Statements (33)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
gptkb:hadron_family
|
| gptkbp:category |
gptkb:meson
|
| gptkbp:composedOf |
charm quark
anti-charm quark |
| gptkbp:contains |
gptkb:eta_c
gptkb:psi(2S) gptkb:psi(3770) gptkb:psi(4040) gptkb:psi(4160) gptkb:psi(4415) gptkb:J/psi_meson chi_c0 chi_c1 chi_c2 h_c |
| gptkbp:discoveredIn |
1974
|
| gptkbp:discoveryEvent |
gptkb:November_Revolution
|
| gptkbp:hasDecayMode |
hadronic decay
leptonic decay radiative decay |
| gptkbp:hasQuantumNumber |
baryon number=0
bottomness=0 charm=0 electric charge=0 isospin=0 strangeness=0 topness=0 |
| gptkbp:isParentClassOf |
gptkb:quarkonium
|
| gptkbp:studiedIn |
particle physics
|
| gptkbp:symbol |
cc̄
|
| gptkbp:bfsParent |
gptkb:J/ψ_particle
|
| gptkbp:bfsLayer |
6
|
| https://www.w3.org/2000/01/rdf-schema#label |
charmonium family
|