Acts::SinglyChargedParticleHypothesis Class Reference

Specialized particle hypothesis for singly charged particles. More...

#include <Acts/EventData/ParticleHypothesis.hpp>

Inheritance diagram for Acts::SinglyChargedParticleHypothesis:

Collaboration diagram for Acts::SinglyChargedParticleHypothesis:

Public Member Functions
template<typename other_charge_t>
constexpr	SinglyChargedParticleHypothesis (const GenericParticleHypothesis< other_charge_t > &other)
	Convert from another particle hypothesis with different charge type.
	SinglyChargedParticleHypothesis (PdgParticle absPdg)
	Constructor with PDG particle code (mass from particle data table).
constexpr	SinglyChargedParticleHypothesis (PdgParticle absPdg, float mass)
	Constructor with explicit mass.
Public Member Functions inherited from Acts::GenericParticleHypothesis< SinglyCharged >
constexpr	GenericParticleHypothesis (PdgParticle absPdg, float mass, ChargeType chargeType)
	Creates a particle hypothesis using absolute PDG, mass and the charge type.
constexpr float	absoluteCharge () const noexcept
	Get the hypothesized absolute charge.
constexpr PdgParticle	absolutePdg () const noexcept
	Get the hypothesized absolute PDG.
constexpr const ChargeType &	chargeType () const noexcept
	Get the hypothesized charge type.
constexpr auto	extractCharge (T qOverP) const noexcept
	Extracts the signed charge from the q over p track parameter using the charge hypothesis.
constexpr auto	extractMomentum (T qOverP) const noexcept
	Extracts the particle momentum from the q over p track parameter using the charge hypothesis.
constexpr float	mass () const noexcept
	Get the hypothesized mass.
constexpr auto	qOverP (P momentum, Q signedQ) const noexcept
	Calculate the q over p track parameter with the given absolute momentum and charge.
std::ostream &	toStream (std::ostream &os) const
	Output stream representation of the particle hypothesis.

Static Public Member Functions
static SinglyChargedParticleHypothesis	chargedGeantino ()
	Create a charged geantino particle hypothesis (massless charged particle).
static SinglyChargedParticleHypothesis	electron ()
	Create an electron particle hypothesis.
static SinglyChargedParticleHypothesis	kaon ()
	Create a charged kaon particle hypothesis.
static SinglyChargedParticleHypothesis	muon ()
	Create a muon particle hypothesis.
static SinglyChargedParticleHypothesis	pion ()
	Create a charged pion particle hypothesis.
static SinglyChargedParticleHypothesis	proton ()
	Create a proton particle hypothesis.

Additional Inherited Members
Public Types inherited from Acts::GenericParticleHypothesis< SinglyCharged >
using	ChargeType
	Type alias for charge type used in particle hypothesis.

Detailed Description

Specialized particle hypothesis for singly charged particles.

Note

This serves as a factory for common singly charge particles.

Constructor & Destructor Documentation

SinglyChargedParticleHypothesis() [1/3]

Acts::SinglyChargedParticleHypothesis::SinglyChargedParticleHypothesis ( PdgParticle absPdg, float mass )

constexpr

Constructor with explicit mass.

Parameters

absPdg	The absolute PDG particle code
mass	The particle mass

SinglyChargedParticleHypothesis() [2/3]

Acts::SinglyChargedParticleHypothesis::SinglyChargedParticleHypothesis ( PdgParticle absPdg )

explicit

Constructor with PDG particle code (mass from particle data table).

Parameters

absPdg

The absolute PDG particle code

SinglyChargedParticleHypothesis() [3/3]

template<typename other_charge_t>

Acts::SinglyChargedParticleHypothesis::SinglyChargedParticleHypothesis ( const GenericParticleHypothesis< other_charge_t > & other )

explicitconstexpr

Convert from another particle hypothesis with different charge type.

Parameters

other

The source particle hypothesis to convert from

Member Function Documentation

chargedGeantino()

SinglyChargedParticleHypothesis Acts::SinglyChargedParticleHypothesis::chargedGeantino ( )

static

Create a charged geantino particle hypothesis (massless charged particle).

Returns

Singly charged geantino particle hypothesis

electron()

SinglyChargedParticleHypothesis Acts::SinglyChargedParticleHypothesis::electron ( )

static

Create an electron particle hypothesis.

Returns

Singly charged electron particle hypothesis

kaon()

SinglyChargedParticleHypothesis Acts::SinglyChargedParticleHypothesis::kaon ( )

static

Create a charged kaon particle hypothesis.

Returns

Singly charged kaon particle hypothesis

muon()

SinglyChargedParticleHypothesis Acts::SinglyChargedParticleHypothesis::muon ( )

static

Create a muon particle hypothesis.

Returns

Singly charged muon particle hypothesis

pion()

SinglyChargedParticleHypothesis Acts::SinglyChargedParticleHypothesis::pion ( )

static

Create a charged pion particle hypothesis.

Returns

Singly charged pion particle hypothesis

proton()

SinglyChargedParticleHypothesis Acts::SinglyChargedParticleHypothesis::proton ( )

static

Create a proton particle hypothesis.

Returns

Singly charged proton particle hypothesis