5 * Revision 1.2 1996/02/27 10:04:49 ravndal
6 * Precision problem solved
8 * Revision 1.1.1.1 1995/10/24 10:21:05 cernlib
12 #include "geant321/pilot.h"
13 *CMZ : 3.21/02 29/03/94 15.41.40 by S.Giani
15 SUBROUTINE TWOCLU(IPPP,NFL,AVERN)
17 C *** GENERATION OF X- AND PT- VALUES FOR ALL PRODUCED PARTICLES ***
18 C *** NVE 01-AUG-1988 CERN GENEVA ***
20 C ORIGIN : H.FESEFELDT (11-OCT-1987)
22 C A SIMPLE TWO CLUSTER MODEL IS USED
23 C THIS SHOULD BE SUFFICIENT FOR LOW ENERGY INTERACTIONS
25 #include "geant321/s_defcom.inc"
26 #include "geant321/s_genio.inc"
29 DIMENSION SIDE(MXGKCU),C1PAR(5),G1PAR(5),NUCSUP(5)
31 DATA C1PAR/0.6,0.6,0.35,0.15,0.10/
32 DATA G1PAR/2.6,2.6,1.8,1.30,1.20/
33 DATA NUCSUP/1.0,0.8,0.6,0.5,0.4/
36 BPP(X)=4.000+1.600*LOG(X)
52 CFA=0.025*((ATNO2-1.)/120.)*EXP(-(ATNO2-1.)/120.)
53 IF(P.LT.0.001) GOTO 60
56 C** CHECK MASS-INDICES FOR ALL PARTICLES
59 IF(IPA(I).EQ.0) GOTO 1
63 CALL VZERO(IPA(NT+1),MXGKCU-NT)
65 C** SET THE EFFECTICE 4-MOMENTUM-VECTOR FOR INTERACTION
79 C** DISTRIBUTE PARTICLES IN FORWARD AND BACKWARD HEMISPHERE OF CMS
80 C** OF THE HADRON NUCLEON INTERACTION
88 IF (I .LE. 2) GO TO 78
91 IF (RNDM(1) .LT. 0.5) SIDE(I)=-1.
92 IF (SIDE(I) .LT. 0.) GO TO 76
94 C --- PARTICLE IN FORWARD HEMISPHERE ---
97 IF (IFOR .LE. 18) GO TO 78
99 C --- CHANGE IT TO BACKWARD ---
105 C --- PARTICLE IN BACKWARD HEMISPHERE ---
108 IF (IBACK .LE. 18) GO TO 78
110 C --- CHANGE IT TO FORWARD ---
115 C** SUPPRESSION OF CHARGED PIONS FOR VARIOUS REASONS
117 78 IF(IPART.EQ.15.OR.IPART.GE.17) GOTO 3
118 IF(ABS(IPA(I)).GE.10) GOTO 3
119 IF(ABS(IPA(I)).EQ. 8) GOTO 3
121 IF(RNDM(1).GT.(10.-P)/6.) GOTO 3
123 IF(RNDM(1).GT.ATNO2/300.) GOTO 3
126 IF(RNDM(1).GT.ZNO2/ATNO2) IPA(I)=16
131 IF(RS.LT.(2.0+RNDM(1))) TB=(2.*IBACK+NT)/2.
133 C** NUCLEONS + SOME PIONS FROM INTRANUCLEAR CASCADE
135 AFC=0.312+0.200*LOG(LOG(S))
136 XTARG=AFC*(ATNO2**0.33-1.0)*TB
137 IF(XTARG.LE.0.) XTARG=0.01
138 CALL POISSO(XTARG,NTARG)
140 IF(NT2.LE.MXGKPV-30) GOTO 2
145 *WRITE(NEWBCD,3001) NTARG,NT
147 IF(NTARG.EQ.0) GOTO 51
153 IF(RAN.LT.NUCSUP(IPX)) GOTO 52
155 IPA(I)=-(7+IFIX(RNDM(1)*3.0))
160 IF(RNDM(1).GT.PNRAT) IPA(I)=-14
165 C** CHOOSE MASSES AND CHARGES FOR ALL PARTICLES
172 IF(PV(5,I).LT.0.) PV(7,I)=-1.
176 C** MARK LEADING STRANGE PARTICLES
179 IF(IPART.LT.10.OR.IPART.EQ.14.OR.IPART.EQ.16) GOTO 6
181 IF(IPA1.LT.10.OR.IPA1.EQ.14.OR.IPA1.EQ.16) GOTO 531
185 IF(IPA1.LT.10.OR.IPA1.EQ.14.OR.IPA1.EQ.16) GOTO 6
188 C** CHECK AVAILABLE KINETIC ENERGY , CHANGE HEMISPHERE FOR PARTICLES
191 6 IF(NT.LE.1) GOTO 60
194 IF(SIDE(I).LT.-1.5) GOTO 7
195 TAVAI=TAVAI+ABS(PV(5,I))
197 IF(TAVAI.LT.RS) GOTO 12
199 *WRITE(NEWBCD,3002) (IPA(I),I=1,20),(SIDE(I),I=1,20),TAVAI,RS
200 3002 FORMAT(' *TWOCLU* CHECK AVAILABLE ENERGIES'/
201 * 1H ,20I5/1H ,20F5.0/1H ,'TAVAI,RS ',2F10.3)
204 IF(SIDE(II).LT.-1.5) GOTO 10
219 12 IF(NT.LE.1) GOTO 60
223 C** CHOOSE MASSES FOR THE 3 CLUSTER: 1. FORWARD CLUSTER
224 C** 2. BACKWARD MESON CLUSTER 3. BACKWARD NUCLEON CLUSTER
233 IF(SIDE(I).GT.0.) RMC0=RMC0+ABS(PV(5,I))
234 IF(SIDE(I).GT.0.) NTC =NTC +1
235 IF(SIDE(I).LT.0..AND.SIDE(I).GT.-1.5) RMD0=RMD0+ABS(PV(5,I))
236 IF( SIDE(I).LT.-1.5) RME0=RME0+ABS(PV(5,I))
237 IF(SIDE(I).LT.0..AND.SIDE(I).GT.-1.5) NTD =NTD +1
238 IF( SIDE(I).LT.-1.5) NTE =NTE +1
240 32 CALL GRNDM(RNDM,1)
250 IF (DUMNVE .EQ. 0.0) DUMNVE=1.0E-10
251 RMC=RMC0+RMC**CPAR/DUMNVE
262 IF (DUMNVE .EQ. 0.0) DUMNVE=1.0E-10
263 RMD=RMD0+RMD**CPAR/DUMNVE
264 34 IF(RMC+RMD-RS.LT.1.E-6) GO TO 35
265 IF (RMC.LE.RMC0.AND.RMD.LE.RMD0) THEN
266 HNRMDC = 0.999*RS/(RMC+RMD)
274 35 IF(NTE.LE.0) GOTO 38
285 IF (DUMNVE .EQ. 0.0) DUMNVE=1.0E-10
286 RME=RME0+RME**CPAR/DUMNVE
288 C** SET BEAM , TARGET OF FIRST INTERACTION IN CMS
293 PV( 5,MX1) =ABS(AMAS)
294 PV( 4,MX1) =SQRT(P*P+AMAS*AMAS)
301 C** TRANSFORM INTO CMS.
306 PF=(S+RMD*RMD-RMC*RMC)**2 - 4*S*RMD*RMD
307 IF(PF.LT.0.0001) PF=0.0001
309 IF (DUMNVE .EQ. 0.0) DUMNVE=1.0E-10
311 IF(NPRT(4)) WRITE(6,2002) PF,RMC,RMD,RS
313 C** SET FINAL STATE MASSES AND ENERGIES IN CMS
317 PV(4,MX3) =SQRT(PF*PF+RMC*RMC)
318 PV(4,MX4) =SQRT(PF*PF+RMD*RMD)
320 C** SET |T| AND |TMIN|
324 IF (B .NE. 0.0) T=LOG(1.-RNDM(1))/B
326 TACMIN=(PV(4,MX1) -PV(4,MX3))**2 -(PIN-PF)**2
328 C** CACULATE (SIN(TETA/2.)**2 AND COS(TETA), SET AZIMUTH ANGLE PHI
331 IF (DUMNVE .EQ. 0.0) DUMNVE=1.0E-10
332 CTET=-(T-TACMIN)/DUMNVE
334 IF (CTET .GT. 1.0) CTET=1.0
335 IF (CTET .LT. -1.0) CTET=-1.0
337 IF (DUMNVE .LT. 0.0) DUMNVE=0.0
342 C** CALCULATE FINAL STATE MOMENTA IN CMS
344 PV(1,MX3) =PF*STET*SIN(PHI)
345 PV(2,MX3) =PF*STET*COS(PHI)
347 PV(1,MX4) =-PV(1,MX3)
348 PV(2,MX4) =-PV(2,MX3)
349 PV(3,MX4) =-PV(3,MX3)
351 C** SIMULATE BACKWARD NUCLEON CLUSTER IN LAB. SYSTEM AND TRANSFORM IN
358 IF(EK.GT.5.) GOTO 666
359 EKIT1=EKIT1*EK**2/25.
360 EKIT2=EKIT2*EK**2/25.
361 666 A=(1.-GA)/(EKIT2**(1.-GA)-EKIT1**(1.-GA))
363 IF(SIDE(I).GT.-1.5) GOTO 29
366 EKIT=(RAN*(1.-GA)/A+EKIT1**(1.-GA))**(1./(1.-GA))
368 DUMNVE=ABS(PV(4,I)**2-PV(5,I)**2)
371 COST=LOG(2.23*RAN+0.383)/0.96
372 IF (COST .LT. -1.0) COST=-1.0
373 IF (COST .GT. 1.0) COST=1.0
375 IF (DUMNVE .LT. 0.0) DUMNVE=0.0
378 PV(1,I)=PP*SINT*SIN(PHI)
379 PV(2,I)=PP*SINT*COS(PHI)
384 C** FRAGMENTATION OF FORWARD CLUSTER AND BACKWARD MESON CLUSTER
396 16 PV(J,I)=-PV(J,I-2)
398 17 PV(J,I)= PV(J,I-2)
404 IF(SIDE(I).LT.0.) GOTO 18
410 AMASS(NPG)=ABS(PV(5,I))
412 IF(NPRT(4)) WRITE(NEWBCD,2004) TECM,NPG,(AMASS(I),I=1,NPG)
416 IF(SIDE(I).LT.0.) GOTO 19
422 IF(NPRT(4)) WRITE(NEWBCD,2001) I,(PV(J,I),J=1,5)
424 IF(NPRT(4)) WRITE(NEWBCD,2001) I,(PV(J,I),J=1,10),IPA(I),SIDE(I)
426 26 IF(NTD.LE.1) GOTO 27
430 IF(SIDE(I).GT.0..OR.SIDE(I).LT.-1.5) GOTO 20
440 AMASS(NPG)=ABS(PV(5,I))
442 IF(NPRT(4)) WRITE(NEWBCD,2004) TECM,NPG,(AMASS(I),I=1,NPG)
446 IF(SIDE(I).GT.0..OR.SIDE(I).LT.-1.5) GOTO 21
452 IF(NPRT(4)) WRITE(NEWBCD,2001) I,(PV(J,I),J=1,5)
454 IF(NPRT(4)) WRITE(NEWBCD,2001) I,(PV(J,I),J=1,10),IPA(I),SIDE(I)
457 C** LORENTZ TRANSFORMATION IN LAB SYSTEM
461 IF(PV(5,I).GT.0.5) TARG=TARG+1.
464 IF(TARG.LT.0.5) TARG=1.
466 C** SOMETIMES THE LEADING STRANGE PARTICLES ARE LOST , SET THEM BACK
468 IF(LEAD.EQ.0) GOTO 6085
470 IF(ABS(IPA(I)).EQ.LEAD) GOTO 6085
473 IF(LEAD.GE.14.AND.ABS(IPA(2)).GE.14) I=2
474 IF(LEAD.LT.14.AND.ABS(IPA(2)).LT.14) I=2
476 EKIN=PV(4,I)-ABS(PV(5,I))
479 IF(PV(5,I).LT.0.) PV(7,I)=-1.
484 DUMNVE=ABS(PV(4,I)**2-PV(5,I)**2)
487 IF (PP .GE. 1.0E-6) GO TO 8000
491 PV(1,I)=PP1*SIN(RTHNVE)*COS(PHINVE)
492 PV(2,I)=PP1*SIN(RTHNVE)*SIN(PHINVE)
493 PV(3,I)=PP1*COS(RTHNVE)
496 PV(1,I)=PV(1,I)*PP1/PP
497 PV(2,I)=PV(2,I)*PP1/PP
498 PV(3,I)=PV(3,I)*PP1/PP
501 C** FOR VARIOUS REASONS, THE ENERGY BALANCE IS NOT SUFFICIENT,
502 C** CHECK THAT, ENERGY BALANCE, ANGLE OF FINAL SYSTEM E.T.C.
507 PV(4,MX4) =SQRT(P*P+AMAS*AMAS)
509 EKIN0=PV(4,MX4) -PV(5,MX4)
515 EKIN=PV(4,MX4) +PV(4,MX5)
517 IF(NPRT(4)) WRITE(NEWBCD,2001) I,(PV(J,I),J=1,5)
519 IF(NPRT(4)) WRITE(NEWBCD,2001) I,(PV(J,I),J=1,5)
520 CALL ADD(MX4,MX5,MX6)
521 CALL LOR(MX4,MX6,MX4)
522 CALL LOR(MX5,MX6,MX5)
523 TECM=PV(4,MX4) +PV(4,MX5)
532 IF(NPRT(4)) WRITE(NEWBCD,2001) I,(PV(J,I),J=1,10),IPA(I),SIDE(I)
534 EKIN1=EKIN1+PV(4,I)-PV(5,I)
539 IF(NPG.GT.18) GOTO 597
548 CALL LOR(MX7,MX5,MX7)
549 599 EKIN=EKIN+PV(4,MX7)-PV(5,MX7)
550 CALL ANG(MX8,MX4,COST,TETA)
551 IF(NPRT(4)) WRITE(NEWBCD,2003) TETA,EKIN0,EKIN1,EKIN
553 C** MAKE SHURE, THAT KINETIC ENERGIES ARE CORRECT
554 C** THE 3. CLUSTER IS NOT PRODUCED WITHIN PROPER KINEMATICS!!!
555 C** EKIN= KINETIC ENERGY THEORETICALLY
556 C** EKIN1= KINETIC ENERGY SIMULATED
558 597 IF(EKIN1.EQ.0.) GOTO 600
570 DUMNVE=ABS(PV(4,I)**2-PV(5,I)**2)
574 IF (PP1 .GE. 1.0E-6) GO TO 8002
578 PV(1,I)=PP*SIN(RTHNVE)*COS(PHINVE)
579 PV(2,I)=PP*SIN(RTHNVE)*SIN(PHINVE)
580 PV(3,I)=PP*COS(RTHNVE)
583 PV(1,I)=PV(1,I)*PP/PP1
584 PV(2,I)=PV(2,I)*PP/PP1
585 PV(3,I)=PV(3,I)*PP/PP1
591 CALL ANG(MX7,MX4,COST,TETA)
592 IF(NPRT(4)) WRITE(NEWBCD,2003) TETA,EKIN0,EKIN1
594 C** ROTATE IN DIRECTION OF Z-AXIS, SEE COMMENTS IN 'GENXPT'
602 596 CALL ADD(MX7,I,MX7)
603 * call rannor(ran1,ran2)
611 PV(1,MX7)=PV(1,MX7)+RAN1*0.020*TARG
612 PV(2,MX7)=PV(2,MX7)+RAN2*0.020*TARG
613 CALL DEFS(MX4,MX7,MX8)
621 595 CALL ADD(MX7,I,MX7)
622 CALL ANG(MX7,MX4,COST,TETA)
623 IF(NPRT(4)) WRITE(NEWBCD,2003) TETA
625 C** ROTATE IN DIRECTION OF PRIMARY PARTICLE
631 CALL DEFS1(I,MXGKPV-1,I)
632 IF(NPRT(4)) WRITE(NEWBCD,2001) I,(PV(J,I),J=1,10),IPA(I),SIDE(I)
633 IF(ATNO2.LT.1.5) GOTO 25
635 EKIN=PV(4,I)-ABS(PV(5,I))
637 EKIN=EKIN-CFA*(1.+0.5*RAN)
638 IF (EKIN .LT. 1.0E-6) EKIN=1.0E-6
640 DEKIN=DEKIN+EKIN*(1.-XXH)
642 IF(ABS(IPA(I)).GE.7.AND.ABS(IPA(I)).LE.9) NPIONS=NPIONS+1
643 IF(ABS(IPA(I)).GE.7.AND.ABS(IPA(I)).LE.9) EK1=EK1+EKIN
644 PP1=SQRT(EKIN*(EKIN+2.*ABS(PV(5,I))))
645 PV(4,I)=EKIN+ABS(PV(5,I))
647 IF (PP .GE. 1.0E-6) GO TO 8004
651 PV(1,I)=PP1*SIN(RTHNVE)*COS(PHINVE)
652 PV(2,I)=PP1*SIN(RTHNVE)*SIN(PHINVE)
653 PV(3,I)=PP1*COS(RTHNVE)
656 PV(1,I)=PV(1,I)*PP1/PP
657 PV(2,I)=PV(2,I)*PP1/PP
658 PV(3,I)=PV(3,I)*PP1/PP
662 IF(EK1.EQ.0.) GOTO 23
663 IF(NPIONS.LE.0) GOTO 23
666 IF(ABS(IPA(I)).LT.7.OR.ABS(IPA(I)).GT.9) GOTO 22
668 EKIN=PV(4,I)-ABS(PV(5,I))
670 IF (EKIN .LT. 1.0E-6) EKIN=1.0E-6
671 PP1=SQRT(EKIN*(EKIN+2.*ABS(PV(5,I))))
672 PV(4,I)=EKIN+ABS(PV(5,I))
674 IF (PP .GE. 1.0E-6) GO TO 8006
678 PV(1,I)=PP1*SIN(RTHNVE)*COS(PHINVE)
679 PV(2,I)=PP1*SIN(RTHNVE)*SIN(PHINVE)
680 PV(3,I)=PP1*COS(RTHNVE)
683 PV(1,I)=PV(1,I)*PP1/PP
684 PV(2,I)=PV(2,I)*PP1/PP
685 PV(3,I)=PV(3,I)*PP1/PP
689 23 IF(ATNO2.LT.1.5) GOTO 40
691 C** ADD BLACK TRACK PARTICLES
696 IF(TEX.LT.0.001) GOTO 445
697 BLACK=(1.5+1.25*TARG)*ENP(1)/(ENP(1)+ENP(3))
698 CALL POISSO(BLACK,NBL)
700 *WRITE(NEWBCD,3003) NBL,TEX
701 IF(IFIX(TARG)+NBL.GT.ATNO2) NBL=ATNO2-TARG
702 IF(NT+NBL.GT.MXGKPV-2) NBL=MXGKPV-2-NT
703 IF(NBL.LE.0) GOTO 445
709 IF(RNDM(1).LT.SPROB) GOTO 441
710 IF(NT.EQ.MXGKPV-2) GOTO 441
711 IF(EKIN2.GT.TEX) GOTO 443
715 EKIN1=-EKIN*LOG(RAN1)-CFA*(1.+0.5*RAN2)
716 IF(EKIN1.LT.0.0) EKIN1=-0.010*LOG(RAN1)
719 IF(EKIN2.GT.TEX) EKIN1=TEX-(EKIN2-EKIN1)
720 IF (EKIN1 .LT. 0.0) EKIN1=1.0E-6
724 IF(RNDM(1).GT.PNRAT) IPA1=14
727 COST=-1.0+RNDM(2)*2.0
729 IF (DUMNVE .LT. 0.0) DUMNVE=0.0
734 PV(5,NT)=ABS(RMASS(IPA1))
735 PV(6,NT)=RCHARG(IPA1)
737 PV(4,NT)=EKIN1+PV(5,NT)
738 DUMNVE=ABS(PV(4,NT)**2-PV(5,NT)**2)
740 PV(1,NT)=PP*SINT*SIN(PHI)
741 PV(2,NT)=PP*SINT*COS(PHI)
744 443 IF(ATNO2.LT.10.) GOTO 445
745 IF(EK.GT.2.0) GOTO 445
749 IF(EKA.GT.1.) EKA=EKA*EKA
750 IF(EKA.LT.0.1) EKA=0.1
751 IKA=3.6*EXP((ZNO2**2/ATNO2-35.56)/6.45)/EKA
752 IF(IKA.LE.0) GO TO 445
755 IF(IPA(II).NE.-14) GOTO 444
758 PV(5,II)=ABS(RMASS(IPA1))
759 PV(6,II)=RCHARG(IPA1)
761 IF(KK.GT.IKA) GOTO 445
764 IF(TEX.LT.0.001) GOTO 40
765 BLACK=(1.5+1.25*TARG)*ENP(3)/(ENP(1)+ENP(3))
766 CALL POISSO(BLACK,NBL)
767 IF(NT+NBL.GT.MXGKPV-2) NBL=MXGKPV-2-NT
773 *WRITE(NEWBCD,3004) NBL,TEX
776 IF(RNDM(1).LT.SPROB) GOTO 442
777 IF(NT.EQ.MXGKPV-2) GOTO 442
778 IF(EKIN2.GT.TEX) GOTO 40
782 EKIN1=-EKIN*LOG(RAN1)-CFA*(1.+0.5*RAN2)
783 IF(EKIN1.LT.0.0) EKIN1=-0.005*LOG(RAN1)
786 IF(EKIN2.GT.TEX) EKIN1=TEX-(EKIN2-EKIN1)
787 IF (EKIN1 .LT. 0.0) EKIN1=1.0E-6
789 COST=-1.0+RNDM(1)*2.0
791 IF (DUMNVE .LT. 0.0) DUMNVE=0.0
796 IF(RAN.GT.0.60) IPA(NT+1)=-31
797 IF(RAN.GT.0.90) IPA(NT+1)=-32
799 PV(5,NT+1)=(ABS(IPA(NT+1))-28)*MP
800 SPALL=SPALL+PV(5,NT+1)*1.066
801 IF(SPALL.GT.ATNO2) GOTO 40
804 IF(IPA(NT).EQ.-32) PV(6,NT)=2.
806 PV(4,NT)=PV(5,NT)+EKIN1
807 DUMNVE=ABS(PV(4,NT)**2-PV(5,NT)**2)
809 PV(1,NT)=PP*SINT*SIN(PHI)
810 PV(2,NT)=PP*SINT*COS(PHI)
814 C** STORE ON EVENT COMMON
816 40 CALL GRNDM(RNDM,1)
817 IF(RS.GT.(4.+RNDM(1)*1.)) GOTO 42
822 PV(4,I)=SQRT(PV(5,I)**2+ETF**2)
824 IF (DUMNVE .EQ. 0.0) DUMNVE=1.0E-10
830 42 EKIN=PV(4,MXGKPV)-ABS(PV(5,MXGKPV))
831 EKIN1=PV(4,MXGKPV-1)-ABS(PV(5,MXGKPV-1))
836 TOF=TOF-TOF1*LOG(RAN)
838 EKIN2=EKIN2+PV(4,I)-ABS(PV(5,I))
839 IF(PV(7,I).LT.0.) PV(5,I)=-PV(5,I)
844 IF(NPRT(4)) WRITE(NEWBCD,2006) NT,EKIN,ENP(1),ENP(3),EKIN1,EKIN2
851 IF(NTOT.LT.NSIZE/12) GOTO 43
858 C** IT IS NOT POSSIBLE TO PRODUCE A PROPER TWO CLUSTER FINAL STATE.
859 C** CONTINUE WITH QUASI ELASTIC SCATTERING
861 60 IF(NPRT(4)) WRITE(NEWBCD,2005)
866 IF(NFL.EQ.2) IPA(2)=16
867 CALL TWOB(IPPP,NFL,AVERN)
870 2000 FORMAT(' *TWOCLU* CMS PARAMETERS OF FINAL STATE PARTICLES',
871 $ ' AFTER ',I3,' TRIALS')
872 2001 FORMAT(' *TWOCLU* TRACK',2X,I3,2X,10F8.2,2X,I3,2X,F3.0)
873 2002 FORMAT(' *TWOCLU* MOMENTUM ',F8.3,' MASSES ',2F8.4,' RS ',F8.4)
874 2003 FORMAT(' *TWOCLU* TETA,EKIN0,EKIN1,EKIN ',4F10.4)
875 2004 FORMAT(' *TWOCLU* TECM,NPB,MASSES: ',F10.4,1X,I3,1X,8F10.4/
876 $ 1H ,26X,15X,8F10.4)
877 2005 FORMAT(' *TWOCLU* NUMBER OF FINAL STATE PARTICLES',
878 $ ' LESS THAN 2 ==> CONTINUE WITH 2-BODY SCATTERING')
879 2006 FORMAT(' *TWOCLU* COMP.',1X,I5,1X,5F7.2)
880 3001 FORMAT(' *TWOCLU* NUCLEAR EXCITATION ',I5,' PARTICLES PRODUCED',
881 $ ' IN ADDITION TO',I5,' NORMAL PARTICLES')
882 3003 FORMAT(' *TWOCLU* ',I3,' BLACK TRACK PARTICLES PRODUCED',
883 $ ' WITH TOTAL KINETIC ENERGY OF ',F8.3,' GEV')
884 3004 FORMAT(' *TWOCLU* ',I5,' HEAVY FRAGMENTS WITH TOTAL ENERGY OF ',