4.6.12 SUBROUTINE ZAUCSS( I, WSUM, OOWSUM) : Collect Shower Statistics-counters

Collect the statistics-counters needed to make the weighted average of shower axes in a cluster of several showers.

ARGUMENTS:

INPUT :

      I : Shower number.

OUTPUT :

      WSUM : sum of shower-axes weighted by 1/sigma^2
      OOWSUM : sum of 1/sigma^2

IMPLICIT INPUTS:

    From /ZASTE/ : IGEOM, the number of the present detector.
    From /ZAEVT/ : MTRK, the total number of seen particles;
    From /ZACLU/ : CTYPCL, calorimeter types; CLUAX, shower axis

IMPLICIT OUTPUTS:

    To /ZACLU/ : PVECLU, cluster 4-momentum.

CALLED BY :

ZAUSHO, SHOWer merging (see 4.6.10).

CALLED ROUTINE(S):

ZUCINS (see 4.7.8)

(To Check if element IN Set)

VADD,VMUL,UCOPY

(CERNLIB routines)

SIDE EFFECTS:

none.

AUTHORS:

M. Berggren, UFRJ, M. A. Do Vale, UFRJ

CREATION DATE:

06-APR-1995