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Aad, Georges
[Verfasser:in];
Baltes, Lisa Marie
[Verfasser:in];
Bartels, Falk
[Verfasser:in];
Castillo, Florencia Luciana
[Verfasser:in];
Czurylo, Marta
[Verfasser:in];
Dittmeier, Sebastian
[Verfasser:in];
Dunford, Monica
[Verfasser:in];
Franchino, Silvia
[Verfasser:in];
Klassen, Martin
[Verfasser:in];
Mkrtchyan, Tigran
[Verfasser:in];
Ott, Philipp
[Verfasser:in];
Rassloff, Damir Fabrice
[Verfasser:in];
Rodriguez Bosca, Sergi
[Verfasser:in];
Sauer, Christof
[Verfasser:in];
Schöning, André
[Verfasser:in];
Schultz-Coulon, Hans-Christian
[Verfasser:in];
Spieker, Thomas
[Verfasser:in];
Stamen, Rainer
[Verfasser:in];
Starovoitov, Pavel
[Verfasser:in];
Vigani, Luigi
[Verfasser:in];
Weber, Sebastian
[Verfasser:in];
Wessels, Martin
[Verfasser:in];
Zinßer, Joachim
[Verfasser:in]
;
ATLAS Collaboration
Search for a light charged Higgs boson in t → H±b decays, with H± → cb, in the lepton+jets final state in proton-proton collisions at √s = 13 TeV with the ATLAS detector
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- Medientyp: E-Artikel
- Titel: Search for a light charged Higgs boson in t → H±b decays, with H± → cb, in the lepton+jets final state in proton-proton collisions at √s = 13 TeV with the ATLAS detector
- Beteiligte: Aad, Georges [Verfasser:in]; Baltes, Lisa Marie [Verfasser:in]; Bartels, Falk [Verfasser:in]; Castillo, Florencia Luciana [Verfasser:in]; Czurylo, Marta [Verfasser:in]; Dittmeier, Sebastian [Verfasser:in]; Dunford, Monica [Verfasser:in]; Franchino, Silvia [Verfasser:in]; Klassen, Martin [Verfasser:in]; Mkrtchyan, Tigran [Verfasser:in]; Ott, Philipp [Verfasser:in]; Rassloff, Damir Fabrice [Verfasser:in]; Rodriguez Bosca, Sergi [Verfasser:in]; Sauer, Christof [Verfasser:in]; Schöning, André [Verfasser:in]; Schultz-Coulon, Hans-Christian [Verfasser:in]; Spieker, Thomas [Verfasser:in]; Stamen, Rainer [Verfasser:in]; Starovoitov, Pavel [Verfasser:in]; Vigani, Luigi [Verfasser:in]; Weber, Sebastian [Verfasser:in]; Wessels, Martin [Verfasser:in]; Zinßer, Joachim [Verfasser:in]
-
Erschienen:
01 September 2023
- Erschienen in: Journal of high energy physics ; (2023), 9, Artikel-ID 4, Seite 1-52
- Sprache: Englisch
- DOI: 10.1007/JHEP09(2023)004
- Identifikator:
- Schlagwörter: Hadron-Hadron Scattering
- Entstehung:
-
Anmerkungen:
*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, L. Vigani, S.M. Weber, M. Wessels, J. Zinsser [und sehr viele weitere Personen]
Im Titel sind die Zeichen + und - hochgestellt
Im Titel steht der Buchstabe s unter dem Wurzelsymbol
- Beschreibung: A search for a charged Higgs boson, H±, produced in top-quark decays, t → H±b, is presented. The search targets H± decays into a bottom and a charm quark, H± → cb. The analysis focuses on a selection enriched in top-quark pair production, where one top quark decays into a leptonically decaying W boson and a bottom quark, and the other top quark decays into a charged Higgs boson and a bottom quark. This topology leads to a lepton-plus-jets final state, characterised by an isolated electron or muon and at least four jets. The search exploits the high multiplicity of jets containing b-hadrons, and deploys a neural network classifier that uses the kinematic differences between the signal and the background. The search uses a dataset of proton-proton collisions collected at a centre-of-mass energy √s = 13 TeV between 2015 and 2018 with the ATLAS detector at CERN’s Large Hadron Collider, amounting to an integrated luminosity of 139 fb−1. Observed (expected) 95% confidence-level upper limits between 0.15% (0.09%) and 0.42% (0.25%) are derived for the product of branching fractions B(t → H±b) × B(H± → cb) for charged Higgs boson masses between 60 and 160 GeV, assuming the SM production of the top-quark pairs.
- Zugangsstatus: Freier Zugang