Search for a new Z′ gauge boson via the pp →W± (*) →z′μ±ν →μ±μμ±ν process in pp collisions at √s=13 TeV with the ATLAS detector

ATLAS Collaboration

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Abstract

A search for a new Z′ gauge boson predicted by Lµ-Lτ models, based on charged-current Drell-Yan production, pp→W±(∗)→Z′μ±ν→μ±μμ±ν, is presented. The data sample used corresponds to an integrated luminosity of 140 fb-1 of proton-proton collisions at √s = 13 TeV recorded by the ATLAS detector at the Large Hadron Collider. The search examines a final state of 3μ plus large missing transverse momentum. Upper limits are set on the Z′ production cross section times branching ratio in the mass range of 5-81 GeV. After combining with the previous Z′ search using the neutral-current Drell-Yan production with a 4μ final state, the most stringent exclusion limits to date are achieved in the parameter space of the Z′ coupling strength and mass.

Original languageEnglish
Article number072008
Pages (from-to)072008-1-072008-22
Number of pages22
JournalPhysical Review D
Volume110
Issue number7
DOIs
Publication statusPublished - 1 Oct 2024
Externally publishedYes

Bibliographical note

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