Search for resonant and non-resonant Higgs boson pair production in the bb[bar]τ+ τ- decay channel using 13 TeV pp collision data from the ATLAS detector
A search for Higgs boson pair production in events with two b-jets and two τ-leptons is presented, using a proton-proton collision dataset with an integrated luminosity of 139 fb−1 collected at $$ \sqrt{s} $$= 13 TeV by the ATLAS experiment at the LHC. Higgs boson pairs produced non-resonantly or in...
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| Hauptverfasser: | , , , , , , , , , , , , , , , , , , , , , , |
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| Körperschaft: | |
| Dokumenttyp: | Article (Journal) |
| Sprache: | Englisch |
| Veröffentlicht: |
05 July 2023
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| In: |
Journal of high energy physics
Year: 2023, Heft: 7, Pages: 1-62 |
| ISSN: | 1029-8479 |
| DOI: | 10.1007/JHEP07(2023)040 |
| Online-Zugang: | Verlag, kostenfrei, Volltext: https://doi.org/10.1007/JHEP07(2023)040
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| Verfasserangaben: | The ATLAS collaboration* |
MARC
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| 245 | 1 | 0 | |a Search for resonant and non-resonant Higgs boson pair production in the bb[bar]τ+ τ- decay channel using 13 TeV pp collision data from the ATLAS detector |c The ATLAS collaboration* |
| 246 | 3 | 3 | |a Search for resonant and non-resonant Higgs boson pair production in the bb[bar] tau + tau - decay channel using 13 TeV proton proton collision data from the ATLAS detector |
| 264 | 1 | |c 05 July 2023 | |
| 300 | |b Illustrationen | ||
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| 500 | |a Veröffentlicht: 05. Juli 2023 | ||
| 500 | |a Im Titel steht der 2. Buchstabe b mit einem Oberstrich | ||
| 500 | |a Im Titel sind die Zeichen + und minus hochgestellt | ||
| 500 | |a *The ATLAS collaboration: G. Aad, L.M. Baltes, F. Bartels, F.L. Castillo, M.M. Czurylo, S.J. Dittmeier, M. Dunford, S. Franchino, M. Klassen, T. Mkrtchyan, P.S. Ott, D.F. Rassloff, S. Rodriguez Bosca, C. Sauer, A. Schoening, H.-C. Schultz-Coulon, T.M. Spieker, R. Stamen, P. Starovoitov, S.M. Weber, M. Wessels, L. Vigani, J. Zinsser [und sehr viele weitere Personen] | ||
| 500 | |a Gesehen am 14.12.2023 | ||
| 520 | |a A search for Higgs boson pair production in events with two b-jets and two τ-leptons is presented, using a proton-proton collision dataset with an integrated luminosity of 139 fb−1 collected at $$ \sqrt{s} $$= 13 TeV by the ATLAS experiment at the LHC. Higgs boson pairs produced non-resonantly or in the decay of a narrow scalar resonance in the mass range from 251 to 1600 GeV are targeted. Events in which at least one τ-lepton decays hadronically are considered, and multivariate discriminants are used to reject the backgrounds. No significant excess of events above the expected background is observed in the non-resonant search. The largest excess in the resonant search is observed at a resonance mass of 1 TeV, with a local (global) significance of 3.1σ (2.0σ). Observed (expected) 95% confidence-level upper limits are set on the non-resonant Higgs boson pair-production cross-section at 4.7 (3.9) times the Standard Model prediction, assuming Standard Model kinematics, and on the resonant Higgs boson pair-production cross-section at between 21 and 900 fb (12 and 840 fb), depending on the mass of the narrow scalar resonance. | ||
| 650 | 4 | |a Hadron-Hadron Scattering | |
| 650 | 4 | |a Higgs Physics | |
| 650 | 4 | |a Proton-Proton Scattering | |
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