EvtRelBreitWignerBarrierFact.hh

Go to the documentation of this file.

 
/***********************************************************************
* Copyright 1998-2020 CERN for the benefit of the EvtGen authors       *
*                                                                      *
* This file is part of EvtGen.                                         *
*                                                                      *
* EvtGen is free software: you can redistribute it and/or modify       *
* it under the terms of the GNU General Public License as published by *
* the Free Software Foundation, either version 3 of the License, or    *
* (at your option) any later version.                                  *
*                                                                      *
* EvtGen is distributed in the hope that it will be useful,            *
* but WITHOUT ANY WARRANTY; without even the implied warranty of       *
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the        *
* GNU General Public License for more details.                         *
*                                                                      *
* You should have received a copy of the GNU General Public License    *
* along with EvtGen.  If not, see <https://www.gnu.org/licenses/>.     *
***********************************************************************/
 
#ifndef EVTRELBREITWIGNERBARRIERFACT_HH
#define EVTRELBREITWIGNERBARRIERFACT_HH
 
#include "EvtGenBase/EvtAbsLineShape.hh"
 
class EvtRelBreitWignerBarrierFact : public EvtAbsLineShape {
  public:
    EvtRelBreitWignerBarrierFact() = default;
    EvtRelBreitWignerBarrierFact( double mass, double width, double maxRange,
                                  EvtSpinType::spintype sp );
    //figure the m1 and l on the fly
    //                         double mDaug1, double mDaug2, int l);
    EvtRelBreitWignerBarrierFact& operator=( const EvtRelBreitWignerBarrierFact& x );
    EvtRelBreitWignerBarrierFact( const EvtRelBreitWignerBarrierFact& x );
 
    EvtAbsLineShape* clone() override;
 
    double getMassProb( double mass, double massPar, int nDaug,
                        double* massDau ) override;
    // othDaugId is the other daughter of the parent in the case of a two body decay (only!)
    // ie B->rho K rho->pipi, othDaugId = K
    double getRandMass( EvtId* parId, int nDaug, EvtId* dauId, EvtId* othDaugId,
                        double maxMass, double* dauMasses ) override;
 
    void reSetBlatt( double blatt ) override { m_blattDecay = blatt; }
    void reSetBlattBirth( double blatt ) override { m_blattBirth = blatt; }
 
  protected:
    double m_blattDecay;
    double m_blattBirth;
    bool m_errorCond;
};
 
#endif