Back to home page

EIC code displayed by LXR

 
 

    


File indexing completed on 2026-08-06 09:20:05

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 EVTBTOPLNUBKFF_HH
0022 #define EVTBTOPLNUBKFF_HH
0023 
0024 #include "EvtGenBase/EvtSemiLeptonicFF.hh"
0025 
0026 class EvtId;
0027 
0028 // Description:   B->Xu l nu with BK (Becirevic-Kaidalov) parametrization
0029 //                Xu is a pseudoscalar (pi_plus,pi0,eta or eta_prime)
0030 
0031 class EvtBToPlnuBKFF : public EvtSemiLeptonicFF {
0032   public:
0033     EvtBToPlnuBKFF( double alpha, double beta );
0034 
0035     void getscalarff( EvtId parent, EvtId daught, double t, double mass,
0036                       double* fp, double* f0 ) override;
0037 
0038     void getvectorff( EvtId, EvtId, double, double, double*, double*, double*,
0039                       double* ) override;
0040 
0041     void gettensorff( EvtId, EvtId, double, double, double*, double*, double*,
0042                       double* ) override;
0043 
0044     void getbaryonff( EvtId, EvtId, double, double, double*, double*, double*,
0045                       double* ) override;
0046 
0047     void getdiracff( EvtId, EvtId, double, double, double*, double*, double*,
0048                      double*, double*, double* ) override;
0049 
0050     void getraritaff( EvtId, EvtId, double, double, double*, double*, double*,
0051                       double*, double*, double*, double*, double* ) override;
0052 
0053   private:
0054     double _alpha;
0055     double _beta;
0056 };
0057 
0058 #endif