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g_hhh Class Reference

An observable class for the triple Higgs coupling \(g_{hhh}\). More...

#include <THDMquantities.h>

+ Inheritance diagram for g_hhh:

Detailed Description

An observable class for the triple Higgs coupling \(g_{hhh}\).

Taken from [Baglio:2014nea], equation (5) and multiplied by the SM coupling. Cross-checked with equation (F1) from [Gunion:2002zf]

Definition at line 521 of file THDMquantities.h.

Public Member Functions

double computeThValue ()
 The triple Higgs coupling \(g_{hhh}\). More...
 
 g_hhh (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

◆ g_hhh()

g_hhh::g_hhh ( const StandardModel SM_i)

Constructor.

Definition at line 303 of file THDMquantities.cpp.

304: ThObservable(SM_i), myTHDM(static_cast<const THDM*> (&SM_i))
305{}
A base class for symmetric Two-Higgs-Doublet models.
Definition: THDM.h:120
ThObservable(const StandardModel &SM_i)
Constructor.
Definition: ThObservable.h:32
const THDM * myTHDM

Member Function Documentation

◆ computeThValue()

double g_hhh::computeThValue ( )
virtual

The triple Higgs coupling \(g_{hhh}\).

Returns
\(g_{hhh}\)

Implements ThObservable.

Definition at line 307 of file THDMquantities.cpp.

308{
309 double mHl2=myTHDM->getmHl2();
310 double vev=myTHDM->v();
311 double sinb=myTHDM->getsinb();
312 double cosb=myTHDM->getcosb();
313 double sina=myTHDM->getsina();
314 double cosa=myTHDM->getcosa();
315 double bma=myTHDM->getbma();
316 double m12_2=myTHDM->getm12_2();
317
318 return 3.0*( -mHl2*(cosa*cosa*cosa/sinb - sina*sina*sina/cosb)
319 +cos(bma)*m12_2*(cosa*cosa/(sinb*sinb) - sina*sina/(cosb*cosb)) )/vev;
320}
const double v() const
The Higgs vacuum expectation value.
double getbma() const
A method get .
Definition: THDM.h:307
double getsinb() const
A method get .
Definition: THDM.h:291
double getmHl2() const
A method get the squared mass of the lighter neutral scalar Higgs.
Definition: THDM.h:339
double getm12_2() const
A method get the parameter of the Higgs potential .
Definition: THDM.h:491
double getcosb() const
A method get .
Definition: THDM.h:299
double getcosa() const
A method get .
Definition: THDM.h:323
double getsina() const
A method get .
Definition: THDM.h:331

Member Data Documentation

◆ myTHDM

const THDM* g_hhh::myTHDM

Definition at line 535 of file THDMquantities.h.


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