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Search for long-lived particles using delayed photons in proton-proton collisions at s =13 TeV

  • CMS Collaboration
  • Yerevan Physics Institute
  • Institut für Hochenergiephysik
  • Vienna University of Technology
  • Institute for Nuclear Problems of Belarusian State University
  • University of Antwerp
  • Vrjie Universiteit Brussel
  • Université Paris-Saclay
  • c/o DESY
  • INFN Sezione di Torino
  • University of Turin
  • Université Libre de Bruxelles
  • Ghent University
  • University of Louvain
  • Centro Brasileiro de Pesquisas Fisicas
  • Rua São Francisco de Xavier
  • University of Campinas (UNICAMP)
  • Universidade Federal do Rio Grande do Sul
  • Fundação Universidad Federal de Mato Grosso do Sul
  • Universidade Federal de Pelotas
  • São Paulo State University
  • Federal University of ABC (UFABC)
  • Institute for Nuclear Research and Nuclear Energy Bulgarian Academy of Sciences
  • University of Sofia
  • Beihang University
  • Institute of High Energy Physics, Chinese Academy of Sciences
  • University of Chinese Academy of Sciences
  • State Key Laboratory of Nuclear Physics and Technology
  • University of Kansas
  • Tsinghua University
  • Quaid-i-Azam University
  • University of Virginia
  • Zhejiang University
  • Universidad de Los Andes, Colombia
  • Universidad de Antioquia
  • Faculty of Electrical Engineering, Mechanical Engineering and Naval Architecture, University of Split
  • Faculty of Science, University of Split
  • Ruđer Bošković Institute
  • Institute for Theoretical and Experimental Physics
  • University of Cyprus
  • Charles University
  • Joint Institute for Nuclear Research, Dubna
  • Escuela Politecnica Nacional
  • Universidad San Francisco de Quito
  • Egyptian Network of High Energy Physics
  • British University in Egypt
  • Suez University
  • National Institute of Chemical Physics and Biophysics, Tallinn
  • University of Helsinki
  • Helsinki Institute of Physics
  • LUT University
  • Purdue University
  • Université de Strasbourg
  • Université de Haute Alsace
  • Université Paris-Sud
  • IGFL, Université de Lyon, Université Lyon 1
  • Georgian Technical University
  • Tbilisi State University
  • RWTH Aachen University
  • Saha Institute of Nuclear Physics
  • Indian Institute of Technology Madras
  • European Organization for Nuclear Research
  • Erzincan University
  • Universität Hamburg
  • Joint Faculty of the Brandenburg University of Technology Cottbus Senftenberg
  • Institute of Meteorology and Climate Research
  • NCSR Demokritos
  • University of Athens
  • National Technical University of Athens
  • University of Ioannina
  • Eötvös Loránd University
  • University of Debrecen
  • Wigner Research Centre for Physics
  • Institute of Nuclear Research ATOMKI
  • Eszterhazy Karoly University
  • Indian Institute of Science
  • National Institute of Science Education and Research
  • IIT Bhubaneswar
  • Institute of Physics Bhubaneswar
  • Panjab University
  • University of Nebraska-Lincoln
  • Indian Institute of Science Education and Research (IISER)
  • University of Delhi
  • Shoolini University
  • Tata Institute of Fundamental Research, Mumbai
  • Northwestern University
  • University of Visva-Bharati
  • Bhabha Atomic Research Centre
  • Fermi National Accelerator Laboratory
  • Institute for Research in Fundamental Sciences (IPM)
  • Isfahan University of Technology
  • University College Dublin
  • INFN Sezione di Bari
  • Università degli studi di Bari Aldo Moro
  • Politecnico di Bari
  • INFN Sezione di Bologna
  • University of Bologna
  • ENEA Climate Modeling and Impacts
  • INFN Sezione di Catania
  • Università degli Studi di Catania
  • CSFNSM
  • Istituto Nazionale di Fisica Nucleare, Sezione di Firenze
  • University of Florence
  • LNF-INFN
  • Sezione di Genova
  • University of Genoa
  • INFN Sezione di Milano-Bicocca
  • University of Milano-Bicocca
  • INFN Sezione di Napoli
  • Università degli Studi della Basilicata
  • University of Naples Federico II
  • Università G. Marconi
  • INFN
  • University of Padova
  • INFN Sezione di Pavia
  • University of Pavia
  • INFN Sezione di Perugia
  • University of Perugia
  • Istituto Nazionale di Fisica Nucleare, Sezione di Pisa
  • Scuola Normale Superiore di Pisa
  • University of Pisa
  • Sezione di Roma
  • University of Rome
  • Laboratory of Molecular Pathology
  • INFN Sezione di Trieste
  • University of Trieste
  • Kyungpook National University
  • Sungkyunkwan University
  • Women and Infants Hospital of Rhode Island-Warren Alpert Medical School of Brown University
  • Texas Tech University
  • Chonnam National University
  • University of Seoul
  • Hanyang University
  • Korea University
  • Seoul National University
  • Kyung Hee University
  • Sejong University
  • Riga Technical University
  • Vilnius University
  • University Malaya
  • MOSTI
  • Universidad de Sonora
  • CINVESTAV-IPN
  • Consejo Nacional de Ciencia y Tecnología
  • Universidad Iberoamericana
  • Benemerita Universidad Autonoma de Puebla
  • Universidad Autónoma de San Luis Potosi
  • University of Montenegro
  • University of Auckland
  • University of Canterbury
  • Agh University of Science and Technology Faculty of Computer Science
  • National Centre for Nuclear Research
  • University of Warsaw
  • Warsaw University of Technology
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  • Institute for Nuclear Research of the Russian Academy of Sciences
  • National Research Nuclear University MEPhI
  • Petersburg Nuclear Physics Institute (PNPI)
  • St. Petersburg State Polytechnical University
  • University of Florida
  • Imperial College London
  • Moscow Institute of Physics and Technology
  • P.N. Lebedev Physical Institute of the Russian Academy of Sciences
  • Moscow State University
  • CCLRC Rutherford Appleton Laboratory
  • University of Southampton
  • California Institute of Technology
  • Novosibirsk State University
  • Budker Institute of Nuclear Physics of the Siberian Branch of the RAS
  • Kurchatov Institute
  • National Research Tomsk Polytechnic University
  • Tomsk State University
  • University of Belgrade
  • University of Belgrade
  • Centro de Investigaciones Energéticas Medioambientales y Tecnológicas (CIEMAT)
  • Universidad Autónoma de Madrid
  • University of Oviedo
  • CSIC-Univ. Cantabria
  • University of Siena
  • University of Colombo
  • University of Ruhuna
  • Paul Scherrer Institut
  • University of Zurich
  • ETH Zurich
  • Stefan Meyer Institute for Subatomic Physics (SMI)
  • National Central University
  • National Taiwan University
  • University of California, San Diego
  • Chulalongkorn University
  • Cukurova University
  • Burdur Mehmet Akif Ersoy University
  • Adiyaman University
  • Şırnak University
  • Beykent University
  • Istanbul Aydin University
  • Mersin University
  • Piri Reis University
  • Gaziosmanpasa University
  • Middle East Technical University (METU)
  • Ozyegin University
  • Izmir Institute of Technology
  • Bogazici University
  • Marmara University
  • Kafkas University
  • Istanbul Bilgi University
  • Istanbul Technical University
  • Hacettepe University
  • Istanbul University
  • Academy of Science of Ukraine
  • Kharkov Institute of Physics and Technology
  • University of Bristol
  • IPPP Durham University
  • University of Puerto Rico
  • Monash University
  • Brunel University London
  • Baylor University
  • Catholic University of America
  • University of Alabama
  • Boston University
  • Bethel University
  • Karamanoğlu Mehmetbey University
  • University of California, Davis
  • Princeton University
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  • University of Wisconsin-Madison
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  • University of Maryland, College Park
  • University of Minnesota Twin Cities
  • University of Mississippi
  • University at Buffalo, The State University of New York
  • Northeastern University
  • University of Notre Dame
  • Rice University
  • The Ohio State University
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  • University of Rochester
  • Rutgers University–New Brunswick
  • University of Tennessee
  • Texas A&M University
  • Texas A&M University at Qatar
  • Vanderbilt University
  • Wayne State University
  • University of Hyderabad

Research output: Contribution to journalArticlepeer-review

49 Citations (Scopus)

Abstract

A search for long-lived particles decaying to photons and weakly interacting particles, using proton-proton collision data at s=13 TeV collected by the CMS experiment in 2016-2017 is presented. The data set corresponds to an integrated luminosity of 77.4 fb-1. Results are interpreted in the context of supersymmetry with gauge-mediated supersymmetry breaking, where the neutralino is long-lived and decays to a photon and a gravitino. Limits are presented as a function of the neutralino proper decay length and mass. For neutralino proper decay lengths of 0.1, 1, 10, and 100 m, masses up to 320, 525, 360, and 215 GeV are excluded at 95% confidence level, respectively. We extend the previous best limits in the neutralino proper decay length by up to one order of magnitude, and in the neutralino mass by up to 100 GeV.

Original languageEnglish
Article number112003
JournalPhysical Review D
Volume100
Issue number11
DOIs
Publication statusPublished - 9 Dec 2019
Externally publishedYes

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