FCCAnalyses::Algorithms Namespace Reference

Various algorithms. More...

Classes
struct	sphericityFit
	Function that runs the fit for the sphericity axis determination. More...
struct	minimize_sphericity
	Calculates the sphericity axis based on a list of px, py, pz. More...
struct	thrustFit
	Function that runs the fit for the thrust axis determination. More...
struct	minimize_thrust
	Finds the thrust axis based on a list of px, py, pz. More...
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	getAxisMass
	Get the invariant mass in a given hemisphere (defined by it's angle wrt to axis). 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	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...

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.