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Search for a CP-odd Higgs boson decaying to Zh in pp collisions at √(s=8 TeV) with the ATLAS detector
Pacheco Pages, Andres (Universitat Autònoma de Barcelona. Departament de Física)
Atlas Collaboration

Date: 2015
Abstract: A search for a heavy, CP-odd Higgs boson, A, decaying into a Z boson and a 125 GeV Higgs boson, h, with the ATLAS detector at the LHC is presented. The search uses proton-proton collision data at a centre-of-mass energy of 8 TeV corresponding to an integrated luminosity of 20. 3 fb¯¹. Decays of CP-even h bosons to ττ or bb pairs with the Z boson decaying to electron or muon pairs are considered, as well as h→bb decays with the Z boson decaying to neutrinos. No evidence for the production of an A boson in these channels is found and the 95% confidence level upper limits derived for σ(gg → A) x BR (A → Zh) x BR (h → fḟ) are 0. 098-0. 013 pb for f=τ and 0. 57-0. 014 pb for f=b in a range of mA=220-1000 GeV. The results are combined and interpreted in the context of two-Higgs-doublet models.
Rights: Aquest document està subjecte a una llicència d'ús Creative Commons. Es permet la reproducció total o parcial, la distribució, la comunicació pública de l'obra i la creació d'obres derivades, fins i tot amb finalitats comercials, sempre i quan es reconegui l'autoria de l'obra original. Creative Commons
Language: Anglès
Document: Article ; recerca ; Versió publicada
Subject: BSM Higgs boson ; ATLAS
Published in: Physics letters. B, Vol. 744 (05 2015) , p. 163-183, ISSN 0370-2693

DOI: 10.1016/j.physletb.2015.03.054


21 p, 2.8 MB

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Articles > Research articles
Articles > Published articles

 Record created 2015-06-16, last modified 2022-04-28



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