{"id":"W4321210387","doi":"10.1103/physrevlett.130.071804","title":"Search for a Dark Photon and an Invisible Dark Higgs Boson in μ+μ− and Missing Energy Final States with the Belle II Experiment","year":2023,"lang":"lv","type":"article","venue":"Physical Review Letters","topic":"Particle physics theoretical and experimental studies","field":"Physics and Astronomy","cited_by":16,"is_retracted":false,"has_abstract":true,"ca_institutions":"","funders":"H2020 European Research Council; Institut National de Physique Nucléaire et de Physique des Particules; Agencia Estatal de Investigación; Centro de Investigación y de Estudios Avanzados del Instituto Politécnico Nacional; Japan Society for the Promotion of Science; Deutsches Elektronen-Synchrotron; Australian Research Council; Seventh Framework Programme; Korea Research Environment Open Network; Ministry of Science and Higher Education of the Russian Federation; Korea Institute of Science and Technology; Ministry of Culture and Sport; HORIZON EUROPE Marie Sklodowska-Curie Actions; National Research University Higher School of Economics; Türkiye Bilimsel ve Teknolojik Araştırma Kurumu; National Research Foundation; Javna Agencija za Raziskovalno Dejavnost RS; Israel Science Foundation; National Natural Science Foundation of China; National Research Foundation of Korea; Ministry of Education and Science of the Russian Federation; Science and Technology Commission of Shanghai Municipality; CAS Center for Excellence in Particle Physics; Bundesministerium für Bildung, Wissenschaft und Forschung; Deutsche Forschungsgemeinschaft; Chinese Academy of Sciences; U.S. Department of Energy; Alexander von Humboldt-Stiftung; Korea Institute of Science and Technology Information; Akademi Sains Malaysia; Ministry of Science and Technology of the People's Republic of China; Department of Atomic Energy, Government of India; Natural Sciences and Engineering Research Council of Canada; Bundesministerium für Bildung und Forschung; Ministry of Education, Culture, Sports, Science and Technology; Liaoning Revitalization Talents Program; Ministerstvo Školství, Mládeže a Tělovýchovy; Grantová Agentura České Republiky; Austrian Science Fund; Generalitat Valenciana; Helmholtz-Gemeinschaft; Thailand Center of Excellence in Physics; United States-Israel Binational Science Foundation; Health and Safety Executive; Centre National de la Recherche Scientifique; Max-Planck-Gesellschaft; National Research Foundation of Ukraine; National Institute of Informatics; Istituto Nazionale di Fisica Nucleare; Department of Science and Technology, Ministry of Science and Technology, India; Univerzita Karlova v Praze; Ministry of Education and Science of Ukraine; Vietnam Academy of Science and Technology; Compute Canada; University of Tabuk; University of Victoria; National Science Foundation; Canarie; Istituto Nazionale di Fisica Nucleare Sezione di Padova","keywords":"Physics; Higgs boson; Particle physics; Dark photon; Luminosity; Standard Model (mathematical formulation); Dark matter; Nuclear physics; 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