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Commit | Line | Data |
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2eef49c0 | 1 | C... ALICE interface to PDFLIB with possibility to select nuclear structure |
2 | C... functions. | |
3 | C... | |
4 | C... The MSTP array in the PYPARS common block is used to enable and | |
5 | C... select the nuclear structure functions. | |
6 | C... MSTP(52) : (D=1) choice of proton and nuclear structure-function library | |
7 | C... =1: internal PYTHIA acording to MSTP(51) | |
8 | C... =2: PDFLIB proton s.f., with MSTP(51) = 1000xNGROUP+NSET | |
9 | C... MSTP( 51) = 1000xNPGROUP+NPSET | |
10 | C... MSTP(151) = 1000xNAGROUP+NASET | |
11 | C... MSTP(192) : Mass number of nucleus side 1 | |
12 | C... MSTP(193) : Mass number of nucleus side 2 | |
13 | C... | |
14 | C... | |
15 | C... MINT(124) : side (1 or 2) | |
16 | ||
17 | ||
18 | SUBROUTINE PDFSET_ALICE(PARM, VALUE) | |
19 | C... | |
20 | IMPLICIT DOUBLE PRECISION(A-H, O-Z) | |
21 | IMPLICIT INTEGER(I-N) | |
81935ff8 | 22 | C...Interface to PDFLIB. |
23 | COMMON/LW50512/QCDL4,QCDL5 | |
24 | SAVE /LW50512/ | |
25 | DOUBLE PRECISION QCDL4,QCDL5 | |
26 | COMMON/LW50513/XMIN,XMAX,Q2MIN,Q2MAX | |
27 | SAVE /LW50513/ | |
28 | DOUBLE PRECISION XMIN,XMAX,Q2MIN,Q2MAX | |
29 | C... | |
30 | COMMON/PYDAT1/MSTU(200),PARU(200),MSTJ(200),PARJ(200) | |
2eef49c0 | 31 | COMMON/PYPARS/MSTP(200),PARP(200),MSTI(200),PARI(200) |
32 | DOUBLE PRECISION VALUE(20) | |
33 | CHARACTER*20 PARM(20) | |
34 | write(6,*) MSTP(52) | |
35 | write(6,*) PARM | |
36 | write(6,*) VALUE | |
37 | ||
38 | IF (MSTP(192) .GT. 0 .AND. MSTP(193) .GT. 0) THEN | |
39 | PARM(5)='NATYPE' | |
40 | VALUE(5)=4 | |
41 | PARM(6)='NAGROUP' | |
42 | VALUE(6)=MSTP(191)/1000 | |
43 | PARM(7)='NASET' | |
44 | VALUE(7)=MOD(MSTP(191),1000) | |
81935ff8 | 45 | CALL PDFSET(PARM,VALUE, |
46 | > MSTU(11),MSTP(51),MSTP(53),MSTP(55), | |
47 | > QCDL4,QCDL5, | |
48 | > XMIN,XMAX,Q2MIN,Q2MAX) | |
20e47f08 | 49 | IF (MSTP(194) .EQ. 0) THEN |
50 | CALL SETLHAPARM("EKS98") | |
51 | ELSE | |
52 | CALL SETLHAPARM("EPS08") | |
53 | ENDIF | |
2eef49c0 | 54 | ELSE |
55 | write(6,*) "-> pdfset" | |
81935ff8 | 56 | CALL PDFSET(PARM,VALUE, |
57 | > MSTU(11),MSTP(51),MSTP(53),MSTP(55), | |
58 | > QCDL4,QCDL5, | |
59 | > XMIN,XMAX,Q2MIN,Q2MAX) | |
2eef49c0 | 60 | ENDIF |
61 | write(6,*) "done" | |
62 | END | |
63 | ||
64 | ||
65 | ||
66 | SUBROUTINE STRUCTM_ALICE | |
67 | + (XX,QQ,UPV,DNV,USEA,DSEA,STR,CHM,BOT,TOP,GL) | |
68 | C... | |
69 | IMPLICIT DOUBLE PRECISION(A-H, O-Z) | |
70 | IMPLICIT INTEGER(I-N) | |
71 | COMMON/PYPARS/MSTP(200),PARP(200),MSTI(200),PARI(200) | |
72 | COMMON/PYINT1/MINT(400),VINT(400) | |
73 | C write(6,*) "structm_alice->" | |
74 | IF (MSTP(192) .GT. 0 .AND. MSTP(193) .GT. 0) THEN | |
75 | A=MSTP(191+MINT(124)) | |
76 | C write(6,*) mint(124), "-> structa ", A | |
77 | CALL STRUCTA(XX,QQ,A,UPV,DNV,USEA,DSEA,STR,CHM,BOT,TOP,GL) | |
78 | ELSE | |
79 | C write(6,*) mint(124), "-> structm " | |
80 | CALL STRUCTM(XX,QQ,UPV,DNV,USEA,DSEA,STR,CHM,BOT,TOP,GL) | |
81 | ENDIF | |
82 | END | |
83 | ||
84 |