lambda2 Class Reference

An observable class for the quartic Higgs potential coupling \(\lambda_2\). More...

#include <THDMquantities.h>

Inheritance diagram for lambda2:
Collaboration diagram for lambda2:

Detailed Description

An observable class for the quartic Higgs potential coupling \(\lambda_2\).

This class is used to compute the quartic Higgs potential coupling \(\lambda_2\).

Definition at line 275 of file THDMquantities.h.

Public Member Functions

double computeThValue ()
 The quartic coupling \(\lambda_2\). More...
 lambda2 (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

lambda2::lambda2 ( const StandardModel SM_i)


Definition at line 139 of file THDMquantities.cpp.

140 : ThObservable(SM_i), myTHDM(static_cast<const THDM*> (&SM_i))
141 {}
ThObservable(const StandardModel &SM_i)
Definition: ThObservable.h:29
const THDM * myTHDM

Member Function Documentation

double lambda2::computeThValue ( )

The quartic coupling \(\lambda_2\).


Implements ThObservable.

Definition at line 143 of file THDMquantities.cpp.

144 {
145  double mHl=myTHDM->getMHl();
146  double vev=myTHDM->v();
147  double tanb=myTHDM->gettanb();
148  double sinb=myTHDM->getsinb();
149  double mHh2=myTHDM->getmHh2();
150  double sina=myTHDM->getsina();
151  double cosa=myTHDM->getcosa();
152  double m12_2=myTHDM->getm12_2();
154  return (mHh2*sina*sina+mHl*mHl*cosa*cosa-m12_2/tanb)/(vev*vev*sinb*sinb);
155 }
double getm12_2() const
Definition: THDM.h:278
double getsina() const
Definition: THDM.h:222
double getsinb() const
Definition: THDM.h:182
double gettanb() const
Definition: THDM.h:174
double getmHh2() const
Definition: THDM.h:230
virtual double v() const
The Higgs vacuum expectation value. where is the Fermi constant, measured through muon decays...
const THDM * myTHDM
double getMHl() const
A get method to retrieve the Higgs mass .
double getcosa() const
Definition: THDM.h:214

Member Data Documentation

const THDM* lambda2::myTHDM

Definition at line 289 of file THDMquantities.h.

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