src/include/crombie/KinematicFunctions.h File Reference

#include <cmath>
#include "TVector2.h"
#include "TLorentzVector.h"

Go to the source code of this file.

Namespaces
	crombie
	This header file includes common functions that are used to interpret configuration files.

Functions
double	deltaPhi (double phi1, double phi2)
	Calculate deltaPhi between two particles. More...
double	deltaR (double eta1, double phi1, double eta2, double phi2)
	Calculate deltaR between two particles. More...
double	deltaR2 (double eta1, double phi1, double eta2, double phi2)
	Calculate deltaR2 between two particles. More...
double	make_2pi (double phi)
	Make phi that are from [-pi, pi) to [0, 2pi) More...
double	make_pm (double phi)
	Make phi that are from [0, 2pi) to [-pi, pi) More...
double	transverseMass (double lepPt, double lepPhi, double met, double metPhi)
	Calculates transverse mass given a lepton and MET. More...
double	uPara (double recoil, double recoilPhi, double zPhi)
	Calculate uPara given reconstructed recoil and boson phi. More...
double	uPara (double met, double metPhi, double zPt, double zPhi)
	Calculate uPara given reconstructed MET and boson pt and phi. More...
double	uPerp (double recoil, double recoilPhi, double zPhi)
	Calculate uPerp given reconstructed recoil and boson phi. More...
double	uPerp (double met, double metPhi, double zPt, double zPhi)
	Calculate uPerp given reconstructed MET and boson pt and phi. More...
TVector2	vectorSum (double pt1, double phi1, double pt2, double phi2)
	Get TVector2 for vector in the transverse plane. More...
TLorentzVector	vectorSum (double pt1, double eta1, double phi1, double mass1, double pt2, double eta2, double phi2, double mass2)
	TLorentz Vector of two particles. More...
double	vectorSum3Pt (double pt1, double phi1, double pt2, double phi2, double pt3, double phi3)
	Pt of a mother of three particles. More...
double	vectorSumEta (double pt1, double eta1, double phi1, double mass1, double pt2, double eta2, double phi2, double mass2)
	Eta of a mother of two particles. More...
double	vectorSumMass (double pt1, double eta1, double phi1, double mass1, double pt2, double eta2, double phi2, double mass2)
	Mass of a mother of two massive particles. More...
double	vectorSumMass (double pt1, double eta1, double phi1, double pt2, double eta2, double phi2)
	Mass of a mother of two massless particles. More...
double	vectorSumPhi (double pt1, double phi1, double pt2, double phi2)
	Phi of a mother of two particles. More...
double	vectorSumPt (double pt1, double phi1, double pt2, double phi2)
	Pt of a mother of two particles. More...

Function Documentation

deltaPhi()

double deltaPhi	(	double	phi1,
		double	phi2
	)

Calculate deltaPhi between two particles.

Definition at line 37 of file src/include/crombie/KinematicFunctions.h.

Referenced by deltaR2(), and transverseMass().

deltaR()

double deltaR	(	double	eta1,
		double	phi1,
		double	eta2,
		double	phi2
	)

Calculate deltaR between two particles.

Definition at line 50 of file src/include/crombie/KinematicFunctions.h.

References deltaR2().

deltaR2()

double deltaR2	(	double	eta1,
		double	phi1,
		double	eta2,
		double	phi2
	)

Calculate deltaR2 between two particles.

Definition at line 43 of file src/include/crombie/KinematicFunctions.h.

References deltaPhi().

Referenced by deltaR().

make_2pi()

double make_2pi

(

double

phi

)

Make phi that are from [-pi, pi) to [0, 2pi)

Definition at line 30 of file src/include/crombie/KinematicFunctions.h.

References crombie::pi.

make_pm()

double make_pm

(

double

phi

)

Make phi that are from [0, 2pi) to [-pi, pi)

Definition at line 23 of file src/include/crombie/KinematicFunctions.h.

References crombie::pi.

transverseMass()

double transverseMass	(	double	lepPt,
		double	lepPhi,
		double	met,
		double	metPhi
	)

Calculates transverse mass given a lepton and MET.

Definition at line 135 of file src/include/crombie/KinematicFunctions.h.

References deltaPhi().

uPara() [1/2]

double uPara	(	double	recoil,
		double	recoilPhi,
		double	zPhi
	)

Calculate uPara given reconstructed recoil and boson phi.

Definition at line 112 of file src/include/crombie/KinematicFunctions.h.

uPara() [2/2]

double uPara	(	double	met,
		double	metPhi,
		double	zPt,
		double	zPhi
	)

Calculate uPara given reconstructed MET and boson pt and phi.

Definition at line 127 of file src/include/crombie/KinematicFunctions.h.

References vectorSumPhi(), and vectorSumPt().

uPerp() [1/2]

double uPerp	(	double	recoil,
		double	recoilPhi,
		double	zPhi
	)

Calculate uPerp given reconstructed recoil and boson phi.

Definition at line 105 of file src/include/crombie/KinematicFunctions.h.

uPerp() [2/2]

double uPerp	(	double	met,
		double	metPhi,
		double	zPt,
		double	zPhi
	)

Calculate uPerp given reconstructed MET and boson pt and phi.

Definition at line 119 of file src/include/crombie/KinematicFunctions.h.

References vectorSumPhi(), and vectorSumPt().

vectorSum() [1/2]

TVector2 vectorSum	(	double	pt1,
		double	phi1,
		double	pt2,
		double	phi2
	)

Get TVector2 for vector in the transverse plane.

Definition at line 55 of file src/include/crombie/KinematicFunctions.h.

Referenced by vectorSumEta(), vectorSumMass(), vectorSumPhi(), and vectorSumPt().

vectorSum() [2/2]

TLorentzVector vectorSum	(	double	pt1,
		double	eta1,
		double	phi1,
		double	mass1,
		double	pt2,
		double	eta2,
		double	phi2,
		double	mass2
	)

TLorentz Vector of two particles.

Definition at line 81 of file src/include/crombie/KinematicFunctions.h.

vectorSum3Pt()

double vectorSum3Pt	(	double	pt1,
		double	phi1,
		double	pt2,
		double	phi2,
		double	pt3,
		double	phi3
	)

Pt of a mother of three particles.

Definition at line 75 of file src/include/crombie/KinematicFunctions.h.

vectorSumEta()

double vectorSumEta	(	double	pt1,
		double	eta1,
		double	phi1,
		double	mass1,
		double	pt2,
		double	eta2,
		double	phi2,
		double	mass2
	)

Eta of a mother of two particles.

Definition at line 100 of file src/include/crombie/KinematicFunctions.h.

References vectorSum().

vectorSumMass() [1/2]

double vectorSumMass	(	double	pt1,
		double	eta1,
		double	phi1,
		double	mass1,
		double	pt2,
		double	eta2,
		double	phi2,
		double	mass2
	)

Mass of a mother of two massive particles.

Definition at line 90 of file src/include/crombie/KinematicFunctions.h.

References vectorSum().

Referenced by vectorSumMass().

vectorSumMass() [2/2]

double vectorSumMass	(	double	pt1,
		double	eta1,
		double	phi1,
		double	pt2,
		double	eta2,
		double	phi2
	)

Mass of a mother of two massless particles.

Definition at line 95 of file src/include/crombie/KinematicFunctions.h.

References vectorSumMass().

vectorSumPhi()

double vectorSumPhi	(	double	pt1,
		double	phi1,
		double	pt2,
		double	phi2
	)

Phi of a mother of two particles.

Definition at line 65 of file src/include/crombie/KinematicFunctions.h.

References vectorSum().

Referenced by uPara(), and uPerp().

vectorSumPt()

double vectorSumPt	(	double	pt1,
		double	phi1,
		double	pt2,
		double	phi2
	)

Pt of a mother of two particles.

Definition at line 70 of file src/include/crombie/KinematicFunctions.h.

References vectorSum().

Referenced by uPara(), and uPerp().