FCCAnalyses::Algorithms Namespace Reference

Various algorithms. More...

Classes
struct	calculate_thrust
	Calculates the thrust axis by looping over all possible combinations. More...
struct	getAxisCharge
	Get the weighted charge in a given hemisphere (defined by it's angle wrt to axis). For definition see eq1 https://arxiv.org/pdf/1209.2421.pdf. More...
struct	getAxisEnergy
	Get the energy in a given hemisphere (defined by it's angle wrt to axis). Returns 3 values: total, charged, neutral energies. More...
struct	getAxisMass
	Get the invariant mass in a given hemisphere (defined by it's angle wrt to axis). More...
struct	getAxisN
	Get the number of particles in a given hemisphere (defined by it's angle wrt to axis). Returns 3 values: total, charged, neutral multiplicity. More...
struct	getThrustPointing
	Make the thrust axis points to hemisphere with maximum or minimum energy. More...
struct	jets_TwoHemispheres
	make "jets" by splitting the events into two hemisphere transverse to the thrust axis. More...
struct	minimize_sphericity
	Calculates the sphericity axis based on a list of px, py, pz. More...
struct	minimize_thrust
	Finds the thrust axis based on a list of px, py, pz. More...
struct	sphericityFit
	Function that runs the fit for the sphericity axis determination. More...
struct	thrustFit
	Function that runs the fit for the thrust axis determination. More...

Functions
ROOT::VecOps::RVec< float >	getAxisCosTheta (const ROOT::VecOps::RVec< float > &axis, const ROOT::VecOps::RVec< float > &px, const ROOT::VecOps::RVec< float > &py, const ROOT::VecOps::RVec< float > &pz)
	Get the angle cosTheta between particles and an axis.
float	getAxisCosTheta (const ROOT::VecOps::RVec< float > &axis, float px, float py, float pz)
	Get the angle cosTheta between one particle and an axis.
float	getMass (const ROOT::VecOps::RVec< edm4hep::ReconstructedParticleData > &in)
	Get the invariant mass from a list of reconstructed particles.

Detailed Description

Various algorithms.

This represents a set functions and utilities to perform algorithmics in FCCAnalyses.

Function Documentation

getAxisCosTheta() [1/2]

ROOT::VecOps::RVec< float > FCCAnalyses::Algorithms::getAxisCosTheta	(	const ROOT::VecOps::RVec< float > &	axis,
		const ROOT::VecOps::RVec< float > &	px,
		const ROOT::VecOps::RVec< float > &	py,
		const ROOT::VecOps::RVec< float > &	pz
	)

Get the angle cosTheta between particles and an axis.

getAxisCosTheta() [2/2]

float FCCAnalyses::Algorithms::getAxisCosTheta	(	const ROOT::VecOps::RVec< float > &	axis,
		float	px,
		float	py,
		float	pz
	)

Get the angle cosTheta between one particle and an axis.

getMass()

float FCCAnalyses::Algorithms::getMass

(

const ROOT::VecOps::RVec< edm4hep::ReconstructedParticleData > &

in

)

Get the invariant mass from a list of reconstructed particles.