Search for light Higgs bosons from supersymmetric cascade decays in pp collisions at s=13TeV

. 2023 ; 83 (7) : 571. [epub] 20230706

Status PubMed-not-MEDLINE Jazyk angličtina Země Francie Médium print-electronic

Typ dokumentu časopisecké články

Perzistentní odkaz   https://www.medvik.cz/link/pmid37432681

A search is reported for pairs of light Higgs bosons (H1) produced in supersymmetric cascade decays in final states with small missing transverse momentum. A data set of LHC pp collisions collected with the CMS detector at s=13TeV and corresponding to an integrated luminosity of 138fb-1 is used. The search targets events where both H1 bosons decay into pairs that are reconstructed as large-radius jets using substructure techniques. No evidence is found for an excess of events beyond the background expectations of the standard model (SM). Results from the search are interpreted in the next-to-minimal supersymmetric extension of the SM, where a "singlino" of small mass leads to squark and gluino cascade decays that can predominantly end in a highly Lorentz-boosted singlet-like H1 and a singlino-like neutralino of small transverse momentum. Upper limits are set on the product of the squark or gluino pair production cross section and the square of the branching fraction of the H1 in a benchmark model containing almost mass-degenerate gluinos and light-flavour squarks. Under the assumption of an SM-like branching fraction, H1 bosons with masses in the range 40-120GeV arising from the decays of squarks or gluinos with a mass of 1200-2500GeV are excluded at 95% confidence level.

Academy of Scientific Research and Technology of the Arab Republic of Egypt Egyptian Network of High Energy Physics Cairo Egypt

Adiyaman University Adiyaman Turkey

Ain Shams University Cairo Egypt

Baylor University Waco TX USA

Beihang University Beijing China

Benemerita Universidad Autonoma de Puebla Puebla Mexico

Bethel University St Paul MN USA

Bhabha Atomic Research Centre Mumbai India

Bingol University Bingol Turkey

Bogazici University Istanbul Turkey

Boston University Boston MA USA

Bozok Universitetesi Rektörlügü Yozgat Turkey

Brandenburg University of Technology Cottbus Germany

British University in Egypt Cairo Egypt

Brown University Providence RI USA

Brunel University Uxbridge UK

California Institute of Technology Pasadena CA USA

Carnegie Mellon University Pittsburgh PA USA

Catholic University of America Washington DC USA

Center for High Energy Physics Fayoum University El Fayoum Egypt

Centro Brasileiro de Pesquisas Fisicas Rio de Janeiro Brazil

Centro de Investigacion y de Estudios Avanzados del IPN Mexico City Mexico

Centro de Investigaciones Energéticas Medioambientales y Tecnológicas Madrid Spain

Centro Siciliano di Fisica Nucleare e di Struttura Della Materia Catania Italy

CERN European Organization for Nuclear Research Geneva Switzerland

Charles University Prague Czech Republic

Chonnam National University Institute for Universe and Elementary Particles Kwangju Korea

College of Engineering and Technology American University of the Middle East Dasman Kuwait

Consejo Nacional de Ciencia y Tecnología Mexico City Mexico

Consiglio Nazionale delle Ricerche Istituto Officina dei Materiali Perugia Italy

Cornell University Ithaca NY USA

Department of Physics Faculty of Science Chulalongkorn University Bangkok Thailand

Department of Physics Kyung Hee University Seoul Korea

Department of Physics Tsinghua University Beijing China

Department of Physics University of California Santa Barbara Santa Barbara CA USA

Department of Physics University of Helsinki Helsinki Finland

Department of Physics University of Ruhuna Matara Sri Lanka

Department of Physics University of Science and Technology of Mazandaran Behshahr Iran

Department of Physics Yonsei University Seoul Korea

Deutsches Elektronen Synchrotron Hamburg Germany

Ecole Polytechnique Fédérale Lausanne Lausanne Switzerland

Erciyes University Kayseri Turkey

Erzincan Binali Yildirim University Erzincan Turkey

Escuela Politecnica Nacional Quito Ecuador

ETH Zurich Institute for Particle Physics and Astrophysics Zurich Switzerland

Faculty of Computer Science Electronics and Telecommunications AGH University of Science and Technology Krakow Poland

Faculty of Electrical Engineering Mechanical Engineering and Naval Architecture University of Split Split Croatia

Faculty of Physics University of Belgrade Belgrade Serbia

Faculty of Science Monash University Clayton Australia

Faculty of Science University of Split Split Croatia

Federal University of Rio Grande do Sul Porto Alegre Brazil

Fermi National Accelerator Laboratory Batavia IL USA

Florida Institute of Technology Melbourne FL USA

Florida State University Tallahassee FL USA

Forschungszentrum Jülich Jülich Germany

Georgian Technical University Tbilisi Georgia

Ghent University Ghent Belgium

Hacettepe University Ankara Turkey

Hanyang University Seoul Korea

Helsinki Institute of Physics Helsinki Finland

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IIT Bhubaneswar Bhubaneswar India

Ilia State University Tbilisi Georgia

Imperial College London UK

Indian Institute of Science Bangalore India

Indian Institute of Science Education and Research Pune India

Indian Institute of Technology Madras Madras India

Indian Institute of Technology Mumbai India

INFN Laboratori Nazionali di Frascati Frascati Italy

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INFN Sezione di Milano Bicocca Università di Milano Bicocca Milan Italy

INFN Sezione di Napoli Università di Napoli 'Federico II' Naples Italy; Università della Basilicata Potenza Italy; Università G Marconi Rome Italy

INFN Sezione di Padova Università di Padova Padua Italy; Università di Trento Trento Italy

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INFN Sezione di Pisa Università di Pisa Scuola Normale Superiore di Pisa Pisa Italy; Università di Siena Siena Italy

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INFN Sezione di Torino Università di Torino Turin Italy Università del Piemonte Orientale Novara Italy

INFN Sezione di Torino Università di Torino Turin Italy; Università del Piemonte Orientale Novara Italy

INFN Sezione di Trieste Università di Trieste Trieste Italy

Institut de Physique des 2 Infinis de Lyon Villeurbanne France

Institut für Hochenergiephysik Vienna Austria

Institute for Nuclear Research and Nuclear Energy Bulgarian Academy of Sciences Sofia Bulgaria

Institute for Research in Fundamental Sciences Tehran Iran

Institute for Scintillation Materials of National Academy of Science of Ukraine Kharkiv Ukraine

Institute of Basic and Applied Sciences Faculty of Engineering Arab Academy for Science Technology and Maritime Transport Alexandria Egypt

Institute of Experimental Physics Faculty of Physics University of Warsaw Warsaw Poland

Institute of High Energy Physics Beijing China

Institute of Modern Physics and Key Laboratory of Nuclear Physics and Ion beam Application Fudan University Shanghai China

Institute of Nuclear and Particle Physics NCSR Demokritos Aghia Paraskevi Greece

Institute of Nuclear Physics of the Uzbekistan Academy of Sciences Tashkent Uzbekistan

Institute of Nuclear Research ATOMKI Debrecen Hungary

Institute of Physics Bhubaneswar India

Institute of Physics University of Debrecen Debrecen Hungary

institute or an international laboratory covered by a cooperation agreement with CERN Geneva Switzerland

Institute or an international laboratory covered by a cooperation agreement with CERN Geneva Switzerland

Institute Rudjer Boskovic Zagreb Croatia

Instituto de Física de Cantabria CSIC Universidad de Cantabria Santander Spain

Instituto Universitario de Ciencias y Tecnologías Espaciales de Asturias Universidad de Oviedo Oviedo Spain

IPPP Durham University Durham UK

IRFU CEA Université Paris Saclay Gif sur Yvette France

Isfahan University of Technology Isfahan Iran

Istanbul Bilgi University Istanbul Turkey

Istanbul Technical University Istanbul Turkey

Istanbul University Cerrahpasa Faculty of Engineering Istanbul Turkey

Istanbul University Istanbul Turkey

Italian National Agency for New Technologies Energy and Sustainable Economic Development Bologna Italy

Izmir Bakircay University Izmir Turkey

Johns Hopkins University Baltimore MD USA

Kafkas University Kars Turkey

Kansas State University Manhattan KS USA

Karamanoğlu Mehmetbey University Karaman Turkey

Karlsruher Institut fuer Technologie Karlsruhe Germany

Karoly Robert Campus MATE Institute of Technology Gyongyos Hungary

Konya Technical University Konya Turkey

Korea University Seoul Korea

Kyungpook National University Daegu Korea

Laboratoire d'Annecy le Vieux de Physique des Particules IN2P3 CNRS Annecy le Vieux France

Laboratoire Leprince Ringuet CNRS IN2P3 Ecole Polytechnique Institut Polytechnique de Paris Palaiseau France

Laboratório de Instrumentação e Física Experimental de Partículas Lisbon Portugal

Lappeenranta Lahti University of Technology Lappeenranta Finland

Lawrence Livermore National Laboratory Livermore CA USA

Marmara University Istanbul Turkey

Massachusetts Institute of Technology Cambridge MA USA

Milli Savunma University Istanbul Turkey

MTA ELTE Lendület CMS Particle and Nuclear Physics Group Eötvös Loránd University Budapest Hungary

Nanjing Normal University Department of Physics Nanjing China

National and Kapodistrian University of Athens Athens Greece

National Central University Chung Li Taiwan

National Centre for Nuclear Research Swierk Poland

National Centre for Particle Physics Universiti Malaya Kuala Lumpur Malaysia

National Centre for Physics Quaid 1 Azam University Islamabad Pakistan

National Institute of Chemical Physics and Biophysics Tallinn Estonia

National Institute of Science Education and Research An OCC of Homi Bhabha National Institute Bhubaneswar Odisha India

National Science Centre Kharkiv Institute of Physics and Technology Kharkiv Ukraine

National Taiwan University Taipei Taiwan

National Technical University of Athens Athens Greece

Near East University Research Center of Experimental Health Science Mersin Turkey

Necmettin Erbakan University Konya Turkey

Northeastern University Boston MA USA

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other institute or international laboratory covered by a cooperation agreement with CERN Geneva Switzerland

Ozyegin University Istanbul Turkey

Panjab University Chandigarh India

Paul Scherrer Institut Villigen Switzerland

Physics Department Faculty of Science Assiut University Assiut Egypt

Physics Department Middle East Technical University Ankara Turkey

Physics Department Science and Art Faculty Çukurova University Adana Turkey

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Rutherford Appleton Laboratory Didcot UK

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School of Physics and Astronomy University of Southampton Southampton UK

Scuola Superiore Meridionale Università di Napoli 'Federico II' Naples Italy

Sejong University Seoul Korea

Seoul National University Seoul Korea

Sharif University of Technology Tehran Iran

Shoolini University Solan India

Sinop University Sinop Turkey

Şırnak University Sirnak Turkey

State Key Laboratory of Nuclear Physics and Technology Peking University Beijing China

State University of New York at Buffalo Buffalo NY USA

Stefan Meyer Institute for Subatomic Physics Vienna Austria

Sun Yat Sen University Guangzhou China

Sungkyunkwan University Suwon Korea

Tata Institute of Fundamental Research A Mumbai India

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Texas A and M University at Qatar Doha Qatar

Texas A and M University College Station TX USA

Texas Tech University Lubbock TX USA

The Ohio State University Columbus OH USA

The University of Alabama Tuscaloosa AL USA

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Universidad de Antioquia Medellin Colombia

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