Search for top squarks in final states with many light-flavor jets and 0, 1, or 2 charged leptons in proton-proton collisions at $$\sqrt{s}=13$$ TeV
- Yerevan Physics Institute
- Yerevan Physics Institute; Yerevan State University
- Institut für Hochenergiephysik
- Institut für Hochenergiephysik; TU Wien
- Universiteit Antwerpen
- Vrije Universiteit Brussel
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- Centro Brasileiro de Pesquisas Fisicas
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- Centro Brasileiro de Pesquisas Fisicas; FACAMP - Faculdades de Campinas
- Universidade do Estado do Rio de Janeiro
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- Universidade do Estado do Rio de Janeiro; Federal University of Rio Grande do Sul
- Universidade Estadual Paulista, Universidade Federal do ABC; Federal University of Rio Grande do Sul
- Universidade Estadual Paulista, Universidade Federal do ABC
- Bulgarian Academy of Sciences
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- Instituto De Alta Investigación, Universidad de Tarapacá
- Beihang University
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- University of Science and Technology of China
- Nanjing Normal University; Henan Normal University
- Nanjing Normal University; University of Shanghai for Science and Technology
- Nanjing Normal University
- Nanjing Normal University; The University of Iowa
- Institute of Modern Physics and Key Laboratory of Nuclear Physics and Ion-beam Application (MOE) - Fudan University
- Zhejiang University
- Universidad de Los Andes
- Universidad de Antioquia
- University of Split, Faculty of Electrical Engineering, Mechanical Engineering and Naval Architecture
- University of Split, Faculty of Science
- Institute Rudjer Boskovic
- University of Cyprus
- Charles University
- Escuela Politecnica Nacional
- Universidad San Francisco de Quito
- Academy of Scientific Research and Technology of the Arab Republic of Egypt, Egyptian Network of High Energy Physics; Helwan University; Zewail City of Science and Technology
- Academy of Scientific Research and Technology of the Arab Republic of Egypt, Egyptian Network of High Energy Physics; British University in Egypt
- Academy of Scientific Research and Technology of the Arab Republic of Egypt, Egyptian Network of High Energy Physics; Cairo University
- Fayoum University
- National Institute of Chemical Physics and Biophysics
- University of Helsinki
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- Lappeenranta-Lahti University of Technology
- IRFU, CEA, Université Paris-Saclay
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- Laboratoire Leprince-Ringuet, CNRS/IN2P3, Ecole PolytechniqueInstitut Polytechnique de Paris
- Université de Strasbourg, CNRS, IPHC UMR 7178; Université de Haute Alsace
- Université de Strasbourg, CNRS, IPHC UMR 7178
- Centre de Calcul de l’Institut National de Physique Nucleaire et de Physique des Particules, CNRS/IN2P3
- Institut de Physique des 2 Infinis de Lyon (IP2I)
- Institut de Physique des 2 Infinis de Lyon (IP2I); Istinye University
- Georgian Technical University
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- RWTH Aachen University, I. Physikalisches Institut
- RWTH Aachen University, III. Physikalisches Institut A
- RWTH Aachen University, III. Physikalisches Institut A; The University of the State of Amazonas
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- Deutsches Elektronen-Synchrotron
- Deutsches Elektronen-Synchrotron; University of Hamburg
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- University of Hamburg
- Karlsruher Institut fuer Technologie
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- Institute of Nuclear and Particle Physics (INPP), NCSR Demokritos
- Institute of Nuclear and Particle Physics (INPP), NCSR Demokritos; CERN, European Organization for Nuclear Research
- National and Kapodistrian University of Athens
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- University of Ioánnina
- HUN-REN Wigner Research Centre for Physics
- HUN-REN Wigner Research Centre for Physics; HUN-REN ATOMKI - Institute of Nuclear Research; Universitatea Babes-Bolyai - Facultatea de Fizica
- HUN-REN Wigner Research Centre for Physics; Eötvös Loránd University
- Eötvös Loránd University
- Eötvös Loránd University; Assiut University
- University of Debrecen
- HUN-REN ATOMKI - Institute of Nuclear Research
- HUN-REN Wigner Research Centre for Physics; Karoly Robert Campus, MATE Institute of Technology
- Karoly Robert Campus, MATE Institute of Technology
- Panjab University
- Panjab University; Punjab Agricultural University
- University of Delhi
- Saha Institute of Nuclear Physics, HBNI
- Saha Institute of Nuclear Physics, HBNI; University of Visva-Bharati
- Indian Institute of Technology Madras
- Indian Institute of Technology Madras; Indian Institute of Science (IISc)
- Indian Institute of Technology Madras; Amity University Uttar Pradesh
- Tata Institute of Fundamental Research-A
- Tata Institute of Fundamental Research-B
- National Institute of Science Education and Research, An OCC of Homi Bhabha National Institute; IIT Bhubaneswar
- National Institute of Science Education and Research, An OCC of Homi Bhabha National Institute
- National Institute of Science Education and Research, An OCC of Homi Bhabha National Institute; Institute of Physics
- Indian Institute of Science Education and Research (IISER); University of Hyderabad
- Indian Institute of Science Education and Research (IISER)
- Deutsches Elektronen-Synchrotron; Isfahan University of Technology
- Isfahan University of Technology
- Isfahan University of Technology; Sharif University of Technology
- Institute for Research in Fundamental Sciences (IPM)
- Institute for Research in Fundamental Sciences (IPM); University of Science and Technology of Mazandaran
- Institute for Research in Fundamental Sciences (IPM); Arak University
- University College Dublin
- INFN Sezione di Bari; Università di Bari
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- INFN Sezione di Bari; Università di Bari; Helwan University
- INFN Sezione di Bari
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- INFN Sezione di Bologna; Italian National Agency for New Technologies, Energy and Sustainable Economic Development
- INFN Sezione di Catania; Università di Catania; Centro Siciliano di Fisica Nucleare e di Struttura Della Materia
- INFN Sezione di Catania
- INFN Sezione di Catania; Università di Catania
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- INFN Sezione di Firenze; Università di Firenze
- INFN Laboratori Nazionali di Frascati
- INFN Laboratori Nazionali di Frascati; Università degli Studi Guglielmo Marconi
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- INFN Sezione di Napoli
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- INFN Sezione di Napoli; Università della Basilicata
- INFN Sezione di Napoli; Università di Napoli ’Federico II’; Università di Napoli ’Federico II’
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- INFN Sezione di Padova
- INFN Sezione di Padova; Fermi National Accelerator Laboratory
- INFN Sezione di Padova; Università di Padova
- INFN Sezione di Padova; Lulea University of Technology
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- INFN Sezione di Pavia; Università di Pavia
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- INFN Sezione di Perugia
- INFN Sezione di Perugia; Consiglio Nazionale delle Ricerche - Istituto Officina dei Materiali
- INFN Sezione di Pisa
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- INFN Sezione di Pisa; Università di Siena
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- INFN Sezione di Roma; Sapienza Università di Roma
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- INFN Sezione di Torino; Università del Piemonte Orientale
- INFN Sezione di Torino
- INFN Sezione di Trieste; Università di Trieste
- INFN Sezione di Trieste
- Kyungpook National University
- Department of Mathematics and Physics - GWNU
- Chonnam National University, Institute for Universe and Elementary Particles
- Hanyang University
- Institut de Physique des 2 Infinis de Lyon (IP2I); Hanyang University
- Korea University
- Kyung Hee University, Department of Physics
- Sejong University
- Seoul National University
- University of Seoul
- Yonsei University, Department of Physics
- Sungkyunkwan University
- American University of the Middle East (AUM)
- Kuwait University - College of Science - Department of Physics
- Riga Technical University
- University of Latvia (LU)
- Vilnius University
- Universiti Malaya; Universiti Kebangsaan Malaysia
- Universiti Malaya
- Universidad de Sonora (UNISON)
- Centro de Investigacion y de Estudios Avanzados del IPN
- Centro de Investigacion y de Estudios Avanzados del IPN; Consejo Nacional de Ciencia y Tecnología
- Universidad Iberoamericana
- Benemerita Universidad Autonoma de Puebla
- University of Montenegro
- University of Canterbury
- Quaid-I-Azam University
- AGH University of Krakow
- National Centre for Nuclear Research
- University of Warsaw
- Warsaw University of Technology
- Laboratório de Instrumentação e Física Experimental de Partículas
- University of Belgrade
- Centro de Investigaciones Energéticas Medioambientales y Tecnológicas (CIEMAT)
- Universidad Autónoma de Madrid
- Universidad de Oviedo, Instituto Universitario de Ciencias y Tecnologías Espaciales de Asturias (ICTEA)
- Instituto de Física de Cantabria (IFCA), CSIC-Universidad de Cantabria
- University of Colombo; Trincomalee Campus, Eastern University, Sri Lanka
- University of Colombo
- University of Ruhuna, Department of Physics; Saegis Campus
- University of Ruhuna, Department of Physics
- CERN, European Organization for Nuclear Research
- CERN, European Organization for Nuclear Research; Brandenburg University of Technology
- National and Kapodistrian University of Athens; CERN, European Organization for Nuclear Research
- CERN, European Organization for Nuclear Research; Ecole Polytechnique Fédérale Lausanne
- PSI Center for Neutron and Muon Sciences; Universität Zürich
- PSI Center for Neutron and Muon Sciences
- ETH Zurich - Institute for Particle Physics and Astrophysics (IPA)
- ETH Zurich - Institute for Particle Physics and Astrophysics (IPA); Ecole Polytechnique Fédérale Lausanne
- Universität Zürich; Stefan Meyer Institute for Subatomic Physics
- Universität Zürich
- National Central University; Laboratoire d’Annecy-le-Vieux de Physique des Particules, IN2P3-CNRS
- National Central University
- National Central University; Indian Institute of Science (IISc)
- National Taiwan University (NTU)
- Chulalongkorn University
- Tunis El Manar University
- Çukurova University, Physics Department, Science and Art Faculty
- Çukurova University, Physics Department, Science and Art Faculty; Near East University, Research Center of Experimental Health Science
- Çukurova University, Physics Department, Science and Art Faculty; Konya Technical University
- Çukurova University, Physics Department, Science and Art Faculty; Izmir Bakircay University
- Çukurova University, Physics Department, Science and Art Faculty; Adiyaman University
- Middle East Technical University, Physics Department; Bozok Universitetesi Rektörlügü
- Bogazici University
- Bogazici University; Marmara University
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- Bogazici University; Kafkas University
- Istanbul Technical University
- Istanbul Technical University; Near East University, Research Center of Experimental Health Science; Istanbul Okan University
- Istanbul Technical University; Hacettepe University
- Istanbul University; Erzincan Binali Yildirim University
- Istanbul University
- Istanbul University; Istanbul University - Cerrahpasa, Faculty of Engineering
- Yildiz Technical University
- Institute for Scintillation Materials of National Academy of Science of Ukraine
- National Science Centre, Kharkiv Institute of Physics and Technology
- University of Bristol
- Rutherford Appleton Laboratory
- Rutherford Appleton Laboratory; University of Southampton
- Imperial College
- Imperial College; IPPP Durham University
- Imperial College; Monash University, Faculty of Science
- CERN, European Organization for Nuclear Research; Imperial College
- Brunel University
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- Fermi National Accelerator Laboratory
- California Institute of Technology; Fermi National Accelerator Laboratory
- Fermi National Accelerator Laboratory; United States Naval Academy
- University of Florida
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- Florida Institute of Technology; Ain Shams University
- University of Illinois Chicago
- The University of Iowa
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- Georgian Technical University; The University of Iowa
- The University of Iowa; Sinop University
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- The University of Kansas; Horia Hulubei National Institute of Physics and Nuclear Engineering (IFIN-HH)
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- Texas A&M University; Ecole Polytechnique Fédérale Lausanne
- Texas A&M University; Texas A&M University at Qatar
- Kyungpook National University; Texas A&M University
- Texas Tech University
- Vanderbilt University
- University of Virginia
- Wayne State University
- University of Wisconsin - Madison
- Yerevan Physics Institute; Imperial College
- Institute of Nuclear Physics of the Uzbekistan Academy of Sciences
Several new physics models including versions of supersymmetry (SUSY) characterized by R-parity violation (RPV) or with additional hidden sectors predict the production of events with top quarks, low missing transverse momentum, and many additional quarks or gluons. The results of a search for top squarks decaying to two top quarks and six additional light-flavor quarks or gluons are reported. The search employs a novel machine learning method for background estimation from control samples in data using decorrelated discriminators. The search is performed using events with 0, 1, or 2 electrons or muons in conjunction with at least six jets. No requirement is placed on the magnitude of the missing transverse momentum. The result is based on a sample of proton-proton collisions at $$\sqrt{s}=13$$ TeV corresponding to 138 fb−1 of integrated luminosity collected with the CMS detector at the LHC in 2016–2018. With no statistically significant excess of events observed beyond the expected contributions from the standard model, the data are used to determine upper limits on the top squark pair production cross section in the frameworks of RPV and stealth SUSY. Models with top squark masses less than 700 (930) GeV are excluded at 95% confidence level for RPV (stealth) SUSY scenarios.
- Research Organization:
- Boston University, MA (United States); Fermi National Accelerator Laboratory (FNAL), Batavia, IL (United States); Texas Tech Univ., Lubbock, TX (United States); Univ. of Colorado, Boulder, CO (United States)
- Sponsoring Organization:
- USDOE Office of Science (SC), High Energy Physics (HEP)
- Contributing Organization:
- CMS Collaboration; The CMS collaboration
- Grant/Contract Number:
- 89243024CSC000002; SC0010005; SC0015592; SC0016021
- OSTI ID:
- 3006593
- Report Number(s):
- CERN-EP--2025-017; CMS-SUS--23-001; FERMILAB-PUB--25-0399-CMS
- Journal Information:
- Journal of High Energy Physics, Journal Name: Journal of High Energy Physics Journal Issue: 10 Vol. 2025; ISSN 1029-8479
- Publisher:
- Springer Science and Business Media LLCCopyright Statement
- Country of Publication:
- United States
- Language:
- English
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