Abstract
We introduce a set of clockwork models of flavor that can naturally explain the large hierarchies of the Standard Model quark masses and mixing angles. Since the clockwork only contains chains of new vector-like fermions without any other dynamical fields, the flavor constraints allow for relatively light new physics scale. For two benchmarks with gear masses just above 1 TeV, allowed by flavor constraints, we discuss the collider searches and the possible ways of reconstructing gear spectra at the LHC. We also examine the similarities and differences with the other common solutions to the SM flavor puzzle, i.e., with the Froggatt-Nielsen models, where we identify a new clockworked version, and with the Randall-Sundrum models.
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Alonso, R., Carmona, A., Dillon, B.M. et al. A clockwork solution to the flavor puzzle. J. High Energ. Phys. 2018, 99 (2018). https://doi.org/10.1007/JHEP10(2018)099
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DOI: https://doi.org/10.1007/JHEP10(2018)099