MplTrackRep.h

/* Copyright 2019, Belle II Collaboration
   Authors: Dmitrii Neverov
 
   This file is part of GENFIT.
 
   GENFIT is free software: you can redistribute it and/or modify
   it under the terms of the GNU Lesser General Public License as published
   by the Free Software Foundation, either version 3 of the License, or
   (at your option) any later version.
 
   GENFIT 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 Lesser General Public License for more details.
 
   You should have received a copy of the GNU Lesser General Public License
   along with GENFIT.  If not, see <http://www.gnu.org/licenses/>.
*/
 
#include "RKTrackRep.h"
 
namespace genfit {
  class MplTrackRep : public RKTrackRep {
 
  public:
 
    MplTrackRep() : m_magCharge(0), m_mass(0) {};
    MplTrackRep(int pdgCode, float magCharge, char propDir = 0);
    ~MplTrackRep();
 
    // Hopefully this is the only function that is vastly different for monopoles
    double RKPropagate(M1x7& state7,
                       M7x7* jacobian,
                       M1x3& SA,
                       double S,
                       bool varField = true,
                       bool calcOnlyLastRowOfJ = false) const override;
 
    // Returns the magnetic charge instead of electric as in the base class.
    double getCharge(const StateOnPlane& state) const override; 
 
  private:
 
    const double m_magCharge; // the magnitude of magnetic charge in units of e+
    const double m_mass; // the mass of the monopole in units of GeV/c^2
 
 
  public:
 
    ClassDefOverride(MplTrackRep, 1)
 
  };
} //end genfit namespace