* * $Id: iniqcd.F,v 1.1.1.1 1996/01/11 14:14:38 mclareni Exp $ * * $Log: iniqcd.F,v $ * Revision 1.1.1.1 1996/01/11 14:14:38 mclareni * Cojets * * #include "cojets/pilot.h" SUBROUTINE INIQCD C ***************** C-- INITIALIZES PARAMETERS USED BY JETQCD #if defined(CERNLIB_SINGLE) IMPLICIT REAL (A-H,O-Z) #endif #if defined(CERNLIB_DOUBLE) IMPLICIT DOUBLE PRECISION (A-H,O-Z) #endif #include "cojets/cutoff.inc" #include "cojets/itapes.inc" #include "cojets/qcd.inc" #include "cojets/tabpsq.inc" #include "cojets/transl.inc" DATA ICALL/0/ C IF(ICALL.GT.0) RETURN ICALL=1 C C-- QCD CONSTANTS PI=4.*ATAN(1.) COLORS=3. CA=COLORS CF=(COLORS**2-1.)/(2.*COLORS) NFLAVT=NFLATR BALPH=(11.*COLORS-2.*FLOAT(NFLAVT))/(12.*PI) C C-- CUTOFFS QSQMAX=QSQMXT ALAMBD=ALAMBT QZSQ=QZ**2 DO 1 L=1,NFLAVT QZD=QZ QZMADD=0.49 QZFL(L)=MAX(QZD,QZMASS(L)+QZMADD) QZFLSQ(L)=QZFL(L)**2 1 QTHRSQ(L)=(QZ+QZFL(L))**2 LGLU=NFLAVT+1 LGLUT=LGLU QZFL(LGLU)=QZ QZFLSQ(LGLU)=QZSQ QTHRSQ(LGLU)=4.*QZSQ C CALL TABLES C RETURN END