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//--------------------------------------------------------------------------------------------------
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// $Id: DiTauSystem.h,v 1.1 2008/10/06 15:57:45 ceballos Exp $
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//
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// to calculate the mass to the di-tau system, I
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// assume that the tau is boosted and that the
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// neutrinos have the same flight direction as the
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// tau.
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//
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// Authors: ceballos
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//--------------------------------------------------------------------------------------------------
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// TODO: Needs cleanup CL
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#ifndef MITPHYSICS_UTILS_DITAUSYSTEM_H
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#define MITPHYSICSUTILS_DITAUSYSTEM_H
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#include "MitAna/DataTree/interface/Collections.h"
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namespace mithep
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{
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class DiTauSystem {
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public:
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DiTauSystem(ChargedParticle *t1, ChargedParticle *t2, Met *met);
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~DiTauSystem() {};
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double RecoMass() {return fRecoMass;}
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double VisMass() {return fVisMass;}
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double XTau1() {return fXTau[0];}
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double XTau2() {return fXTau[1];}
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double TransverseMass() {return fMT;}
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double TransverseEll() {return fETll;}
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double TransverseEnn() {return fETnn;}
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private:
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void init();
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ChargedParticle *fT1;
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ChargedParticle *fT2;
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Met *fMet;
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// derived data members
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double fXTau[2];
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double fRecoMass;
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double fVisMass;
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double fMT;
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double fETll;
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double fETnn;
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};
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}
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#endif
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