Gell-Mann–Okubo mass formula

E179973

The Gell-Mann–Okubo mass formula is a relation in particle physics that predicts the mass patterns of hadrons within SU(3) flavor symmetry multiplets, providing quantitative support for the quark model and the Eightfold Way classification.

All labels observed (1)

Label Occurrences
Gell-Mann–Okubo mass formula canonical 5

How this entity was disambiguated

Statements (42)

Predicate Object
instanceOf hadron mass relation ⓘ
mass formula ⓘ
relation in particle physics ⓘ
appliesTo baryon octet ⓘ
hadrons ⓘ
linked to: quark model

meson octet ⓘ
approximate yes ⓘ
approximationType first-order SU(3) symmetry breaking ⓘ
assumes approximate SU(3) flavor symmetry ⓘ
basedOn SU(3) flavor symmetry ⓘ
linked to: SU(3)
category standard model phenomenology ⓘ
theoretical physics concept ⓘ
context strong interaction physics ⓘ
describes mass splittings within hadron multiplets ⓘ
explains regularities in hadron mass spectra ⓘ
field particle physics ⓘ
historicalRole provided early evidence for quark degrees of freedom ⓘ
provided quantitative support for the Eightfold Way classification ⓘ
inspiredBy Eightfold Way classification of hadrons ⓘ
introducedBy Murray Gell-Mann ⓘ
Susumu Okubo ⓘ
mathematicalForm linear relation among hadron masses in a multiplet ⓘ
predicts mass patterns of hadrons in SU(3) multiplets ⓘ
relatedTo Coleman–Glashow mass formula ⓘ
Eightfold Way ⓘ
SU(3) flavor symmetry breaking ⓘ
baryon decuplet mass patterns ⓘ
baryon octet (N, Λ, Σ, Ξ) ⓘ
baryon octet mass relation ⓘ
flavor SU(3) representations ⓘ
pseudoscalar meson octet (π, K, η) ⓘ
pseudoscalar meson octet mass relation ⓘ
quark flavor symmetry u, d, s ⓘ
status standard tool in hadron phenomenology ⓘ
supportsTheory quark model ⓘ
usedFor estimating unknown hadron masses ⓘ
usedIn hadron spectroscopy ⓘ
tests of SU(3) flavor symmetry ⓘ
usesConcept SU(3) multiplet structure ⓘ
hypercharge ⓘ
isospin symmetry ⓘ
validWhen mass differences between u, d, s quarks are moderate ⓘ

How these facts were elicited

Referenced by (5)

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

Eightfold Way classification → relatedTo → Gell-Mann–Okubo mass formula ⓘ
Susumu Okubo → knownFor → Gell-Mann–Okubo mass formula ⓘ
Susumu Okubo → notableWork → Gell-Mann–Okubo mass formula ⓘ
Eightfold Way → relatedConcept → Gell-Mann–Okubo mass formula ⓘ
Coleman–Glashow mass formula → relatedTo → Gell-Mann–Okubo mass formula ⓘ