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Search for a low-mass pseudoscalar Higgs boson produced in association with a b b ‾ pair in pp collisions at √ s = 8 TeV

Author(s)
The CMS Collaboration
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Creative Commons Attribution 4.0 International license https://creativecommons.org/licenses/by/4.0/
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Abstract
© 2016 The Author(s) A search is reported for a light pseudoscalar Higgs boson decaying to a pair of τ leptons, produced in association with a bb‾ pair, in the context of two-Higgs-doublet models. The results are based on pp collision data at a centre-of-mass energy of 8 TeV collected by the CMS experiment at the LHC and corresponding to an integrated luminosity of 19.7 fb−1. Pseudoscalar boson masses between 25 and 80 GeV are probed. No evidence for a pseudoscalar boson is found and upper limits are set on the product of cross section and branching fraction to τ pairs between 7 and 39 pb at the 95% confidence level. This excludes pseudoscalar A bosons with masses between 25 and 80 GeV, with SM-like Higgs boson negative couplings to down-type fermions, produced in association with bb‾ pairs, in Type II, two-Higgs-doublet models.
Date issued
2016
URI
https://hdl.handle.net/1721.1/134314
Department
Massachusetts Institute of Technology. Department of Physics; Massachusetts Institute of Technology. Laboratory for Nuclear Science
Journal
Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics
Publisher
Elsevier BV
Citation
Khachatryan, V., et al. "Search for a Low-Mass Pseudoscalar Higgs Boson Produced in Association with a Bb[U+203e] Pair in Pp Collisions at vS=8 Tev." Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics 758 (2016): 296-320.
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