Statements (27)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
Particle
meson |
| gptkbp:antiparticle |
gptkb:pions
|
| gptkbp:composedOf |
gptkb:Dragon
gptkb:antiquark |
| gptkbp:discoveredBy |
gptkb:Cecil_Powell
|
| gptkbp:discoveredIn |
1947
|
| gptkbp:hasType |
gptkb:pi-minus
gptkb:pi-plus pi-zero |
| https://www.w3.org/2000/01/rdf-schema#label |
pions
|
| gptkbp:lifespan |
2.6×10^-8 s
8.4×10^-17 s |
| gptkbp:mass |
135.0 MeV/c^2
139.6 MeV/c^2 |
| gptkbp:medium |
gptkb:strong_nuclear_force
|
| gptkbp:mode |
muon and neutrino
two photons |
| gptkbp:namedAfter |
Greek letter pi
|
| gptkbp:partOf |
gptkb:nucleus
|
| gptkbp:range |
+1
0 -1 |
| gptkbp:spin |
0
|
| gptkbp:symbol |
π
|
| gptkbp:bfsParent |
gptkb:Bose-Einstein_statistics
|
| gptkbp:bfsLayer |
5
|