1 *CMZ : 17/07/98 15.44.33 by Federico Carminati
3 C*********************************************************************
5 SUBROUTINE LUNAME(KF,CHAU)
7 C...Purpose: to give the particle/parton name as a character string.
9 COMMON /LUDAT1/ MSTU(200),PARU(200),MSTJ(200),PARJ(200)
12 COMMON /LUDAT2/ KCHG(500,3),PMAS(500,4),PARF(2000),VCKM(4,4)
15 COMMON /LUDAT4/ CHAF(500)
21 C...Initial values. Charge. Subdivide code.
31 KFLR=MOD(KFA/10000,10)
33 C...Read out root name and spin for simple particle.
34 IF(KFA.LE.100.OR.(KFA.GT.100.AND.KC.GT.100)) THEN
38 100 IF(CHAU(LEM:LEM).NE.' ') LEN=LEM
40 C...Construct root name for diquark. Add on spin.
41 ELSEIF(KFLC.EQ.0) THEN
42 CHAU(1:2)=CHAF(KFLA)(1:1)//CHAF(KFLB)(1:1)
43 IF(KFLS.EQ.1) CHAU(3:4)='_0'
44 IF(KFLS.EQ.3) CHAU(3:4)='_1'
47 C...Construct root name for heavy meson. Add on spin and heavy flavour.
48 ELSEIF(KFLA.EQ.0) THEN
49 IF(KFLB.EQ.5) CHAU(1:1)='B'
50 IF(KFLB.EQ.6) CHAU(1:1)='T'
51 IF(KFLB.EQ.7) CHAU(1:1)='L'
52 IF(KFLB.EQ.8) CHAU(1:1)='H'
54 IF(KFLR.EQ.0.AND.KFLS.EQ.1) THEN
55 ELSEIF(KFLR.EQ.0.AND.KFLS.EQ.3) THEN
58 ELSEIF(KFLR.EQ.1.AND.KFLS.EQ.3) THEN
61 ELSEIF(KFLR.EQ.1.AND.KFLS.EQ.1) THEN
64 ELSEIF(KFLR.EQ.2) THEN
67 ELSEIF(KFLS.EQ.5) THEN
71 IF(KFLC.GE.3.AND.KFLR.EQ.0.AND.KFLS.LE.3) THEN
72 CHAU(LEN+1:LEN+2)='_'//CHAF(KFLC)(1:1)
74 ELSEIF(KFLC.GE.3) THEN
75 CHAU(LEN+1:LEN+1)=CHAF(KFLC)(1:1)
79 C...Construct root name and spin for heavy baryon.
81 IF(KFLB.LE.2.AND.KFLC.LE.2) THEN
83 IF(KFLC.GT.KFLB) CHAU='Lambda'
84 IF(KFLS.EQ.4) CHAU='Sigma*'
86 IF(CHAU(6:6).NE.' ') LEN=6
87 ELSEIF(KFLB.LE.2.OR.KFLC.LE.2) THEN
89 IF(KFLA.GT.KFLB.AND.KFLB.GT.KFLC) CHAU='Xi'''
90 IF(KFLS.EQ.4) CHAU='Xi*'
92 IF(CHAU(3:3).NE.' ') LEN=3
95 IF(KFLA.GT.KFLB.AND.KFLB.GT.KFLC) CHAU='Omega'''
96 IF(KFLS.EQ.4) CHAU='Omega*'
98 IF(CHAU(6:6).NE.' ') LEN=6
101 C...Add on heavy flavour content for heavy baryon.
102 CHAU(LEN+1:LEN+2)='_'//CHAF(KFLA)(1:1)
104 IF(KFLB.GE.KFLC.AND.KFLC.GE.4) THEN
105 CHAU(LEN+1:LEN+2)=CHAF(KFLB)(1:1)//CHAF(KFLC)(1:1)
107 ELSEIF(KFLB.GE.KFLC.AND.KFLB.GE.4) THEN
108 CHAU(LEN+1:LEN+1)=CHAF(KFLB)(1:1)
110 ELSEIF(KFLC.GT.KFLB.AND.KFLB.GE.4) THEN
111 CHAU(LEN+1:LEN+2)=CHAF(KFLC)(1:1)//CHAF(KFLB)(1:1)
113 ELSEIF(KFLC.GT.KFLB.AND.KFLC.GE.4) THEN
114 CHAU(LEN+1:LEN+1)=CHAF(KFLC)(1:1)
119 C...Add on bar sign for antiparticle (where necessary).
120 IF(KF.GT.0.OR.LEN.EQ.0) THEN
121 ELSEIF(KFA.GT.10.AND.KFA.LE.40.AND.KQ.NE.0) THEN
122 ELSEIF(KFA.EQ.89.OR.(KFA.GE.91.AND.KFA.LE.99)) THEN
123 ELSEIF(KFA.GT.100.AND.KFLA.EQ.0.AND.KQ.NE.0) THEN
124 ELSEIF(MSTU(15).LE.1) THEN
125 CHAU(LEN+1:LEN+1)='~'
128 CHAU(LEN+1:LEN+3)='bar'
132 C...Add on charge where applicable (conventional cases skipped).
133 IF(KQ.EQ.6) CHAU(LEN+1:LEN+2)='++'
134 IF(KQ.EQ.-6) CHAU(LEN+1:LEN+2)='--'
135 IF(KQ.EQ.3) CHAU(LEN+1:LEN+1)='+'
136 IF(KQ.EQ.-3) CHAU(LEN+1:LEN+1)='-'
137 IF(KQ.EQ.0.AND.(KFA.LE.22.OR.LEN.EQ.0)) THEN
138 ELSEIF(KQ.EQ.0.AND.(KFA.GE.81.AND.KFA.LE.100)) THEN
139 ELSEIF(KFA.GT.100.AND.KFLA.EQ.0.AND.KFLB.EQ.KFLC.AND.
142 CHAU(LEN+1:LEN+1)='0'