+++ /dev/null
-
-C*********************************************************************
-
- SUBROUTINE LUTEST(MTEST)
-
-C...Purpose: to provide a simple program (disguised as subroutine) to
-C...run at installation as a check that the program works as intended.
- COMMON/LUJETS/N,K(4000,5),P(4000,5),V(4000,5)
- COMMON/LUDAT1/MSTU(200),PARU(200),MSTJ(200),PARJ(200)
- SAVE /LUJETS/,/LUDAT1/
- DIMENSION PSUM(5),PINI(6),PFIN(6)
-
-C...Loop over events to be generated.
- IF(MTEST.GE.1) CALL LUTABU(20)
- NERR=0
- DO 180 IEV=1,600
-
-C...Reset parameter values. Switch on some nonstandard features.
- MSTJ(1)=1
- MSTJ(3)=0
- MSTJ(11)=1
- MSTJ(42)=2
- MSTJ(43)=4
- MSTJ(44)=2
- PARJ(17)=0.1
- PARJ(22)=1.5
- PARJ(43)=1.
- PARJ(54)=-0.05
- MSTJ(101)=5
- MSTJ(104)=5
- MSTJ(105)=0
- MSTJ(107)=1
- IF(IEV.EQ.301.OR.IEV.EQ.351.OR.IEV.EQ.401) MSTJ(116)=3
-
-C...Ten events each for some single jets configurations.
- IF(IEV.LE.50) THEN
- ITY=(IEV+9)/10
- MSTJ(3)=-1
- IF(ITY.EQ.3.OR.ITY.EQ.4) MSTJ(11)=2
- IF(ITY.EQ.1) CALL LU1ENT(1,1,15.,0.,0.)
- IF(ITY.EQ.2) CALL LU1ENT(1,3101,15.,0.,0.)
- IF(ITY.EQ.3) CALL LU1ENT(1,-2203,15.,0.,0.)
- IF(ITY.EQ.4) CALL LU1ENT(1,-4,30.,0.,0.)
- IF(ITY.EQ.5) CALL LU1ENT(1,21,15.,0.,0.)
-
-C...Ten events each for some simple jet systems; string fragmentation.
- ELSEIF(IEV.LE.130) THEN
- ITY=(IEV-41)/10
- IF(ITY.EQ.1) CALL LU2ENT(1,1,-1,40.)
- IF(ITY.EQ.2) CALL LU2ENT(1,4,-4,30.)
- IF(ITY.EQ.3) CALL LU2ENT(1,2,2103,100.)
- IF(ITY.EQ.4) CALL LU2ENT(1,21,21,40.)
- IF(ITY.EQ.5) CALL LU3ENT(1,2101,21,-3203,30.,0.6,0.8)
- IF(ITY.EQ.6) CALL LU3ENT(1,5,21,-5,40.,0.9,0.8)
- IF(ITY.EQ.7) CALL LU3ENT(1,21,21,21,60.,0.7,0.5)
- IF(ITY.EQ.8) CALL LU4ENT(1,2,21,21,-2,40.,0.4,0.64,0.6,0.12,0.2)
-
-C...Seventy events with independent fragmentation and momentum cons.
- ELSEIF(IEV.LE.200) THEN
- ITY=1+(IEV-131)/16
- MSTJ(2)=1+MOD(IEV-131,4)
- MSTJ(3)=1+MOD((IEV-131)/4,4)
- IF(ITY.EQ.1) CALL LU2ENT(1,4,-5,40.)
- IF(ITY.EQ.2) CALL LU3ENT(1,3,21,-3,40.,0.9,0.4)
- IF(ITY.EQ.3) CALL LU4ENT(1,2,21,21,-2,40.,0.4,0.64,0.6,0.12,0.2)
- IF(ITY.GE.4) CALL LU4ENT(1,2,-3,3,-2,40.,0.4,0.64,0.6,0.12,0.2)
-
-C...A hundred events with random jets (check invariant mass).
- ELSEIF(IEV.LE.300) THEN
- 100 DO 110 J=1,5
- PSUM(J)=0.
- 110 CONTINUE
- NJET=2.+6.*RLU(0)
- DO 130 I=1,NJET
- KFL=21
- IF(I.EQ.1) KFL=INT(1.+4.*RLU(0))
- IF(I.EQ.NJET) KFL=-INT(1.+4.*RLU(0))
- EJET=5.+20.*RLU(0)
- THETA=ACOS(2.*RLU(0)-1.)
- PHI=6.2832*RLU(0)
- IF(I.LT.NJET) CALL LU1ENT(-I,KFL,EJET,THETA,PHI)
- IF(I.EQ.NJET) CALL LU1ENT(I,KFL,EJET,THETA,PHI)
- IF(I.EQ.1.OR.I.EQ.NJET) MSTJ(93)=1
- IF(I.EQ.1.OR.I.EQ.NJET) PSUM(5)=PSUM(5)+ULMASS(KFL)
- DO 120 J=1,4
- PSUM(J)=PSUM(J)+P(I,J)
- 120 CONTINUE
- 130 CONTINUE
- IF(PSUM(4)**2-PSUM(1)**2-PSUM(2)**2-PSUM(3)**2.LT.
- & (PSUM(5)+PARJ(32))**2) GOTO 100
-
-C...Fifty e+e- continuum events with matrix elements.
- ELSEIF(IEV.LE.350) THEN
- MSTJ(101)=2
- CALL LUEEVT(0,40.)
-
-C...Fifty e+e- continuum event with varying shower options.
- ELSEIF(IEV.LE.400) THEN
- MSTJ(42)=1+MOD(IEV,2)
- MSTJ(43)=1+MOD(IEV/2,4)
- MSTJ(44)=MOD(IEV/8,3)
- CALL LUEEVT(0,90.)
-
-C...Fifty e+e- continuum events with coherent shower, including top.
- ELSEIF(IEV.LE.450) THEN
- MSTJ(104)=6
- CALL LUEEVT(0,500.)
-
-C...Fifty Upsilon decays to ggg or gammagg with coherent shower.
- ELSEIF(IEV.LE.500) THEN
- CALL LUONIA(5,9.46)
-
-C...One decay each for some heavy mesons.
- ELSEIF(IEV.LE.560) THEN
- ITY=IEV-501
- KFLS=2*(ITY/20)+1
- KFLB=8-MOD(ITY/5,4)
- KFLC=KFLB-MOD(ITY,5)
- CALL LU1ENT(1,100*KFLB+10*KFLC+KFLS,0.,0.,0.)
-
-C...One decay each for some heavy baryons.
- ELSEIF(IEV.LE.600) THEN
- ITY=IEV-561
- KFLS=2*(ITY/20)+2
- KFLA=8-MOD(ITY/5,4)
- KFLB=KFLA-MOD(ITY,5)
- KFLC=MAX(1,KFLB-1)
- CALL LU1ENT(1,1000*KFLA+100*KFLB+10*KFLC+KFLS,0.,0.,0.)
- ENDIF
-
-C...Generate event. Find total momentum, energy and charge.
- DO 140 J=1,4
- PINI(J)=PLU(0,J)
- 140 CONTINUE
- PINI(6)=PLU(0,6)
- CALL LUEXEC
- DO 150 J=1,4
- PFIN(J)=PLU(0,J)
- 150 CONTINUE
- PFIN(6)=PLU(0,6)
-
-C...Check conservation of energy, momentum and charge;
-C...usually exact, but only approximate for single jets.
- MERR=0
- IF(IEV.LE.50) THEN
- IF((PFIN(1)-PINI(1))**2+(PFIN(2)-PINI(2))**2.GE.4.) MERR=MERR+1
- EPZREM=PINI(4)+PINI(3)-PFIN(4)-PFIN(3)
- IF(EPZREM.LT.0..OR.EPZREM.GT.2.*PARJ(31)) MERR=MERR+1
- IF(ABS(PFIN(6)-PINI(6)).GT.2.1) MERR=MERR+1
- ELSE
- DO 160 J=1,4
- IF(ABS(PFIN(J)-PINI(J)).GT.0.0001*PINI(4)) MERR=MERR+1
- 160 CONTINUE
- IF(ABS(PFIN(6)-PINI(6)).GT.0.1) MERR=MERR+1
- ENDIF
- IF(MERR.NE.0) WRITE(MSTU(11),5000) (PINI(J),J=1,4),PINI(6),
- &(PFIN(J),J=1,4),PFIN(6)
-
-C...Check that all KF codes are known ones, and that partons/particles
-C...satisfy energy-momentum-mass relation. Store particle statistics.
- DO 170 I=1,N
- IF(K(I,1).GT.20) GOTO 170
- IF(LUCOMP(K(I,2)).EQ.0) THEN
- WRITE(MSTU(11),5100) I
- MERR=MERR+1
- ENDIF
- PD=P(I,4)**2-P(I,1)**2-P(I,2)**2-P(I,3)**2-P(I,5)**2
- IF(ABS(PD).GT.MAX(0.1,0.001*P(I,4)**2).OR.P(I,4).LT.0.) THEN
- WRITE(MSTU(11),5200) I
- MERR=MERR+1
- ENDIF
- 170 CONTINUE
- IF(MTEST.GE.1) CALL LUTABU(21)
-
-C...List all erroneous events and some normal ones.
- IF(MERR.NE.0.OR.MSTU(24).NE.0.OR.MSTU(28).NE.0) THEN
- CALL LULIST(2)
- ELSEIF(MTEST.GE.1.AND.MOD(IEV-5,100).EQ.0) THEN
- CALL LULIST(1)
- ENDIF
-
-C...Stop execution if too many errors.
- IF(MERR.NE.0) NERR=NERR+1
- IF(NERR.GE.10) THEN
- WRITE(MSTU(11),5300) IEV
- STOP
- ENDIF
- 180 CONTINUE
-
-C...Summarize result of run.
- IF(MTEST.GE.1) CALL LUTABU(22)
- IF(NERR.EQ.0) WRITE(MSTU(11),5400)
- IF(NERR.GT.0) WRITE(MSTU(11),5500) NERR
-
-C...Reset commonblock variables changed during run.
- MSTJ(2)=3
- PARJ(17)=0.
- PARJ(22)=1.
- PARJ(43)=0.5
- PARJ(54)=0.
- MSTJ(105)=1
- MSTJ(107)=0
-
-C...Format statements for output.
- 5000 FORMAT(/' Momentum, energy and/or charge were not conserved ',
- &'in following event'/' sum of',9X,'px',11X,'py',11X,'pz',11X,
- &'E',8X,'charge'/' before',2X,4(1X,F12.5),1X,F8.2/' after',3X,
- &4(1X,F12.5),1X,F8.2)
- 5100 FORMAT(/5X,'Entry no.',I4,' in following event not known code')
- 5200 FORMAT(/5X,'Entry no.',I4,' in following event has faulty ',
- &'kinematics')
- 5300 FORMAT(/5X,'Ten errors experienced by event ',I3/
- &5X,'Something is seriously wrong! Execution stopped now!')
- 5400 FORMAT(//5X,'End result of LUTEST: no errors detected.')
- 5500 FORMAT(//5X,'End result of LUTEST:',I2,' errors detected.'/
- &5X,'This should not have happened!')
-
- RETURN
- END
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