Assertion: baryon's quark | /r/HasProperty | massive
Facets:
value: very
type: DEGREE
Source sentences:
text: Since down quark is 2 times as massive as up quark, uud can not be that close to ddu even if there is a ratio involved (like in the dividing by c squared).
text: Because the top quark is so massive, its properties allowed indirect determination of the mass of the Higgs boson (see § Mass and coupling to the Higgs boson below).
text: Because top quarks are very massive, large amounts of energy are needed to create one.