DecayDescriptorParticle Class Reference

Represents a particle in the DecayDescriptor. More...

#include <DecayDescriptorParticle.h>

Public Member Functions
	DecayDescriptorParticle ()
	Default ctor.
	DecayDescriptorParticle (const DecayDescriptorParticle &)=default
	Want the default copy ctor.
DecayDescriptorParticle &	operator= (const DecayDescriptorParticle &)=default
	Want the default assignment operator.
bool	init (const DecayStringParticle &p)
	initialise member variables from std::string member variables contained in a DecayStringParticle struct.
std::string	getName () const
	evt.pdl name of the particle.
std::string	getFullName () const
	returns the full name of the particle full_name = name:label
std::string	getNameSimple () const
	Return the name from getName() without + - * or anti-.
bool	isSelected () const
	Is the particle selected in the decay string?
std::string	getLabel () const
	The label of this particle, "default" returned, when no label set.
int	getPDGCode () const
	Return PDG code.
int	getProperty () const
	return property of the particle.
bool	isUnspecified () const
	Is the particle unspecified?
bool	isIgnoreMisID () const
	Check if misID shall be ignored.
bool	isIgnoreDecayInFlight () const
	Check if decayInFlight shall be ignored.

Private Attributes
std::string	m_strName
	evt.pdl name of the particle.
bool	m_isSelected
	Is particle selected?
int	m_properties
	Particle property.
std::string	m_strLabel
	Label of this particle to distinguish e.g.
int	m_iPDGCode
	PDG code of the decaying particle.

Detailed Description

Represents a particle in the DecayDescriptor.

It is used for mother and daughter particles.

User documentation is located at analysis/doc/DecayDescriptor.rst Please modify in accordingly to introduced changes.

Definition at line 27 of file DecayDescriptorParticle.h.

Constructor & Destructor Documentation

DecayDescriptorParticle()

DecayDescriptorParticle

(

)

Default ctor.

Definition at line 20 of file DecayDescriptorParticle.cc.

                                                 :
  m_strName(""),
  m_isSelected(false),
  m_properties(0),
  m_strLabel(""),
  m_iPDGCode(0)
{}

Member Function Documentation

getFullName()

std::string getFullName ( ) const

inline

returns the full name of the particle full_name = name:label

Definition at line 59 of file DecayDescriptorParticle.h.

    {
      if (m_strLabel.empty())
        return m_strName;
      else
        return m_strName + ":" + m_strLabel;
    }

getLabel()

std::string getLabel ( ) const

inline

The label of this particle, "default" returned, when no label set.

Definition at line 74 of file DecayDescriptorParticle.h.

    {
      return m_strLabel;
    }

getName()

std::string getName ( ) const

inline

evt.pdl name of the particle.

Definition at line 52 of file DecayDescriptorParticle.h.

    {
      return m_strName;
    }

getNameSimple()

string getNameSimple

(

)

const

Return the name from getName() without + - * or anti-.

Definition at line 53 of file DecayDescriptorParticle.cc.

{
  string strNameSimple(m_strName);
  erase_all(strNameSimple, "anti-");
  erase_all(strNameSimple, "+");
  erase_all(strNameSimple, "-");
  erase_all(strNameSimple, "/");
  erase_all(strNameSimple, "(");
  erase_all(strNameSimple, ")");
  replace_all(strNameSimple, "*", "ST");
  replace_all(strNameSimple, "'", "p");
  return strNameSimple;
}

getPDGCode()

int getPDGCode ( ) const

inline

Return PDG code.

Definition at line 79 of file DecayDescriptorParticle.h.

    {
      return m_iPDGCode;
    }

getProperty()

int getProperty ( ) const

inline

return property of the particle.

Definition at line 84 of file DecayDescriptorParticle.h.

    {
      return m_properties;
    }

init()

bool init

(

const DecayStringParticle &

p

)

initialise member variables from std::string member variables contained in a DecayStringParticle struct.

Definition at line 28 of file DecayDescriptorParticle.cc.

{
  // Set member variables from the information in the DecayStringParticle p
  m_strName = p.m_strName;
  if (!p.m_strSelector.empty()) {
    m_isSelected    = (p.m_strSelector.find('^') != std::string::npos);
 
    if (p.m_strSelector.find('@') != std::string::npos)
      m_properties |= Particle::PropertyFlags::c_IsUnspecified;
    if (p.m_strSelector.find("(misID)") != std::string::npos)
      m_properties |= Particle::PropertyFlags::c_IsIgnoreMisID;
    if (p.m_strSelector.find("(decay)") != std::string::npos)
      m_properties |= Particle::PropertyFlags::c_IsIgnoreDecayInFlight;
  }
  if (!p.m_strLabel.empty()) m_strLabel = p.m_strLabel;
  // Determine PDG code using the particle names defined in evt.pdl
  TParticlePDG* particle = TDatabasePDG::Instance()->GetParticle(m_strName.c_str());
  if (!particle) {
    B2WARNING("Particle not in evt.pdl file! " << m_strName);
    return false;
  }
  m_iPDGCode = particle->PdgCode();
  return true;
}

isIgnoreDecayInFlight()

bool isIgnoreDecayInFlight ( ) const

inline

Check if decayInFlight shall be ignored.

Definition at line 99 of file DecayDescriptorParticle.h.

    {
      return (m_properties & Particle::PropertyFlags::c_IsIgnoreDecayInFlight);
    }

isIgnoreMisID()

bool isIgnoreMisID ( ) const

inline

Check if misID shall be ignored.

Definition at line 94 of file DecayDescriptorParticle.h.

    {
      return (m_properties & Particle::PropertyFlags::c_IsIgnoreMisID);
    }

isSelected()

bool isSelected ( ) const

inline

Is the particle selected in the decay string?

Definition at line 69 of file DecayDescriptorParticle.h.

    {
      return m_isSelected;
    }

isUnspecified()

bool isUnspecified ( ) const

inline

Is the particle unspecified?

Definition at line 89 of file DecayDescriptorParticle.h.

    {
      return (m_properties & Particle::PropertyFlags::c_IsUnspecified);
    }

Member Data Documentation

m_iPDGCode

int m_iPDGCode

private

PDG code of the decaying particle.

Definition at line 38 of file DecayDescriptorParticle.h.

m_isSelected

bool m_isSelected

private

Is particle selected?

Definition at line 32 of file DecayDescriptorParticle.h.

m_properties

int m_properties

private

Particle property.

Flags are defined in Particle::PropertyFlags

Definition at line 34 of file DecayDescriptorParticle.h.

m_strLabel

std::string m_strLabel

private

Label of this particle to distinguish e.g.

different decay channels or selection criteria.

Definition at line 36 of file DecayDescriptorParticle.h.

m_strName

std::string m_strName

private

evt.pdl name of the particle.

Definition at line 30 of file DecayDescriptorParticle.h.

---

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

• analysis/DecayDescriptor/include/DecayDescriptorParticle.h
• analysis/DecayDescriptor/src/DecayDescriptorParticle.cc