Search for long-lived particles decaying to final states with a pair of muons in proton-proton collisions at √s = 13.6 TeV

(CMS Collaboration) Hayrapetyan, Aram ; ... ; Giljanović, Duje ; Godinović, Nikola ; Lelas, Damir ; Šćulac, Ana ; Kovač, Marko ; Šćulac, Toni ; Bargassa, Pedrame ; Brigljević, Vuko ; Chitroda, Bhakti Kanulal ; Ferenček, Dinko ; Jakovčić, Krešimir ; Mishra, Saswat ; Starodumov, Andrey ; Šuša, Tatjana ; ... ; Roguljić, Matej ; ... ; Zhokin, Alexander (2024) Search for long-lived particles decaying to final states with a pair of muons in proton-proton collisions at √s = 13.6 TeV. Journal of High Energy Physics, 05 . ISSN 1126-6708

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Abstract

An inclusive search for long-lived exotic particles (LLPs) decaying to final states with a pair of muons is presented. The search uses data corresponding to an integrated luminosity of 36.6 fb−1 collected by the CMS experiment from the proton-proton collisions at √s = 13.6 TeV in 2022, the first year of Run 3 of the CERN LHC. The experimental signature is a pair of oppositely charged muons originating from a secondary vertex spatially separated from the proton-proton interaction point by distances ranging from several hundred μm to several meters. The sensitivity of the search benefits from new triggers for displaced dimuons developed for Run 3. The results are interpreted in the framework of the hidden Abelian Higgs model, in which the Higgs boson decays to a pair of long-lived dark photons, and of an R-parity violating supersymmetry model, in which long-lived neutralinos decay to a pair of muons and a neutrino. The limits set on these models are the most stringent to date in wide regions of lifetimes for LLPs with masses larger than 10 GeV.

Item Type:	Article
Uncontrolled Keywords:	high energy physics ; experimental particle physics ; LHC ; CMS ; Beyond Standard Model ; Hadron-Hadron Scattering ; Lifetime ; p p: colliding beams ; muon: pair production ; p p: scattering ; p p: interaction ; Higgs particle: radiative decay ; Higgs model: abelian ; neutralino: leptonic decay ; vertex: primary ; particle: exotic ; neutral particle: long-lived ; CERN Lab ; dimuon ; photon: hidden sector ; CERN LHC Coll ; trigger ; supersymmetry: parameter space ; R parity: violation ; signature
Subjects:	NATURAL SCIENCES NATURAL SCIENCES > Physics NATURAL SCIENCES > Physics > Physics of Elementary Particles and Fields
Divisions:	Centre for detectors, sensors and electronics Division of Experimental Physics
Depositing User:	Martina Žugaj
Date Deposited:	08 Oct 2024 11:53
URI:	http://fulir.irb.hr/id/eprint/9139
DOI:	10.1007/JHEP05(2024)047

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