log_teg Class Reference

A class for calculating the branching ratio of the process \( \tau \to e \gamma \). More...

#include <li_lj_gamma.h>

Inheritance diagram for log_teg:

Detailed Description

A class for calculating the branching ratio of the process \( \tau \to e \gamma \).

Author

HEPfit Collaboration

Copyright

GNU General Public License

The log_teg class calculates the branching ratio of the process \( \tau \to e \gamma \) in the model.

Definition at line 231 of file li_lj_gamma.h.

Public Member Functions
double	computeThValue ()
	log_teg (const StandardModel &SM_i)
	Calculates the value of the process \( \tau \to e \gamma \). 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 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...

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

log_teg()

log_teg::log_teg

(

const StandardModel &

SM_i

)

Calculates the value of the process \( \tau \to e \gamma \).

Returns

value of the process \( \tau \to e \gamma \).

Definition at line 127 of file li_lj_gamma.cpp.

: ThObservable(SM_i)
{}

Member Function Documentation

computeThValue()

double log_teg::computeThValue ( )

virtual

Returns

decadic log of the process \( \tau \to e \gamma \).

Implements ThObservable.

Definition at line 131 of file li_lj_gamma.cpp.

{
    double alph = SM.getAle();
    double mTAU = SM.getLeptons(StandardModel::TAU).getMass();
    gslpp::vector<gslpp::complex> ** allcoeff_te = SM.getMyLeptonFlavour()->ComputeCoeffli_lj_gamma(3);
    double BR_tau_e_gamma = (alph*pow(mTAU,5) * ((*(allcoeff_te[LO])) * (*(allcoeff_te[LO])).conjugate()).abs() / (2.26735e-12) );
    return log10(BR_tau_e_gamma);
}

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

• li_lj_gamma.h
• li_lj_gamma.cpp