Search for a charged Higgs boson decaying into a heavy neutral Higgs boson and a W boson in proton-proton collisions at $$ \sqrt{s} $$ = 13 TeV

Medientyp: E-Artikel
Titel: Search for a charged Higgs boson decaying into a heavy neutral Higgs boson and a W boson in proton-proton collisions at $$ \sqrt{s} $$ = 13 TeV
Beteiligte: Tumasyan, A.; Adam, W.; Andrejkovic, J. W.; Bergauer, T.; Chatterjee, S.; Damanakis, K.; Dragicevic, M.; Escalante Del Valle, A.; Hussain, P. S.; Jeitler, M.; Krammer, N.; Lechner, L.; Liko, D.; Mikulec, I.; Paulitsch, P.; Pitters, F. M.; Schieck, J.; Schöfbeck, R.; Schwarz, D.; Templ, S.; Waltenberger, W.; Wulz, C.-E.; Darwish, M. R.; Janssen, T.; [...]
Erschienen: Springer Science and Business Media LLC, 2023
Erschienen in: Journal of High Energy Physics
Sprache: Englisch
DOI: 10.1007/jhep09(2023)032
ISSN: 1029-8479
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Beschreibung: <jats:title>A<jats:sc>bstract</jats:sc> </jats:title><jats:p>A search for a charged Higgs boson H<jats:sup><jats:italic>±</jats:italic></jats:sup> decaying into a heavy neutral Higgs boson H and a W boson is presented. The analysis targets the H decay into a pair of tau leptons with at least one of them decaying hadronically and with an additional electron or muon present in the event. The search is based on proton-proton collision data recorded by the CMS experiment during 2016–2018 at <jats:inline-formula><jats:alternatives><jats:tex-math>$$ \sqrt{s} $$</jats:tex-math><mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"> <mml:msqrt> <mml:mi>s</mml:mi> </mml:msqrt> </mml:math></jats:alternatives></jats:inline-formula> = 13 TeV, corresponding to an integrated luminosity of 138 fb<jats:sup><jats:italic>−</jats:italic>1</jats:sup>. The data are consistent with standard model background expectations. Upper limits at 95% confidence level are set on the product of the cross section and branching fraction for an H<jats:sup><jats:italic>±</jats:italic></jats:sup> in the mass range of 300–700 GeV, assuming an H with a mass of 200 GeV. The observed limits range from 0.085 pb for an H<jats:sup><jats:italic>±</jats:italic></jats:sup> mass of 300 Ge V to 0.019 pb for a mass of 700 GeV. These are the first limits on H<jats:sup><jats:italic>±</jats:italic></jats:sup> production in the H<jats:sup><jats:italic>±</jats:italic></jats:sup><jats:italic>→</jats:italic> HW<jats:sup><jats:italic>±</jats:italic></jats:sup> decay channel at the LHC.</jats:p>
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