Alepton Class Reference

An observable class for the left-right asymmetry in \(e^+e^-\to Z\to \ell^+ \ell^-\) at the \(Z\) pole. More...

#include <Alepton.h>

Inheritance diagram for Alepton:

Detailed Description

An observable class for the left-right asymmetry in \(e^+e^-\to Z\to \ell^+ \ell^-\) at the \(Z\) pole.

Author

HEPfit Collaboration

Copyright

GNU General Public License

This class is used to compute the left-right asymmetry for an \(e^+e^-\to Z\to \ell^+ \ell^-\) process at the \(Z\) pole, where \(\ell\) denotes a charged lepton, and lepton-flavour universality is assumed.

See also

EW_NPZff::Alepton() and the detailed description of EW class for the inclusion of new physics contribution

Definition at line 30 of file Alepton.h.

Public Member Functions
	Alepton (const StandardModel &SM_i)
	Constructor. More...
double	computeThValue ()
	The left-right asymmetry for \(e^+e^-\to Z\to \ell^+ \ell^-\) at the \(Z\) pole, \(\mathcal{A}_\ell\). 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 StandardModel &	getModel ()
	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 StandardModel &	SM
	A reference to an object of StandardMode class. More...

Constructor & Destructor Documentation

Alepton()

Alepton::Alepton ( const StandardModel &  SM_i )

inline

Constructor.

Parameters

[in]

SM_i

a reference to an object of type StandardModel

Definition at line 37 of file Alepton.h.

    : ThObservable(SM_i) 
    {
    };

Member Function Documentation

computeThValue()

double Alepton::computeThValue ( )

virtual

The left-right asymmetry for \(e^+e^-\to Z\to \ell^+ \ell^-\) at the \(Z\) pole, \(\mathcal{A}_\ell\).

Returns

\(\mathcal{A}_\ell\)

Implements ThObservable.

Definition at line 11 of file Alepton.cpp.

{
    double Ae = SM.A_f(SM.getLeptons(SM.ELECTRON));
    double Amu = SM.A_f(SM.getLeptons(SM.MU));
    double Atau = SM.A_f(SM.getLeptons(SM.TAU));  
 
    return (Ae + Amu + Atau)/3.;
}

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

• Alepton.h
• Alepton.cpp