Statements (26)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
Particle
meson |
| gptkbp:antiparticle |
gptkb:π+_(pi-plus)
|
| gptkbp:color |
colorless
|
| gptkbp:composedOf |
gptkb:quarks
|
| gptkbp:contentType |
down antiquark and up quark
|
| gptkbp:discoveredBy |
gptkb:Cecil_Powell
|
| gptkbp:discoveredIn |
1947
|
| gptkbp:family |
pion
|
| https://www.w3.org/2000/01/rdf-schema#label |
π- (pi-minus)
|
| gptkbp:interactsWith |
gptkb:weak_interaction
electromagnetic interaction strong interaction gravitational interaction |
| gptkbp:isospin |
1
|
| gptkbp:lifespan |
2.6033×10^-8 s
|
| gptkbp:mass |
139.57039 MeV/c^2
|
| gptkbp:mode |
electron and electron antineutrino
muon and muon antineutrino |
| gptkbp:par |
-1
|
| gptkbp:range |
-1 elementary charge
|
| gptkbp:spin |
0
|
| gptkbp:statistic |
boson
|
| gptkbp:symbol |
π-
|
| gptkbp:bfsParent |
gptkb:Pion
|
| gptkbp:bfsLayer |
5
|