include/EvtGenModels/EvtbTosllFF.hh

0001
0002 /***********************************************************************
0003 * Copyright 1998-2020 CERN for the benefit of the EvtGen authors       *
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0020
0021 #ifndef EVTBTOSLLFF_HH
0022 #define EVTBTOSLLFF_HH
0023
0024 #include "EvtGenBase/EvtId.hh"
0025
0026 // This is the base class for form factors in b->sll transitions.
0027
0028 class EvtbTosllFF {
0029   public:
0030     virtual ~EvtbTosllFF() = default;
0031
0032     virtual void getScalarFF( EvtId /*parent*/, EvtId /*daught*/, double /*t*/,
0033                               double /*mass*/, double& /*fp*/, double& /*f0*/,
0034                               double& /*ft*/ )
0035     {
0036         return;
0037     }
0038     virtual void getVectorFF( EvtId /*parent*/, EvtId /*daught*/, double /*t*/,
0039                               double /*mass*/, double& /*a1*/, double& /*a2*/,
0040                               double& /*a0*/, double& /*v*/, double& /*t1*/,
0041                               double& /*t2*/, double& /*t3*/ )
0042     {
0043         return;
0044     }
0045 };
0046
0047 #endif