Vector-like quarks with non-renormalizable interactions

Criado, J. C.; Pérez-Victoria, Manuel

doi:10.1007/JHEP01(2020)057

Criado-Pérez-Victoria2020_Article_Vector-likeQuarksWithNon-renor.pdf (805.3Kb)

Identificadores

URI: http://hdl.handle.net/10481/60246

DOI: 10.1007/JHEP01(2020)057

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Editorial

Springer Nature

Materia

Beyond Standard Model

Effective Field Theories

Date

2020-01-10

Referencia bibliográfica

Criado, J. C., & Perez-Victoria, M. (2020). Vector-like quarks with non-renormalizable interactions. Journal of High Energy Physics, 2020(1), 1-44.

Sponsorship

Our work has been supported by the Spanish MINECO project FPA2016- 78220-C3-1-P (Fondos FEDER) and the Junta de Andalucía grant FQM101.

Abstract

We study the impact of the leading non-renormalizable terms in the effective eld theory that describes general extensions of the Standard Model with vector-like quarks that can decay into Standard Model particles. Dropping the usual assumption of renormalizability has several phenomenological consequences for the production and decay of the heavy quarks and also for Higgs physics. The most dramatic effects, including those associated with a long lifetime, occur for vector-like quarks with non-standard quantum numbers.

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