Statements (27)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
gptkb:Dragon
Fermion Particle |
| gptkbp:antiparticle |
gptkb:anti-down_quark
|
| gptkbp:color_charge |
yes
|
| gptkbp:component |
gptkb:proton
neutron |
| gptkbp:discoveredBy |
gptkb:Murray_Gell-Mann
gptkb:George_Zweig |
| gptkbp:discoveredIn |
1964
|
| gptkbp:flavor |
down
|
| gptkbp:generation |
first
|
| https://www.w3.org/2000/01/rdf-schema#label |
down quark
|
| gptkbp:is_a_constituent_of |
gptkb:baryons
gptkb:hadrons gptkb:mesons |
| gptkbp:mass |
~4.7 MeV/c^2
|
| gptkbp:participatedIn |
gptkb:weak_interaction
electromagnetic interaction strong interaction gravitational interaction |
| gptkbp:range |
-1/3 e
|
| gptkbp:spin |
1/2
|
| gptkbp:symbol |
d
|
| gptkbp:symbol_in_Feynman_diagrams |
d
|
| gptkbp:bfsParent |
gptkb:Dragon
|
| gptkbp:bfsLayer |
4
|