Statements (25)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
Subatomic particle
|
| gptkbp:annihilatesWith |
gptkb:Proton
|
| gptkbp:antiparticle |
gptkb:Proton
|
| gptkbp:baryonNumber |
-1
|
| gptkbp:category |
Baryon
Antibaryon |
| gptkbp:composedOf |
one anti-down quark
two anti-up quarks |
| gptkbp:discoveredBy |
gptkb:Emilio_Segrè
gptkb:Owen_Chamberlain |
| gptkbp:discoveredIn |
1955
|
| https://www.w3.org/2000/01/rdf-schema#label |
Antiproton
|
| gptkbp:lifespan |
Stable (in vacuum)
|
| gptkbp:location |
gptkb:CERN
gptkb:Fermilab |
| gptkbp:mass |
1.67262192369×10⁻²⁷ kg
|
| gptkbp:range |
-1 elementary charge
|
| gptkbp:spin |
1/2
|
| gptkbp:symbol |
p̄
|
| gptkbp:uses |
Medical imaging
Antimatter research Particle physics experiments |
| gptkbp:bfsParent |
gptkb:Proton
gptkb:Particle |
| gptkbp:bfsLayer |
5
|