lambda4 Class Reference

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

#include <THDMquantities.h>

Inheritance diagram for lambda4:
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Collaboration diagram for lambda4:
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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 321 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...
 
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...
 
 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...
 
const StandardModelSM
 A reference to an object of StandardMode class. More...
 

Constructor & Destructor Documentation

lambda4::lambda4 ( const StandardModel SM_i)

Constructor.

Definition at line 178 of file THDMquantities.cpp.

179 : ThObservable(SM_i), myTHDM(static_cast<const THDM*> (&SM_i))
180 {}
const THDM * myTHDM
ThObservable(const StandardModel &SM_i)
Constructor.
Definition: ThObservable.h:29

Member Function Documentation

double lambda4::computeThValue ( )
virtual

The quartic coupling \(\lambda_4\).

Returns
\(\lambda_4\)

Implements ThObservable.

Definition at line 182 of file THDMquantities.cpp.

183 {
184  double mA2=myTHDM->getmA2();
185  double mHp2=myTHDM->getmHp2();
186  double vev=myTHDM->v();
187  double sinb=myTHDM->getsinb();
188  double cosb=myTHDM->getcosb();
189  double m12_2=myTHDM->getm12_2();
190 
191  return ((mA2-2*mHp2)*sinb*cosb+m12_2)/(vev*vev*sinb*cosb);
192 }
double getm12_2() const
Definition: THDM.h:278
double getsinb() const
Definition: THDM.h:182
double getcosb() const
Definition: THDM.h:190
double getmHp2() const
Definition: THDM.h:262
const THDM * myTHDM
double getmA2() const
Definition: THDM.h:246
virtual double v() const
The Higgs vacuum expectation value. where is the Fermi constant, measured through muon decays...

Member Data Documentation

const THDM* lambda4::myTHDM

Definition at line 335 of file THDMquantities.h.


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