Search for a CP-odd Higgs boson decaying to Zh in pp collisions at √s = 8 TeV with the ATLAS detector

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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	3 MB	Adobe Acrobat PDF	View Details	Download
DOI Доступ к ресурсу на сайте издателя				10.1016/j.physletb.2015.03.054

Title: Search for a CP-odd Higgs boson decaying to Zh in pp collisions at √s = 8 TeV with the ATLAS detector
Creator: Aad, G.
Creator: Abdallah, J.
Creator: Chelkov, G. A.
Creator: Abbott, B.
Contributor: Томский государственный университет Радиофизический факультет Научные подразделения РФФ
Subject: Хиггса бозон
Большой адронный коллайдер
Date: 2015
DOI: 10.1016/j.physletb.2015.03.054
Description: A search for a heavy, CP-odd Higgs boson, A, decaying into a Zboson and a 125GeV 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 8TeV corresponding to an integrated luminosity of 20.3fb−1. Decays of CP-even hbosons to ττor bbpairs with the Zboson decaying to electron or muon pairs are considered, as well as h →bbdecays with the Zboson decaying to neutrinos. No evidence for the production of an Aboson in these channels is found and the 95% confidence level upper limits derived for σ(gg→A) ×BR(A →Zh) ×BR(h →f¯f)are 0.098–0.013pb for f=τand 0.57–0.014pb for f=bin a range of mA=220–1000GeV. The results are combined and interpreted in the context of two-Higgs-doublet models.

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collection(s): Радиофизический факультет
Identifier: vtls:000526558
http://vital.lib.tsu.ru/vital/access/manager/Repository/vtls:000526558
Type: статьи в журналах
Source: Physics Letters B. 2015. Vol. 744. P. 163-183
Language: eng

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Радиофизический факультет Search for a CP-odd Higgs boson decaying to Zh in pp collisions at √s = 8 TeV with the ATLAS detector