Statements (24)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
meson
|
| gptkbp:antiparticle |
itself
|
| gptkbp:baryonNumber |
0
|
| gptkbp:bottomness |
0
|
| gptkbp:charm |
0
|
| gptkbp:color_charge |
colorless
|
| gptkbp:decaysTo |
2 photons
3 neutral pions charged pion pairs and a neutral pion |
| gptkbp:discoveredBy |
gptkb:Brookhaven_National_Laboratory
1961 |
| https://www.w3.org/2000/01/rdf-schema#label |
eta meson
|
| gptkbp:isospin |
0
|
| gptkbp:mass |
547.862 MeV/c^2
|
| gptkbp:mean_lifetime |
5.0×10^-19 s
|
| gptkbp:par |
-1
|
| gptkbp:quark_content |
mixture of up, down, and strange quark-antiquark pairs
|
| gptkbp:range |
0
|
| gptkbp:spin |
0
|
| gptkbp:strangeness |
0
|
| gptkbp:symbol |
η
|
| gptkbp:topness |
0
|
| gptkbp:bfsParent |
gptkb:Meson
|
| gptkbp:bfsLayer |
5
|