Search for heavy neutral resonances decaying to tau lepton pairs in proton-proton collisions at √s = 13 TeV

Авторы: Boos E., Bunichev V., Dubinin M., Dudko L., Ershov A.A., Klyukhin V., Kodolova O., Markina A., Obraztsov S., Perfilov M., Savrin V., Vorotnikov G.A., CMS Collaboration
Журнал: Physical Review D
Том: 111
Год издания: 2025
Издательство: American Physical Society
Местоположение издательства: United States
Первая страница: 112004
DOI: 10.1103/PhysRevD.111.112004
Аннотация: A search for heavy neutral gauge bosons (Z') decaying into a pair of tau leptons is performed in proton-proton collisions at √s = 13 TeV at the CERN LHC. The data were collected with the CMS detector and correspond to an integrated luminosity of 138 fb−1. The observations are found to be in agreement with theexpectation from standard model processes. Limits at 95% confidence level are set on the product of the Z'production cross section and its branching fraction to tau lepton pairs for a range of Z' boson masses. For a narrow resonance in the sequential standard model scenario, a Z' boson with a mass below 3.5 TeV is excluded. This is the most stringent limit to date from this type of search.
Добавил в систему: Клюхин Вячеслав Иванович

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