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deltagZttL Class Reference

An observable class for the deviation from the SM of the \(Z t_{L} t_{L}\) coupling \(\delta g_{Ztt}^{L}/g_{SM}\). More...

#include <NP_couplings.h>

+ Inheritance diagram for deltagZttL:

Detailed Description

An observable class for the deviation from the SM of the \(Z t_{L} t_{L}\) coupling \(\delta g_{Ztt}^{L}/g_{SM}\).

Author
HEPfit Collaboration

This class is used to compute the deviation from the SM on the \(Z t_{L} t_{L}\) coupling \(\delta g_{Ztt}^{L}/g_{SM}\).

Definition at line 559 of file NP_couplings.h.

Public Member Functions

double computeThValue ()
 The deviation from the SM of the \(Z t_{L} t_{L}\) coupling \(\delta g_{Ztt}^{L}/g_{SM}\). More...
 
 deltagZttL (const StandardModel &SM_i, const double mu_i)
 Constructor. More...
 
virtual ~deltagZttL ()
 Destructor of the deltagZttL class. 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 double mu
 
const NPbasemyNPbase
 

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

◆ deltagZttL()

deltagZttL::deltagZttL ( const StandardModel SM_i,
const double  mu_i 
)

Constructor.

Parameters
[in]SM_ia reference to an object of type StandardModel

Definition at line 402 of file NP_couplings.cpp.

403:ThObservable(SM_i), mu(mu_i)
404{
405 if ((myNPbase = dynamic_cast<const NPbase*> (&SM)) == NULL)
406 throw std::runtime_error("deltagZttL called with a class whose parent is not NPbase");
407}
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 mu
Definition: NP_couplings.h:581
const NPbase * myNPbase
Definition: NP_couplings.h:580

◆ ~deltagZttL()

deltagZttL::~deltagZttL ( )
virtual

Destructor of the deltagZttL class.

Definition at line 410 of file NP_couplings.cpp.

411{}

Member Function Documentation

◆ computeThValue()

double deltagZttL::computeThValue ( )
virtual

The deviation from the SM of the \(Z t_{L} t_{L}\) coupling \(\delta g_{Ztt}^{L}/g_{SM}\).

Returns
\(\delta g_{Ztt}^{L}/g_{SM}\)

Implements ThObservable.

Definition at line 413 of file NP_couplings.cpp.

414{
415// Corrections to Ztt eff. couplings are 0 by default in NPBase, unless overrriden.
416 double sw2_tree = 1.0 - (SM.StandardModel::Mw_tree())*(SM.StandardModel::Mw_tree())/(SM.getMz())/(SM.getMz());
417 //double dgV = myNPbase->deltaGV_f(SM.getQuarks(StandardModel::TOP));
418 //double dgA = myNPbase->deltaGA_f(SM.getQuarks(StandardModel::TOP));
420 double gSM = (SM.getQuarks(StandardModel::TOP)).getIsospin()
421 - ((SM.getQuarks(StandardModel::TOP)).getCharge())*sw2_tree;
422
423 //return 0.5*(dgV + dgA)/gSM;
424 return dg/gSM;
425}
const double deltaGL_f_mu(const Particle p, const double mu) const
New physics contribution to the neutral-current left-handed coupling .
Definition: NPbase.cpp:231
@ TOP
Definition: QCD.h:328
const Particle & getQuarks(const QCD::quark q) const
A get method to access a quark as an object of the type Particle.
Definition: QCD.h:536
const double getMz() const
A get method to access the mass of the boson .

Member Data Documentation

◆ mu

const double deltagZttL::mu
private

Definition at line 581 of file NP_couplings.h.

◆ myNPbase

const NPbase* deltagZttL::myNPbase
private

Definition at line 580 of file NP_couplings.h.


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