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

(CMS Collaboration) Hayrapetyan, Aram; Bargassa, Pedrame; Brigljević, Vuko; Chitroda, Bhakti Kanulal; Ferenček, Dinko; Jakovčić, Krešimir; Starodumov, Andrey; Šuša, Tatjana; Makarenko, Vladimir (2025) Search for heavy neutral resonances decaying to tau lepton pairs in proton-proton collisions at √s=13 TeV. Physical Review D, 111 (11). ISSN 2470-0029

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Abstract

A search for heavy neutral gauge bosons (Z ') decaying into a pair of tau leptons is performed in proton-proton collisions at root 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 the expectation 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.

Item Type:	Article
Uncontrolled Keywords:	Hypothetical gauge bosons; Tau leptons; Hadron colliders
Subjects:	NATURAL SCIENCES > Physics > Physics of Elementary Particles and Fields
Divisions:	Centre for detectors, sensors and electronics Division of Experimental Physics
Depositing User:	Josipa Karadžole
Date Deposited:	27 Jan 2026 08:53
URI:	http://fulir.irb.hr/id/eprint/11156
DOI:	10.1103/PhysRevD.111.112004

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