Statements (23)
Predicate | Object |
---|---|
gptkbp:instanceOf |
Particle
pion |
gptkbp:antiparticle |
π⁺
|
gptkbp:baryonNumber |
0
|
gptkbp:color |
none
|
gptkbp:contentType |
down antiquark and up quark
|
gptkbp:discoveredBy |
gptkb:Cecil_Powell
|
gptkbp:discoveredIn |
1947
|
gptkbp:family |
meson
|
https://www.w3.org/2000/01/rdf-schema#label |
π⁻
|
gptkbp:isospin |
1
|
gptkbp:leptonNumber |
0
|
gptkbp:lifespan |
2.6033×10⁻⁸ s
|
gptkbp:mass |
139.57039 MeV/c²
|
gptkbp:mode |
electron and electron antineutrino
muon and muon antineutrino |
gptkbp:par |
-1
|
gptkbp:range |
-1 e
|
gptkbp:spin |
0
|
gptkbp:statistic |
boson
|
gptkbp:symbol |
gptkb:π⁻
|
gptkbp:bfsParent |
gptkb:pi-minus
|
gptkbp:bfsLayer |
7
|