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0795afa3 | 1 | #include "isajet/pilot.h" |
2 | SUBROUTINE EVOL02 | |
3 | C---------------------------------------------------------------------- | |
4 | C- | |
5 | C- Purpose and Methods : | |
6 | C- Setup for process 2 (E+E-) | |
7 | C- Lorentz frames and perform initial and final QCD jet | |
8 | C- evolution in leading-log approximation. | |
9 | C- | |
10 | C- Created 13-AUG-1991 Frank E. Paige,Serban D. Protopopescu | |
11 | C- | |
12 | C---------------------------------------------------------------------- | |
13 | #if defined(CERNLIB_IMPNONE) | |
14 | IMPLICIT NONE | |
15 | #endif | |
16 | #include "isajet/primar.inc" | |
17 | #include "isajet/jetpar.inc" | |
18 | #include "isajet/pjets.inc" | |
19 | #include "isajet/jetset.inc" | |
20 | #include "isajet/jwork.inc" | |
21 | #include "isajet/jwork2.inc" | |
22 | #include "isajet/keys.inc" | |
23 | #include "isajet/frame.inc" | |
24 | REAL EVOLMS | |
25 | INTEGER I,K,J,NJSAVE,NJFINL | |
26 | C---------------------------------------------------------------------- | |
27 | C | |
28 | C Copy momenta from /PJETS/ to /JETSET/ | |
29 | N0JETS=NJSET+1 | |
30 | CALL IPJSET | |
31 | NJSAVE=NJSET | |
32 | C | |
33 | C Final state evolution. | |
34 | C Define Lorentz frames and JMATCH pointers for jet evolution | |
35 | C and fragmentation. | |
36 | C | |
37 | CALL IFRAMS(N0JETS,NJSAVE,1,.FALSE.) | |
38 | C | |
39 | C Set maximum off-shell masses and JDCAY flags. | |
40 | C | |
41 | NJFINL=N0JETS | |
42 | DO 310 J=N0JETS,NJSAVE | |
43 | IF((IABS(JTYPE(J)).LT.10).OR. | |
44 | $ (IABS(JTYPE(J)).GE.21.AND.IABS(JTYPE(J)).LE.29).OR. | |
45 | $ (IABS(JTYPE(J)).GE.41.AND.IABS(JTYPE(J)).LE.46))THEN | |
46 | PJSET(5,J)=EVOLMS(J,1.0) | |
47 | JDCAY(J)=-1 | |
48 | ENDIF | |
49 | 310 CONTINUE | |
50 | C | |
51 | C Produce final-state QCD parton cascade | |
52 | C | |
53 | CALL QCDJET(NJFINL) | |
54 | C | |
55 | RETURN | |
56 | END |