BParticle Class Reference

The Class for Masterclass particle information This class provides the data structure of the particle that are used by Belle II Masterclass application. More...

#include <BParticle.h>

Inheritance diagram for BParticle:

Collaboration diagram for BParticle:

Public Member Functions
	BParticle ()
	Default constructor.
	BParticle (const BParticle &)=default
	Constructor using the particle.
	BParticle (float px, float py, float pz, float energy, float charge, SIMPLEPID pid)
	Constructor of fthe particle. More...
	~BParticle ()
	Default destructor.
float	px () const
float	py () const
float	pz () const
	z More...
float	e () const
float	GetMomentum () const
	Get the momentum of the particle. More...
float	GetTransverseMomentum () const
	Get the transverse momentum of the particle. More...
float	charge () const
	Get the particle charge. More...
SIMPLEPID	pid () const
	Get the particle identity. More...
float	GetMass (SIMPLEPID pid)
	Get the mass of the particle with the identity. More...
float	GetMass ()
	Get the mass of the particle. More...
void	SetEnergyFromMass (float mass)
	Recalculate energy from particle mass and momentum. More...
void	SetEnergyFromPid ()
	Recalculate energy from particle identity and momentum.
void	SetPid (SIMPLEPID pid)
	Set particle identity. More...
int	InMassRange (float mlower, float mupper)
	Test if the mass is in range. More...
BParticle	operator+ (const BParticle &b)
	Adds to particles.
BParticle &	operator= (const BParticle &p)
	Assign a particle.

Private Attributes
float	m_px
	x component of the particle momentum
float	m_py
	y component of the particle momentum
float	m_pz
	z component of the particle momentum
float	m_e
	energy of the particle
float	m_charge
	charge of the particle
SIMPLEPID	m_pid
	particle identity

Detailed Description

The Class for Masterclass particle information This class provides the data structure of the particle that are used by Belle II Masterclass application.

Definition at line 18 of file BParticle.h.

Constructor & Destructor Documentation

BParticle()

BParticle	(	float	px,
		float	py,
		float	pz,
		float	energy,
		float	charge,
		SIMPLEPID	pid
	)

Constructor of fthe particle.

Parameters

px	- x component of the particle momentum
py	- y component of the particle momentum
pz	- z component of the particle momentum
energy	- energy of the particle
charge	- unit charge of the particle
pid	- particle identity - hypothesis with the highest maximum likelihood

Definition at line 12 of file BParticle.cc.

{
  m_px = px;
  m_py = py;
  m_pz = pz;
  m_e = e;
  m_charge = charge;
  m_pid = pid;
}

Member Function Documentation

charge()

float charge ( ) const

inline

Get the particle charge.

Returns

particle unit charge

Definition at line 79 of file BParticle.h.

{ return m_charge; };

e()

float e ( ) const

inline

Returns

particle energy GeV

Definition at line 64 of file BParticle.h.

GetMass() [1/2]

float GetMass

(

)

Get the mass of the particle.

Returns

mass of the particle GeV/c2

Definition at line 46 of file BParticle.cc.

GetMass() [2/2]

float GetMass

(

SIMPLEPID

pid

)

Get the mass of the particle with the identity.

Parameters

pid	particle identity

Returns

mass of the particle GeV/c2

Definition at line 24 of file BParticle.cc.

GetMomentum()

float GetMomentum ( ) const

inline

Get the momentum of the particle.

Returns

particle momentum GeV/c

Definition at line 69 of file BParticle.h.

GetTransverseMomentum()

float GetTransverseMomentum ( ) const

inline

Get the transverse momentum of the particle.

Returns

transverse particle momentum GeV/c

Definition at line 74 of file BParticle.h.

InMassRange()

int InMassRange ( float  mlower, float  mupper  )

inline

Test if the mass is in range.

Parameters

mlower	lower limit of the range
mupper	upper limit of the range

Definition at line 124 of file BParticle.h.

pid()

SIMPLEPID pid ( ) const

inline

Get the particle identity.

Returns

the particle identity

Definition at line 86 of file BParticle.h.

px()

float px ( ) const

inline

Returns

x component of the particle momentum GeV/c

Definition at line 52 of file BParticle.h.

py()

float py ( ) const

inline

Returns

y component of the particle momentum GeV/c

Definition at line 56 of file BParticle.h.

pz()

float pz ( ) const

inline

z

Returns

z component of the particle momentum GeV/c

Definition at line 60 of file BParticle.h.

SetEnergyFromMass()

void SetEnergyFromMass

(

float

mass

)

Recalculate energy from particle mass and momentum.

Parameters

mass	of the particle

Definition at line 53 of file BParticle.cc.

SetPid()

void SetPid ( SIMPLEPID  pid )

inline

Set particle identity.

Parameters

pid	- particle identity

Definition at line 116 of file BParticle.h.

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

• masterclass/dataobjects/include/BParticle.h
• masterclass/dataobjects/src/BParticle.cc