Detailed Description

A class for the \(A_{CP}\) in \(M \to V \gamma\) decay.

Author: HEPfit Collaboration

Copyright: GNU General Public License

This class is used to compute the \(A_{CP}\) in \(M \to V \gamma\) in terms of the helicity amplitudes \(H_V^{(+,-)},\overline{H}_V^{(+,-)}\), computed in the MVgamma class:

\[ A_{CP} = \frac {( |H_V^+|^2 + |H_A^+|^2 - |\overline{H}_V^-|^2 - |\overline{H}_A^-|^2)}{( |H_V^+|^2 + |H_A^+|^2 +|\overline{H}_V^-|^2 + |\overline{H}_A^-|^2)} \,. \]

Definition at line 196 of file MVgamma.h.

Public Member Functions
	ACP_MVgamma (const StandardModel &SM_i, StandardModel::meson meson_i, StandardModel::meson vector_i)
	Constructor. More...

double	computeThValue ()
	The \(A_{CP}\) in \(M \to V \gamma\). More...

Public Member Functions inherited from MVgamma
gslpp::complex	G1 (double s)
	Correction in eq. (42) of [43]. More...

gslpp::complex	G8 ()
	Correction in eq. (42) of [43]. More...

gslpp::complex	H1 (double s)
	Correction in eq. (42) of [43]. More...

gslpp::complex	H8 ()
	Correction in eq. (42) of [43]. More...

gslpp::complex	H_V_m ()
	The helicity amplitude \( H_V^- \). More...

gslpp::complex	H_V_m_bar ()
	The helicity amplitude \( \bar{H}_V^- \). More...

gslpp::complex	H_V_p ()
	The helicity amplitude \( H_V^+ \). More...

gslpp::complex	H_V_p_bar ()
	The helicity amplitude \( \bar{H}_V^+ \). More...

	MVgamma (const StandardModel &SM_i, StandardModel::meson meson_i, StandardModel::meson vector_i)
	Constructor. More...

double	T_1 ()
	The transverse form factor \( T_1 \). More...

void	updateParameters ()
	The update parameter method for MVgamma. More...

virtual	~MVgamma ()
	Destructor. 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::meson	meson

StandardModel::meson	vectorM

Additional Inherited Members
Public Attributes inherited from MVgamma
double	a_0T1

double	a_1T1

double	a_2T1

double	ale

gslpp::vector< gslpp::complex > **	allcoeff

gslpp::vector< gslpp::complex > **	allcoeffh

gslpp::vector< gslpp::complex > **	allcoeffprime

gslpp::complex	C_2

gslpp::complex	C_2h

gslpp::complex	C_7

gslpp::complex	C_7p

gslpp::complex	C_8

gslpp::complex	C_8h

double	GF

gslpp::complex	h [2]

double	lambda

gslpp::complex	lambda_t

double	Mb

double	Mc

double	MM

double	MM2

double	MRT1_2

double	Ms

double	mu_b

double	mu_h

double	MV

double	MW

double	width

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

ACP_MVgamma::ACP_MVgamma	(	const StandardModel &	SM_i,
		StandardModel::meson	meson_i,
		StandardModel::meson	vector_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

Definition at line 174 of file MVgamma.cpp.

                                                                                                            : MVgamma(SM_i, meson_i, vector_i)
 {
     meson = meson_i;
     vectorM = vector_i;
 }

Member Function Documentation

double ACP_MVgamma::computeThValue ( )

virtual

The \(A_{CP}\) in \(M \to V \gamma\).

Returns: \(A_{CP}\)

Implements ThObservable.

Definition at line 180 of file MVgamma.cpp.

 {
     updateParameters();
 
     return ((H_V_p().abs2() + H_V_m().abs2() - H_V_p_bar().abs2() - H_V_m_bar().abs2())) / (H_V_p().abs2() + H_V_m().abs2() + H_V_p_bar().abs2() + H_V_m_bar().abs2());
 }

Member Data Documentation

StandardModel::meson ACP_MVgamma::meson

private

Initial meson type.

Definition at line 214 of file MVgamma.h.

StandardModel::meson ACP_MVgamma::vectorM

private

Final vector meson type.

Definition at line 215 of file MVgamma.h.

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

Detailed Description

Public Member Functions

Private Attributes

Additional Inherited Members

Constructor & Destructor Documentation

Member Function Documentation

Member Data Documentation