Statements (28)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
Subatomic particle
|
| gptkbp:charge |
can be negative
can be neutral can be positive |
| gptkbp:class |
hadron
|
| gptkbp:composedOf |
gptkb:Dragon
gptkb:antiquark |
| gptkbp:discoveredBy |
gptkb:Cecil_Powell
|
| gptkbp:discoveredIn |
1947
|
| gptkbp:example |
gptkb:J/psi_meson
gptkb:eta_meson gptkb:rho_meson pion kaon |
| gptkbp:foundIn |
gptkb:particle_accelerators
cosmic rays |
| gptkbp:hasLifetime |
short
|
| https://www.w3.org/2000/01/rdf-schema#label |
Mesons
|
| gptkbp:isBoson |
true
|
| gptkbp:participatedIn |
gptkb:weak_interaction
electromagnetic interaction strong interaction |
| gptkbp:range |
between electron and proton
|
| gptkbp:spin |
gptkb:integral
|
| gptkbp:symbol |
M
|
| gptkbp:bfsParent |
gptkb:Boson
gptkb:Quarks |
| gptkbp:bfsLayer |
5
|