Combination of searches for heavy spin-1 resonances using 139 fb<sup>-1</sup> of proton-proton collision data at $\sqrt{s}$ = 13 TeV with the ATLAS detector

A bstract A combination of searches for new heavy spin-1 resonances decaying into different pairings of W , Z , or Higgs bosons, as well as directly into leptons or quarks, is presented. The data sample used corresponds to 139 fb − 1 of proton-proton collisions at $$ \sqrt{s} $$ <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"> <mml:msqrt> <mml:mi>s</mml:mi> </mml:msqrt> </mml:math> = 13 TeV collected during 2015–2018 with the ATLAS detector at the CERN Large Hadron Collider. Analyses selecting quark pairs ( qq , bb , $$ t\overline{t} $$ <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"> <mml:mi>t</mml:mi> <mml:mover> <mml:mi>t</mml:mi> <mml:mo>¯</mml:mo> </mml:mover> </mml:math> , and tb ) or third-generation leptons ( τν and ττ ) are included in this kind of combination for the first time. A simplified model predicting a spin-1 heavy vector-boson triplet is used. Cross-section limits are set at the 95% confidence level and are compared with predictions for the benchmark model. These limits are also expressed in terms of constraints on couplings of the heavy vector-boson triplet to quarks, leptons, and the Higgs boson. The complementarity of the various analyses increases the sensitivity to new physics, and the resulting constraints are stronger than those from any individual analysis considered. The data exclude a heavy vector-boson triplet with mass below 5.8 TeV in a weakly coupled scenario, below 4.4 TeV in a strongly coupled scenario, and up to 1.5 TeV in the case of production via vector-boson fusion.

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OSTI OAI (U.S. Department of Energy Office of Scientific and Technical Information)
Published
2024-12-25
DOI
https://doi.org/10.1007/jhep04%282024%29118
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1
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Particle physics theoretical and experimental studies
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article

Combination of searches for heavy spin-1 resonances using 139 fb-1 of proton-proton collision data at $\sqrt{s}$ = 13 TeV with the ATLAS detector

G. Aad
1 citations
OSTI OAI (U.S. Department of Energy Office of Scientific and Technical Information)
Particle physics theoretical and experimental studies
article

Combination of searches for heavy spin-1 resonances using 139 fb-1 of proton-proton collision data at $\sqrt{s}$ = 13 TeV with the ATLAS detector

G. Aad
article en
1 citations

Abstract

A bstract A combination of searches for new heavy spin-1 resonances decaying into different pairings of W , Z , or Higgs bosons, as well as directly into leptons or quarks, is presented. The data sample used corresponds to 139 fb − 1 of proton-proton collisions at $$ \sqrt{s} $$ <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"> <mml:msqrt> <mml:mi>s</mml:mi> </mml:msqrt> </mml:math> = 13 TeV collected during 2015–2018 with the ATLAS detector at the CERN Large Hadron Collider. Analyses selecting quark pairs ( qq , bb , $$ t\overline{t} $$ <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"> <mml:mi>t</mml:mi> <mml:mover> <mml:mi>t</mml:mi> <mml:mo>¯</mml:mo> </mml:mover> </mml:math> , and tb ) or third-generation leptons ( τν and ττ ) are included in this kind of combination for the first time. A simplified model predicting a spin-1 heavy vector-boson triplet is used. Cross-section limits are set at the 95% confidence level and are compared with predictions for the benchmark model. These limits are also expressed in terms of constraints on couplings of the heavy vector-boson triplet to quarks, leptons, and the Higgs boson. The complementarity of the various analyses increases the sensitivity to new physics, and the resulting constraints are stronger than those from any individual analysis considered. The data exclude a heavy vector-boson triplet with mass below 5.8 TeV in a weakly coupled scenario, below 4.4 TeV in a strongly coupled scenario, and up to 1.5 TeV in the case of production via vector-boson fusion.

OSTI OAI (U.S. Department of Energy Office of Scientific and Technical Information)
Centre de physique des particules de Marseille (FR)
National Science Foundation, U.S. Department of Energy, Alexander von Humboldt-Stiftung, University of Pennsylvania, Ohio State University, Northern Illinois University, Oklahoma State University, Università degli Studi di Napoli Federico II, Harvard University, Univerzita Karlova v Praze, Aix-Marseille Université, Univerzita Komenského v Bratislave, České Vysoké Učení Technické v Praze, Michigan State University, University of Washington, Brandeis University, University of Pittsburgh, University of Oklahoma, Canarie, McGill University, Universidad Técnica Federico Santa María, University of Bern, Justus Liebig Universität Gießen, Shandong University, Queen Mary University of London, Iowa State University, Slovenská Akadémia Vied, University of Oregon, New York University Abu Dhabi, TRIUMF, CERN, Université Grenoble Alpes, Centres de Recerca de Catalunya, Université Mohammed VI Polytechnique, Institut "Jožef Stefan", Universität Siegen, Southern Methodist University, Louisiana Tech University, Institutul National de Cercetare-Dezvoltare pentru Fizica si Inginerie Nucleara 'Horia Hulubei', Türkiye Enerji, Nükleer ve Maden Araştırma Kurumu, York University, Leverhulme Trust, Royal Society, Scottish Universities Physics Alliance, University College London, University of Oxford, European Commission, University of Sussex, University of Glasgow, Deutsche Forschungsgemeinschaft, Universität Heidelberg, Agence Nationale de la Recherche, Abdus Salam International Centre for Theoretical Physics, Ministry of Education, Culture, Sports, Science and Technology, Schweizerischer Nationalfonds zur Förderung der Wissenschaftlichen Forschung, Danmarks Grundforskningsfond, Fundação de Amparo à Pesquisa do Estado de São Paulo, National Natural Science Foundation of China, Ministerstvo Školství, Mládeže a Tělovýchovy, Universiteit van Amsterdam, Radboud Universiteit, Academia Sinica, Bundesministerium für Bildung und Forschung, Chinese Academy of Sciences, Sun Yat-sen University, Austrian Science Fund, Albert-Ludwigs-Universität Freiburg, Universidad Nacional de Colombia, Generalitat de Catalunya, Consejo Nacional de Investigaciones Científicas y Técnicas, Technische Universität Dresden, Nederlandse Organisatie voor Wetenschappelijk Onderzoek, Lunds Universitet, Generalitat Valenciana, Georg-August-Universität Göttingen, Bundesministerium für Wissenschaft, Forschung und Wirtschaft, University of Toronto, Conselho Nacional de Desenvolvimento Científico e Tecnológico, Universidad Nacional de La Plata, Israel Science Foundation, Università degli Studi di Trento, Tsinghua University, Max-Planck-Gesellschaft, Akademie Věd České Republiky, Kungliga Tekniska Högskolan, Sapienza Università di Roma, Simon Fraser University, Javna Agencija za Raziskovalno Dejavnost RS, Tel Aviv University, Universitatea Transilvania din Brasov, Ministry of Education, India, Universidad Autónoma de Madrid, Zhengzhou University, Université de Toulouse, Università degli Studi di Pavia, Centre National de la Recherche Scientifique, Ministerio de Ciencia e Innovación, Shanghai Jiao Tong University, Universitetet i Bergen, National Tsing Hua University, Universidad de Buenos Aires, Universitetet i Oslo, Universidade de São Paulo, Ludwig-Maximilians-Universität München, Universidade de Coimbra, Universidade de Lisboa, Université de Fribourg, Università di Bologna, United Arab Emirates University, Technion-Israel Institute of Technology, Centre National pour la Recherche Scientifique et Technique, Université de Genève, Universidad de Granada, Aristotle University of Thessaloniki, University of Tsukuba, University of Johannesburg, High Energy Accelerator Research Organization, Universidade do Estado do Rio de Janeiro, Univerzita Palackého v Olomouci, Università della Calabria, University of Cape Town, Université Paris-Saclay, Universidad de Tarapacá, Universitatea din București, Universidade Federal de Juiz de Fora, University of the Philippines, Università di Pisa, Univerza v Ljubljani, Nanjing University, Rheinische Friedrich-Wilhelms-Universität Bonn, University of South Africa, Universidade Federal do Rio de Janeiro, Universidade do Minho, Gaziantep Üniversitesi, University of Science and Technology of China, Stockholms Universitet, Pontificia Universidad Católica de Chile, State Key Laboratory of Particle Detection and Electronics, University of Chinese Academy of Sciences, Universität Innsbruck, National University of Science and Technology, Narodowa Agencja Wymiany Akademickiej, Université Cadi Ayyad, University of Zululand, Technische Universität Dortmund, Université Hassan II de Casablanca, Shanghai Key Laboratory for Particle Physics and Cosmology, Sorbonne Université, Agencia Nacional de Investigación y Desarrollo, Stony Brook University, College of Engineering, Michigan State University, University of California, Irvine, Natural Sciences and Engineering Research Council of Canada, Science and Technology Facilities Council, Deutsches Elektronen-Synchrotron, Japan Society for the Promotion of Science, Fundação para a Ciência e a Tecnologia, Agencia Nacional de Promoción Científica y Tecnológica, Department of Physics and Astronomy, University College London, Instituto Superior Técnico, British Columbia Knowledge Development Fund, European Regional Development Fund, Institute of High Energy Physics, Institut National de Physique Nucléaire et de Physique des Particules, Royal Holloway, University of London, Division of Physics, High Energy Physics, Nuclear Physics, European Social Fund, Brookhaven National Laboratory, Lawrence Berkeley National Laboratory, H2020 Marie Skłodowska-Curie Actions, SLAC National Accelerator Laboratory
Particle physics theoretical and experimental studies
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