1 #include "isajet/pilot.h"
2 REAL FUNCTION SSGX4(ET)
3 C-----------------------------------------------------------------------
4 C SSGLBF: glss -> ziss + tp + tb
5 C Baer's XT4 - XI- eq. a.6.d of prd45,142 (1992)
6 C Modified for t_1 and t_2 eigenstates
7 C-----------------------------------------------------------------------
8 #if defined(CERNLIB_IMPNONE)
11 #include "isajet/sssm.inc"
12 #include "isajet/sspar.inc"
13 #include "isajet/sstmp.inc"
15 DOUBLE PRECISION DET,DMG,DMT,DMZ,DMT1,DMT2,TOP,BOT,DXT4
16 DOUBLE PRECISION XT,MUT,MUZ,XMIN,XMAX,EMIN,EMAX,SSDLAM,PI
27 XMIN=((2.D0-XT)*(1.D0+2*MUT-MUZ-XT)-DSQRT(DMAX1(0.D0,
28 $ (XT**2-4*MUT)*SSDLAM((1.D0+MUT-XT),MUT,MUZ))))
30 XMAX=((2.D0-XT)*(1.D0+2*MUT-MUZ-XT)+DSQRT(DMAX1(0.D0,
31 $ (XT**2-4*MUT)*SSDLAM((1.D0+MUT-XT),MUT,MUZ))))
35 TOP=DMG**2-2*DMG*EMAX+DMT**2-DMT2**2
36 BOT=DMG**2-2*DMG*EMIN+DMT**2-DMT2**2
37 DXT4=(EMAX-EMIN-(DMG**2-2*DMG*DET+DMT2**2-DMT**2)/2.D0/DMG*
38 $ DLOG(TOP/BOT))*PI**2/2.D0/(DMG**2+DMT**2-2*DMG*DET-DMT1**2)