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lambda4 Class Reference

An observable class for the quartic Higgs potential coupling \(\lambda_4\). More...

#include <THDMquantities.h>

+ Inheritance diagram for lambda4:

Detailed Description

An observable class for the quartic Higgs potential coupling \(\lambda_4\).

This class is used to compute the quartic Higgs potential coupling \(\lambda_4\).

Definition at line 451 of file THDMquantities.h.

Public Member Functions

double computeThValue ()
 The quartic coupling \(\lambda_4\). More...
 
 lambda4 (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 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

◆ lambda4()

lambda4::lambda4 ( const StandardModel SM_i)

Constructor.

Definition at line 251 of file THDMquantities.cpp.

252 : ThObservable(SM_i), myTHDM(static_cast<const THDM*> (&SM_i))
253 {}

Member Function Documentation

◆ computeThValue()

double lambda4::computeThValue ( )
virtual

The quartic coupling \(\lambda_4\).

Returns
\(\lambda_4\)

Implements ThObservable.

Definition at line 255 of file THDMquantities.cpp.

256 {
257  double mA2=myTHDM->getmA2();
258  double mHp2=myTHDM->getmHp2();
259  double vev=myTHDM->v();
260  double sinb=myTHDM->getsinb();
261  double cosb=myTHDM->getcosb();
262  double m12_2=myTHDM->getm12_2();
263 
264  return ((mA2-2.0*mHp2)*sinb*cosb+m12_2)/(vev*vev*sinb*cosb);
265 }

Member Data Documentation

◆ myTHDM

const THDM* lambda4::myTHDM

Definition at line 465 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::getmA2
double getmA2() const
A method get the squared mass of the pseudoscalar Higgs A.
Definition: THDM.h:423
THDM::getm12_2
double getm12_2() const
A method get the parameter of the Higgs potential .
Definition: THDM.h:491
THDM::getmHp2
double getmHp2() const
A method get the squared charged Higgs mass.
Definition: THDM.h:457
ThObservable::ThObservable
ThObservable(const StandardModel &SM_i)
Constructor.
Definition: ThObservable.h:32
lambda4::myTHDM
const THDM * myTHDM
Definition: THDMquantities.h:465
THDM::getcosb
double getcosb() const
A method get .
Definition: THDM.h:299