?
> Morever I guess that PMEMF is the particle momentum in MeV, is it right?
> I am wondering because I have always seen energy and momenta expressed in
> GeV until now.
> Thanks in advance
-- Alberto FassÚ SLAC-RP, MS 48, 2575 Sand Hill Road, Menlo Park CA 94025 Phone: (1 650) 926 4762 Fax: (1 650) 926 3569 email@example.com
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