Review of searches for vector-like quarks, vector-like leptons, and heavy neutral leptons in proton–proton collisions at √s = 13 TeV at the CMS experiment

Boos, E.; Bunichev, V.; Dubinin, M.; Dudko, L.; Gribushin, A.; Klyukhin, V.; Kodolova, O.; Obraztsov, S.; Perfilov, M.; Petrushanko, S.V.; Savrin, V.; Vorotnikov, G.A.; CMS, C.

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Дата последнего поиска статьи во внешних источниках: 8 октября 2025 г.

Авторы: Boos E., Bunichev V., Dubinin M., Dudko L., Gribushin A., Klyukhin V., Kodolova O., Obraztsov S., Perfilov M., Petrushanko S.V., Savrin V., Vorotnikov G.A., CMS Collaboration
Журнал: Physics Reports
Том: 1115
Год издания: 2025
Издательство: Elsevier BV
Местоположение издательства: Netherlands
Первая страница: 570
Последняя страница: 677
DOI: 10.1016/j.physrep.2024.09.012
Аннотация: The LHC has provided an unprecedented amount of proton–proton collision data, bringing forth exciting opportunities to address fundamental open questions in particle physics. These questions can potentially be answered by performing searches for very rare processes predicted by models that attempt to extend the standard model of particle physics. The data collected by the CMS experiment in 2015–2018 at a center-of-mass energy of 13 TeV can be used to test the standard model with high precision and potentially uncover evidence for new particles or interactions. An interesting possibility is the existence of new fermions with masses ranging from the MeV to the TeV scale. Such new particles appear in many possible extensions of the standard model and are well motivated theoretically. New fermions may explain the appearance of three generations of leptons and quarks, the mass hierarchy across these generations, and the nonzero neutrino masses. In this report, the results of searches targeting vector-like quarks, vector-like leptons, and heavy neutral leptons at the CMS experiment are summarized. The complementarity of current searches for each type of new fermion is discussed, and combinations of several searches for vector-like quarks are presented. The discovery potential for some of these searches at the High-Luminosity LHC is also discussed.
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Review of searches for vector-like quarks, vector-like leptons, and heavy neutral leptons in proton–proton collisions at √s = 13 TeV at the CMS experimentстатья Исследовательская статья

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