A clockwork theory

By G. Giudice, Matthew McCullough. Journal of High Energy Physics, 2016

219 citations recorded by the source corpus.

The clockwork is a mechanism for generating light particles with exponentially suppressed interactions in theories which contain no small parameters at the fundamental level. We develop a general description of the clockwork mechanism valid for scalars, fermions, gauge bosons, and gravitons. This mechanism can be implemented with a discrete set of new fields or, in its continuum version, through an extra spatial dimension. In both cases the clockwork emerges as a useful tool for model-building applications. Notably, the continuum clockwork offers a solution to the Higgs naturalness problem, which turns out to be the same as in linear dilaton duals of Little String Theory. We also elucidate the similarities and differences of the continuum clockwork with large extra dimensions and warped spaces. All clockwork models, in the discrete and continuum, exhibit novel phenomenology with a distinctive spectrum of closely spaced resonances.

Subfields: Atomic and Molecular Physics, and Optics, Nuclear and High Energy Physics

View Paper: https://www.semanticscholar.org/paper/8b9db5146cee78036e0709cc7f82a6c9831be8e5

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Citations in the corpus

The photo-philic QCD axion (2016, background): “ld content is the minimal one described at the beginning of this section. The LHC limits are the same as in Fig.5. that in our discussion have been treated as free parameters. However, as observed in [10], the presence of the scale f can be connected with the inverse size of an extra-dimension with ”
Opportunities in Flavour Physics at the HL-LHC and HE-LHC (2018, background): “[1421], allows one to obtain large hierarchies in couplings or mass scales.”
From the Trees to the Forest: A Review of Radiative Neutrino Mass Models (2017, background): “ally suppressed Dirac masses. Int he same way, it is also useful to have low-scale seesaw [69]. This mechanism can be implemented with a discrete number of new ﬁelds or via an extra spatial dimension [70]. 2.2 Majorana neutrino schemes We now come to our main subject: radiative Majorana neutrino mas”
Recent Progress in the Physics of Axions and Axion-Like Particles (2020, background): “It turns out that the above clockwork mechanism can be generalized to the fields with nonzero spin to generate various parameter hierarchies in particle physics [29].”