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ggHgaga Class Reference

A class for computing the value of \(\sigma(ggH) Br(\gamma\gamma)\). More...

#include <HiggsThObservables.h>

+ Inheritance diagram for ggHgaga:

Detailed Description

A class for computing the value of \(\sigma(ggH) Br(\gamma\gamma)\).

Author
HEPfit Collaboration

Definition at line 5265 of file HiggsThObservables.h.

Public Member Functions

double computeThValue ()
 A method to compute the value of \(\sigma(ggH) Br(\gamma\gamma)\). More...
 
 ggHgaga (const StandardModel &SM_i, const double sqrt_s_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...
 

Private Attributes

const NPbasemyNPbase
 
const double sqrt_s
 

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

◆ ggHgaga()

ggHgaga::ggHgaga ( const StandardModel SM_i,
const double  sqrt_s_i 
)

Constructor.

Parameters
[in]SM_ia reference to a StandardModel object or to any extension of it
[in]sqrt_s_ithe center-of-mass energy in TeV

Definition at line 3752 of file HiggsThObservables.cpp.

3753: ThObservable(SM_i), sqrt_s(sqrt_s_i)
3754{
3755 if ((myNPbase = dynamic_cast<const NPbase*> (&SM)) == NULL)
3756 throw std::runtime_error("ggHgaga called with a class whose parent is not NPbase");
3757}
The auxiliary base model class for other model classes.
Definition: NPbase.h:66
ThObservable(const StandardModel &SM_i)
Constructor.
Definition: ThObservable.h:32
const StandardModel & SM
A reference to an object of StandardMode class.
Definition: ThObservable.h:121
const double sqrt_s
const NPbase * myNPbase

Member Function Documentation

◆ computeThValue()

double ggHgaga::computeThValue ( )
virtual

A method to compute the value of \(\sigma(ggH) Br(\gamma\gamma)\).

Returns
\(\sigma(ggH) Br(\gamma\gamma)\).

Implements ThObservable.

Definition at line 3758 of file HiggsThObservables.cpp.

3759{
3760 double SM_prediction = 0.0439; //Ref:https://www.hepdata.net/record/ins1468068, Table1 (after symmetrizing)
3761 if ((this->getModel()).isModelLinearized()) {
3762 return SM_prediction*( 1. + (myNPbase->muggH(sqrt_s)-1.) + (myNPbase->BrHgagaRatio()-1.) );
3763 } else {
3764 return SM_prediction*(myNPbase->muggH(sqrt_s))*(myNPbase->BrHgagaRatio());
3765 }
3766}
virtual const double BrHgagaRatio() const
The ratio of the Br in the current model and in the Standard Model.
Definition: NPbase.h:2228
virtual const double muggH(const double sqrt_s) const
The ratio between the gluon-gluon fusion Higgs production cross-section in the current model and in ...
Definition: NPbase.h:1105
const StandardModel & getModel()
A get method to get the model.
Definition: ThObservable.h:100

Member Data Documentation

◆ myNPbase

const NPbase* ggHgaga::myNPbase
private

Definition at line 5282 of file HiggsThObservables.h.

◆ sqrt_s

const double ggHgaga::sqrt_s
private

Definition at line 5283 of file HiggsThObservables.h.


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