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Search for heavy Higgs bosons decaying into two tau leptons with the ATLAS detector using pp collisions at √s=13 TeV

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A search for heavy neutral Higgs bosons is performed using the LHC Run 2 data, corresponding to an integrated luminosity of 139 fb−1 of proton-proton collisions at √s=13 TeV recorded with the ATLAS detector. The search for heavy resonances is performed over the mass range 0.2-2.5 TeV for the τ+τ− de...

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Main Authors: Aad, Georges (Author) , Anders, Christoph (Author) , Andrei, George Victor (Author) , Antel, Claire (Author) , Bartels, Falk (Author) , Bolz, Arthur (Author) , Czurylo, Marta (Author) , Dunford, Monica (Author) , Ferreira de Lima, Danilo Enoque (Author) , Franchino, Silvia (Author) , Helary, Louis (Author) , Jongmanns, Jan (Author) , Krishnan, Anjali (Author) , Kugel, Andreas (Author) , Meyer zu Theenhausen, Hanno (Author) , Mkrtchyan, Tigran (Author) , Napolitano, Fabrizio (Author) , Ott, Philipp (Author) , S̜ahinsoy, Merve (Author) , Schöning, André (Author) , Schultz-Coulon, Hans-Christian (Author) , Spieker, Thomas (Author) , Stamen, Rainer (Author) , Starovoitov, Pavel (Author) , Suchek, Stanislav (Author) , Vigani, Luigi (Author) , Wang, Jike (Author) , Weber, Sebastian (Author) , Wessels, Martin (Author) , Yue, Xiaoguang (Author)
Corporate Author: ATLAS Collaboration (Author)
Format: Article (Journal)
Language:English
Published: 27 July 2020
In: Physical review letters
Year: 2020, Volume: 125, Issue: 5, Pages: 051801
ISSN:1079-7114
DOI:10.1103/PhysRevLett.125.051801
Online Access:Verlag, lizenzpflichtig, Volltext: https://doi.org/10.1103/PhysRevLett.125.051801
Verlag, lizenzpflichtig, Volltext: https://link.aps.org/doi/10.1103/PhysRevLett.125.051801
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Author Notes:G. Aad et al. (ATLAS Collaboration)
Description
Summary:A search for heavy neutral Higgs bosons is performed using the LHC Run 2 data, corresponding to an integrated luminosity of 139 fb−1 of proton-proton collisions at √s=13 TeV recorded with the ATLAS detector. The search for heavy resonances is performed over the mass range 0.2-2.5 TeV for the τ+τ− decay with at least one τ-lepton decaying into final states with hadrons. The data are in good agreement with the background prediction of the standard model. In the M125h scenario of the minimal supersymmetric standard model, values of tanβ>8 and tanβ>21 are excluded at the 95% confidence level for neutral Higgs boson masses of 1.0 and 1.5 TeV, respectively, where tanβ is the ratio of the vacuum expectation values of the two Higgs doublets.
Item Description:ATLAS Collaboration: G. Aad, C. Anders, V. Andrei, C. Antel, F. Bartels, A. Bolz, M. Czurylo, M. Dunford, D.E. Ferreira de Lima, S. Franchino, L. Helary, J. Jongmanns, A. Krishnan, A. Kugel, H. Meyer zu Theenhausen, T. Mkrtchyan, F. Napolitano, P. Ott, M. Sahinsoy, A. Schöning, H.-C. Schultz-Coulon, T. Spieker, R. Stamen, P. Starovoitov, L. Vigani, J. Wang, S. Weber, M. Wessels, X. Yue [und viele weitere]
ATLAS Collaboration: G. Aad, C. Anders, V. Andrei, C. Antel, [und viele weitere]
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Gesehen am 18.11.2020
Physical Description:Online Resource
ISSN:1079-7114
DOI:10.1103/PhysRevLett.125.051801

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