Statements (23)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
meson
|
| gptkbp:antiparticle |
gptkb:π0
|
| gptkbp:chargeConjugationParity |
+1
|
| gptkbp:color |
none
|
| gptkbp:contentType |
up antiquark, down quark (superposition)
|
| gptkbp:discoveredBy |
gptkb:Cecil_Powell
|
| gptkbp:discoveredIn |
1947
|
| gptkbp:family |
pion
|
| https://www.w3.org/2000/01/rdf-schema#label |
π0
|
| gptkbp:interactsWith |
gptkb:weak_interaction
electromagnetic interaction strong interaction |
| gptkbp:isospin |
1
|
| gptkbp:lifespan |
8.4×10^-17 s
|
| gptkbp:mass |
134.977 MeV/c^2
|
| gptkbp:mode |
2 gamma photons
|
| gptkbp:par |
-1
|
| gptkbp:range |
0
|
| gptkbp:spin |
0
|
| gptkbp:statistic |
boson
|
| gptkbp:symbol |
gptkb:π0
|
| gptkbp:bfsParent |
gptkb:neutral_pion
|
| gptkbp:bfsLayer |
7
|