GEANT321/gstrag/giasho.F

   1 *
   2 * $Id$
   3 *
   4 * $Log$
   5 * Revision 1.1.1.1  1995/10/24 10:21:37  cernlib
   6 * Geant
   7 *
   8 *
   9 #include "geant321/pilot.h"
  10 #if defined(CERNLIB_ASHO)
  11 *CMZ :  3.21/02 29/03/94  15.41.25  by  S.Giani
  12 *-- Author :
  13       SUBROUTINE GIASHO
  14 #include "geant321/gcbank.inc"
  15 #include "geant321/gcmate.inc"
  16       DIMENSION E0ELM(100),NSELM(100)
  17       DIMENSION ZSELM(7,100),ESELM(7,100)
  18       DATA E0ELM /
  19      + 0.0204,0.0385,3*0.,0.0738,0.0978,0.1157,0.1248,0.1338,
  20      + 3*0.,0.1745,0.1791,2*0.,0.1816,12*0.,0.3018,0.2806,
  21      + 0.2906,2*0.,0.3408,12*0.,0.4823,4*0.,0.5088,46*0. /
  22       DATA NSELM /
  23      + 1,1,3*0,2,2,2,2,2,3*0,3,3,2*0,3,12*0,4,4,4,2*0,4,12*0,
  24      + 5,4*0,5,46*0/
  25       DATA ZSELM /
  26      + 1.,0.,0.,0.,0.,0.,0.,2.,0.,0.,0.,0.,0.,0.,21*0.,
  27      + 4.,2.,0.,0.,0.,0.,0.,5.,2.,0.,0.,0.,0.,0.,
  28      + 6.,2.,0.,0.,0.,0.,0.,7.,2.,0.,0.,0.,0.,0.,
  29      + 8.,2.,0.,0.,0.,0.,0.,21*0.,
  30      + 4.,8.,2.,0.,0.,0.,0.,5.,8.,2.,0.,0.,0.,0.,14*0.,
  31      + 8.,8.,2.,0.,0.,0.,0.,84*0.,
  32      + 3.,18.,8.,2.,0.,0.,0.,4.,18.,8.,2.,0.,0.,0.,
  33      + 5.,18.,8.,2.,0.,0.,0.,14*0.,
  34      + 8.,18.,8.,2.,0.,0.,0.,84*0.,
  35      + 5.,18.,16.,8.,2.,0.,0.,28*0.,
  36      + 8.,18.,18.,8.,2.,0.,0.,322*0./
  37 *23456789_123456789_123456789_123456789_123456789_123456789_123456789_12
  38       DATA ESELM / 0.01360,0.,0.,0.,0.,0.,0.,0.02459,0.,0.,0.,0.,0.,0.,
  39      +21*0., 0.01367,0.288,0.,0.,0.,0.,0.,0.01662,0.4030,0.,0.,0.,0.,
  40      +0., 0.01742,0.5380,0.,0.,0.,0.,0.,0.02174,0.6940,0.,0.,0.,0.,0.,
  41      +0.02643,0.8701,0.,0.,0.,0.,0.,21*0., .01047,.1147,1.844,0.,0.,0.,
  42      +0.,.01247,.1467,2.148,0.,0.,0.,0., 14*0.,0.01845,0.2666,3.206,0.,
  43      +0.,0.,0.,84*0., 0.00899,0.04480,1.169,10.37,0.,0.,0., 0.01063,
  44      +0.06190,1.274,11.11,0.,0.,0., 0.01291,0.07953,1.384,11.87,0.,0.,
  45      +0.,14*0., 0.01676,0.1412,1.750,14.33,0.,0.,0.,84*0., 0.00720,
  46      +0.04012,0.5682,3.908,27.93,0.,0.,28*0., 0.01466,0.1006,0.8097,
  47      +5.030,34.570,0.,0.,322*0./
  48 *
  49 *-----------------------------------------------------------------------
  50 *
  51       DIMENSION ZSMED(50),ESMED(50)
  52 C-----------------------------------------------------------------------
  53 C
  54       JMA   = LQ(JMATE-NMAT)
  55       JMIXT = LQ(JMA-5)
  56       NCOMP = ABS(Q(JMA+11))
  57       AMED = 0.
  58       ZMED = 0.
  59       E0CAL = 0.   !Sum of Z(i)*log(I(i))
  60       E0MED = 0.
  61       NSMED = 0
  62
  63       DO 20 I = 1,NCOMP
  64          IF(NCOMP.GT.1) THEN
  65             IZ = Q(JMIXT+NCOMP+I)+0.5
  66             WEIGHT = Q(JMIXT+2*NCOMP+I)/Q(JMIXT+I)
  67             E0MED = E0MED + Q(JMIXT+NCOMP+I)*WEIGHT*LOG(E0ELM(IZ))
  68             ZMED = ZMED + Q(JMIXT+NCOMP+I)*WEIGHT
  69             AMED = AMED + Q(JMIXT+I)*WEIGHT
  70          ELSE
  71             IZ = Z+0.5
  72             E0MED = E0ELM(IZ)
  73             ZMED = Z
  74             AMED = A
  75          ENDIF
  76          DO 10 J = 1,NSELM(IZ)
  77             NSMED = NSMED + 1
  78             IF(NCOMP.GT.1) THEN
  79                ZSMED(NSMED) = ZSELM(J,IZ)*WEIGHT
  80             ELSE
  81                ZSMED(NSMED) = ZSELM(J,IZ)
  82             ENDIF
  83             ESMED(NSMED) = ESELM(J,IZ)
  84             E0CAL = E0CAL + ZSMED(NSMED)*LOG(ESELM(J,IZ))
  85    10    CONTINUE
  86    20 CONTINUE
  87       IF (NCOMP.GT.1) E0MED = EXP(E0MED/ZMED)
  88       E0CAL = EXP(E0CAL/ZMED)
  89       ALFA = E0MED/E0CAL
  90 C-----------------------------------------------------------------------
  91 C      The following sets ZSMED and ESMED in the order of increase
  92 C      of ESMED.
  93 C-----------------------------------------------------------------------
  94       DO 40 I = 1,NSMED - 1
  95          IMIN = I
  96          EMIN = ESMED(I)
  97          DO 30 J = I + 1,NSMED
  98             IF (EMIN.LE.ESMED(J)) GOTO 30
  99             EMIN = ESMED(J)
 100             IMIN = J
 101    30    CONTINUE
 102          IF (I.EQ.IMIN) GOTO 40
 103          X = ESMED(I)
 104          Y = ZSMED(I)
 105          ESMED(I) = ESMED(IMIN)
 106          ZSMED(I) = ZSMED(IMIN)
 107          ESMED(IMIN) = X
 108          ZSMED(IMIN) = Y
 109    40 CONTINUE
 110 C-----------------------------------------------------------------------
 111 C      The following combines the first smallest oscillators whose
 112 C      integer relative potentials are equal to 1.
 113 C-----------------------------------------------------------------------
 114       ZMIN = 0.
 115       EMIN = 0.
 116       IMIN = 1
 117       DO 50 I = 1,NSMED
 118          J = ESMED(I)/ESMED(1) + 0.5
 119          IF (J.GT.1) GOTO 60
 120          ZMIN = ZMIN + ZSMED(I)
 121          EMIN = EMIN + ZSMED(I)*LOG(ESMED(I))
 122          IMIN = I
 123    50 CONTINUE
 124    60 ESMED(1) = EXP(EMIN/ZMIN)
 125       ZSMED(1)        = ZMIN
 126       DO 70 I = IMIN + 1,NSMED
 127          ZSMED(I - IMIN + 1) = ZSMED(I)
 128          ESMED(I - IMIN + 1) = ESMED(I)
 129    70 CONTINUE
 130       NSMED = NSMED - IMIN + 1
 131       JASHO = LQ(JMA-20)
 132 *
 133 * *** Store parameters of ASHO in material bank 20
 134       Q(JASHO+1) = NSMED
 135       Q(JASHO+2) = ZMED
 136       Q(JASHO+3) = AMED
 137       Q(JASHO+4) = ALFA
 138       Q(JASHO+5) = E0MED
 139       DO 80 KMED=1,NSMED
 140          Q(JASHO+5+KMED) = ZSMED(KMED)
 141          Q(JASHO+5+NSMED+KMED) = ESMED(KMED)
 142    80 CONTINUE
 143       NLEFT = 2*NSMED - 100
 144       CALL MZPUSH(IXCONS,JASHO,0,NLEFT,'I')
 145       END
 146 #endif