Assertion: baryon's quark | /r/HasProperty | q = −1 ⁄ 3
Facets:
Source sentences:
text: The c quark as a charge of (Q = +2 ⁄ 3 ), therefore the other two must be a u quark (Q = +2 ⁄ 3 ), and a d quark (Q = −1 ⁄ 3 ) to have the correct total charge (Q = +1).