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#ifndef Alignment_TwoBodyDecay_TwoBodyDecayLinearizationPointFinder_h
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#define Alignment_TwoBodyDecay_TwoBodyDecayLinearizationPointFinder_h
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#include "FWCore/ParameterSet/interface/ParameterSet.h"
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#include "Alignment/TwoBodyDecay/interface/TwoBodyDecayParameters.h"
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#include "RecoVertex/VertexTools/interface/PerigeeLinearizedTrackState.h"
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/** Class TwoBodyDecayLinearizationPointFinder computes a rough estimate of the parameters
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* of a decay. This serves as linearization point for TwoBodyDecayEstimator.
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*
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* /author Edmund Widl
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*/
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class TwoBodyDecayLinearizationPointFinder
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{
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public:
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typedef PerigeeLinearizedTrackState::RefCountedLinearizedTrackState RefCountedLinearizedTrackState;
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TwoBodyDecayLinearizationPointFinder( const edm::ParameterSet & config ) {}
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virtual ~TwoBodyDecayLinearizationPointFinder( void ) {}
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virtual const TwoBodyDecayParameters
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getLinearizationPoint( const std::vector< RefCountedLinearizedTrackState > & tracks,
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const double primaryMass,
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const double secondaryMass ) const;
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virtual TwoBodyDecayLinearizationPointFinder* clone( void ) const { return new TwoBodyDecayLinearizationPointFinder( *this ); }
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};
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#endif
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