Statements (26)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
Particle
meson |
| gptkbp:antiparticle |
itself
|
| gptkbp:charge_conjugation_parity |
+1
|
| gptkbp:color_charge |
neutral
|
| gptkbp:composedOf |
gptkb:quarks
|
| gptkbp:decaysTo |
gamma ray
2 photons |
| gptkbp:discoveredBy |
gptkb:Cecil_Powell
|
| gptkbp:discoveredIn |
1950
|
| https://www.w3.org/2000/01/rdf-schema#label |
neutral pion
|
| gptkbp:interactsWith |
gptkb:weak_interaction
electromagnetic interaction strong interaction |
| gptkbp:isospin |
1
|
| gptkbp:lifespan |
8.4 × 10^-17 s
|
| gptkbp:mass |
134.9768 MeV/c^2
|
| gptkbp:par |
-1
|
| gptkbp:quark_content |
down anti-down
up anti-up |
| gptkbp:range |
0
|
| gptkbp:spin |
0
|
| gptkbp:symbol |
gptkb:π⁰
gptkb:π0 |
| gptkbp:bfsParent |
gptkb:Proton_decay_(hypothetical)
|
| gptkbp:bfsLayer |
6
|