CERN Program Library Long Writeup W5013 - CERNLIB ...

+SEQ /GCVOL1/
Push-pop stack of the volume tree for Čerenkov tracking
These variables are used to save and restore the variables with the similar name in the /GCVOLU/ common
block.
C
COMMON/GCVOL1/NLEVL1,NAMES1(15),NUMBR1(15),LVOLU1(15)
For more information on the meaning of these variables see the JETSET documentation [1].
+SEQ /GCLUND/
Control variables for the interface with JETSET
C
COMMON/GCLUND/IFLUND,ECLUND
IFLUND
ECLUND
flavour of the quarks to be generated, first input variable to LUEEVT;
energy in GeV of the e − e + collision, second input variable to LUEEVT.
+SEQ /GCPMXZ/
Number of elements with photoelectric cross-section
Number of elements for which the Sandia parametrisation is used for the photoelectric cross-sections.
C
PARAMETER (MAXELZ=100)
+SEQ /GC10EV/
Lower limit for Sandia parametrisation
C
G10EV
TENEV
PARAMETER (G10EV=1.0E-8)
PARAMETER (TENEV=1.E-2)
lower limit in GeV;
lower limit in keV;
+SEQ /GCSHPT/
Shell potentials
The meaning of the variables is explained in the comments.
C Shells are numbered from 1 to 24.
C Shells used:
C
K,L1,L2,L3,M1,M2,M3,M4,M5
C
N1,N2,N3,N4,N5,N6,N7,
C
O1,O2,O3,O4,O5,P1,P2,P3
C VARIABLES:
C NSHLST - value of Z for which the shells starts to be present
C N1ST - pointer to K shell of a given Z (in ESHELL array)
C NSHLLS - Number of used shells for a given Z
448 ZZZZ010 – 31