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Down quark
URI:
https://gptkb.org/entity/Down_quark
GPTKB entity
Statements (23)
Predicate
Object
gptkbp:instanceOf
gptkb:Dragon
gptkb:Fermion
gptkb:Particle
gptkbp:antiparticle
Anti-down quark
gptkbp:color
Yes
gptkbp:communicatesVia
gptkb:Electromagnetic_interaction
gptkb:Gravitational_interaction
gptkb:Strong_interaction
gptkb:Weak_interaction
gptkbp:discoveredBy
gptkb:SLAC_National_Accelerator_Laboratory
gptkbp:discoveredIn
1968
gptkbp:generation
First generation
gptkbp:isFundamental
Yes
gptkbp:mass
~4.7 MeV/c^2
gptkbp:partOf
gptkb:Neutron
gptkb:Proton
gptkbp:range
-1/3 e
gptkbp:spin
1/2
gptkbp:standardModelParticle
Yes
gptkbp:symbol
d
gptkbp:bfsParent
gptkb:Quarks
gptkbp:bfsLayer
7
https://www.w3.org/2000/01/rdf-schema#label
Down quark