Statements (20)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
gptkb:antiquark
|
| gptkbp:antiparticle |
gptkb:up_quark
|
| gptkbp:baryonNumber |
-1/3
|
| gptkbp:color |
yes
|
| gptkbp:discoveredBy |
1977
|
| gptkbp:generation |
first
|
| https://www.w3.org/2000/01/rdf-schema#label |
Up antiquark
|
| gptkbp:isFundamental |
true
|
| gptkbp:leptonNumber |
0
|
| gptkbp:mass |
very small (approx. 2.2 MeV/c^2 for up quark)
|
| gptkbp:participatedIn |
gptkb:weak_interaction
electromagnetic interaction strong interaction |
| gptkbp:range |
-2/3 e
|
| gptkbp:spin |
1/2
|
| gptkbp:stable |
yes
|
| gptkbp:statistic |
Fermion
|
| gptkbp:symbol |
ū
|
| gptkbp:bfsParent |
gptkb:Antiquark
|
| gptkbp:bfsLayer |
5
|