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Search for a light charged Higgs boson in the decay channel H+ -> c(s)over-bar in t(t)over-bar events using pp collisions at root s=7 TeV with the ATLAS detector
KTH, School of Engineering Sciences (SCI), Physics, Particle and Astroparticle Physics.
KTH, School of Engineering Sciences (SCI), Physics, Particle and Astroparticle Physics.
KTH, School of Engineering Sciences (SCI), Physics, Particle and Astroparticle Physics.
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2013 (English)In: European Physical Journal C, ISSN 1434-6044, E-ISSN 1434-6052, Vol. 73, no 6, 2465- p.Article in journal (Refereed) Published
Abstract [en]

A search for a charged Higgs boson (H+) in t (t) over bar decays is presented, where one of the top quarks decays via t -> H(+)b, followed by H+ -> two jets (c (s) over bar). The other top quark decays to Wb, where the W boson then decays into a lepton (e/mu) and a neutrino. The data were recorded in pp collisions at root s = 7 TeV by the ATLAS detector at the LHC in 2011, and correspond to an integrated luminosity of 4.7 fb(-1). With no observation of a signal, 95 % confidence level (CL) upper limits are set on the decay branching ratio of top quarks to charged Higgs bosons varying between 5 % and 1 % for H+ masses between 90 GeV and 150 GeV, assuming B(H+ -> c (s) over bar) = 100 %.

Place, publisher, year, edition, pages
2013. Vol. 73, no 6, 2465- p.
Keyword [en]
Models, Phenomenology, Energies, Mssm, Mass, LHC, LEP
National Category
Physical Sciences
Identifiers
URN: urn:nbn:se:kth:diva-127524DOI: 10.1140/epjc/s10052-013-2465-zISI: 000321855400020Scopus ID: 2-s2.0-84880607030OAI: oai:DiVA.org:kth-127524DiVA: diva2:644488
Funder
Swedish Research Council
Note

QC 20130830. Author count: 2894

Available from: 2013-08-30 Created: 2013-08-30 Last updated: 2017-12-06Bibliographically approved

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Strandberg, Jonas

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Jovicevic, JelenaKuwertz, EmmaLund-Jensen, BengtStrandberg, Jonas
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