Koide formula

GPTKB entity

Statements (17)
Predicate Object
gptkbp:instanceOf empirical formula
gptkbp:appliesTo charged leptons
gptkbp:category lepton mass relations
gptkbp:expressedIn (me + mmu + mtau) / ( (sqrt(me) + sqrt(mmu) + sqrt(mtau))^2 ) = 2/3
gptkbp:field particle physics
gptkbp:hasPrecision high (matches experimental values closely)
https://www.w3.org/2000/01/rdf-schema#label Koide formula
gptkbp:namedAfter gptkb:Yoshio_Koide
gptkbp:notExplainedBy gptkb:Standard_Model
gptkbp:proposedBy 1981
gptkbp:relatedTo electron mass
muon mass
tau mass
gptkbp:status empirical observation
gptkbp:subjectOf physics research papers
gptkbp:bfsParent gptkb:Yoshio_Koide
gptkbp:bfsLayer 5