PDF/spdf/sfsas11.F

   1 C-----------------------------------------------------------------------
   2 #include "pdf/pilot.h"
   3       SUBROUTINE SFSAS11(DX,DQ2,DP2,
   4      +                     DUPV,DDNV,DSEA,DSEAD,DSTR,DCHM,DBOT,DTOP,DGL)
   5 C
   6 C   ********************************************************************
   7 C   *                                                                  *
   8 C   *        Interface to SASset of structure functions                *
   9 C   *                                                                  *
  10 C   *        Author:    H. Plothow-Besch (CERN-PPE)                    *
  11 C   *                                                                  *
  12 C   ********************************************************************
  13 C
  14 C :::::::::::: Structure functions from the SAS group version 2
  15 C :::::::::::: Lambda = 0.200 GeV, Q**2 = 0.36 GeV**2 (DIS)
  16 C
  17 #include "pdf/expdp.inc"
  18      +          DX,DQ2,DP2,
  19      +          DUPV,DDNV,DSEA,DSEAD,DSTR,DCHM,DBOT,DTOP,DGL
  20       DIMENSION XPDFGM(-6:6)
  21       REAL X, Q, Q2, P2, F2GAM, XPDFGM
  22       PARAMETER (ISET=1)
  23 #include "pdf/w50511.inc"
  24 C
  25       X  = DX
  26       Q  = SQRT(DQ2)
  27       Q2 = DQ2
  28       P2 = DP2
  29 C
  30 C     generate the individual structure fcn calls
  31 C
  32       CALL SASGAM1(ISET,X,Q2,P2,F2GAM,XPDFGM)
  33       UPV = XPDFGM(2)
  34       DUPV = UPV
  35       DNV = XPDFGM(1)
  36       DDNV = DNV
  37       SEAU = XPDFGM(-2)
  38       DSEA = SEAU
  39       SEAD = XPDFGM(-1)
  40       DSEAD = SEAD
  41       STR = XPDFGM(-3)
  42       DSTR = STR
  43       CHM = XPDFGM(-4)
  44       DCHM = CHM
  45       BOT = XPDFGM(-5)
  46       DBOT = BOT
  47       TOP = 0.
  48 C      IF (DSCAL.GT.TMAS) TOP = XPDFGM(6)
  49       DTOP = TOP
  50       GL = XPDFGM(0)
  51       DGL = GL
  52 C
  53       RETURN
  54       END