P_1f Class Reference

A class for the observable \(P_1\) in \(M \to V l^+l^-\). More...

#include <MVllObservables.h>

Inheritance diagram for P_1f:

Collaboration diagram for P_1f:

Detailed Description

A class for the observable \(P_1\) in \(M \to V l^+l^-\).

Author

HEPfit Collaboration

Copyright

GNU General Public License

This class is used to compute the observable \(P_1\) in \(M \to V l^+l^-\) in terms of the CP averaged helicity coefficients \(\Sigma_i\), computed in the MVll class:

\[ P_1=\frac {\Sigma_3}{2\Sigma_{2s}}\,. \]

Definition at line 1660 of file MVllObservables.h.

Public Member Functions
double	computeThValue ()
	The observable \(P_1\) in \(M \to V l^+l^-\). More...
	P_1f (const StandardModel &SM_i, StandardModel::meson meson_i, StandardModel::meson vector_i, StandardModel::lepton lep_i)
	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...
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...
	ThObservable (const StandardModel &SM_i)
	Constructor. More...
	ThObservable (const ThObservable &orig)
	The copy constructor. More...
virtual	~ThObservable ()
	The default destructor. More...

Private Attributes
StandardModel::lepton	lep
StandardModel::meson	meson
StandardModel::meson	vectorM

Additional Inherited Members
Protected Attributes inherited from ThObservable
double	max
	the bin maximum. More...
double	min
	The bin minimum. More...
const StandardModel &	SM
	A reference to an object of StandardMode class. More...

Constructor & Destructor Documentation

P_1f::P_1f	(	const StandardModel &	SM_i,
		StandardModel::meson	meson_i,
		StandardModel::meson	vector_i,
		StandardModel::lepton	lep_i
	)

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_i	final leptons of the decay

Definition at line 755 of file MVllObservables.cpp.

: ThObservable(SM_i) 
{
    lep = lep_i;
    meson = meson_i;
    vectorM = vector_i;
}

Member Function Documentation

double P_1f::computeThValue ( )

virtual

The observable \(P_1\) in \(M \to V l^+l^-\).

Returns

\(P_1\)

Implements ThObservable.

Definition at line 763 of file MVllObservables.cpp.

{
    double q_min = getBinMin();

    return SM.getMyFlavour()->getMVll(meson, vectorM, lep)->getSigma(4,q_min)/(2.* SM.getMyFlavour()->getMVll(meson, vectorM, lep)->getSigma(3,q_min));
}

Member Data Documentation

StandardModel::lepton P_1f::lep

private

Final leptons type.

Definition at line 1680 of file MVllObservables.h.

StandardModel::meson P_1f::meson

private

Initial meson type.

Definition at line 1681 of file MVllObservables.h.

StandardModel::meson P_1f::vectorM

private

Final vector meson type.

Definition at line 1682 of file MVllObservables.h.

---

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

• MVllObservables.h
• MVllObservables.cpp