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Search for a pseudoscalar boson decaying into a Z boson and the 125 GeV Higgs boson in View the MathML sourceℓ+ℓ−bb‾ final states

By Switzerland CERN CMS Collaboration, Samantha Hewamanage, Stephan Linn, Pete E. Markowitz, German Martinez and Jorge Luis Rodriguez


Results are reported on a search for decays of a pseudoscalar A boson into a Z boson and a light scalar h boson, where the Z boson decays into a pair of oppositely-charged electrons or muons, and the h boson decays into bb. The search is based on data from proton–proton collisions at a center-of-mass energy √s=8TeVcollected with the CMS detector, corresponding to an integrated luminosity of 19.7fb−1. The h boson is assumed to be the standard model-like Higgs boson with a mass of 125GeV. With no evidence for signal, upper limits are obtained on the product of the production cross section and the branching fraction of the A boson in the Zh channel. Results are also interpreted in the context of two Higgs doublet models

Topics: Physics
Publisher: FIU Digital Commons
Year: 2015
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