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//--------------------------------------------------------------------------------------------------
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// $Id: Vertex.h,v 1.6 2008/11/12 18:18:27 bendavid Exp $
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//
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// Vertex
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//
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// Vertex class implemented as holding a 3d vector as a point in space with fit information.
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//
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// Authors: J.Bendavid
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//--------------------------------------------------------------------------------------------------
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#ifndef MITANA_DATATREE_VERTEX_H
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#define MITANA_DATATREE_VERTEX_H
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#include <TMath.h>
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#include "MitAna/DataTree/interface/BaseVertex.h"
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namespace mithep
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{
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class Vertex : public BaseVertex
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{
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public:
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Vertex() :
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fChi2(0.0), fNdof(0), fNTracks(0) {}
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Vertex(Double_t x, Double_t y, Double_t z) :
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BaseVertex(x,y,z), fChi2(0), fNdof(0), fNTracks(0) {}
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Vertex(Double_t x, Double_t y, Double_t z, Double_t xErr, Double_t yErr, Double_t zErr) :
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BaseVertex(x,y,z,xErr,yErr,zErr), fChi2(0.0), fNdof(0), fNTracks(0) {}
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Vertex(const ThreeVector &pos) :
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BaseVertex(pos), fChi2(0), fNdof(0), fNTracks(0) {}
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~Vertex() {}
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Double_t Chi2() const { return fChi2; }
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UInt_t Ndof() const { return fNdof; }
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UInt_t NTracks() const { return fNTracks; }
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EObjType ObjType() const { return kVertex; }
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Double_t Prob() const { return TMath::Prob(fChi2,fNdof); }
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void SetChi2(Double_t chi2) { fChi2 = chi2; }
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void SetNdof(UInt_t nDof) { fNdof = nDof; }
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void SetNTracks(UInt_t ntrks) { fNTracks = ntrks; }
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protected:
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Double32_t fChi2; //chi squared of conversion vertex fit
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UInt_t fNdof; //number of degrees of freedom of conversion vertex fit
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UInt_t fNTracks; //number of tracks used for the fit
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ClassDef(Vertex, 1) // Vertex class
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};
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}
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#endif
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