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Relectron Class Reference

An observable class for \(R_e^0=\Gamma(Z\to {\rm hadrons})/\Gamma(Z\to e^+ e^-)\). More...

#include <Rlepton.h>

+ Inheritance diagram for Relectron:

Detailed Description

An observable class for \(R_e^0=\Gamma(Z\to {\rm hadrons})/\Gamma(Z\to e^+ e^-)\).

Author
HEPfit Collaboration

This class is used to compute the ratio of the \(Z\)-boson hadronic width to the \(Z\to e^+ e^-\) width:

\[ R_e = \frac{\Gamma_h}{\Gamma_e}\,. \]

Lepton-flavour universality is not assumed.

Definition at line 73 of file Rlepton.h.

Public Member Functions

double computeThValue ()
 The ratio \(R_e^0=\Gamma(Z\to {\rm hadrons})/\Gamma(Z\to e^+ e^-)\). More...
 
 Relectron (const StandardModel &SM_i)
 Constructor. More...
 
- Public Member Functions inherited from ThObservable
double getBinMax ()
 A get method to get the maximum value of the bin. More...
 
double getBinMin ()
 A get method to get the minimum value of the bin. More...
 
const StandardModelgetModel ()
 A get method to get the model. More...
 
const std::vector< std::string > getParametersForObservable ()
 A get method to get the parameters for the specific observable. More...
 
void setBinMax (double max)
 A set method to set the maximum value of the bin. More...
 
void setBinMin (double min)
 A set method to set the minimum value of the bin. More...
 
void setParametersForObservable (std::vector< std::string > parametersForObservable_i)
 A set method to get the parameters for the specific observable. More...
 
 ThObservable (const StandardModel &SM_i)
 Constructor. More...
 
 ThObservable (const ThObservable &orig)
 The copy constructor. More...
 
virtual ~ThObservable ()
 The default destructor. More...
 

Additional Inherited Members

- Protected Attributes inherited from ThObservable
double max
 the bin maximum. More...
 
double min
 The bin minimum. More...
 
std::vector< std::string > parametersForObservable
 a vector of parameter namesfor the specific observable More...
 
const StandardModelSM
 A reference to an object of StandardMode class. More...
 

Constructor & Destructor Documentation

◆ Relectron()

Relectron::Relectron ( const StandardModel SM_i)
inline

Constructor.

Parameters
[in]SM_ia reference to an object of type StandardModel

Definition at line 80 of file Rlepton.h.

81 : ThObservable(SM_i)
82 {
83 };
ThObservable(const StandardModel &SM_i)
Constructor.
Definition: ThObservable.h:32

Member Function Documentation

◆ computeThValue()

double Relectron::computeThValue ( )
virtual

The ratio \(R_e^0=\Gamma(Z\to {\rm hadrons})/\Gamma(Z\to e^+ e^-)\).

Returns
\(R_e^0\)

Implements ThObservable.

Definition at line 20 of file Rlepton.cpp.

21{
22 return SM.R0_f(SM.getLeptons(SM.ELECTRON));
23}
@ ELECTRON
Definition: QCD.h:312
const Particle & getLeptons(const QCD::lepton p) const
A get method to retrieve the member object of a lepton.
virtual const double R0_f(const Particle f) const
The ratio .
const StandardModel & SM
A reference to an object of StandardMode class.
Definition: ThObservable.h:121

The documentation for this class was generated from the following files: