J particle

GPTKB entity

Statements (25)
Predicate Object
gptkbp:instanceOf Particle
gptkbp:alsoKnownAs gptkb:J/psi_meson
gptkbp:contentType charm quark
anti-charm quark
gptkbp:decayModes electron-positron pair
muon-antimuon pair
gptkbp:discoveredBy gptkb:Samuel_Ting
gptkb:Burton_Richter
gptkbp:discoveredIn 1974
https://www.w3.org/2000/01/rdf-schema#label J particle
gptkbp:lifespan 7.2×10^-21 s
gptkbp:mass 3.0969 GeV/c^2
gptkbp:namedAfter J from Samuel Ting's experiment
psi from Burton Richter's experiment
gptkbp:nobelPrizeRelated gptkb:1976_Nobel_Prize_in_Physics
gptkbp:particleType meson
gptkbp:range 0
gptkbp:significance evidence for charm quark
triggered November Revolution in particle physics
gptkbp:spin 1
gptkbp:symbol gptkb:J/ψ
gptkbp:bfsParent gptkb:J/ψ
gptkb:J/psi_particle
gptkb:J_(from_Samuel_Ting's_group)
gptkbp:bfsLayer 7