include/EvtGenBase/EvtMBreitWigner.hh

0001
0002 /***********************************************************************
0003 * Copyright 1998-2020 CERN for the benefit of the EvtGen authors       *
0004 *                                                                      *
0005 * This file is part of EvtGen.                                         *
0006 *                                                                      *
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0014 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the        *
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0019 ***********************************************************************/
0020
0021 #ifndef __EVTMBREITWIGNER_HH__
0022 #define __EVTMBREITWIGNER_HH__
0023
0024 #include "EvtGenBase/EvtMRes.hh"
0025
0026 class EvtMBreitWigner : public EvtMLineShape {
0027   public:
0028     EvtMBreitWigner( const EvtId& id, const vector<string>& args );
0029     ~EvtMBreitWigner(){};
0030
0031     EvtComplex shape( const vector<EvtVector4R>& product ) const override;
0032
0033     EvtMLineShape* duplicate() const override;
0034
0035   private:
0036     EvtId _id;
0037
0038     double _width, _resmass;
0039 };
0040
0041 #endif