TauDecayMarkerModule.h

/**************************************************************************
 * BASF2 (Belle Analysis Framework 2)                                     *
 * Copyright(C) 2018 - Belle II Collaboration                             *
 *                                                                        *
 * Author: The Belle II Collaboration                                     *
 * Contributors: Kiyoshi Hayasaka, Michel Villanueva                      *
 *                                                                        *
 * This software is provided "as is" without any warranty.                *
 **************************************************************************/
 
#pragma once
 
#include <framework/core/Module.h>
#include <mdst/dataobjects/MCParticle.h>
 
namespace Belle2 {
  class TauDecayMarkerModule : public Module {
 
  public:
 
    TauDecayMarkerModule();
 
    virtual void initialize() override;
 
    virtual void event() override;
 
  private:
 
    bool tauPair;
    int numOfTauPlus;
    int numOfTauMinus;
    int idOfTauPlus;
    int idOfTauMinus;
    const int finalStatePDGs[5] = { 11, 13, 211, 321, 2212 };
    Int_t m_pmode;
    Int_t m_mmode;
    Int_t m_pprong;
    Int_t m_mprong;
 
    void IdentifyTauPair();
    int getDecayChannelOfTau(int s = 0);
    int getNumDaughterOfTauExceptGamma(int s = 0, int id = 0, int sign = 0);
    int getNumDaughterOfTau(int s = 0, int id = 0, int sign = 0);
    int getProngOfDecay(const MCParticle& mc);
 
  protected:
    bool m_printDecayInfo;
 
  };
 
}