Z2_THDM Class Reference

An observable class for the Higgs basis parameter \(Z_2\). More...

#include <THDMquantities.h>

Inheritance diagram for Z2_THDM:

Detailed Description

An observable class for the Higgs basis parameter \(Z_2\).

This class is used to compute the quartic Higgs potential coupling \(Z_2\) in the Higgs basis, see [Bernon:2015qea].

Definition at line 804 of file THDMquantities.h.

Public Member Functions
double	computeThValue ()
	The quartic coupling \(Z_2\). More...
	Z2_THDM (const StandardModel &SM_i)
	Z2_THDM 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

Z2_THDM()

Z2_THDM::Z2_THDM

(

const StandardModel &

SM_i

)

Z2_THDM constructor.

Definition at line 536 of file THDMquantities.cpp.

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

Member Function Documentation

computeThValue()

double Z2_THDM::computeThValue ( )

virtual

The quartic coupling \(Z_2\).

Returns

\(Z_2\)

Implements ThObservable.

Definition at line 540 of file THDMquantities.cpp.

{
    double mHl2=myTHDM->getmHl2();
    double vev=myTHDM->v();
    double sinb=myTHDM->getsinb();
    double cosb=myTHDM->getcosb();
    double sin2b=2.0*sinb*cosb;
    double cos2b=cosb*cosb-sinb*sinb;
    double mHh2=myTHDM->getmHh2();
    double bma=myTHDM->getbma();
    double m12_2=myTHDM->getm12_2();
 
    return (-128.0*m12_2*cos2b*cos2b
            +4.0*(mHl2+mHh2)*(5.0+3.0*(cos2b*cos2b-sin2b*sin2b))*sin2b
            +2.0*(mHl2-mHh2)*((6.0+10.0*(cos2b*cos2b-sin2b*sin2b))*cos(2.0*bma)
                                 +16.0*sin2b*cos2b*sin(2.0*bma))*sin2b)
           /(16.0*sin2b*sin2b*sin2b*vev*vev);
}

Member Data Documentation

myTHDM

const THDM* Z2_THDM::myTHDM

Definition at line 818 of file THDMquantities.h.

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

• THDMquantities.h
• THDMquantities.cpp