RBDtaunu Class Reference

A class for \(B \to D \tau \nu\) decays in the THDM. More...

#include <BDtaunu.h>

Inheritance diagram for RBDtaunu:

Detailed Description

A class for \(B \to D \tau \nu\) decays in the THDM.

Author

HEPfit Collaboration

Copyright

GNU General Public License

Definition at line 71 of file BDtaunu.h.

Public Member Functions
double	computeThValue ()
	Calculates the ratio of the branching fractions of \(B \to D \tau \nu\) and \(B \to D \ell \nu\) decays.
	RBDtaunu (const StandardModel &SM_i)
	Constructor of the RBDtaunu class.
Public Member Functions inherited from BDtaunu
	BDtaunu (const StandardModel &SM_i)
	Constructor of the BDtaunu class.
virtual	~BDtaunu ()
	Destructor of the BDtaunu class.
Public Member Functions inherited from ThObservable
double	getBinMax ()
	A get method to get the maximum value of the bin.
double	getBinMin ()
	A get method to get the minimum value of the bin.
const StandardModel &	getModel ()
	A get method to get the model.
const std::vector< std::string >	getParametersForObservable ()
	A get method to get the parameters for the specific observable.
void	setBinMax (double max)
	A set method to set the maximum value of the bin.
void	setBinMin (double min)
	A set method to set the minimum value of the bin.
void	setParametersForObservable (std::vector< std::string > parametersForObservable_i)
	A set method to get the parameters for the specific observable.
	ThObservable (const StandardModel &SM_i)
	Constructor.
	ThObservable (const ThObservable &orig)
	The copy constructor.
virtual	~ThObservable ()
	The default destructor.

Additional Inherited Members
Public Attributes inherited from BDtaunu
const THDM *	myTHDM
Protected Attributes inherited from ThObservable
double	max
	the bin maximum.
double	min
	The bin minimum.
std::vector< std::string >	parametersForObservable
	a vector of parameter namesfor the specific observable
const StandardModel &	SM
	A reference to an object of StandardMode class.

Constructor & Destructor Documentation

RBDtaunu()

RBDtaunu::RBDtaunu

(

const StandardModel &

SM_i

)

Constructor of the RBDtaunu class.

Definition at line 30 of file BDtaunu.cpp.

: BDtaunu(SM_i)
{}

Member Function Documentation

computeThValue()

double RBDtaunu::computeThValue ( )

virtual

Calculates the ratio of the branching fractions of \(B \to D \tau \nu\) and \(B \to D \ell \nu\) decays.

The expression is Eq. (20) in [Lees:2013uzd].

Reimplemented from BDtaunu.

Definition at line 34 of file BDtaunu.cpp.

{
    double RBDtaunu_SM=myTHDM->getBDtaunu_SM();
    double AD=myTHDM->getBDtaunu_A();
    double BD=myTHDM->getBDtaunu_B();
    double mHp2=myTHDM->getmHp2();
    double tanb=myTHDM->gettanb();
    return RBDtaunu_SM + ( AD + BD * tanb*tanb/(mHp2) ) * tanb*tanb/(mHp2);
}

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

• BDtaunu.h
• BDtaunu.cpp