g_hhHh Class Reference

An observable class for the triple Higgs coupling \(g_{hhH}\). More...

#include <THDMquantities.h>

Inheritance diagram for g_hhHh:

Detailed Description

An observable class for the triple Higgs coupling \(g_{hhH}\).

Taken from [Baglio:2014nea], equation (5) and multiplied by the SM coupling. Cross-checked with equation (F1) from [Gunion:2002zf]

Definition at line 545 of file THDMquantities.h.

Public Member Functions
double	computeThValue ()
	The triple Higgs coupling \(g_{hhH}\). More...
	g_hhHh (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 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...

Public Attributes
const THDM *	myTHDM

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

g_hhHh()

g_hhHh::g_hhHh

(

const StandardModel &

SM_i

)

Constructor.

Definition at line 323 of file THDMquantities.cpp.

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

Member Function Documentation

computeThValue()

double g_hhHh::computeThValue ( )

virtual

The triple Higgs coupling \(g_{hhH}\).

Returns

\(g_{hhH}\)

Implements ThObservable.

Definition at line 327 of file THDMquantities.cpp.

{
    double mHl2=myTHDM->getmHl2();
    double mHh2=myTHDM->getmHh2();
    double vev=myTHDM->v();
    double sinb=myTHDM->getsinb();
    double cosb=myTHDM->getcosb();
    double sina=myTHDM->getsina();
    double cosa=myTHDM->getcosa();
    double bma=myTHDM->getbma();
    double m12_2=myTHDM->getm12_2();
 
    return -cos(bma)*(sinb*cosb*m12_2 
                      +sina*cosa*(sinb*cosb*(2.0*mHl2 + mHh2) - 3.0*m12_2))/(sinb*sinb*cosb*cosb*vev);
}

Member Data Documentation

myTHDM

const THDM* g_hhHh::myTHDM

Definition at line 559 of file THDMquantities.h.

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

• THDMquantities.h
• THDMquantities.cpp