a Code for the Combination of Indirect and Direct Constraints on High Energy Physics Models Logo
HHlambda3 Class Reference

An observable class for the quartic Higgs potential coupling \(\lambda_3^\text{HH}\). More...

#include <THDMquantities.h>

+ Inheritance diagram for HHlambda3:

Detailed Description

An observable class for the quartic Higgs potential coupling \(\lambda_3^\text{HH}\).

This class is used to compute the quartic Higgs potential coupling \(\lambda_3^\text{HH}\), see (4.8) in [133].

Definition at line 1172 of file THDMquantities.h.

Public Member Functions

double computeThValue ()
 The quartic coupling \(\lambda_3^\text{HH}\). More...
 
 HHlambda3 (const StandardModel &SM_i)
 HHlambda3 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...
 

Public Attributes

const THDMmyTHDM
 

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

◆ HHlambda3()

HHlambda3::HHlambda3 ( const StandardModel SM_i)

HHlambda3 constructor.

Definition at line 865 of file THDMquantities.cpp.

866 : ThObservable(SM_i), myTHDM(static_cast<const THDM*> (&SM_i))
867 {}

Member Function Documentation

◆ computeThValue()

double HHlambda3::computeThValue ( )
virtual

The quartic coupling \(\lambda_3^\text{HH}\).

Returns
\(\lambda_3^\text{HH}\)

Implements ThObservable.

Definition at line 869 of file THDMquantities.cpp.

870 {
871  double mHl2=myTHDM->getmHl2();
872  double vev=myTHDM->v();
873  double sinb=myTHDM->getsinb();
874  double cosb=myTHDM->getcosb();
875  double sin2b=2.0*sinb*cosb;
876  double mHh2=myTHDM->getmHh2();
877  double sina=myTHDM->getsina();
878  double cosa=myTHDM->getcosa();
879  double sin2a=2.0*sina*cosa;
880  double m12_2=myTHDM->getm12_2();
881 
882  return ((mHh2-mHl2)*sin2a-2.0*m12_2)/(2.0*vev*vev*sin2b);
883 }

Member Data Documentation

◆ myTHDM

const THDM* HHlambda3::myTHDM

Definition at line 1186 of file THDMquantities.h.


The documentation for this class was generated from the following files:
THDM::getsinb
double getsinb() const
A method get .
Definition: THDM.h:291
StandardModel::v
virtual double v() const
The Higgs vacuum expectation value.
Definition: StandardModel.cpp:917
THDM::getm12_2
double getm12_2() const
A method get the parameter of the Higgs potential .
Definition: THDM.h:491
THDM::getsina
double getsina() const
A method get .
Definition: THDM.h:331
ThObservable::ThObservable
ThObservable(const StandardModel &SM_i)
Constructor.
Definition: ThObservable.h:32
THDM::getmHh2
double getmHh2() const
A method get the squared mass of the "non-125 GeV" neutral scalar Higgs.
Definition: THDM.h:365
HHlambda3::myTHDM
const THDM * myTHDM
Definition: THDMquantities.h:1186
THDM::getcosa
double getcosa() const
A method get .
Definition: THDM.h:323
THDM::getmHl2
double getmHl2() const
A method get the squared mass of the lighter neutral scalar Higgs.
Definition: THDM.h:339
THDM::getcosb
double getcosb() const
A method get .
Definition: THDM.h:299