Combination of searches for invisible decays of the Higgs boson using 139 fb−1 of proton-proton collision data at √s=13 TeV collected with the ATLAS experiment

ATLAS Collaboration; J. R. Bensinger; C. Blocker; G. Sciolla

doi:10.1016/j.physletb.2023.137963

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Combination of searches for invisible decays of the Higgs boson using 139 fb−1 of proton-proton collision data at √s=13 TeV collected with the ATLAS experiment

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Combination of searches for invisible decays of the Higgs boson using 139 fb−1 of proton-proton collision data at √s=13 TeV collected with the ATLAS experiment

ATLAS Collaboration, J. R. Bensinger, C. Blocker and G. Sciolla

Physics letters. B, Vol.842, 137963

07/10/2023

DOI: https://doi.org/10.1016/j.physletb.2023.137963

Abstract

Astronomy & Astrophysics

Physics, Nuclear

Physics, Particles & Fields

Science & Technology

Physical Sciences

Physics

Many extensions of the Standard Model predict the production of dark matter particles at the LHC. Sufficiently light dark matter particles may be produced in decays of the Higgs boson that would appear invisible to the detector. This Letter presents a statistical combination of searches for H & RARR; invisible decays where multiple production modes of the Standard Model Higgs boson are considered. These searches are performed with the ATLAS detector using 139 fb-1 of proton-proton collisions at a centre-of-mass energy of & RADIC;s = 13 TeV at the LHC. In combination with the results at & RADIC;s = 7 TeV and 8 TeV, an upper limit on the H & RARR; invisible branching ratio of 0.107 (0.077) at the 95% confidence level is observed (expected). These results are also interpreted in the context of models where the 125 GeV Higgs boson acts as a portal to dark matter, and limits are set on the scattering cross-section of weakly interacting massive particles and nucleons. & COPY; 2023 The Author(s). Published by Elsevier B.V. This is an open access article under the CC BY license (http://creativecommons .org /licenses /by /4 .0/). Funded by SCOAP3.

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Title: Combination of searches for invisible decays of the Higgs boson using 139 fb−1 of proton-proton collision data at √s=13 TeV collected with the ATLAS experiment
Creators: ATLAS Collaboration (Author)
J. R. Bensinger (Author) - Brandeis University
C. Blocker (Author) - Brandeis University
G. Sciolla (Author) - Brandeis University
Publication Details: Physics letters. B, Vol.842, 137963
Publisher: Elsevier
Number of pages: 19
Grant note: MSSR, Slovakia NDGF (Denmark, Norway, Sweden) ASGC (Taiwan) FWF, Austria; Austrian Science Fund (FWF) ERDF; European Union (EU) Wallenberg Foundation, Sweden RCN, Norway BCKDF ERC; European Research Council (ERC) ANPCyT, Argentina; ANPCyT BMBF; Federal Ministry of Education & Research (BMBF) Czech Republic; Czech Republic Government ANR, France; Agence Nationale de la Recherche (ANR) AvH Foundation, Germany - EU-ESF; Alexander von Humboldt Foundation MESTD, Serbia; Ministry of Education, Science & Technological Development, Serbia DNRF KIT/GridKA (Germany) DFG; German Research Foundation (DFG) MEYS CR, Czech Republic La Caixa Banking Foundation; La Caixa Foundation MEiN, Poland BSF-NSF MPG, Germany; Max Planck Society CANARIE ISF and Benoziyo Center, Israel; Israel Science Foundation INFN-CNAF (Italy) ANAS; Azerbaijan National Academy of Sciences (ANAS) CNRST, Morocco; NWO, Netherlands NSFC, China; National Natural Science Foundation of China (NSFC) CERN JSPS, Japan; Ministry of Education, Culture, Sports, Science and Technology, Japan (MEXT); Japan Society for the Promotion of Science CEA-DRF/IRFU, France INFN, Italy; Istituto Nazionale di Fisica Nucleare (INFN) Royal Society ARRS; Slovenian Research Agency - Slovenia MEXT; Ministry of Education, Culture, Sports, Science and Technology, Japan (MEXT) FCT, Portugal; Fundacao para a Ciencia e a Tecnologia (FCT) NSF, United States of America; National Science Foundation (NSF) DOE; United States Department of Energy (DOE) BMWFW FAPESP, Brazil; Fundacao de Amparo a Pesquisa do Estado de Sao Paulo (FAPESP) MNE/IFA, Romania European Union; European Union (EU) DNSRC, Denmark; Danish Natural Science Research Council Greek NSRF, Greece SNSF; Swiss National Science Foundation (SNSF) CFI, Canada; Canada Foundation for Innovation Investissements d'Avenir Labex; Agence Nationale de la Recherche (ANR) RGC and Hong Kong SAR, China MICINN, Spain; Spanish Government NL-T1 (Netherlands) , PIC (Spain) CNPq; Conselho Nacional de Desenvolvimento Cientifico e Tecnologico (CNPQ) ARC, Australia; Australian Research Council BNL (USA) PROMETEO MOST, Taiwan; Ministry of Science and Technology, Taiwan NSERC; Natural Sciences and Engineering Research Council of Canada (NSERC) IN2P3-CNRS; Centre National de la Recherche Scientifique (CNRS) PRIMUS 21/SCI/017; UNCE SCI/013 / CRC, Canada Leverhulme Trust, United Kingdom; Leverhulme Trust NCN
Identifiers: 9924288384801921
Academic Unit: Martin A. Fisher School of Physics
Language: English
Resource Type: Journal article

Combination of searches for invisible decays of the Higgs boson using 139 fb−1 of proton-proton collision data at √s=13 TeV collected with the ATLAS experiment

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