Assertion: mixed anomaly | /r/CapableOf | involve one u(1hypercharge constrains
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text: For example, the vanishing of the mixed anomaly involving two SU(2) generators and one U(1) hypercharge constrains all charges in a fermion generation to add up to zero, and thereby dictates that the sum of the proton plus the sum of the electron vanish: the charges of quarks and leptons must be commensurate.
text: For example, the vanishing of the mixed anomaly involving two SU(2) generators and one U(1) hypercharge constrains all charges in a fermion generation to add up to zero, and thereby dictates that the sum of the proton plus the sum of the electron vanish: the charges of quarks and leptons must be commensurate.