Search for a Pseudoscalar Boson Decaying Into a Z Boson and the 125 GeV Higgs Boson in Ll−$b\bar{b}$ Final States PDF Download

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Search for a Pseudoscalar Boson Decaying Into a Z Boson and the 125 GeV Higgs Boson in Ll−$b\bar{b}$ Final States

Search for a Pseudoscalar Boson Decaying Into a Z Boson and the 125 GeV Higgs Boson in Ll−$b\bar{b}$ Final States PDF Author:
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Languages : en
Pages : 23

Book Description
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 $b\bar{b}$. The search is based on data from proton-proton collisions at a center-of-mass energy √s = 8 TeV collected with the CMS detector, corresponding to an integrated luminosity of 19.7 fb−1. The h boson is assumed to be the standard model-like Higgs boson with a mass of 125 GeV. 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.
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