Please use this identifier to cite or link to this item: https://hdl.handle.net/20.500.11851/8704
Title: Search for associated production of a Z boson with an invisibly decaying Higgs boson or dark matter candidates at s=13 TeV with the ATLAS detector
Authors: Aad G.
Abbott B.
Abbott D.C.
Abed Abud A.
Abeling K.
Abhayasinghe D.K.
Abidi S.H.
Issue Date: 2022
Publisher: Elsevier B.V.
Source: Aad, G., Abbott, B., Abbott, D. C., Abud, A. A., Abeling, K., Abhayasinghe, D. K., ... & Balaji, S. (2022). Search for associated production of a Z boson with an invisibly decaying Higgs boson or dark matter candidates at s= 13 TeV with the ATLAS detector. Physics Letters B, 829, 137066.
Abstract: A search for invisible decays of the Higgs boson as well as searches for dark matter candidates, produced together with a leptonically decaying Z boson, are presented. The analysis is performed using proton?proton collisions at a centre-of-mass energy of 13 TeV, delivered by the LHC, corresponding to an integrated luminosity of 139 fb?1 and recorded by the ATLAS experiment. Assuming Standard Model cross-sections for ZH production, the observed (expected) upper limit on the branching ratio of the Higgs boson to invisible particles is found to be 19% (19%) at the 95% confidence level. Exclusion limits are also set for simplified dark matter models and two-Higgs-doublet models with an additional pseudoscalar mediator. © 2022 The Author(s)
URI: https://doi.org/10.1016/j.physletb.2022.137066
https://hdl.handle.net/20.500.11851/8704
ISSN: 0370-2693
Appears in Collections:Malzeme Bilimi ve Nanoteknoloji Mühendisliği Bölümü / Department of Material Science & Nanotechnology Engineering
Scopus İndeksli Yayınlar Koleksiyonu / Scopus Indexed Publications Collection
WoS İndeksli Yayınlar Koleksiyonu / WoS Indexed Publications Collection

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