FILE  gamma.hbook
LIST 
C
C   Photon Processes; gamma 100 keV
C 
DETECTOR   3 (Water) 10000. (cm)
KINE       1 (gamma) 0.0001 (GeV)
C
PHOT    1
COMP    1
PAIR    1
C
CUTS    10.e-6 (cutgam)    10.e-6 (cutele)
C
SWIT    0 (draw)
DEBUG   10 5 10000
C
TRIG    100000