An observable class for the quartic Higgs potential coupling \(\lambda_5^\text{HH}\). More...

#include <THDMquantities.h>

Inheritance diagram for HHlambda5:

Detailed Description

An observable class for the quartic Higgs potential coupling \(\lambda_5^\text{HH}\).

This class is used to compute the quartic Higgs potential coupling \(\lambda_5^\text{HH}\), see (4.8) in [Gunion:1989we].

Definition at line 1218 of file THDMquantities.h.

Public Member Functions
double	computeThValue ()
	The quartic coupling \(\lambda_5^\text{HH}\).

	HHlambda5 (const StandardModel &SM_i)
	HHlambda5 constructor.

Public Member Functions inherited from ThObservable
double	getBinMax ()
	A get method to get the maximum value of the bin.

double	getBinMin ()
	A get method to get the minimum value of the bin.

const StandardModel &	getModel ()
	A get method to get the model.

const std::vector< std::string >	getParametersForObservable ()
	A get method to get the parameters for the specific observable.

void	setBinMax (double max)
	A set method to set the maximum value of the bin.

void	setBinMin (double min)
	A set method to set the minimum value of the bin.

void	setParametersForObservable (std::vector< std::string > parametersForObservable_i)
	A set method to get the parameters for the specific observable.

	ThObservable (const StandardModel &SM_i)
	Constructor.

	ThObservable (const ThObservable &orig)
	The copy constructor.

virtual	~ThObservable ()
	The default destructor.

Public Attributes
const THDM *	myTHDM

Additional Inherited Members
Protected Attributes inherited from ThObservable
double	max
	the bin maximum.

double	min
	The bin minimum.

std::vector< std::string >	parametersForObservable
	a vector of parameter namesfor the specific observable

const StandardModel &	SM
	A reference to an object of StandardMode class.

Constructor & Destructor Documentation

◆ HHlambda5()

HHlambda5::HHlambda5 ( const StandardModel & SM_i )

HHlambda5 constructor.

Definition at line 899 of file THDMquantities.cpp.

900: ThObservable(SM_i), myTHDM(static_cast<const THDM*> (&SM_i))

901{}

HHlambda5::myTHDM

const THDM * myTHDM

Definition THDMquantities.h:1232

THDM

A base class for symmetric Two-Higgs-Doublet models.

Definition THDM.h:120

ThObservable

A class for a model prediction of an observable.

Definition ThObservable.h:25

Member Function Documentation

◆ computeThValue()

double HHlambda5::computeThValue ( )

virtual

The quartic coupling \(\lambda_5^\text{HH}\).

Returns: \(\lambda_5^\text{HH}\)

Implements ThObservable.

Definition at line 903 of file THDMquantities.cpp.

{
    double vev=myTHDM->v();
    double sinb=myTHDM->getsinb();
    double cosb=myTHDM->getcosb();
    double sin2b=2.0*sinb*cosb;
    double m12_2=myTHDM->getm12_2();
    
    return 4.0*m12_2/(vev*vev*sin2b);
}

Member Data Documentation

◆ myTHDM

const THDM* HHlambda5::myTHDM

Definition at line 1232 of file THDMquantities.h.

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