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BR_tcZ Class Reference

#include <TopQuarkObservables.h>

+ Inheritance diagram for BR_tcZ:

Detailed Description

Definition at line 1774 of file TopQuarkObservables.h.

Public Member Functions

 BR_tcZ (const StandardModel &SM_i)
 BR_tcZ: 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 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 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 StandardModelSM
 A reference to an object of StandardMode class. More...
 

Constructor & Destructor Documentation

◆ BR_tcZ()

BR_tcZ::BR_tcZ ( const StandardModel SM_i)

BR_tcZ: constructor.

Definition at line 4777 of file TopQuarkObservables.cpp.

4778: ThObservable(SM_i), mytopobs(static_cast<const NPSMEFTd6General&> (SM))
4779{
4780 setParametersForObservable(make_vector<std::string>() << "Gammatop");
4781}
const TopQuarkObservables mytopobs
A model class for new physics in the form of the dimension-six effective Lagrangian.
void setParametersForObservable(std::vector< std::string > parametersForObservable_i)
A set method to get the parameters for the specific observable.
Definition: ThObservable.h:109
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

Member Function Documentation

◆ computeThValue()

double BR_tcZ::computeThValue ( )
virtual
Returns
The value of BR_tcZ:

Implements ThObservable.

Definition at line 4783 of file TopQuarkObservables.cpp.

4784{
4785 bool flag_Quadratic = false; //Needs to be properly defined
4786
4787
4788 double alpha = mytopobs.GetmyNPSMEFTd6General().getAle();
4789 double sbar = -mytopobs.GetmyNPSMEFTd6General().getXBZ_tree();
4790 double cbar = mytopobs.GetmyNPSMEFTd6General().getXWZ_tree();
4791 double sbar2 = sbar * sbar;
4792 double cbar2 = cbar * cbar;
4793 double mZ = mytopobs.GetmyNPSMEFTd6General().getMz();
4795 double mZ2 = mZ * mZ;
4796 double mt2 = mt * mt;
4797 double mt3 = mt2 * mt;
4798 double v = mytopobs.GetmyNPSMEFTd6General().v();
4799 double v2 = v * v;
4800 double Gammatop = SM.getOptionalParameter("Gammatop");
4801
4802 gslpp::complex XL = 0.5 * v2 * (ewgc("CHq3R",1,2) + gslpp::complex::i() * ewgc("CHq3I",1,2) + ewgc("CHq3R",2,1) - gslpp::complex::i() * ewgc("CHq3I",2,1) - ewgc("CHq1R",1,2) - gslpp::complex::i() * ewgc("CHq1I",1,2) - ewgc("CHq1R",2,1) + gslpp::complex::i() * ewgc("CHq1I",2,1));
4803 double absXL2 = (XL * XL.conjugate()).abs();
4804 gslpp::complex XR = - 0.5 * v2 * (ewgc("CHuR",1,2) + gslpp::complex::i() * ewgc("CHuI",1,2) + ewgc("CHuR",2,1) - gslpp::complex::i() * ewgc("CHuI",2,1));
4805 double absXR2 = (XR * XR.conjugate()).abs();
4806 gslpp::complex kL = sqrt(2.) * v2 * (cbar * (ewgc("CuWR",2,1) - gslpp::complex::i() * ewgc("CuWI",2,1)) - sbar * (ewgc("CuBR",2,1) - gslpp::complex::i() * ewgc("CuBI",2,1)));
4807 double abskL2 = (kL * kL.conjugate()).abs();
4808 gslpp::complex kR = sqrt(2.) * v2 * (cbar * (ewgc("CuWR",1,2) + gslpp::complex::i() * ewgc("CuWI",1,2)) - sbar * (ewgc("CuBR",1,2) + gslpp::complex::i() * ewgc("CuBI",1,2)));
4809 double abskR2 = (kR * kR.conjugate()).abs();
4810
4811
4812 if(flag_Quadratic){
4813
4814 return 0.;
4815
4816 }
4817 else{
4818
4819 double Gammag = alpha / (32. * sbar2 * cbar2) * (absXL2 + absXR2) * mt3 / mZ2 * (1. - mZ2 / mt2) * (1. - mZ2 / mt2) * (1. + 2. * mZ2 / mt2);
4820 double Gammas = alpha / (16. * sbar2 * cbar2) * (abskL2 + abskR2) * mt * (1. - mZ2 / mt2) * (1. - mZ2 / mt2) * (2. + mZ2 / mt2);
4821 double Gammags = alpha / (32. * sbar2 * cbar2) * 12. * ((XL * kR.conjugate()).real() + (XR * kL.conjugate()).real()) * mt * (1. - mZ2 / mt2) * (1. - mZ2 / mt2);
4822 double total = (Gammag + Gammas + Gammags) / Gammatop;
4823
4824 if (total < 0) return std::numeric_limits<double>::quiet_NaN();
4825
4826 return total;
4827
4828 }
4829
4830}
double ewgc(const std::string name) const
const double getOptionalParameter(std::string name) const
A method to get parameters that are specific to only one set of observables.
Definition: QCD.h:450
const double getMtpole() const
A get method to access the pole mass of the top quark.
Definition: QCD.h:600
const double getMz() const
A get method to access the mass of the boson .
const double v() const
The Higgs vacuum expectation value.
const double getAle() const
A get method to retrieve the fine-structure constant .
const NPSMEFTd6General & GetmyNPSMEFTd6General() const

◆ ewgc() [1/3]

double BR_tcZ::ewgc ( const std::string  name) const
inline

Definition at line 1787 of file TopQuarkObservables.h.

1788 {
1789 return mytopobs.GetmyNPSMEFTd6General().getSMEFTCoeffEW(name);
1790 }

◆ ewgc() [2/3]

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

Definition at line 1792 of file TopQuarkObservables.h.

1793 {
1794 return mytopobs.GetmyNPSMEFTd6General().getSMEFTCoeffEW(name, i, j);
1795 }

◆ ewgc() [3/3]

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

Definition at line 1797 of file TopQuarkObservables.h.

1798 {
1799 return mytopobs.GetmyNPSMEFTd6General().getSMEFTCoeffEW(name, i, j, k, l);
1800 }

Member Data Documentation

◆ mytopobs

const TopQuarkObservables BR_tcZ::mytopobs
private

Definition at line 1805 of file TopQuarkObservables.h.


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