Flavor constraints for a vector-like quark of Nelson-Barr type
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DOI: 10.1007/jhep11(2021)093
Abstract: Abstract The Nelson-Barr (NB) mechanism to solve the strong CP problem assumes CP conservation, arranges vanishing $$ \overline{\theta} $$ θ ¯ at tree-level and requires vector-like quarks (VLQs) to transmit the CP breaking to the… read more here.
Keywords: nelson barr; flavor constraints; vector like; type ... See more keywords