reco::WMuNuCandidatePtr Class Reference

#include <WMuNuCandidatePtr.h>

Inheritance diagram for reco::WMuNuCandidatePtr:

List of all members.

Public Member Functions
double	acop () const
double	eT () const
const reco::Muon &	getMuon () const
const reco::MET &	getNeutrino () const
double	massT () const
	WMuNuCandidatePtr ()
	WMuNuCandidatePtr (const reco::CandidatePtr, const reco::CandidatePtr)
	~WMuNuCandidatePtr ()
Private Attributes
edm::Ptr< Muon >	muon_
edm::Ptr< MET >	neutrino_

---

Detailed Description

Definition at line 19 of file WMuNuCandidatePtr.h.

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Constructor & Destructor Documentation

WMuNuCandidatePtr::WMuNuCandidatePtr

(

)

Definition at line 10 of file WMuNuCandidatePtr.cc.

{}

WMuNuCandidatePtr::WMuNuCandidatePtr	(	const reco::CandidatePtr	muon,
		const reco::CandidatePtr	met
	)

Definition at line 12 of file WMuNuCandidatePtr.cc.

References reco::CompositePtrCandidate::addDaughter(), gather_cfg::cout, muon_, neutrino_, reco::LeafCandidate::px(), and AddFourMomenta::set().

                                                                                           : muon_(muon), neutrino_(met)  
{
      addDaughter(muon_);
      addDaughter(neutrino_);
      AddFourMomenta addP4;
      addP4.set(*this);
      cout<<"WCandidatePtr Created   Wpx="<<muon_->px()<<" + "<<neutrino_->px()<<" ?= "<<this->px()<<endl;
      //WARNING: W CandidatePtrs combine the information from a Muon with the (px,py) information of the MET as the Neutrino
      // --> There is no Pz information!!!!
      // Be very careful when using the default CandidatePtr functions (.mass, .mt, .et, etc). They may not be what you are looking for :-).
}

WMuNuCandidatePtr::~WMuNuCandidatePtr

(

)

Definition at line 24 of file WMuNuCandidatePtr.cc.

{
}

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Member Function Documentation

double WMuNuCandidatePtr::acop

(

)

const

Definition at line 44 of file WMuNuCandidatePtr.cc.

References M_PI, muon_, and neutrino_.

                                    {
      // Acoplanarity between the muon and the MET
       Geom::Phi<double> deltaphi(muon_->phi()-neutrino_->phi());
       double acop = deltaphi.value();
       if (acop<0) acop = - acop;
       acop = M_PI - acop;
       return acop;
}

double WMuNuCandidatePtr::eT

(

)

const

Definition at line 28 of file WMuNuCandidatePtr.cc.

References muon_, and neutrino_.

Referenced by massT().

                                  {
 double e_t=0; 
     e_t=muon_->pt()+neutrino_->pt();
 return e_t; 
}

const reco::Muon& reco::WMuNuCandidatePtr::getMuon

(

)

const [inline]

Definition at line 40 of file WMuNuCandidatePtr.h.

References muon_.

{return *muon_;}; 

const reco::MET& reco::WMuNuCandidatePtr::getNeutrino

(

)

const [inline]

Definition at line 41 of file WMuNuCandidatePtr.h.

{return *neutrino_;};

double WMuNuCandidatePtr::massT

(

)

const

Definition at line 34 of file WMuNuCandidatePtr.cc.

References eT(), reco::LeafCandidate::mt(), muon_, neutrino_, and mathSSE::sqrt().

                                     {
      // CandidatePtrs have a mt() function which computes the tranverse mass from E & pz. 
      // As MET does not have pz information... WMuNuCandidatePtrs have an alternative function to compute the mt quantity
      // used in the WMuNu Inclusive analysis just from px, py
      double wpx=muon_->px()+neutrino_->px(); double wpy=muon_->py()+neutrino_->py();
      double mt = eT()*eT() - wpx*wpx - wpy*wpy;
      mt = (mt>0) ? sqrt(mt) : 0;
      return mt; 
}

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Member Data Documentation

edm::Ptr<Muon> reco::WMuNuCandidatePtr::muon_ [private]

Definition at line 41 of file WMuNuCandidatePtr.h.

Referenced by acop(), eT(), getMuon(), massT(), and WMuNuCandidatePtr().

edm::Ptr<MET> reco::WMuNuCandidatePtr::neutrino_ [private]

Definition at line 48 of file WMuNuCandidatePtr.h.

Referenced by acop(), eT(), massT(), and WMuNuCandidatePtr().