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Search for a light CP-odd Higgs boson decaying into a pair of τ-leptons in proton-proton collisions at √s = 13 TeV with the ATLAS detector
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SYSNO ASEP 0616554 Document Type J - Journal Article R&D Document Type Journal Article Subsidiary J Článek ve WOS Title Search for a light CP-odd Higgs boson decaying into a pair of τ-leptons in proton-proton collisions at √s = 13 TeV with the ATLAS detector Author(s) Aad, G. (FR)
Aakvaag, E. (NO)
Abbott, B. (US)
Chudoba, Jiří (FZU-D) RID, ORCID
Federičová, Pavla (FZU-D) ORCID
Hejbal, Jiří (FZU-D) RID, ORCID
Jačka, Petr (FZU-D) ORCID
Kepka, Oldřich (FZU-D) RID, ORCID
Kroll, Jiří (FZU-D) ORCID
Kupčo, Alexander (FZU-D) RID, ORCID
Latoňová, Věra (FZU-D) ORCID
Lysák, Roman (FZU-D) RID, ORCID
Marčišovský, Michal (FZU-D) RID, ORCID
Mikeštíková, Marcela (FZU-D) RID, ORCID
Nechanský, Filip (FZU-D) ORCID
Němeček, Stanislav (FZU-D) RID, ORCID
Šícho, Petr (FZU-D) RID, ORCID
Staroba, Pavel (FZU-D) RID, ORCID
Svatoš, Michal (FZU-D) RID, ORCID
Taševský, Marek (FZU-D) RID, ORCIDNumber of authors 2958 Article number 126 Source Title Journal of High Energy Physics. - : Springer - ISSN 1029-8479
Roč. 2024, č. 12 (2024)Number of pages 50 s. Language eng - English Country DE - Germany Keywords ATLAS ; CERN LHC Coll ; GeV ; Higgs particle ; TeV Subject RIV BF - Elementary Particles and High Energy Physics OECD category Particles and field physics R&D Projects EH22_008/0004632 GA MŠMT - Ministry of Education, Youth and Sports (MEYS) Research Infrastructure CERN-CZ III - 90240 - Fyzikální ústav AV ČR, v. v. i. Method of publishing Open access Institutional support FZU-D - RVO:68378271 UT WOS 001412127900001 DOI https://doi.org/10.1007/JHEP12(2024)126 Annotation This paper reports a search for a light CP-odd scalar resonance with a mass of 20 GeV to 90 GeV in 13 TeV proton-proton collision data with an integrated luminosity of 140 fb−1 collected with the ATLAS detector at the Large Hadron Collider. The analysis assumes the resonance is produced via gluon-gluon fusion and decays into a τ+τ− pair which subsequently decays into a fully leptonic μ+νμν‾τe−ν‾eντμ+νμντe−νeντ or e+νeν‾τμ−ν‾μντe+νeντμ−νμντ final state. No significant excess of events above the predicted Standard Model background is observed. The results are interpreted within a flavour-aligned two-Higgs-doublet model, and a model-independent cross-section interpretation is also given. Upper limits at 95% confidence level between 3.0 pb and 68 pb are set on the cross-section for producing a CP-odd Higgs boson that decays into a τ+τ− pair. Workplace Institute of Physics Contact Kristina Potocká, potocka@fzu.cz, Tel.: 220 318 579 Year of Publishing 2025 Electronic address https://hdl.handle.net/11104/0363544
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