| 1 | SUBROUTINE EGS4( EEIN )
|
|---|
| 2 |
|
|---|
| 3 | C---------------------------------------------------------------------
|
|---|
| 4 | C E(LECTRON) G(AMMA) S(HOWER)
|
|---|
| 5 | C
|
|---|
| 6 | C TREATES ELECTROMAGNETIC SUBSHOWER
|
|---|
| 7 | C THIS SUBROUTINE PACKAGE IS CALLED FROM EM
|
|---|
| 8 | C ARGUMENT:
|
|---|
| 9 | C EEIN = (R8) INCOMING PARTICLE ENERGY (GEV)
|
|---|
| 10 | C
|
|---|
| 11 | C DESIGN : D. HECK IK3 FZK KARLSRUHE
|
|---|
| 12 | C---------------------------------------------------------------------
|
|---|
| 13 |
|
|---|
| 14 | DOUBLE PRECISION EEIN
|
|---|
| 15 | *KEEP,GENER.
|
|---|
| 16 | COMMON /GENER/ GEN,ALEVEL
|
|---|
| 17 | DOUBLE PRECISION GEN,ALEVEL
|
|---|
| 18 | *KEND.
|
|---|
| 19 | COMMON/GEOM/ZALTIT,BOUND(6),NEWOBS,OBSLVL(10)
|
|---|
| 20 | *KEEP,LONGI.
|
|---|
| 21 | COMMON /LONGI/ APLONG,HLONG,PLONG,SPLONG,THSTEP,THSTPI,
|
|---|
| 22 | * NSTEP,LLONGI,FLGFIT
|
|---|
| 23 | DOUBLE PRECISION APLONG(0:1040,9),HLONG(0:1024),PLONG(0:1040,9),
|
|---|
| 24 | * SPLONG(0:1040,9),THSTEP,THSTPI
|
|---|
| 25 | INTEGER NSTEP
|
|---|
| 26 | LOGICAL LLONGI,FLGFIT
|
|---|
| 27 | *KEND.
|
|---|
| 28 | COMMON/MISC/KMPI,KMPO,DUNIT,NOSCAT,MED(6),RHOR(6),IRAYLR(6)
|
|---|
| 29 | *KEEP,OBSPAR.
|
|---|
| 30 | COMMON /OBSPAR/ OBSLEV,THCKOB,XOFF,YOFF,THETAP,PHIP,
|
|---|
| 31 | * THETPR,PHIPR,NOBSLV
|
|---|
| 32 | DOUBLE PRECISION OBSLEV(10),THCKOB(10),XOFF(10),YOFF(10),
|
|---|
| 33 | * THETAP,THETPR(2),PHIP,PHIPR(2)
|
|---|
| 34 | INTEGER NOBSLV
|
|---|
| 35 | *KEEP,PARPAR.
|
|---|
| 36 | COMMON /PARPAR/ CURPAR,SECPAR,PRMPAR,OUTPAR,C,
|
|---|
| 37 | * E00,E00PN,PTOT0,PTOT0N,THICKH,ITYPE,LEVL
|
|---|
| 38 | DOUBLE PRECISION CURPAR(14),SECPAR(14),PRMPAR(14),OUTPAR(14),
|
|---|
| 39 | * C(50),E00,E00PN,PTOT0,PTOT0N,THICKH
|
|---|
| 40 | INTEGER ITYPE,LEVL
|
|---|
| 41 | *KEND.
|
|---|
| 42 | DOUBLE PRECISION PI0MSQ
|
|---|
| 43 | COMMON/PION/PI0MSQ,PITHR,PICMAS,PI0MAS,AMASK0,AMASKC,AMASPR,AMASNT
|
|---|
| 44 | *KEEP,REJECT.
|
|---|
| 45 | COMMON /REJECT/ AVNREJ,
|
|---|
| 46 | * ALTMIN,ANEXP,THICKA,THICKD,CUTLN,EONCUT,
|
|---|
| 47 | * FNPRIM
|
|---|
| 48 | DOUBLE PRECISION AVNREJ(10)
|
|---|
| 49 | REAL ALTMIN(10),ANEXP(10),THICKA(10),THICKD(10),
|
|---|
| 50 | * CUTLN,EONCUT
|
|---|
| 51 | LOGICAL FNPRIM
|
|---|
| 52 | *KEEP,RUNPAR.
|
|---|
| 53 | COMMON /RUNPAR/ FIXHEI,THICK0,HILOECM,HILOELB,
|
|---|
| 54 | * STEPFC,NRRUN,NSHOW,PATAPE,MONIIN,
|
|---|
| 55 | * MONIOU,MDEBUG,NUCNUC,
|
|---|
| 56 | * CETAPE,
|
|---|
| 57 | * SHOWNO,ISHW,NOPART,NRECS,NBLKS,MAXPRT,NDEBDL,
|
|---|
| 58 | * N1STTR,MDBASE,
|
|---|
| 59 | * DEBDEL,DEBUG,FDECAY,FEGS,FIRSTI,FIXINC,FIXTAR,
|
|---|
| 60 | * FIX1I,FMUADD,FNKG,FPRINT,FDBASE
|
|---|
| 61 | * ,GHEISH,GHESIG
|
|---|
| 62 | COMMON /RUNPAC/ DSN,HOST,USER
|
|---|
| 63 | DOUBLE PRECISION FIXHEI,THICK0,HILOECM,HILOELB
|
|---|
| 64 | REAL STEPFC
|
|---|
| 65 | INTEGER NRRUN,NSHOW,PATAPE,MONIIN,MONIOU,MDEBUG,NUCNUC,
|
|---|
| 66 | * SHOWNO,ISHW,NOPART,NRECS,NBLKS,MAXPRT,NDEBDL,
|
|---|
| 67 | * N1STTR,MDBASE
|
|---|
| 68 | INTEGER CETAPE
|
|---|
| 69 | CHARACTER*79 DSN
|
|---|
| 70 | CHARACTER*20 HOST,USER
|
|---|
| 71 |
|
|---|
| 72 | LOGICAL DEBDEL,DEBUG,FDECAY,FEGS,FIRSTI,FIXINC,FIXTAR,
|
|---|
| 73 | * FIX1I,FMUADD,FNKG,FPRINT,FDBASE
|
|---|
| 74 | * ,GHEISH,GHESIG
|
|---|
| 75 | *KEEP,STACKE.
|
|---|
| 76 | COMMON/STACKE/ E,TIME,X,Y,Z,U,V,W,DNEAR,IQ,IGEN,IR,IOBS,LPCTE,NP
|
|---|
| 77 | DOUBLE PRECISION E(60),TIME(60)
|
|---|
| 78 | REAL X(60),Y(60),Z(60),U(60),V(60),W(60),DNEAR(60)
|
|---|
| 79 | INTEGER IQ(60),IGEN(60),IR(60),IOBS(60),LPCTE(60),NP
|
|---|
| 80 | *KEND.
|
|---|
| 81 | COMMON/THRESH/RMT2,RMSQ,ESCD2,AP,API,AE,UP,UE,TE,THMOLL
|
|---|
| 82 | DOUBLE PRECISION PZERO,PRM,PRMT2,RMI,VC
|
|---|
| 83 | COMMON/USEFUL/PZERO,PRM,PRMT2,RMI,VC,RM,MEDIUM,MEDOLD,IBLOBE,ICALL
|
|---|
| 84 | COMMON/ACLOCK/NCLOCK,JCLOCK
|
|---|
| 85 | DOUBLE PRECISION THICK
|
|---|
| 86 | CHARACTER MEDARR*24
|
|---|
| 87 | DATA MEDARR/'AIR-NTP '/
|
|---|
| 88 | C---------------------------------------------------------------------
|
|---|
| 89 |
|
|---|
| 90 | IF((DEBUG))WRITE(MDEBUG,* )'EGS4 :'
|
|---|
| 91 | C*** CONVERSION GEV --> MEV
|
|---|
| 92 | E(1)= EEIN*1000.D0
|
|---|
| 93 | C*** CHECK ENERGY RANGE
|
|---|
| 94 | IQ(1)=NINT(SECPAR(1))
|
|---|
| 95 | IF ( IQ(1) .EQ. 1 ) THEN
|
|---|
| 96 | IF ( E(1) .GT. UP ) THEN
|
|---|
| 97 | CALL AUSGB2
|
|---|
| 98 | WRITE(KMPO,91) EEIN
|
|---|
| 99 | 91 FORMAT(' EGS4 : ENERGY OF GAMMA =',1P,E10.3,' GEV TOO HIGH')
|
|---|
| 100 | STOP
|
|---|
| 101 | ENDIF
|
|---|
| 102 | ELSE
|
|---|
| 103 | IF ( E(1) .GT. UE ) THEN
|
|---|
| 104 | CALL AUSGB2
|
|---|
| 105 | WRITE(KMPO,92) EEIN
|
|---|
| 106 | 92 FORMAT(' EGS4 :ENERGY OF ELECTRON/POSITRON =',1P,E10.3,
|
|---|
| 107 | * ' GEV TOO HIGH')
|
|---|
| 108 | STOP
|
|---|
| 109 | ENDIF
|
|---|
| 110 | ENDIF
|
|---|
| 111 | C*** FILL IN STARTING COORDINATES
|
|---|
| 112 | NP=1
|
|---|
| 113 | TIME(1)=SECPAR(6)
|
|---|
| 114 | X(1)=SECPAR(7)
|
|---|
| 115 | Y(1)=-SECPAR(8)
|
|---|
| 116 | C*** STARTS IN HEIGHT 'Z' DOWNWARDS
|
|---|
| 117 | Z(1)=-SECPAR(5)
|
|---|
| 118 | IF (LLONGI) LPCTE(1)=MIN(NSTEP,INT(THICK(SECPAR(5))*THSTPI)+1)
|
|---|
| 119 | SITHET=SQRT(1.D0-SECPAR(3)**2)
|
|---|
| 120 | C*** START DIRECTION COSINES
|
|---|
| 121 | U(NP)=SITHET*COS(-SECPAR(4))
|
|---|
| 122 | V(NP)=SITHET*SIN(-SECPAR(4))
|
|---|
| 123 | W(NP)=SECPAR(3)
|
|---|
| 124 | C*** RENORMALIZATION OF DIRECTION COSINES
|
|---|
| 125 | RADINV=1.5-0.5*(U(NP)**2+V(NP)**2+W(NP)**2)
|
|---|
| 126 | U(NP)=U(NP)*RADINV
|
|---|
| 127 | V(NP)=V(NP)*RADINV
|
|---|
| 128 | W(NP)=W(NP)*RADINV
|
|---|
| 129 | DNEAR(1)=0.
|
|---|
| 130 | IGEN(1)=GEN
|
|---|
| 131 | DO 101 K=1,5
|
|---|
| 132 | C *** DETERMINE START REGION
|
|---|
| 133 | IF (-BOUND(K).LE.Z(1) .AND. -BOUND(K+1).GT.Z(1)) THEN
|
|---|
| 134 | IR(1)=K+1
|
|---|
| 135 | GO TO 110
|
|---|
| 136 | END IF
|
|---|
| 137 | 101 CONTINUE
|
|---|
| 138 | 102 CONTINUE
|
|---|
| 139 | CALL AUSGB2
|
|---|
| 140 | WRITE(KMPO,120) -Z(1)*0.00001
|
|---|
| 141 | 120 FORMAT (' EGS4 : START VALUE OF Z=',1P,E10.3,' KM NOT IN ATMOSPH
|
|---|
| 142 | *ERE')
|
|---|
| 143 | STOP
|
|---|
| 144 | 110 CONTINUE
|
|---|
| 145 | DO 111 IDET=1,NOBSLV
|
|---|
| 146 | C *** DETERMINE NEXT OBSERVATION LEVEL
|
|---|
| 147 | IF (-Z(1).GE.OBSLVL(IDET)) THEN
|
|---|
| 148 | IOBS(1)=IDET
|
|---|
| 149 | GO TO 130
|
|---|
| 150 | END IF
|
|---|
| 151 | 111 CONTINUE
|
|---|
| 152 | 112 CONTINUE
|
|---|
| 153 | CALL AUSGB2
|
|---|
| 154 | WRITE(KMPO,140) -Z(1)*0.01,OBSLVL(NOBSLV)*0.01
|
|---|
| 155 | 140 FORMAT(' EGS4 : START VALUE OF Z= ',E10.3, ' M BELOW LOWEST DET'
|
|---|
| 156 | *, 'ECTOR AT',E10.3,' M')
|
|---|
| 157 | STOP
|
|---|
| 158 | C*** NEWOBS IS THE NEXT OBSERVATION LEVEL
|
|---|
| 159 | 130 NEWOBS=IOBS(NP)
|
|---|
| 160 | CALL SHOWER
|
|---|
| 161 | IF(DEBUG) WRITE(MDEBUG,*) 'EGS4 : EGS-STACK EMPTY, EXIT'
|
|---|
| 162 | RETURN
|
|---|
| 163 | END
|
|---|
