Eightfold Way

E674928

The Eightfold Way is a classification scheme for hadrons in particle physics that organizes them into symmetry-based groups, laying the groundwork for the quark model.

All labels observed (2)

Label Occurrences
Eightfold Way canonical 2
Eightfold Way classification scheme 1

How this entity was disambiguated

Statements (46)

Predicate Object
instanceOf classification scheme
flavor symmetry model
theory in particle physics
appliesTo hadrons
assumes approximate SU(3) flavor symmetry
approximate mass degeneracy within multiplets
basedOn SU(3) flavor symmetry
classificationCriterion hypercharge
isospin
strangeness
concerns strong interaction
developedBy Murray Gell-Mann
Yuval Ne'eman
distinctFrom color SU(3) gauge symmetry
explains patterns in hadron masses
regularities in hadron quantum numbers
field particle physics
frameworkType flavor symmetry classification
groupHadronsBy representation of SU(3)
hasSymmetryType internal symmetry
historicalPeriod 1960s
influenced development of quantum chromodynamics
inspired quark model
introducedConcept hadron multiplets
language English
namedAfter Buddhist Noble Eightfold Path
linked to: Eightfold Path
organizes baryons
mesons
precedes quark-parton model
linked to: quark model
predicted Omega minus baryon
predictionConfirmedBy discovery of Omega minus baryon
predicts baryon decuplet
baryon octet
hadron multiplets
meson octet
providedFoundationFor quark model
relatedConcept Gell-Mann–Okubo mass formula
relatedTo flavor SU(3)
status historically important but approximate model
treatsAsFundamental down quark
strange quark
up quark
usedFor predicting new hadrons
systematizing hadron spectrum
usesSymmetryGroup SU(3)
yearProposed 1961

How these facts were elicited

Referenced by (3)

Full triples — surface form annotated when it differs from this entity's canonical label.

Yuval Ne'eman knownFor Eightfold Way
Murray Gell-Mann knownFor Eightfold Way classification scheme
subject linked to: Gell-Mann family
linked to: Eightfold Way