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Abstract <p>This paper presents an overview of the latest results and research methodology of statistical combination of Higgs invisible searches at ATLAS Large Hadron Collider experiment using data collected in Run&#xa0;I (<InlineEquation ID="IEq1"> <InlineMediaObject> <ImageObject Color="BlackWhite" FileRef="11496_2025_9076_Article_IEq1.gif" Format="GIF" Height="19" Rendition="HTML" Resolution="72" Type="Linedraw" Width="30" /> </InlineMediaObject> <EquationSource Format="TEX">\(\sqrt s \)</EquationSource> <!--PhysPart2470233Pokidova-m1--> </InlineEquation> = 7 TeV, 8 TeV) and Run II (<InlineEquation ID="IEq2"> <InlineMediaObject> <ImageObject Color="BlackWhite" FileRef="11496_2025_9076_Article_IEq1.gif" Format="GIF" Height="19" Rendition="HTML" Resolution="72" Type="Linedraw" Width="30" /> </InlineMediaObject> <EquationSource Format="TEX">\(\sqrt s \)</EquationSource> <!--PhysPart2470233Pokidova-m2--> </InlineEquation> = 13 TeV). In this search, multiple production modes of the Standard Model Higgs boson were considered. Obtained upper limit on H → inv branching ratio of 0.107 (0.077) at the 95% confidence level is observed (expected). This result is the most strict up to date. Obtained values at the ATLAS experiment are compared with the results of direct-search experiments.</p>

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Searches for Higgs Boson Decays into Dark Matter Particles in the ATLAS Experiment

  • 期刊论文

  • 发表日期：

    2025年6月27日

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  • M. V. Pokidova,
  • Yu. G. Naryshkin,
  • Ya. A. Berdnikov

摘要

Abstract

This paper presents an overview of the latest results and research methodology of statistical combination of Higgs invisible searches at ATLAS Large Hadron Collider experiment using data collected in Run I ( \(\sqrt s \) = 7 TeV, 8 TeV) and Run II ( \(\sqrt s \) = 13 TeV). In this search, multiple production modes of the Standard Model Higgs boson were considered. Obtained upper limit on H → inv branching ratio of 0.107 (0.077) at the 95% confidence level is observed (expected). This result is the most strict up to date. Obtained values at the ATLAS experiment are compared with the results of direct-search experiments.