ParameterVariables.h

/**************************************************************************
 * basf2 (Belle II Analysis Software Framework)                           *
 * Author: The Belle II Collaboration                                     *
 *                                                                        *
 * See git log for contributors and copyright holders.                    *
 * This file is licensed under LGPL-3.0, see LICENSE.md.                  *
 **************************************************************************/
 
#pragma once
 
#include <vector>
 
namespace Belle2 {
  class Particle;
 
  namespace Variable {
 
    int NumberOfMCParticlesInEvent(const Particle*, const std::vector<double>& pdg);
 
    double isAncestorOf(const Particle* part, const std::vector<double>& daughterIDs);
 
    double hasAncestor(const Particle* part, const std::vector<double>& args);
 
    double particleDecayAngle(const Particle* particle, const std::vector<double>& daughters);
 
    double daughterInvariantMass(const Particle* particle, const std::vector<double>& daughter_indexes);
 
    double daughterMCInvariantMass(const Particle* particle, const std::vector<double>& daughter_indexes);
 
    double massDifference(const Particle* particle, const std::vector<double>& daughter_index);
 
    double massDifferenceError(const Particle* particle, const std::vector<double>& daughter_index);
 
    double massDifferenceSignificance(const Particle* particle, const std::vector<double>& daughter_index);
 
    double pointingAngle(const Particle* particle, const std::vector<double>& daughters);
 
    double azimuthalAngleInDecayPlane(const Particle* particle, const std::vector<double>& daughters);
 
  }
}