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h_0 Class Reference

A class for the correction \(h_0\) in \(B \to K^*\). More...

#include <MVllObservables.h>

+ Inheritance diagram for h_0:

Detailed Description

A class for the correction \(h_0\) in \(B \to K^*\).

Author
HEPfit Collaboration

This class is used to compute the correction \(h_0\) in \(B \to K^*\)

Definition at line 1587 of file MVllObservables.h.

Public Member Functions

double computeThValue ()
 The correction \(h_0\) in \(B \to K^*\). More...
 
 h_0 (const StandardModel &SM_i, QCD::meson meson_i, QCD::meson vector_i, QCD::lepton lep_i, unsigned int typ_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 StandardModelgetModel ()
 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 lep
 
QCD::meson meson
 
unsigned int typ
 
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 StandardModelSM
 A reference to an object of StandardMode class. More...
 

Constructor & Destructor Documentation

◆ h_0()

h_0::h_0 ( const StandardModel SM_i,
QCD::meson  meson_i,
QCD::meson  vector_i,
QCD::lepton  lep_i,
unsigned int  typ_i 
)

Constructor.

Parameters
[in]SM_ia reference to an object of type StandardModel
[in]meson_iinitial meson of the decay
[in]vector_ifinal vector meson of the decay
[in]typ_iobservable type

Definition at line 826 of file MVllObservables.cpp.

828 : ThObservable(SM_i)
829 {
830  lep = lep_i;
831  meson = meson_i;
832  vectorM = vector_i;
833  typ = typ_i;
834 

Member Function Documentation

◆ computeThValue()

double h_0::computeThValue ( )
virtual

The correction \(h_0\) in \(B \to K^*\).

Returns
\(h_0\)

Implements ThObservable.

Definition at line 837 of file MVllObservables.cpp.

839 {
840  double q_min = getBinMin();
841 
842  if (typ == 1) return (SM.getFlavour().getMVll(meson, vectorM, lep).geth_0_re(q_min));
843  else if (typ == 2) return (SM.getFlavour().getMVll(meson, vectorM, lep).geth_0_im(q_min));
844  else if (typ == 3) return ((SM.getFlavour().getMVll(meson, vectorM, lep).geth_0_re(q_min) + gslpp::complex::i() * SM.getFlavour().getMVll(meson, vectorM, lep).geth_0_im(q_min)).abs());
845  else if (typ == 4) return ((SM.getFlavour().getMVll(meson, vectorM, lep).geth_0_re(q_min) + gslpp::complex::i() * SM.getFlavour().getMVll(meson, vectorM, lep).geth_0_im(q_min)).arg());
846  else throw std::runtime_error("MVllObservables::h_0: type can only be 1:real, 2:imaginary, 3:absolute and 4:argument");

Member Data Documentation

◆ lep

QCD::lepton h_0::lep
private

Final leptons type.

Definition at line 1606 of file MVllObservables.h.

◆ meson

QCD::meson h_0::meson
private

Initial meson type.

Definition at line 1607 of file MVllObservables.h.

◆ typ

unsigned int h_0::typ
private

Observable type: 1 for averaged real part, 2 for averaged immaginary part, 3 for averaged absolute part, 4 for averaged argument part.

Definition at line 1609 of file MVllObservables.h.

◆ vectorM

QCD::meson h_0::vectorM
private

Final vector meson type.

Definition at line 1608 of file MVllObservables.h.


The documentation for this class was generated from the following files:
ThObservable::setParametersForObservable
void setParametersForObservable(std::vector< std::string > parametersForObservable_i)
A set method to get the parameters for the specific observable.
Definition: ThObservable.h:109
MVll::initializeMVllParameters
std::vector< std::string > initializeMVllParameters()
A method for initializing the parameters necessary for MVll.
Definition: MVll.cpp:149
h_0::typ
unsigned int typ
Definition: MVllObservables.h:1609
ThObservable::ThObservable
ThObservable(const StandardModel &SM_i)
Constructor.
Definition: ThObservable.h:32
h_0::lep
QCD::lepton lep
Definition: MVllObservables.h:1606
gslpp::complex::i
static const complex & i()
Definition: gslpp_complex.cpp:154
h_0::meson
QCD::meson meson
Definition: MVllObservables.h:1607
ThObservable::SM
const StandardModel & SM
A reference to an object of StandardMode class.
Definition: ThObservable.h:121
StandardModel::getFlavour
const Flavour & getFlavour() const
Definition: StandardModel.h:1006
MVll::geth_0_im
double geth_0_im(double q2)
The imaginary part of .
Definition: MVll.h:656
ThObservable::getBinMin
double getBinMin()
A get method to get the minimum value of the bin.
Definition: ThObservable.h:82
h_0::vectorM
QCD::meson vectorM
Definition: MVllObservables.h:1608
Flavour::getMVll
MVll & getMVll(QCD::meson meson_i, QCD::meson vector_i, QCD::lepton lep_i) const
Returns the initial and final state dependent object for .
Definition: Flavour.cpp:123
MVll::geth_0_re
double geth_0_re(double q2)
The real part of .
Definition: MVll.h:646