Gammaw_MVlnu Class Reference

#include <MVlnuObservables.h>

Inheritance diagram for Gammaw_MVlnu:

Detailed Description

Definition at line 20 of file MVlnuObservables.h.

Public Member Functions
double	computeThValue ()
	The binned observable \(<\Gamma><w>\) in \(M \to V l \nu\). More...
	Gammaw_MVlnu (const StandardModel &SM_i, QCD::meson meson_i, QCD::meson vector_i, QCD::lepton lep_1, QCD::lepton lep_2)
	Constructor. 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...

Private Attributes
QCD::lepton	lep1
QCD::lepton	lep2
QCD::meson	meson
QCD::meson	vectorM

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

Gammaw_MVlnu()

Gammaw_MVlnu::Gammaw_MVlnu	(	const StandardModel &	SM_i,
		QCD::meson	meson_i,
		QCD::meson	vector_i,
		QCD::lepton	lep_1,
		QCD::lepton	lep_2
	)

Constructor.

Parameters

[in]	SM_i	a reference to an object of type StandardModel
[in]	meson_i	initial meson of the decay
[in]	vector_i	final vector meson of the decay
[in]	lep_1	final leptons of the decay
[in]	lep_2	final leptons of the decay

Definition at line 13 of file MVlnuObservables.cpp.

: ThObservable(SM_i) 
{  
    lep1 = lep_1;
    lep2 = lep_2;
    meson = meson_i;
    vectorM = vector_i;
    
    setParametersForObservable(SM.getFlavour().getMVlnu(meson, vectorM, lep1).initializeMVlnuParameters());
    setParametersForObservable(SM.getFlavour().getMVlnu(meson, vectorM, lep2).initializeMVlnuParameters());
}

Member Function Documentation

computeThValue()

double Gammaw_MVlnu::computeThValue ( )

virtual

The binned observable \(<\Gamma><w>\) in \(M \to V l \nu\).

Returns

\(<\Gamma><w>\)

Implements ThObservable.

Definition at line 25 of file MVlnuObservables.cpp.

{
    double w_min = getBinMin();
    double w_max = getBinMax();
    double MM = SM.getMesons(meson).getMass();
    double MV = SM.getMesons(vectorM).getMass();
    double q2_min_lep1 = SM.getLeptons(lep1).getMass()*SM.getLeptons(lep1).getMass();
    double w_max_lep1 = (MM*MM+MV*MV)/(2.*MM*MV)-q2_min_lep1/(2.*MM*MV);
    double deltaGammadeltaw_lep2_extra = 0.;
    
    w_max_lep1 = std::min(w_max_lep1, w_max);
    
    if (w_max >  w_max_lep1) deltaGammadeltaw_lep2_extra = SM.getFlavour().getMVlnu(meson, vectorM, lep2).getDeltaGammaDeltaw(w_max_lep1, w_max);
    
    double deltaGammadeltaw_lep1 = SM.getFlavour().getMVlnu(meson, vectorM, lep1).getDeltaGammaDeltaw(w_min,w_max_lep1);
    double deltaGammadeltaw_lep2 = SM.getFlavour().getMVlnu(meson, vectorM, lep2).getDeltaGammaDeltaw(w_min,w_max_lep1);
    
    return (deltaGammadeltaw_lep2_extra+0.5*(deltaGammadeltaw_lep1+deltaGammadeltaw_lep2))*1.e+15; // in units of 10^-15 GeV // NOTE: DO NOT divide by the bin size because experimentalists do not.
}

Member Data Documentation

lep1

QCD::lepton Gammaw_MVlnu::lep1

private

Final leptons type.

Definition at line 40 of file MVlnuObservables.h.

lep2

QCD::lepton Gammaw_MVlnu::lep2

private

Final leptons type.

Definition at line 41 of file MVlnuObservables.h.

meson

QCD::meson Gammaw_MVlnu::meson

private

Initial meson type.

Definition at line 42 of file MVlnuObservables.h.

vectorM

QCD::meson Gammaw_MVlnu::vectorM

private

Final vector meson type.

Definition at line 43 of file MVlnuObservables.h.

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

• MVlnuObservables.h
• MVlnuObservables.cpp