2020-04-01
Top-quark partial compositeness beyond the effective field theory paradigm
Publication
Publication
The Journal of High Energy Physics , Volume 2020 - Issue 4
In theories of Partial Compositeness the top quark is a mixture of a composite and an elementary state, and as a consequence its interactions with gauge bosons are expected to deviate from those of a point-like object. At sufficiently large energies, such deviations cannot be parametrized by the leading effective field theory operators and form factors (i.e. energy dependent interactions) must be introduced. In this work, we argue that such effects might appear at relatively low energies with interesting phenomenological consequences. In analogy to the proton electromagnetic interactions, we devise a simplified phenomenological model that parametrizes the top-quark interactions with gluons in terms of two form factors. We study the implications of these interactions in top-quark and heavy top-partner pair production at a hadron collider.
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doi.org/10.1007/JHEP04(2020)040 | |
The Journal of High Energy Physics | |
Organisation | Ottawa-Carleton Institute for Physics |
Franzosi, D.B. (Diogo Buarque), & Tonero, A. (2020). Top-quark partial compositeness beyond the effective field theory paradigm. The Journal of High Energy Physics, 2020(4). doi:10.1007/JHEP04(2020)040
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