* * $Id$ * * $Log$ * Revision 1.1.1.2 1996/10/30 08:29:57 cernlib * Version 7.04 * * Revision 1.1.1.1 1996/04/12 15:29:37 plothow * Version 7.01 * * #include "pdf/pilot.h" SUBROUTINE SFLACG1(DX,DQ,DUV,DDV,DUB,DDB,DSB,DCB,DBB,DTB,DGL) C C******************************************************************** C* * C* Parametrization of parton distribution functions * C* in the photon (LO analysis) - full solution of AP eq.! * C* * C* authors: H.Abramowicz, K.Charchula and A.Levy (LAC) * C* /Phys. Lett. B269 (1991) 458/ * C* * C* Prepared by: * C* Krzysztof Charchula, DESY * C* bitnet: F1PCHA@DHHDESY3 * C* decnet: 13313::CHARCHULA * C* * C* Modified by: * C* H. Plothow-Besch/CERN-PPE * C* * C******************************************************************** C C...ISET Q20(GEV2) comments C...------------------------------------------------------------ C... 1 4 xG(x,Q20)-->x**(-0.34) (fitted) at low x C...------------------------------------------------------------ C...LAMBDA=0.2 GeV, Nf=4 (i.e. xb=0) C...range of validity: C... 10**-4 < X < 1 C... 4(1) < Q2 < 10**5 GeV**2 C #include "pdf/impdp.inc" #include "pdf/expdp.inc" + DX,DQ,DUV,DDV,DUB,DDB,DSB,DCB,DBB,DTB,DGL, + XPDF(-6:6), X, Q, Q2 C X = DX Q = DQ Q2 = Q*Q CALL PHLAC1(X,Q2,XPDF) C DDV = XPDF(1) DUV = XPDF(2) DDB = XPDF(-1) DUB = XPDF(-2) DSB = XPDF(-3) DCB = XPDF(-4) DBB = XPDF(-5) DTB = XPDF(-6) DGL = XPDF(0) C RETURN END