GeneratedVertexDisplacerModule.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 <framework/core/Module.h>
#include <framework/datastore/StoreArray.h>
#include <framework/core/RandomGenerator.h>
#include <framework/gearbox/Const.h>
#include <mdst/dataobjects/MCParticle.h>
#include <Math/Vector4D.h>
#include <TF1.h>
#include <string>
#include <map>
 
 
namespace Belle2 {
  class GeneratedVertexDisplacerModule : public Module {
 
  public:
 
    GeneratedVertexDisplacerModule();
 
    virtual void initialize() override;
 
    virtual void event() override;
 
    virtual void terminate() override;
 
 
 
  protected:
    // called for a particle, displaces its vertex and its subsequent daughters
    void displace(MCParticle& particle, float lifetime);
    void displaceDaughter(ROOT::Math::PxPyPzEVector& motherDisplacementVector, std::vector<MCParticle*> daughters);
    void getDisplacement(const MCParticle& particle, float lifetime, ROOT::Math::PxPyPzEVector& displacement);
    std::string m_particleList; 
    StoreArray<MCParticle> m_mcparticles; 
  private:
    // Parameters
    std::string m_lifetimeOption;  
    std::vector<float> m_lifetime;  
    std::vector<int> m_pdgVals;  
    float m_maxDecayTime;  
    bool m_ctau;  
  };
 
}