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*
* $Id$
*
* $Log: gphxsi.F,v $
* Revision 1.2 2002/12/02 16:37:45 brun
* Changes from Federico Carminati and Peter Hristov who ported the system
* on the Ithanium processors.It is tested on HP, Sun, and Alpha, everything
* seems to work. The optimisation is switched off in case of gcc2.xx.yyy
*
* Revision 1.1.1.1 2002/07/24 15:56:26 rdm
* initial import into CVS
*
* Revision 1.1.1.1 2002/06/16 15:18:41 hristov
* Separate distribution of Geant3
*
* Revision 1.1.1.1 1999/05/18 15:55:20 fca
* AliRoot sources
*
* Revision 1.1.1.1 1995/10/24 10:21:31 cernlib
* Geant
*
*
#include "geant321/pilot.h"
*CMZ : 3.21/02 29/03/94 15.41.22 by S.Giani
*-- Author :
SUBROUTINE G3PHXSI
*.
*. ******************************************************************
*. * Creates PHXS bank containing x-section constants *
*. * *
*. * ==>CALLED BY : G3PHYSI *
*. * AUTHOR : J. CHWASTOWSKI *
*. * *
*. ******************************************************************
*.
* The photoelectric effect x-section bank
* 1 - Number of elements neded to create medium = NZ
* 2 <-> NZ+1 - Z of elements
* NZ+1 <-> 2*NZ+1 - 0
* 2+2*NZ <-> 3*NZ+1 - weight of x-section constants
* 3*NZ+2 <-> top - X-section constants
#include "geant321/gcbank.inc"
#include "geant321/gcphys.inc"
#include "geant321/gcjloc.inc"
#include "geant321/gconsp.inc"
#include "geant321/gcunit.inc"
#include "geant321/gcpmxz.inc"
#include "geant321/gcphxs.inc"
#include "geant321/gc10ev.inc"
COMMON / FIXIT / JPHXS, JPHFN
CHARACTER*1 CHSHEL, CHGROU
DIMENSION EUP(MAXINT),TMP(MAXPOW,MAXINT),ESHL(24)
PARAMETER (NXSB=73,NXSBF=70)
Z = Q(JMA+7)
IPHXSP = 0
* Check Z range of validity for Sandia parametrization
IF(Z.GE.1.AND.Z.LE.MAXELZ) THEN
*
* Find number of elements neded to create current medium
c
* Is this medium a mixture ?
NMIX = Q(JMA+11)
IF(NMIX.GT.1) THEN
NZ = 0
JMIXT=LQ(JMA-5)
DO 10 I = 1,NMIX
ZCUR = Q(JMIXT+NMIX+I)
IF(ZCUR.NE.INT(ZCUR)) THEN
*
* When Z is non integer you need 2 elements
NZ=NZ+2
ELSE
NZ=NZ+1
ENDIF
10 CONTINUE
CALL G3WORK(3*NZ+1)
WS(1) = NZ
*
* Calculate weigths
*
K = 1
DO 20 I = 1,NMIX
ZCUR = Q(JMIXT+NMIX+I)
HZCUR = INT(ZCUR)
WS(1+K) = HZCUR
IF(ZCUR.NE.HZCUR) THEN
WS(1+2*NZ+K) = (HZCUR+1.-ZCUR)*Q(JMIXT+2*NMIX+I)
K = K+1
WS(1+K) = HZCUR+1
WS(1+2*NZ+K) = (ZCUR-HZCUR)*Q(JMIXT+2*NMIX+I)
ELSE
WS(1+2*NZ+K) = Q(JMIXT+2*NMIX+I)
ENDIF
K = K+1
20 CONTINUE
*
* Do Z values repeat ?
*
K = NZ
DO 40 I = 1,NZ-1
Z1 = WS(1+I)
IF(Z1.GT.0.0) THEN
DO 30 J = I+1,NZ
Z2 = WS(1+J)
IF(Z1.EQ.Z2) THEN
* WS(1+NZ+I) = WS(1+NZ+I)+WS(1+NZ+J)
WS(1+2*NZ+I) = WS(1+2*NZ+I)+WS(1+2*NZ+J)
WS(1+J) = -WS(1+J)
K = K-1
ENDIF
30 CONTINUE
ENDIF
40 CONTINUE
* Now you can book a pht. eff. x-sec. constant bank and hang it as
* a first struc. link from JPHOT.
* From this bank you hang the banks for each separate Z !!!
NW = NZ*NXSB+2
IF(K.EQ.1) NW = NXSB+2
CALL MZBOOK(IXCONS,JPHXS,JPHOT,-1,'PHXS',NZ,NZ,NW,3,0)
* Fill JPHXS bank and calculates the weights
Q(JPHXS+1) = K
NZN = K
K = 1
DO 50 I = 1,NZ
IF(WS(1+I).GT.0.0) THEN
Q(JPHXS+1+K) = WS(1+I)
* Q(JPHXS+1+K+NZN) = WS(1+I+NZ)
Q(JPHXS+1+K+2*NZN) = WS(1+I+2*NZ)
K = K+1
ENDIF
50 CONTINUE
ELSE
* Current medium consists of one "element"
NZ = 1
ZCUR = Z
HZCUR = INT(ZCUR)
IF(MOD(ZCUR,HZCUR).EQ.0) THEN
* Now you can book a pht. eff. x-sec. constant bank and hang it as
* a first struc. link from JPHOT.
NW = NXSB+2
CALL MZBOOK(IXCONS,JPHXS,JPHOT,-1,'PHXS',1,1,NW,3,0)
Q(JPHXS+1) = 1.
Q(JPHXS+2) = ZCUR
Q(JPHXS+4) = 1.
ELSE
* Somebody is cheating. We need two elements
NZ = NZ+1
NW = 2*NXSB+2
CALL MZBOOK(IXCONS,JPHXS,JPHOT,-1,'PHXS',2,2,NW,3,0)
Q(JPHXS+1) = 2.
Q(JPHXS+2) = HZCUR
Q(JPHXS+3) = HZCUR+1
Q(JPHXS+6) = (HZCUR+1.-ZCUR)
Q(JPHXS+7) = (ZCUR-HZCUR)
ENDIF
ENDIF
* We passed the bank booking phase and we can start real work
NZ = Q(JPHXS+1)
* Create a temporary working space
IBINS = 5*NZ+NZ*(MAXPOW+1)*(MAXINT+1)
CALL G3WORK(IBINS)
DO 60 I = 1,IBINS
WS(I) = 0.0
60 CONTINUE
KS = 5*NZ
L = 0
DO 170 N = 1,NZ
JPHXS = LQ(JPHOT-1)
ZCUR = Q(JPHXS+1+N)
IZ = ZCUR
DO 70 I = 1,24
ESHL(I) = 0.0
70 CONTINUE
CALL G3FSHLS(ZCUR,ESHL,NSHL)
DO 80 I = 1,NSHL
ESHL(I) = ESHL(I)*1.E-3
80 CONTINUE
* Use Sandia data.
* Find out the interval upper limit.
IMAX = 0
DO 90 I = 1,MAXINT
CHSHEL=CRNGUP(I,IZ)(1:1)
CHGROU=CRNGUP(I,IZ)(2:2)
IF(CHSHEL.EQ.'I') THEN
EUP(I) = 55.E11
IMAX = I
GO TO 100
ELSEIF(CHSHEL.EQ.'K') THEN
EUP(I) = ESHL(1)
ELSEIF(CHSHEL.EQ.'L') THEN
IF(CHGROU.EQ.'1') THEN
EUP(I) = ESHL(2)
ELSEIF(CHGROU.EQ.'2') THEN
EUP(I) = ESHL(3)
ELSEIF(CHGROU.EQ.'3') THEN
EUP(I) = ESHL(4)
ELSE
CHMAIL = ' GPHXSI Error: Inconsistent data for L '
+ //'shell. Maximum coded L3. Found shell '
+ //'name: '//CRNGUP(I,IZ)
CALL GMAIL(0,0)
ENDIF
ELSEIF(CHSHEL.EQ.'M') THEN
IF(CHGROU.EQ.'1') THEN
EUP(I) = ESHL(5)
ELSEIF(CHGROU.EQ.'2') THEN
EUP(I) = ESHL(6)
ELSEIF(CHGROU.EQ.'3') THEN
EUP(I) = ESHL(7)
ELSEIF(CHGROU.EQ.'4') THEN
EUP(I) = ESHL(8)
ELSEIF(CHGROU.EQ.'5') THEN
EUP(I) = ESHL(9)
ELSE
CHMAIL = ' GPHXSI Error: Inconsistent data for M '
+ //'shell. Maximum coded M5. Found shell '
+ //'name: '//CRNGUP(I,IZ)
CALL GMAIL(0,0)
ENDIF
ELSEIF(CHSHEL.EQ.'N') THEN
IF(CHGROU.EQ.'1') THEN
EUP(I) = ESHL(10)
ELSEIF(CHGROU.EQ.'2') THEN
EUP(I) = ESHL(11)
ELSEIF(CHGROU.EQ.'3') THEN
EUP(I) = ESHL(12)
ELSEIF(CHGROU.EQ.'4') THEN
EUP(I) = ESHL(13)
ELSEIF(CHGROU.EQ.'5') THEN
EUP(I) = ESHL(14)
ELSEIF(CHGROU.EQ.'6') THEN
EUP(I) = ESHL(15)
ELSEIF(CHGROU.EQ.'7') THEN
EUP(I) = ESHL(16)
ELSE
CHMAIL = ' GPHXSI Error: Inconsistent data for N '
+ //'shell. Maximum coded N7. Found shell name:'
+ //' '//CRNGUP(I,IZ)
CALL GMAIL(0,0)
ENDIF
ELSEIF(CHSHEL.EQ.'O') THEN
IF(CHGROU.EQ.'1') THEN
EUP(I) = ESHL(17)
ELSEIF(CHGROU.EQ.'2') THEN
EUP(I) = ESHL(18)
ELSEIF(CHGROU.EQ.'3') THEN
EUP(I) = ESHL(19)
ELSEIF(CHGROU.EQ.'4') THEN
EUP(I) = ESHL(20)
ELSEIF(CHGROU.EQ.'5') THEN
EUP(I) = ESHL(21)
ELSE
CHMAIL = ' GPHXSI Error: Inconsistent data for O '
+ //'shell. Maximum code O5. Found shell name:'
+ //' '//CRNGUP(I,IZ)
CALL GMAIL(0,0)
ENDIF
ELSEIF(CHSHEL.EQ.'P') THEN
IF(CHGROU.EQ.'1') THEN
EUP(I) = ESHL(22)
ELSEIF(CHGROU.EQ.'2') THEN
EUP(I) = ESHL(23)
ELSEIF(CHGROU.EQ.'3') THEN
EUP(I) = ESHL(24)
ELSE
CHMAIL = ' GPHXSI Error: Inconsistent data for P '
+ //'shell. Maximum coded P3. Found shell '
+ //'name: '//CRNGUP(I,IZ)
CALL GMAIL(0,0)
ENDIF
ELSE
READ(CRNGUP(I,IZ),'(F6.0)') EUP(I)
ENDIF
IF(EUP(I).EQ.0.0) THEN
WRITE(CHMAIL,'(A44,I5)') ' GPHXSI Error: Upper limit '
+ //'= 0. Interval:',I
CALL GMAIL(0,0)
STOP 14
ENDIF
90 CONTINUE
100 CONTINUE
DO 120 I = 1,IMAX
DO 110 J = 1,MAXPOW
TMP(J,I) = COFS(J,I,IZ)*Q(JPHXS+1+2*NZ+N)
110 CONTINUE
120 CONTINUE
* Copy upper limits and coofficients to a work bank
K = KS+1
WS(K) = GPOMIN(IZ)
WS(K+1) = 0.0
WS(K+2) = 0.0
WS(K+3) = 0.0
WS(K+4) = 0.0
K = K+5
DO 140 I = 1,IMAX
WS(K) = EUP(I)
K = K+1
DO 130 J = 1,MAXPOW
WS(K) = TMP(J,I)
K = K+1
130 CONTINUE
140 CONTINUE
KS = KS+(MAXINT+1)*(MAXPOW+1)
IWS(NZ+N) = IMAX
IWS(2*NZ+N) = 0
IWS(3*NZ+N) = 0
* WS(N) = Q(JPHXS+1+2*NZ+N)
* Create element x-section & final state bank
CALL MZBOOK(IXCONS,JPHFN,JPHXS,-N,'PHFN',0,0,IMAX*5+1,3,0)
Q(JPHFN+1) = IMAX
* Update pointer
JPHFN = JPHFN+1
KFN = 1
* Copy energy & x-section parameters
DO 160 I = 1,IMAX
Q(JPHFN+KFN) = EUP(I)
KFN = KFN+1
DO 150 J = 1,MAXPOW
c Q(JPHFN+KFN) = TMP(J,I)*Q(JPHXS+1+2*NZ+N)
Q(JPHFN+KFN) = TMP(J,I)
KFN = KFN+1
150 CONTINUE
160 CONTINUE
* Get shells decay parameters
CALL G3FSHDC(N,ZCUR)
170 CONTINUE
* Now find intervals and calculate the coofs for each
K = 0
JPHXS = LQ(JPHOT-1)
IF(NZ.LT.2) THEN
* Simple element so life is easy and nice
Q(JPHXS+5) = IMAX+1
JPHXS6 = JPHXS+6
Q(JPHXS6) = GPOMIN(IZ)
Q(JPHXS6+1) = 0.0
Q(JPHXS6+2) = 0.0
Q(JPHXS6+3) = 0.0
Q(JPHXS6+4) = 0.0
JPHXS6 = JPHXS6+5
DO 190 I = 1,IMAX
Q(JPHXS6+K) = EUP(I)
K = K+1
DO 180 J = 1,MAXPOW
Q(JPHXS6+K) = TMP(J,I)
K = K+1
180 CONTINUE
190 CONTINUE
NPSH = NW-5*(IMAX+1)-5
ELSE
* More elements. It will not be so easy
* The following code is difficult and probably there are better solutions
* but I could think only about this one.
IPHXSP = JPHXS+2+3*NZ
IPIMAX = JPHXS+2+3*NZ
IOFFST = (MAXPOW+1)*(MAXINT+1)
DO 250 II = 1,NZ*(MAXINT+1)
* Find the interval for which the upper limit is the smallest
AMINV = 1.E20
DO 200 I = 1,NZ
K = IWS(2*NZ+I)
IPOINT = 5*NZ+1+(I-1)*IOFFST+K
IEUP = 4*NZ+I
WS(IEUP) = WS(IPOINT)
IF(WS(IEUP).LT.AMINV) AMINV = WS(IEUP)
200 CONTINUE
L = 0
DO 210 I = 1,NZ
IF(WS(4*NZ+I).LE.AMINV) L = L+1
210 CONTINUE
IF(L.LT.1) THEN
CHMAIL = ' GPHXSI Error: Zero intervals found.'
CALL GMAIL(0,0)
STOP 16
ENDIF
* Copy to JPHXS bank
Q(IPIMAX) = Q(IPIMAX)+1.
Q(IPHXSP+1) = AMINV
IPHXSP = IPHXSP+1
DO 230 J = 1,MAXPOW
QS = 0.0
DO 220 I = 1,NZ
K = IWS(2*NZ+I)
IPOINT = 5*NZ+1+(I-1)*IOFFST+K+J
c QS = QS+WS(I)*WS(IPOINT)
QS = QS+WS(IPOINT)
220 CONTINUE
Q(IPHXSP+1) = QS
IPHXSP = IPHXSP+1
230 CONTINUE
IF(L.EQ.NZ.AND.AMINV.EQ.55.E11) GO TO 260
* Update local pointers
DO 240 I = 1,NZ
IEUP = 4*NZ+I
IF(WS(IEUP).LE.AMINV) THEN
INZ2 = 2*NZ+I
IF(IWS(3*NZ+I).LT.IWS(I+NZ)) THEN
IWS(INZ2) = IWS(INZ2)+5
IWS(3*NZ+I) = IWS(3*NZ+I)+1
ENDIF
ENDIF
240 CONTINUE
250 CONTINUE
* It is THE END of th x-secs. part, however you may not believe it.
260 CONTINUE
NIT=Q(IPIMAX)
IIT = -1
261 IIT = IIT+1
*
* It just may happen that some of the energy limits are the same
IENE=IIT*5+1
IF(ABS(Q(IPIMAX+IENE)-Q(IPIMAX+IENE+5)).LT.
+ Q(IPIMAX+IENE)*5E-4) THEN
DO 262 II=1,(NIT-IIT-1)*5
Q(IPIMAX+IENE+II)=Q(IPIMAX+IENE+II+5)
262 CONTINUE
NIT=NIT-1
IIT=IIT-1
ENDIF
IF(IIT.LT.NIT-1) GO TO 261
Q(IPIMAX)=NIT
NPSH = NW-Q(IPIMAX)*5-3*NZ-2
ENDIF
* Return unused locations in JPHXSI bank to the system
IF(NPSH.GT.0) THEN
JPHXS = LQ(JPHOT-1)
CALL MZPUSH(IXCONS,JPHXS,0,-NPSH,'R')
ENDIF
ELSEIF(Z.GT.100.) THEN
* Just in case we got called
CHMAIL = ' GPHXSI Error: Z > 100. No Sandia parameters. '
CALL GMAIL(0,0)
ENDIF
END