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deltagZttV Class Reference

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

#include <NP_couplings.h>

+ Inheritance diagram for deltagZttV:

Detailed Description

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

Author
HEPfit Collaboration

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

Definition at line 629 of file NP_couplings.h.

Public Member Functions

double computeThValue ()
 The deviation from the SM of the \(Z t t\) vector coupling \(\delta g_{Ztt}^{V}/g_{SM}\). More...
 
 deltagZttV (const StandardModel &SM_i, const double mu_i)
 Constructor. More...
 
virtual ~deltagZttV ()
 Destructor of the deltagZttV 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

◆ deltagZttV()

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

Constructor.

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

Definition at line 455 of file NP_couplings.cpp.

456:ThObservable(SM_i), mu(mu_i)
457{
458 if ((myNPbase = dynamic_cast<const NPbase*> (&SM)) == NULL)
459 throw std::runtime_error("deltagZttV called with a class whose parent is not NPbase");
460}
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:651
const NPbase * myNPbase
Definition: NP_couplings.h:650

◆ ~deltagZttV()

deltagZttV::~deltagZttV ( )
virtual

Destructor of the deltagZttV class.

Definition at line 463 of file NP_couplings.cpp.

464{}

Member Function Documentation

◆ computeThValue()

double deltagZttV::computeThValue ( )
virtual

The deviation from the SM of the \(Z t t\) vector coupling \(\delta g_{Ztt}^{V}/g_{SM}\).

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

Implements ThObservable.

Definition at line 466 of file NP_couplings.cpp.

467{
468// Corrections to Ztt eff. couplings are 0 by default in NPBase, unless overrriden.
469 double sw2_tree = 1.0 - (SM.StandardModel::Mw_tree())*(SM.StandardModel::Mw_tree())/(SM.getMz())/(SM.getMz());
470 //double dgV = myNPbase->deltaGV_f(SM.getQuarks(StandardModel::TOP));
473 double gSM = ((SM.getQuarks(StandardModel::TOP)).getIsospin()) * (1.0 - 4.0*fabs(SM.getQuarks(StandardModel::TOP).getCharge())*sw2_tree);
474
475 //return dgV/gSM;
476 return (dgL + dgR)/gSM;
477}
const double deltaGR_f_mu(const Particle p, const double mu) const
New physics contribution to the neutral-current right-handed coupling .
Definition: NPbase.cpp:238
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
double getCharge() const
A get method to access the particle charge.
Definition: Particle.h:97
@ 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 deltagZttV::mu
private

Definition at line 651 of file NP_couplings.h.

◆ myNPbase

const NPbase* deltagZttV::myNPbase
private

Definition at line 650 of file NP_couplings.h.


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