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ELECTROWEAK CONTRIBUTIONS TO QUARK MASSES

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DOI: 10.1103/PhysRevLett.45.773
OAI: oai:inspirehep.net:9259
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INSPIRE-HEP
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Abstract

The divergences in lowest-order electroweak contributions to quark masses are discussed. The example model of U(1)em ⊗ SU(3)color is worked out. If the bare mass and color coupling constant are constrained to be independent of the electromagnetic coupling, as is natural, then the lowest-order electromagnetic shifts of the renormalized mass and strong coupling will be infinite. This is the expected result and is true even though we treat the strong interactions to all orders and thereby incorporate the relatively soft ultraviolet behavior of quantum chromodynamics.

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