Brasil
| Artículos de revistas
Search for top squarks in final states with two top quarks and several light-flavor jets in proton-proton collisions at s =13 TeV
Fecha
2021-08-01Registro en:
Physical Review D, v. 104, n. 3, 2021.
2470-0029
2470-0010
10.1103/PhysRevD.104.032006
2-s2.0-85114374184
Autor
Yerevan Physics Institute
Institut für Hochenergiephysik
Institute for Nuclear Problems
Universiteit Antwerpen
Vrije Universiteit Brussel
Université Libre de Bruxelles
Ghent University
Université Catholique de Louvain
Centro Brasileiro de Pesquisas Fisicas
Universidade do Estado do Rio de Janeiro (UERJ)
Universidade Estadual Paulista (UNESP)
Universidade Federal do ABC (UFABC)
Bulgarian Academy of Sciences
University of Sofia
Beihang University
Tsinghua University
Institute of High Energy Physics
Peking University
Sun Yat-Sen University
Fudan University
Zhejiang University
Universidad de Los Andes
Universidad de Antioquia
Mechanical Engineering and Naval Architecture
Faculty of Science
Institute Rudjer Boskovic
University of Cyprus
Charles University
Escuela Politecnica Nacional
Universidad San Francisco de Quito
Egyptian Network of High Energy Physics
Fayoum University
National Institute of Chemical Physics and Biophysics
University of Helsinki
Helsinki Institute of Physics
Lappeenranta University of Technology
Université Paris-Saclay
Institut Polytechnique de Paris
IPHC UMR 7178
Institut de Physique des 2 Infinis de Lyon (IP2I)
Georgian Technical University
I. Physikalisches Institut
III. Physikalisches Institut A
III. Physikalisches Institut B
Deutsches Elektronen-Synchrotron
University of Hamburg
Karlsruher Institut fuer Technologie
NCSR Demokritos
National and Kapodistrian University of Athens
National Technical University of Athens
University of Ioánnina
Eötvös Loránd University
Wigner Research Centre for Physics
Institute of Nuclear Research ATOMKI
University of Debrecen
Karoly Robert Campus
Indian Institute of Science (IISc)
HBNI
Panjab University
University of Delhi
Indian Institute of Technology Madras
Bhabha Atomic Research Centre
Tata Institute of Fundamental Research-A
Tata Institute of Fundamental Research-B
Indian Institute of Science Education and Research (IISER)
Isfahan University of Technology
Institute for Research in Fundamental Sciences (IPM)
University College Dublin
INFN Sezione di Bari
Università di Bari
Politecnico di Bari
INFN Sezione di Bologna
Università di Bologna
INFN Sezione di Catania
Università di Catania
INFN Sezione di Firenze
Università di Firenze
INFN Laboratori Nazionali di Frascati
INFN Sezione di Genova
Università di Genova
INFN Sezione di Milano-Bicocca
Università di Milano-Bicocca
INFN Sezione di Napoli
Università di Napoli Federico II
Università della Basilicata
Università G. Marconi
INFN Sezione di Padova
Università di Padova
Università di Trento
INFN Sezione di Pavia
Università di Pavia
INFN Sezione di Perugia
Università di Perugia
INFN Sezione di Pisa
Università di Pisa
Scuola Normale Superiore di Pisa
Università di Siena
INFN Sezione di Roma
Sapienza Università di Roma
INFN Sezione di Torino
Università di Torino
Università Del Piemonte Orientale
INFN Sezione di Trieste
Università di Trieste
Kyungpook National University
Institute for Universe and Elementary Particles
Hanyang University
Korea University
Kyung Hee University
Sejong University
Seoul National University
University of Seoul
Yonsei University
Sungkyunkwan University
American University of the Middle East (AUM)
Riga Technical University
Vilnius University
Universiti Malaya
Universidad de Sonora (UNISON)
Centro de Investigacion y de Estudios Avanzados Del IPN
Universidad Iberoamericana
Benemerita Universidad Autonoma de Puebla
University of Montenegro
University of Auckland
University of Canterbury
Quaid-I-Azam University
Electronics and Telecommunications
National Centre for Nuclear Research
University of Warsaw
Laboratório de Instrumentação e Física Experimental de Partículas
Joint Institute for Nuclear Research
Petersburg Nuclear Physics Institute
Institute for Nuclear Research
NRC Kurchatov Institute
Moscow Institute of Physics and Technology
Moscow Engineering Physics Institute (MEPhI)
P.N. Lebedev Physical Institute
Lomonosov Moscow State University
Novosibirsk State University (NSU)
Kurchatov Institute
National Research Tomsk Polytechnic University
Tomsk State University
VINCA Institute of Nuclear Sciences
Centro de Investigaciones Energéticas Medioambientales y Tecnológicas (CIEMAT)
Universidad Autónoma de Madrid
Instituto Universitario de Ciencias y Tecnologías Espaciales de Asturias (ICTEA)
CSIC-Universidad de Cantabria
University of Colombo
University of Ruhuna
European Organization for Nuclear Research
Paul Scherrer Institut
ETH Zurich - Institute for Particle Physics and Astrophysics (IPA)
Universität Zürich
National Central University
National Taiwan University (NTU)
Science and Art Faculty
Physics Department
Bogazici University
Istanbul Technical University
Istanbul University
National Academy of Science of Ukraine
Kharkov Institute of Physics and Technology
University of Bristol
Rutherford Appleton Laboratory
Imperial College
Brunel University
Baylor University
Catholic University of America
The University of Alabama
Boston University
Brown University
Davis
University of California
Riverside
San Diego
Santa Barbara
California Institute of Technology
Carnegie Mellon University
University of Colorado Boulder
Cornell University
Fermi National Accelerator Laboratory
University of Florida
Florida State University
Florida Institute of Technology
University of Illinois at Chicago (UIC)
The University of Iowa
Johns Hopkins University
The University of Kansas
Kansas State University
Lawrence Livermore National Laboratory
University of Maryland
Massachusetts Institute of Technology
University of Minnesota
University of Mississippi
University of Nebraska-Lincoln
State University of New York at Buffalo
Northeastern University
Northwestern University
University of Notre Dame
The Ohio State University
Princeton University
University of Puerto Rico
Purdue University
Purdue University Northwest
Rice University
University of Rochester
the State University of New Jersey
University of Tennessee
Texas A&M University
Texas Tech University
Vanderbilt University
University of Virginia
Wayne State University
University of Wisconsin - Madison
Sinop University
Bingol University
Vienna University of Technology
Technology and Maritime Transport
Texas A&M University at Qatar
Universidade Estadual de Campinas (UNICAMP)
Federal University of Rio Grande Do sul
University of Chinese Academy of Sciences
Erciyes University
Universidade Federal de Mato Grosso do Sul (UFMS)
Istanbul
Nanjing Normal University
Karamanoǧlu Mehmetbey University
Bethel University
Ain Shams University
Zewail City of Science and Technology
British University in Egypt
IPPP Durham University
Université de Haute Alsace
Erzincan Binali Yildirim University
University of Southampton
Hacettepe University
Istanbul Bilgi University
Kafkas University
Brandenburg University of Technology
Milli Savunma University
Assiut University
Marmara University
Bozok Universitetesi Rektörlügü
Necmettin Erbakan University
Izmir Institute of Technology
Ozyegin University
IIT Bhubaneswar
Institute of Physics
G.H.G. Khalsa College
Shoolini University
University of Hyderabad
University of Visva-Bharati
Indian Institute of Technology (IIT)
Tarsus University
Sharif University of Technology
University of Science and Technology of Mazandaran
Energy and Sustainable Economic Development
Centro Siciliano di Fisica Nucleare e di Struttura della Materia
Adiyaman University
Piri Reis University
Consejo Nacional de Ciencia y Tecnología
Konya Technical University
Faculty of Engineering
Mersin University
St. Petersburg State Polytechnical University
Budker Institute of Nuclear Physics
Eastern University
Ecole Polytechnique Fédérale Lausanne
Stefan Meyer Institute for Subatomic Physics
IN2P3-CNRS
Gaziosmanpasa University
Şrnak University
Institución
Resumen
Many new physics models, including versions of supersymmetry characterized by R-parity violation (RPV), compressed mass spectra, long decay chains, or 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 new physics in events with two top quarks and additional jets are reported. The search is performed using events with at least seven jets and exactly one electron or muon. No requirement on missing transverse momentum is imposed. The study is based on a sample of proton-proton collisions at s=13TeV corresponding to 137 fb-1 of integrated luminosity collected with the CMS detector at the LHC in 2016-2018. The data are used to determine best fit values and upper limits on the cross section for pair production of top squarks in scenarios of RPV and stealth supersymmetry. Top squark masses up to 670 (870) GeV are excluded at 95% confidence level for the RPV (stealth) scenario, and the maximum observed local signal significance is 2.8 standard deviations for the RPV scenario with top squark mass of 400 GeV.