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Type: Journal article
Title: Non-standard higgs decays in U(1) extensions of the MSSM
Author: Athron, P.
Mühlleitner, M.
Nevzorov, R.
Williams, A.
Citation: The Journal of High Energy Physics, 2015; 2015(1):153-1-153-36
Publisher: Springer
Issue Date: 2015
ISSN: 1126-6708
Statement of
P. Athron, M. Mühlleitner, R. Nevzorov and A. G. Williams
Abstract: In U(1) extensions of the Minimal Supersymmetric extension of the Standard Model there is a simple mechanism that leads to a heavy Z0 boson with a mass which is substantially larger than the supersymmetry breaking scale. This mechanism may also result in a pseudoscalar state that is light enough for decays of the 125 GeV Standard Model-like Higgs boson into a pair of such pseudoscalars to be kinematically allowed. We study these decays within E6 inspired supersymmetric models with an exact custodial symmetry that forbids tree-level flavor-changing transitions and the most dangerous baryon and lepton number violating operators. We argue that the branching ratio of the lightest Higgs boson decays into a pair of the light pseudoscalar states may not be negligibly small.
Keywords: Higgs Physics; Supersymmetric Standard Model
Rights: © The Author(s) 2015 This article is distributed under the terms of the Creative Commons Attribution License (CC-BY 4.0), which permits any use, distribution and reproduction in any medium, provided the original author(s) and source are credited.
DOI: 10.1007/JHEP01(2015)153
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