Assertion: baryon's quark | /r/HasAspect | baryon number of 1/3
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Source sentences:
text: an I3 of +1/2, we deduce a hypercharge of 1/3, due to its baryon number (since you need 3 quarks to make a baryon, a quark has baryon number of 1/3) ... a strange quark, with charge −1/3, a baryon number of 1/3 and strangeness of −1