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fe4da5cc | 1 | |
2 | C********************************************************************* | |
3 | ||
4 | SUBROUTINE LUTEST(MTEST) | |
5 | ||
6 | C...Purpose: to provide a simple program (disguised as subroutine) to | |
7 | C...run at installation as a check that the program works as intended. | |
8 | COMMON/LUJETS/N,K(4000,5),P(4000,5),V(4000,5) | |
9 | COMMON/LUDAT1/MSTU(200),PARU(200),MSTJ(200),PARJ(200) | |
10 | SAVE /LUJETS/,/LUDAT1/ | |
11 | DIMENSION PSUM(5),PINI(6),PFIN(6) | |
12 | ||
13 | C...Loop over events to be generated. | |
14 | IF(MTEST.GE.1) CALL LUTABU(20) | |
15 | NERR=0 | |
16 | DO 180 IEV=1,600 | |
17 | ||
18 | C...Reset parameter values. Switch on some nonstandard features. | |
19 | MSTJ(1)=1 | |
20 | MSTJ(3)=0 | |
21 | MSTJ(11)=1 | |
22 | MSTJ(42)=2 | |
23 | MSTJ(43)=4 | |
24 | MSTJ(44)=2 | |
25 | PARJ(17)=0.1 | |
26 | PARJ(22)=1.5 | |
27 | PARJ(43)=1. | |
28 | PARJ(54)=-0.05 | |
29 | MSTJ(101)=5 | |
30 | MSTJ(104)=5 | |
31 | MSTJ(105)=0 | |
32 | MSTJ(107)=1 | |
33 | IF(IEV.EQ.301.OR.IEV.EQ.351.OR.IEV.EQ.401) MSTJ(116)=3 | |
34 | ||
35 | C...Ten events each for some single jets configurations. | |
36 | IF(IEV.LE.50) THEN | |
37 | ITY=(IEV+9)/10 | |
38 | MSTJ(3)=-1 | |
39 | IF(ITY.EQ.3.OR.ITY.EQ.4) MSTJ(11)=2 | |
40 | IF(ITY.EQ.1) CALL LU1ENT(1,1,15.,0.,0.) | |
41 | IF(ITY.EQ.2) CALL LU1ENT(1,3101,15.,0.,0.) | |
42 | IF(ITY.EQ.3) CALL LU1ENT(1,-2203,15.,0.,0.) | |
43 | IF(ITY.EQ.4) CALL LU1ENT(1,-4,30.,0.,0.) | |
44 | IF(ITY.EQ.5) CALL LU1ENT(1,21,15.,0.,0.) | |
45 | ||
46 | C...Ten events each for some simple jet systems; string fragmentation. | |
47 | ELSEIF(IEV.LE.130) THEN | |
48 | ITY=(IEV-41)/10 | |
49 | IF(ITY.EQ.1) CALL LU2ENT(1,1,-1,40.) | |
50 | IF(ITY.EQ.2) CALL LU2ENT(1,4,-4,30.) | |
51 | IF(ITY.EQ.3) CALL LU2ENT(1,2,2103,100.) | |
52 | IF(ITY.EQ.4) CALL LU2ENT(1,21,21,40.) | |
53 | IF(ITY.EQ.5) CALL LU3ENT(1,2101,21,-3203,30.,0.6,0.8) | |
54 | IF(ITY.EQ.6) CALL LU3ENT(1,5,21,-5,40.,0.9,0.8) | |
55 | IF(ITY.EQ.7) CALL LU3ENT(1,21,21,21,60.,0.7,0.5) | |
56 | IF(ITY.EQ.8) CALL LU4ENT(1,2,21,21,-2,40.,0.4,0.64,0.6,0.12,0.2) | |
57 | ||
58 | C...Seventy events with independent fragmentation and momentum cons. | |
59 | ELSEIF(IEV.LE.200) THEN | |
60 | ITY=1+(IEV-131)/16 | |
61 | MSTJ(2)=1+MOD(IEV-131,4) | |
62 | MSTJ(3)=1+MOD((IEV-131)/4,4) | |
63 | IF(ITY.EQ.1) CALL LU2ENT(1,4,-5,40.) | |
64 | IF(ITY.EQ.2) CALL LU3ENT(1,3,21,-3,40.,0.9,0.4) | |
65 | IF(ITY.EQ.3) CALL LU4ENT(1,2,21,21,-2,40.,0.4,0.64,0.6,0.12,0.2) | |
66 | IF(ITY.GE.4) CALL LU4ENT(1,2,-3,3,-2,40.,0.4,0.64,0.6,0.12,0.2) | |
67 | ||
68 | C...A hundred events with random jets (check invariant mass). | |
69 | ELSEIF(IEV.LE.300) THEN | |
70 | 100 DO 110 J=1,5 | |
71 | PSUM(J)=0. | |
72 | 110 CONTINUE | |
73 | NJET=2.+6.*RLU(0) | |
74 | DO 130 I=1,NJET | |
75 | KFL=21 | |
76 | IF(I.EQ.1) KFL=INT(1.+4.*RLU(0)) | |
77 | IF(I.EQ.NJET) KFL=-INT(1.+4.*RLU(0)) | |
78 | EJET=5.+20.*RLU(0) | |
79 | THETA=ACOS(2.*RLU(0)-1.) | |
80 | PHI=6.2832*RLU(0) | |
81 | IF(I.LT.NJET) CALL LU1ENT(-I,KFL,EJET,THETA,PHI) | |
82 | IF(I.EQ.NJET) CALL LU1ENT(I,KFL,EJET,THETA,PHI) | |
83 | IF(I.EQ.1.OR.I.EQ.NJET) MSTJ(93)=1 | |
84 | IF(I.EQ.1.OR.I.EQ.NJET) PSUM(5)=PSUM(5)+ULMASS(KFL) | |
85 | DO 120 J=1,4 | |
86 | PSUM(J)=PSUM(J)+P(I,J) | |
87 | 120 CONTINUE | |
88 | 130 CONTINUE | |
89 | IF(PSUM(4)**2-PSUM(1)**2-PSUM(2)**2-PSUM(3)**2.LT. | |
90 | & (PSUM(5)+PARJ(32))**2) GOTO 100 | |
91 | ||
92 | C...Fifty e+e- continuum events with matrix elements. | |
93 | ELSEIF(IEV.LE.350) THEN | |
94 | MSTJ(101)=2 | |
95 | CALL LUEEVT(0,40.) | |
96 | ||
97 | C...Fifty e+e- continuum event with varying shower options. | |
98 | ELSEIF(IEV.LE.400) THEN | |
99 | MSTJ(42)=1+MOD(IEV,2) | |
100 | MSTJ(43)=1+MOD(IEV/2,4) | |
101 | MSTJ(44)=MOD(IEV/8,3) | |
102 | CALL LUEEVT(0,90.) | |
103 | ||
104 | C...Fifty e+e- continuum events with coherent shower, including top. | |
105 | ELSEIF(IEV.LE.450) THEN | |
106 | MSTJ(104)=6 | |
107 | CALL LUEEVT(0,500.) | |
108 | ||
109 | C...Fifty Upsilon decays to ggg or gammagg with coherent shower. | |
110 | ELSEIF(IEV.LE.500) THEN | |
111 | CALL LUONIA(5,9.46) | |
112 | ||
113 | C...One decay each for some heavy mesons. | |
114 | ELSEIF(IEV.LE.560) THEN | |
115 | ITY=IEV-501 | |
116 | KFLS=2*(ITY/20)+1 | |
117 | KFLB=8-MOD(ITY/5,4) | |
118 | KFLC=KFLB-MOD(ITY,5) | |
119 | CALL LU1ENT(1,100*KFLB+10*KFLC+KFLS,0.,0.,0.) | |
120 | ||
121 | C...One decay each for some heavy baryons. | |
122 | ELSEIF(IEV.LE.600) THEN | |
123 | ITY=IEV-561 | |
124 | KFLS=2*(ITY/20)+2 | |
125 | KFLA=8-MOD(ITY/5,4) | |
126 | KFLB=KFLA-MOD(ITY,5) | |
127 | KFLC=MAX(1,KFLB-1) | |
128 | CALL LU1ENT(1,1000*KFLA+100*KFLB+10*KFLC+KFLS,0.,0.,0.) | |
129 | ENDIF | |
130 | ||
131 | C...Generate event. Find total momentum, energy and charge. | |
132 | DO 140 J=1,4 | |
133 | PINI(J)=PLU(0,J) | |
134 | 140 CONTINUE | |
135 | PINI(6)=PLU(0,6) | |
136 | CALL LUEXEC | |
137 | DO 150 J=1,4 | |
138 | PFIN(J)=PLU(0,J) | |
139 | 150 CONTINUE | |
140 | PFIN(6)=PLU(0,6) | |
141 | ||
142 | C...Check conservation of energy, momentum and charge; | |
143 | C...usually exact, but only approximate for single jets. | |
144 | MERR=0 | |
145 | IF(IEV.LE.50) THEN | |
146 | IF((PFIN(1)-PINI(1))**2+(PFIN(2)-PINI(2))**2.GE.4.) MERR=MERR+1 | |
147 | EPZREM=PINI(4)+PINI(3)-PFIN(4)-PFIN(3) | |
148 | IF(EPZREM.LT.0..OR.EPZREM.GT.2.*PARJ(31)) MERR=MERR+1 | |
149 | IF(ABS(PFIN(6)-PINI(6)).GT.2.1) MERR=MERR+1 | |
150 | ELSE | |
151 | DO 160 J=1,4 | |
152 | IF(ABS(PFIN(J)-PINI(J)).GT.0.0001*PINI(4)) MERR=MERR+1 | |
153 | 160 CONTINUE | |
154 | IF(ABS(PFIN(6)-PINI(6)).GT.0.1) MERR=MERR+1 | |
155 | ENDIF | |
156 | IF(MERR.NE.0) WRITE(MSTU(11),5000) (PINI(J),J=1,4),PINI(6), | |
157 | &(PFIN(J),J=1,4),PFIN(6) | |
158 | ||
159 | C...Check that all KF codes are known ones, and that partons/particles | |
160 | C...satisfy energy-momentum-mass relation. Store particle statistics. | |
161 | DO 170 I=1,N | |
162 | IF(K(I,1).GT.20) GOTO 170 | |
163 | IF(LUCOMP(K(I,2)).EQ.0) THEN | |
164 | WRITE(MSTU(11),5100) I | |
165 | MERR=MERR+1 | |
166 | ENDIF | |
167 | PD=P(I,4)**2-P(I,1)**2-P(I,2)**2-P(I,3)**2-P(I,5)**2 | |
168 | IF(ABS(PD).GT.MAX(0.1,0.001*P(I,4)**2).OR.P(I,4).LT.0.) THEN | |
169 | WRITE(MSTU(11),5200) I | |
170 | MERR=MERR+1 | |
171 | ENDIF | |
172 | 170 CONTINUE | |
173 | IF(MTEST.GE.1) CALL LUTABU(21) | |
174 | ||
175 | C...List all erroneous events and some normal ones. | |
176 | IF(MERR.NE.0.OR.MSTU(24).NE.0.OR.MSTU(28).NE.0) THEN | |
177 | CALL LULIST(2) | |
178 | ELSEIF(MTEST.GE.1.AND.MOD(IEV-5,100).EQ.0) THEN | |
179 | CALL LULIST(1) | |
180 | ENDIF | |
181 | ||
182 | C...Stop execution if too many errors. | |
183 | IF(MERR.NE.0) NERR=NERR+1 | |
184 | IF(NERR.GE.10) THEN | |
185 | WRITE(MSTU(11),5300) IEV | |
186 | STOP | |
187 | ENDIF | |
188 | 180 CONTINUE | |
189 | ||
190 | C...Summarize result of run. | |
191 | IF(MTEST.GE.1) CALL LUTABU(22) | |
192 | IF(NERR.EQ.0) WRITE(MSTU(11),5400) | |
193 | IF(NERR.GT.0) WRITE(MSTU(11),5500) NERR | |
194 | ||
195 | C...Reset commonblock variables changed during run. | |
196 | MSTJ(2)=3 | |
197 | PARJ(17)=0. | |
198 | PARJ(22)=1. | |
199 | PARJ(43)=0.5 | |
200 | PARJ(54)=0. | |
201 | MSTJ(105)=1 | |
202 | MSTJ(107)=0 | |
203 | ||
204 | C...Format statements for output. | |
205 | 5000 FORMAT(/' Momentum, energy and/or charge were not conserved ', | |
206 | &'in following event'/' sum of',9X,'px',11X,'py',11X,'pz',11X, | |
207 | &'E',8X,'charge'/' before',2X,4(1X,F12.5),1X,F8.2/' after',3X, | |
208 | &4(1X,F12.5),1X,F8.2) | |
209 | 5100 FORMAT(/5X,'Entry no.',I4,' in following event not known code') | |
210 | 5200 FORMAT(/5X,'Entry no.',I4,' in following event has faulty ', | |
211 | &'kinematics') | |
212 | 5300 FORMAT(/5X,'Ten errors experienced by event ',I3/ | |
213 | &5X,'Something is seriously wrong! Execution stopped now!') | |
214 | 5400 FORMAT(//5X,'End result of LUTEST: no errors detected.') | |
215 | 5500 FORMAT(//5X,'End result of LUTEST:',I2,' errors detected.'/ | |
216 | &5X,'This should not have happened!') | |
217 | ||
218 | RETURN | |
219 | END |