include/EvtGenModels/EvtbTosllAmp.hh

0001
0002 /***********************************************************************
0003 * Copyright 1998-2020 CERN for the benefit of the EvtGen authors       *
0004 *                                                                      *
0005 * This file is part of EvtGen.                                         *
0006 *                                                                      *
0007 * EvtGen is free software: you can redistribute it and/or modify       *
0008 * it under the terms of the GNU General Public License as published by *
0009 * the Free Software Foundation, either version 3 of the License, or    *
0010 * (at your option) any later version.                                  *
0011 *                                                                      *
0012 * EvtGen is distributed in the hope that it will be useful,            *
0013 * but WITHOUT ANY WARRANTY; without even the implied warranty of       *
0014 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the        *
0015 * GNU General Public License for more details.                         *
0016 *                                                                      *
0017 * You should have received a copy of the GNU General Public License    *
0018 * along with EvtGen.  If not, see <https://www.gnu.org/licenses/>.     *
0019 ***********************************************************************/
0020
0021 #ifndef EVTBTOSLLAMP_HH
0022 #define EVTBTOSLLAMP_HH
0023
0024 class EvtAmp;
0025 class EvtId;
0026 class EvtbTosllFF;
0027 class EvtParticle;
0028 class EvtComplex;
0029
0030 class EvtbTosllAmp {
0031   public:
0032     virtual ~EvtbTosllAmp(){};
0033
0034     //Daughters are initialized and have been added to the parent.
0035     //No need to carry around the daughters seperately!
0036
0037     virtual void CalcAmp( EvtParticle* parent, EvtAmp& amp,
0038                           EvtbTosllFF* formFactors ) = 0;
0039
0040     double CalcMaxProb( EvtId parent, EvtId meson, EvtId lepton, EvtId nudaug,
0041                         EvtbTosllFF* formFactors, double& poleSize );
0042
0043     EvtComplex GetC7Eff( double q2, bool nnlo = true );
0044     EvtComplex GetC9Eff( double q2, bool nnlo = true, bool btod = false );
0045     EvtComplex GetC10Eff( double q2, bool nnlo = true );
0046
0047     double dGdsProb( double mb, double ms, double ml, double s );
0048
0049     double dGdsdupProb( double mb, double ms, double ml, double s, double u );
0050 };
0051
0052 #endif