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Coding rule violations fixed.
[u/mrichter/AliRoot.git] / ISAJET / isasusy / ssgwt5.F
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0795afa3 1#include "isajet/pilot.h"
2 REAL FUNCTION SSGWT5(E)
3C-----------------------------------------------------------------------
4C SSGLBF: glss -> wiss + tp + bb
5C Baer's FTBW12; EQ. A.3D OF BTW, MODIFIED FOR MB=/0
6C Drees' G_5
7C-----------------------------------------------------------------------
8#if defined(CERNLIB_IMPNONE)
9 IMPLICIT NONE
10#endif
11#include "isajet/sssm.inc"
12#include "isajet/sspar.inc"
13#include "isajet/sstmp.inc"
14 REAL E
15 DOUBLE PRECISION ET,MWI,MG,MT,MSB,MST,PT,EBMX
16 DOUBLE PRECISION BOT,TOP,DFTBW,EBMN,XX
17 DOUBLE PRECISION MB,Z,RDL,DEN,R1,R2,R3,SSDLAM
18C
19 ET=E
20 MWI=TMP(1)
21 MG=TMP(2)
22 MT=TMP(3)
23 MSB=TMP(4)
24 MST=TMP(6)
25 MB=AMBT
26C
27C Rewrite PT=DSQRT(ET**2-MT**2)
28 PT=DSQRT((ET-MT)*(ET+MT))
29 Z=(MG**2+MT**2-2*MG*ET+MB**2-MWI**2)/2.
30 R1=1.D0+MT**2/MG**2-2.D0*ET/MG
31 R2=MB**2/MG**2
32 R3=MWI**2/MG**2
33 RDL=DSQRT(DMAX1(0.D0,SSDLAM(R1,R2,R3)))
34 DEN=MG**2+MT**2-2*ET*MG
35 EBMX=(2*Z*(1.D0-ET/MG)+PT*MG*RDL)*MG/2.D0/DEN
36 EBMN=(2*Z*(1.D0-ET/MG)-PT*MG*RDL)*MG/2.D0/DEN
37 XX=(MSB**2+2*MG*EBMX-MG**2)/(MSB**2+2*MG*EBMN-MG**2)
38 TOP=(MG**2+MT**2-2*MG*ET-MWI**2)*DLOG(XX)
39 BOT=MG**2+MT**2-2*MG*ET-MST**2
40 DFTBW=-0.5*MT*TOP/BOT
41 SSGWT5=DFTBW
42 RETURN
43 END