Search for a heavy pseudoscalar Higgs boson decaying into a 125 GeV Higgs boson and a Z boson in final states with two tau and two light leptons at s√ = 13 TeV

Thumbnail
View/Open
Issue Date
2020-03-11
Author
CMS Collaboration
Publisher
Springer
Type
Article
Article Version
Scholarly/refereed, publisher version
Rights
Copyright CERN, for the benefit of the CMS Collaboration. This article is distributed under the terms of the Creative Commons Attribution License (CC-BY 4.0).
Metadata
Show full item record
Abstract
A search is performed for a pseudoscalar Higgs boson, A, decaying into a 125 GeV Higgs boson h and a Z boson. The h boson is specifically targeted in its decay into a pair of tau leptons, while the Z boson decays into a pair of electrons or muons. A data sample of proton-proton collisions collected by the CMS experiment at the LHC at s√ = 13 TeV is used, corresponding to an integrated luminosity of 35.9 fb−1. No excess above the standard model background expectations is observed in data. A model-independent upper limit is set on the product of the gluon fusion production cross section for the A boson and the branching fraction to Zh → ℓℓττ. The observed upper limit at 95% confidence level ranges from 27 to 5 fb for A boson masses from 220 to 400 GeV, respectively. The results are used to constrain the extended Higgs sector parameters for two benchmark scenarios of the minimal supersymmetric standard model.
URI
http://hdl.handle.net/1808/33374
DOI
https://doi.org/10.1007/JHEP03(2020)065
Collections
Citation
The CMS collaboration., Sirunyan, A.M., Tumasyan, A. et al. Search for a heavy pseudoscalar Higgs boson decaying into a 125 GeV Higgs boson and a Z boson in final states with two tau and two light leptons at s√ = 13 TeV. J. High Energ. Phys. 2020, 65 (2020). https://doi.org/10.1007/JHEP03(2020)065

Items in KU ScholarWorks are protected by copyright, with all rights reserved, unless otherwise indicated.


We want to hear from you! Please share your stories about how Open Access to this item benefits YOU.

Copyright CERN, for the benefit of the CMS Collaboration. This article is distributed under the terms of the Creative Commons Attribution License (CC-BY 4.0).
Except where otherwise noted, this item's license is described as: Copyright CERN, for the benefit of the CMS Collaboration. This article is distributed under the terms of the Creative Commons Attribution License (CC-BY 4.0).