7 IMPLICIT REAL*8 (A-H,O-Z)
11 XT=2.0*DSQRT(PT2)/HINT1(1)
12 X1=0.50*XT*(DEXP(Y1)+DEXP(Y2))
13 X2=0.50*XT*(DEXP(-Y1)+DEXP(-Y2))
14 Z=DSQRT(1.D0-XT**2/X1/X2)
20 APH=12.0*3.1415926/(33.0-2.0*AF)/DLOG(PT2/DLAM**2)
22 CALL PARTON(F,X1,X2,PT2)
24 G11=( (F(1,1)+F(1,2))*(F(2,3)+F(2,4)+F(2,5)+F(2,6))
25 & +(F(1,3)+F(1,4))*(F(2,5)+F(2,6)) )*SUBCRS1(T,U)
27 G12=( (F(2,1)+F(2,2))*(F(1,3)+F(1,4)+F(1,5)+F(1,6))
28 & +(F(2,3)+F(2,4))*(F(1,5)+F(1,6)) )*SUBCRS1(U,T)
30 G13=(F(1,1)*F(2,1)+F(1,2)*F(2,2)+F(1,3)*F(2,3)+F(1,4)*F(2,4)
31 & +F(1,5)*F(2,5)+F(1,6)*F(2,6))*(SUBCRS1(U,T)
32 & +SUBCRS1(T,U)-8.D0/T/U/27.D0)
34 G2=(AF-1)*(F(1,1)*F(2,2)+F(2,1)*F(1,2)+F(1,3)*F(2,4)
35 & +F(2,3)*F(1,4)+F(1,5)*F(2,6)+F(2,5)*F(1,6))*SUBCRS2(T,U)
37 G31=(F(1,1)*F(2,2)+F(1,3)*F(2,4)+F(1,5)*F(2,6))*SUBCRS3(T,U)
38 G32=(F(2,1)*F(1,2)+F(2,3)*F(1,4)+F(2,5)*F(1,6))*SUBCRS3(U,T)
40 G4=(F(1,1)*F(2,2)+F(2,1)*F(1,2)+F(1,3)*F(2,4)+F(2,3)*F(1,4)+
41 1 F(1,5)*F(2,6)+F(2,5)*F(1,6))*SUBCRS4(T,U)
43 G5=AF*F(1,7)*F(2,7)*SUBCRS5(T,U)
45 G61=F(1,7)*(F(2,1)+F(2,2)+F(2,3)+F(2,4)+F(2,5)
46 & +F(2,6))*SUBCRS6(T,U)
47 G62=F(2,7)*(F(1,1)+F(1,2)+F(1,3)+F(1,4)+F(1,5)
48 & +F(1,6))*SUBCRS6(U,T)
50 G7=F(1,7)*F(2,7)*SUBCRS7(T,U)
52 G=(G11+G12+G13+G2+G31+G32+G4+G5+G61+G62+G7)*HIPR1(17)*
53 1 3.14159D0*APH**2/SS**2