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.
Observed surface forms (1)
| Surface form | Occurrences |
|---|---|
| Eightfold Way classification scheme | 1 |
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
NERFINISHED
ⓘ
Yuval Ne'eman NERFINISHED ⓘ |
| 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 NERFINISHED ⓘ |
| organizes |
baryons
ⓘ
mesons ⓘ |
| precedes | quark-parton model NERFINISHED ⓘ |
| predicted | Omega minus baryon NERFINISHED ⓘ |
| predictionConfirmedBy | discovery of Omega minus baryon ⓘ |
| predicts |
baryon decuplet
NERFINISHED
ⓘ
baryon octet ⓘ hadron multiplets ⓘ meson octet ⓘ |
| providedFoundationFor | quark model ⓘ |
| relatedConcept | Gell-Mann–Okubo mass formula NERFINISHED ⓘ |
| 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) NERFINISHED ⓘ |
| yearProposed | 1961 ⓘ |
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject surface form:
Murray Gell-Mann
this entity surface form:
Eightfold Way classification scheme