*
* $Id$
*
* $Log$
*
*CMZ :  3.00/00 08/02/2002  17.54.28  by  Unknown
*CMZ :  2.01/00 05/04/2000  14.35.18  by  Marialuigia Ambriola
*CMZ :  2.00/00 03/03/2000  15.39.05  by  Francesco Cafagna
*CMZ :  1.00/02 04/04/96  17.54.02  by  Francesco Cafagna
*-- Author :    Francesco Cafagna   04/04/96
      SUBROUTINE GPXE
************************************************************************
*                                                                      *
* To define special tracking parameters for Xenon                      *
*                                                                      *
* Called by: GPDAT                                                     *
* Author: Francesco Cafagna, 04/04/96 17.41.17                         *
*                                                                      *
************************************************************************
#include "gpxe.inc"
*kinetic energy cuts in GeV:
      CUTGAMXE = 0.0001
      CUTELEXE = 0.0001
      CUTHADXE = 0.0001
      CUTNEUXE = 0.0001
      CUTMUOXE = 0.0001
c      BCUTEXE = CUTGAMXE
c      BCUTMXE = CUTGAMXE
      BCUTEXE = 0.001
      BCUTMXE = 0.001
      DCUTEXE = CUTELEXE
      DCUTMXE = CUTELEXE
      PPCUTMXE  = 0.01
*control of physics process:
*default:
c      PAIRXE = 1
c      COMPXE = 1
c      PHOTXE = 1
c      PFISXE = 0
c      ANNIXE = 1
c      BREMXE = 1
c      HADRXE = 1
c      MUNUXE = 1
c      DCAYXE = 1
C      MULSXE = 1
cc      BIRK1XE =
cc      BIRK2XE =
cc      BIRK3XE =
cc      LABSXE =
cc      SYNCXE =
*user:
*.
#if defined(GPAMELA_GARFIELD)
      LOSSXE = 0
      DRAYXE = 0
      MULSXE = 0
      PAIRXE = 0
      COMPXE = 0
      PHOTXE = 0
      PFISXE = 0
      ANNIXE = 0
      BREMXE = 0
      HADRXE = 0
      MUNUXE = 0
      DCAYXE = 0
*.
#endif
#if !defined(GPAMELA_GARFIELD)
      LOSSXE = 1
      DRAYXE = 1
      MULSXE = 1
      PAIRXE = 1
      COMPXE = 1
      PHOTXE = 1
      PFISXE = 0
      ANNIXE = 1
      BREMXE = 1
      HADRXE = 1
      MUNUXE = 1
      DCAYXE = 1
#endif
*
      RETURN
      END