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#include "UserCode/HbbAnalysis/interface/Objects.hh" |
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namespace HbbAnalysis { |
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double DeltaPhi(const double phi1, const double phi2) |
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{ |
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double dPhi = phi1 - phi2; |
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if (dPhi<0) dPhi += 2*TMath::Pi(); |
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return dPhi; |
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} |
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double DeltaR(const BaseVars & v1, const BaseVars & v2) |
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{ |
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double dEta = v1.eta - v2.eta; |
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double dPhi = v1.phi - v2.phi; |
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if (dPhi<0) dPhi += 2*TMath::Pi(); |
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double DeltaR(const TLorentzVector & v1, const TLorentzVector & v2){ |
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double dEta = v1.Eta() - v2.Eta(); |
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double dPhi = fabs(v1.Phi() - v2.Phi()); |
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if (dPhi > TMath::Pi()) dPhi = (2.0*TMath::Pi() - dPhi); |
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return sqrt(dEta*dEta+dPhi*dPhi); |
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} |
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double DeltaR(const BaseVars & v1, const GenVars & v2) |
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double DeltaPhi(const double phi1, const double phi2) |
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{ |
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double dPhi = fabs(phi1 - phi2); |
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if (dPhi > TMath::Pi()) dPhi = (2.0*TMath::Pi() - dPhi); |
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//double dPhi = phi1 - phi2; |
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double dEta = v1.eta - v2.eta; |
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double dPhi = v1.phi - v2.phi; |
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if (dPhi<0) dPhi += 2*TMath::Pi(); |
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return sqrt(dEta*dEta+dPhi*dPhi); |
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return dPhi; |
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} |
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double SameSign(const BaseVars & v1, const BaseVars & v2) |
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} |
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double TransverseMass(const BaseVars & leg1, |
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const BaseVars & leg2, |
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double TransverseMass(//const BaseVars & leg1, |
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//const BaseVars & leg2, |
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const TLorentzVector & leg1, |
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const TLorentzVector & leg2, |
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const double mEx, |
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const double mEy) |
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{ |
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double px = leg1.pT*cos(leg1.phi) + leg2.pT*cos(leg2.phi) + mEx; |
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double py = leg1.pT*sin(leg1.phi) + leg2.pT*sin(leg2.phi) + mEy; |
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double et = leg1.pT + leg2.pT + TMath::Sqrt(mEx*mEx + mEy*mEy); |
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double px = leg1.Pt()*cos(leg1.Phi()) + leg2.Pt()*cos(leg2.Phi()) + mEx; |
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double py = leg1.Pt()*sin(leg1.Phi()) + leg2.Pt()*sin(leg2.Phi()) + mEy; |
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double et = leg1.Pt() + leg2.Pt() + TMath::Sqrt(mEx*mEx + mEy*mEy); |
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double mt2 = et*et - (px*px + py*py); |
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if ( mt2 < 0 ) { |
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std::cout << " --- WARNING : mt2 = " << mt2 << " is negative... Set to 0."; |
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//std::cout << " --- WARNING : mt2 = " << mt2 << " is negative... Set to 0."; |
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return 0.; |
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} |
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return sqrt(mt2); |
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} |
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double TransverseMass(const BaseVars & leg1, |
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double TransverseMass(//const BaseVars & leg1, |
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const TLorentzVector & leg1, |
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const double mEx, |
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const double mEy) |
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{ |
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double px = leg1.pT*cos(leg1.phi) + mEx; |
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double py = leg1.pT*sin(leg1.phi) + mEy; |
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double et = leg1.pT + TMath::Sqrt(mEx*mEx + mEy*mEy); |
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double px = leg1.Pt()*cos(leg1.Phi()) + mEx; |
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double py = leg1.Pt()*sin(leg1.Phi()) + mEy; |
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double et = leg1.Pt() + TMath::Sqrt(mEx*mEx + mEy*mEy); |
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double mt = et*et - (px*px + py*py); |
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if ( mt < 0 ) { |
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std::cout << " --- WARNING : mt = " << mt << " is negative... Set to 0."; |
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//std::cout << " --- WARNING : mt = " << mt << " is negative... Set to 0."; |
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return 0.; |
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} |
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return sqrt(mt); |
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} |
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TLorentzVector FourMomentumCDFmethod(const BaseVars & leg1, |
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const BaseVars & leg2, |
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TLorentzVector FourMomentumCDFmethod(//const BaseVars & leg1, |
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//const BaseVars & leg2, |
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const TLorentzVector & leg1, |
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const TLorentzVector & leg2, |
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double mEx, |
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double mEy) |
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{ |
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double lpx = leg1.pT*cos(leg1.phi) + leg2.pT*cos(leg2.phi) + mEx; |
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double lpy = leg1.pT*sin(leg1.phi) + leg2.pT*sin(leg2.phi) + mEy; |
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double lpz = leg1.pT*sinh(leg1.eta) + leg2.pT*sinh(leg2.eta); |
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double le = leg1.pT*cosh(leg1.eta) + leg2.pT*cosh(leg2.eta) + TMath::Sqrt(mEx*mEx + mEy*mEy); |
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double lpx = leg1.Pt()*cos(leg1.Phi()) + leg2.Pt()*cos(leg2.Phi()) + mEx; |
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double lpy = leg1.Pt()*sin(leg1.Phi()) + leg2.Pt()*sin(leg2.Phi()) + mEy; |
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double lpz = leg1.Pt()*sinh(leg1.Eta()) + leg2.Pt()*sinh(leg2.Eta()); |
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double le = leg1.Pt()*cosh(leg1.Eta()) + leg2.Pt()*cosh(leg2.Eta()) + TMath::Sqrt(mEx*mEx + mEy*mEy); |
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return TLorentzVector(lpx, lpy, lpz, le); |
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} |
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TLorentzVector FourMomentumCollinearApprox(const BaseVars & leg1, |
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const BaseVars & leg2, |
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TLorentzVector FourMomentumCollinearApprox(//const BaseVars & leg1, |
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//const BaseVars & leg2, |
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const TLorentzVector & leg1, |
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const TLorentzVector & leg2, |
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double mEx, |
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double mEy) |
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{ |
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double px1 = leg1.pT*cos(leg1.phi); |
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double px2 = leg2.pT*cos(leg2.phi); |
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double py1 = leg1.pT*sin(leg1.phi); |
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double py2 = leg2.pT*sin(leg2.phi); |
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double px1 = leg1.Pt()*cos(leg1.Phi()); |
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double px2 = leg2.Pt()*cos(leg2.Phi()); |
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double py1 = leg1.Pt()*sin(leg1.Phi()); |
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double py2 = leg2.Pt()*sin(leg2.Phi()); |
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double x1_numerator = px1*py2 - px2*py1; |
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double x1_denominator = py2*(px1 + mEx) - px2*(py1 + mEy); |
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if ( (x1 > 0. && x1 < 1.) && |
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(x2 > 0. && x2 < 1.) ) { |
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TLorentzVector p4 = FourMomentum(leg1,1/x1) + FourMomentum(leg2,1/x2); |
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TLorentzVector p4 = leg1*x1 + leg2*x2; |
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return p4; |
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} else { |
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return TLorentzVector(0,0,0,0); |
