Search for long-lived particles decaying to jets with displaced vertices in proton-proton collisions at root s=13 Te V

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The CMS Collaboration , Sirunyan , A M , Tumasyan , A , Eerola , P , Forthomme , L , Kirschenmann , H , Österberg , K , Voutilainen , M , Brücken , E , Garcia , F , Havukainen , J , Heikkilä , J , Karimäki , V , Kim , M , Kinnunen , R , Lampén , T , Lassila-Perini , K , Laurila , S , Lehti , S , Lindén , T , Luukka , P , Pekkanen , J , Siikonen , H , Tuominen , E , Tuominiemi , J , Viinikainen , J & Tuuva , T 2021 , ' Search for long-lived particles decaying to jets with displaced vertices in proton-proton collisions at root s=13 Te V ' , Physical Review D , vol. 104 , no. 5 , 052011 . https://doi.org/10.1103/PhysRevD.104.052011

Title: Search for long-lived particles decaying to jets with displaced vertices in proton-proton collisions at root s=13 Te V
Author: The CMS collaboration; Sirunyan, A. M.; Tumasyan, A.; Eerola, P.; Forthomme, Laurent; Kirschenmann, H.; Österberg, K.; Voutilainen, M.; Brücken, Erik; Garcia, F.; Havukainen, J.; Heikkilä, Jaana; Karimäki, V.; Kim, Minsuk; Kinnunen, R.; Lampén, T.; Lassila-Perini, K.; Laurila, S.; Lehti, S.; Lindén, T.; Luukka, P.; Pekkanen, Juska; Siikonen, H.; Tuominen, E.; Tuominiemi, J.; Viinikainen, Jussi; Tuuva, T.
Contributor: University of Helsinki, Department of Physics
University of Helsinki, Department of Physics
University of Helsinki, Department of Physics
University of Helsinki, Department of Physics
University of Helsinki, Department of Physics
University of Helsinki, Helsinki Institute of Physics
University of Helsinki, Helsinki Institute of Physics
University of Helsinki, Helsinki Institute of Physics
University of Helsinki, Universität Zürich
University of Helsinki, Helsinki Institute of Physics
University of Helsinki, Helsinki Institute of Physics
University of Helsinki, Helsinki Institute of Physics
University of Helsinki, Helsinki Institute of Physics
University of Helsinki, Helsinki Institute of Physics
University of Helsinki, CERN, European Organization for Nuclear Research
University of Helsinki, Helsinki Institute of Physics
University of Helsinki, Helsinki Institute of Physics
University of Helsinki, Lappeenranta University of Technology
University of Helsinki, State University of New York at Buffalo
University of Helsinki, Helsinki Institute of Physics
University of Helsinki, Helsinki Institute of Physics
University of Helsinki, Helsinki Institute of Physics
University of Helsinki, University of Illinois at Chicago
Date: 2021-09-28
Language: eng
Number of pages: 29
Belongs to series: Physical Review D
ISSN: 2470-0010
URI: http://hdl.handle.net/10138/335441
Abstract: A search is presented for long-lived particles produced in pairs in proton-proton collisions at the LHC operating at a center-of-mass energy of 13 TeV. The data were collected with the CMS detector during the period from 2015 through 2018, and correspond to a total integrated luminosity of 140 fb(-1). This search targets pairs of long-lived particles with mean proper decay lengths between 0.1 and 100 mm, each of which decays into at least two quarks that hadronize to jets, resulting in a final state with two displaced vertices. No significant excess of events with two displaced vertices is observed. In the context of R-parity violating supersymmetry models, the pair production of long-lived neutralinos, gluinos, and top squarks is excluded at 95% confidence level for cross sections larger than 0.08 fb, masses between 800 and 3000 GeV, and mean proper decay lengths between 1 and 25 mm.
Subject: 114 Physical sciences
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