Parameterisation Class Reference

A generic modelling of the \(R=\sigma_L/\sigma_T\) ratio. More...

#include <CepGen/StructureFunctions/SigmaRatio.h>

Inheritance diagram for Parameterisation:

Collaboration diagram for Parameterisation:

Public Member Functions
	Parameterisation (const ParametersList &params=ParametersList())
	\(R=\sigma_L/\sigma_T\) ratio computation algorithm constructor
virtual double	operator() (double xbj, double q2, double &err) const =0
	Extract the longitudinal/transverse cross section ratio and associated error for a given \((x_{\rm Bj},Q^2)\) couple.
const std::string &	name () const
	Module unique indexing name.
bool	operator== (const SteeredObject &oth) const
	Equality operator.
bool	operator!= (const SteeredObject &oth) const
	Inequality operator.
const ParametersList &	parameters () const override
	Module user-defined parameters.
virtual void	setParameters (const ParametersList &params) override
	Set module parameters.
void	setDescribedParameters (const ParametersList &params_orig)
	Set (documented) module parameters.

Static Public Member Functions
static ParametersDescription	description ()

Protected Member Functions
template<typename T >
T	steer (const std::string &key) const
	Retrieve a parameters as previously steered.
template<typename T , typename U >
U	steerAs (const std::string &key) const
	Retrieve a recasted parameters as previously steered.
std::string	steerName () const
	Retrieve module name from parameters.
std::string	steerPath (const std::string &key) const
	Retrieve a path from common search paths.

Static Protected Member Functions
static double	theta (double xbj, double q2)
	\(x_{\rm Bj}\) dependence for QCD-matching of R at high- \(Q^2\)

Protected Attributes
const double	mp_
	Proton mass, in GeV/c \(^2\).
const double	mp2_
	Squared proton mass, in GeV \(^2\)/c \(^4\).
const std::string	name_
	Module unique indexing name.
ParametersList	params_
	Module parameters.

Detailed Description

Definition at line 28 of file SigmaRatio.h.

Constructor & Destructor Documentation

Parameterisation()

Parameterisation ( const ParametersList &  params = ParametersList() )

explicit

Definition at line 30 of file SigmaRatio.cpp.

Member Function Documentation

description()

ParametersDescription description ( )

static

Definition at line 37 of file SigmaRatio.cpp.

name()

const std::string & name ( ) const

inherited

Definition at line 42 of file NamedModule.h.

operator!=()

template<typename T >

bool operator!= ( const SteeredObject< T > &  oth ) const

inherited

Definition at line 51 of file SteeredObject.h.

operator()()

virtual double operator() ( double  xbj, double  q2, double &  err  ) const

pure virtual

Implemented in E143, R1990, CLAS, and SibirtsevBlunden.

operator==()

template<typename T >

bool operator== ( const SteeredObject< T > &  oth ) const

inherited

Definition at line 49 of file SteeredObject.h.

parameters()

template<typename T >

const ParametersList & parameters ( ) const

overridevirtualinherited

Reimplemented from Steerable.

Definition at line 54 of file SteeredObject.h.

setDescribedParameters()

template<typename T >

void setDescribedParameters ( const ParametersList &  params_orig )

inherited

Definition at line 73 of file SteeredObject.h.

setParameters()

template<typename T >

virtual void setParameters ( const ParametersList &  params )

overridevirtualinherited

Reimplemented from Steerable.

Reimplemented in Initial, Remnants, CutsList, IncomingBeams, and Kinematics.

Definition at line 62 of file SteeredObject.h.

steer()

template<typename T >

T steer ( const std::string &  key ) const

protectedinherited

Definition at line 39 of file Steerable.h.

steerAs()

template<typename T , typename U >

U steerAs ( const std::string &  key ) const

protectedinherited

Definition at line 44 of file Steerable.h.

steerName()

std::string steerName ( ) const

protectedinherited

Definition at line 48 of file Steerable.h.

steerPath()

std::string steerPath ( const std::string &  key ) const

protectedinherited

Definition at line 30 of file Steerable.cpp.

theta()

double theta ( double  xbj, double  q2  )

staticprotected

Definition at line 33 of file SigmaRatio.cpp.

Member Data Documentation

mp2_

const double mp2_

protected

Definition at line 41 of file SigmaRatio.h.

mp_

const double mp_

protected

Definition at line 40 of file SigmaRatio.h.

name_

const std::string name_

protectedinherited

Definition at line 45 of file NamedModule.h.

params_

ParametersList params_

mutableprotectedinherited

Definition at line 50 of file Steerable.h.