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#ifndef TopObjects_StGenEvent_h
#define TopObjects_StGenEvent_h
#include "AnalysisDataFormats/TopObjects/interface/TopGenEvent.h"
/**
\class StGenEvent StGenEvent.h "AnalysisDataFormats/TopObjects/interface/StGenEvent.h"
\brief Class derived from the TopGenEvent for single-top events
The structure holds reference information to the generator particles
of the decay chains for each top quark and of the initial partons
and provides access and administration. The derived class contains
a few additional getters with respect to its base class.
*/
class StGenEvent : public TopGenEvent {
public:
/// empty constructor
StGenEvent();
/// default constructor
StGenEvent(reco::GenParticleRefProd&, reco::GenParticleRefProd&);
/// default destructor
~StGenEvent() override;
/// return single lepton if available; 0 else
const reco::GenParticle* singleLepton() const;
/// return single neutrino if available; 0 else
const reco::GenParticle* singleNeutrino() const;
/// return single W
const reco::GenParticle* singleW() const;
/// return single Top
const reco::GenParticle* singleTop() const;
/// return decay b
const reco::GenParticle* decayB() const;
/// return associated b
const reco::GenParticle* associatedB() const;
};
#endif
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