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Commit | Line | Data |
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0795afa3 | 1 | #include "isajet/pilot.h" |
2 | REAL FUNCTION SSWZF5(SS) | |
3 | C----------------------------------------------------------------------- | |
4 | C SSWZBF: wiss -> zjss f fbar | |
5 | C Baer's XI2FUN | |
6 | C----------------------------------------------------------------------- | |
7 | #if defined(CERNLIB_IMPNONE) | |
8 | IMPLICIT NONE | |
9 | #endif | |
10 | #include "isajet/sssm.inc" | |
11 | #include "isajet/sspar.inc" | |
12 | #include "isajet/sstmp.inc" | |
13 | C | |
14 | REAL MW,PI,SS | |
15 | DOUBLE PRECISION M1,M2,M3,EQ,Q,XMUS,D,XLOG,S | |
16 | DATA PI/3.14159265/,MW/80./ | |
17 | C | |
18 | S=SS | |
19 | M1=TMP(1) | |
20 | M2=TMP(2) | |
21 | M3=TMP(3) | |
22 | MW=AMW | |
23 | C | |
24 | EQ=(S+M1**2-M3**2)/2./M1 | |
25 | Q=DSQRT(MAX(0.D0,EQ**2-S)) | |
26 | XMUS=M2**2+S-M3**2 | |
27 | D=(M1*(EQ+Q)-XMUS)/(M1*(EQ-Q)-XMUS) | |
28 | XLOG=DLOG(D) | |
29 | SSWZF5=PI**2/2./M1*M3*S/4./(SS-MW**2)*XLOG | |
30 | RETURN | |
31 | END |