BR_tuZ Class Reference

#include <TopQuarkObservables.h>

Inheritance diagram for BR_tuZ:

Detailed Description

Definition at line 1820 of file TopQuarkObservables.h.

Public Member Functions
	BR_tuZ (const StandardModel &SM_i)
	BR_tuZ: constructor. More...
double	computeThValue ()
double	ewgc (const std::string name) const
double	ewgc (const std::string name, int i, int j) const
double	ewgc (const std::string name, int i, int j, int k, int l) const
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 StandardModel &	getModel ()
	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 TopQuarkObservables	mytopobs

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 StandardModel &	SM
	A reference to an object of StandardMode class. More...

Constructor & Destructor Documentation

BR_tuZ()

BR_tuZ::BR_tuZ

(

const StandardModel &

SM_i

)

BR_tuZ: constructor.

Definition at line 4833 of file TopQuarkObservables.cpp.

: ThObservable(SM_i), mytopobs(static_cast<const NPSMEFTd6General&> (SM))
{
    setParametersForObservable(make_vector<std::string>() << "Gammatop");
}

Member Function Documentation

computeThValue()

double BR_tuZ::computeThValue ( )

virtual

Returns

The value of BR_tuZ:

Implements ThObservable.

Definition at line 4839 of file TopQuarkObservables.cpp.

{
    bool flag_Quadratic = false; //Needs to be properly defined
 
    
    double alpha = mytopobs.GetmyNPSMEFTd6General().getAle();
    double sbar = -mytopobs.GetmyNPSMEFTd6General().getXBZ_tree();
    double cbar = mytopobs.GetmyNPSMEFTd6General().getXWZ_tree();
    double sbar2 = sbar * sbar;
    double cbar2 = cbar * cbar;
    double mZ = mytopobs.GetmyNPSMEFTd6General().getMz();
    double mt = mytopobs.GetmyNPSMEFTd6General().getMtpole();
    double mZ2 = mZ * mZ;
    double mt2 = mt * mt;
    double mt3 = mt2 * mt;
    double v = mytopobs.GetmyNPSMEFTd6General().v();
    double v2 = v * v;
    double Gammatop = SM.getOptionalParameter("Gammatop");
    
    gslpp::complex XL = 0.5 * v2 * (ewgc("CHq3R",0,2) + gslpp::complex::i() * ewgc("CHq3I",0,2) + ewgc("CHq3R",2,0) - gslpp::complex::i() * ewgc("CHq3I",2,0) - ewgc("CHq1R",0,2) - gslpp::complex::i() * ewgc("CHq1I",0,2) - ewgc("CHq1R",2,0) + gslpp::complex::i() * ewgc("CHq1I",2,0));
    double absXL2 = (XL * XL.conjugate()).abs();
    gslpp::complex XR = - 0.5 * v2 * (ewgc("CHuR",0,2) + gslpp::complex::i() * ewgc("CHuI",0,2) + ewgc("CHuR",2,0) - gslpp::complex::i() * ewgc("CHuI",2,0));
    double absXR2 = (XR * XR.conjugate()).abs();
    gslpp::complex kL = sqrt(2.) * v2 * (cbar * (ewgc("CuWR",2,0) - gslpp::complex::i() * ewgc("CuWI",2,0)) - sbar * (ewgc("CuBR",2,0) - gslpp::complex::i() * ewgc("CuBI",2,0)));
    double abskL2 = (kL * kL.conjugate()).abs();
    gslpp::complex kR = sqrt(2.) * v2 * (cbar * (ewgc("CuWR",0,2) + gslpp::complex::i() * ewgc("CuWI",0,2)) - sbar * (ewgc("CuBR",0,2) + gslpp::complex::i() * ewgc("CuBI",0,2)));
    double abskR2 = (kR * kR.conjugate()).abs();
    
 
    if(flag_Quadratic){
 
        return 0.;
 
       }
    else{
 
        double Gammag = alpha / (32. * sbar2 * cbar2) * (absXL2 + absXR2) * mt3 / mZ2 * (1. - mZ2 / mt2) * (1. - mZ2 / mt2) * (1. + 2. * mZ2 / mt2);
        double Gammas = alpha / (16. * sbar2 * cbar2) * (abskL2 + abskR2) * mt * (1. - mZ2 / mt2) * (1. - mZ2 / mt2) * (2. + mZ2 / mt2);
    double Gammags = alpha / (32. * sbar2 * cbar2) * 12. * ((XL * kR.conjugate()).real() + (XR * kL.conjugate()).real()) * mt * (1. - mZ2 / mt2) * (1. - mZ2 / mt2);
        double total = (Gammag + Gammas + Gammags) / Gammatop;
 
        if (total < 0) return std::numeric_limits<double>::quiet_NaN();
 
        return total;
 
    }
 
}

ewgc() [1/3]

double BR_tuZ::ewgc ( const std::string  name ) const

inline

Definition at line 1833 of file TopQuarkObservables.h.

    {
        return mytopobs.GetmyNPSMEFTd6General().getSMEFTCoeffEW(name);
    }

ewgc() [2/3]

double BR_tuZ::ewgc ( const std::string  name, int  i, int  j  ) const

inline

Definition at line 1838 of file TopQuarkObservables.h.

    {
        return mytopobs.GetmyNPSMEFTd6General().getSMEFTCoeffEW(name, i, j);
    }

ewgc() [3/3]

double BR_tuZ::ewgc ( const std::string  name, int  i, int  j, int  k, int  l  ) const

inline

Definition at line 1843 of file TopQuarkObservables.h.

    {
        return mytopobs.GetmyNPSMEFTd6General().getSMEFTCoeffEW(name, i, j, k, l);
    }

Member Data Documentation

mytopobs

const TopQuarkObservables BR_tuZ::mytopobs

private

Definition at line 1851 of file TopQuarkObservables.h.

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

• TopQuarkObservables.h
• TopQuarkObservables.cpp