Statements (22)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
Particle
meson |
| gptkbp:contentType |
charm quark
charm antiquark |
| gptkbp:discoveredBy |
gptkb:Samuel_Ting
gptkb:Burton_Richter |
| gptkbp:discoveredIn |
1974
|
| https://www.w3.org/2000/01/rdf-schema#label |
psi particle
|
| gptkbp:mass |
3.0969 GeV/c^2
|
| gptkbp:mode |
electron-positron pair
muon-antimuon pair |
| gptkbp:namedAfter |
Greek letter psi
J (from Samuel Ting's experiment) |
| gptkbp:otherName |
gptkb:J/psi_meson
|
| gptkbp:range |
0
|
| gptkbp:significance |
evidence for charm quark
start of November Revolution in particle physics |
| gptkbp:spin |
1
|
| gptkbp:symbol |
gptkb:J/ψ
|
| gptkbp:bfsParent |
gptkb:J/ψ
gptkb:J/psi_particle |
| gptkbp:bfsLayer |
7
|