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Search for Higgs bo...
Search for Higgs bosons decaying to aa in the μμττ final state in pp collisions at √s = 8 TeV with the ATLAS experiment
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Aad, G. (author)
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- Bergeås Kuutmann, Elin, 1980- (author)
- Uppsala universitet,Högenergifysik
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- Brenner, Richard (author)
- Uppsala universitet,Högenergifysik
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- Buszello, Claus P. (author)
- Uppsala universitet,Högenergifysik
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- Ekelöf, Tord (author)
- Uppsala universitet,Högenergifysik
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- Ellert, Mattias (author)
- Uppsala universitet,Högenergifysik
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- Ferrari, Arnaud, 1973- (author)
- Uppsala universitet,Högenergifysik
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- Isaksson, Charlie (author)
- Uppsala universitet,Högenergifysik
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- Madsen, Alexander (author)
- Uppsala universitet,Högenergifysik
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- Öhman, Henrik (author)
- Uppsala universitet,Högenergifysik
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- Pelikan, Daniel (author)
- Uppsala universitet,Högenergifysik
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- Rangel-Smith, Camilla (author)
- Uppsala universitet,Högenergifysik
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Zwalinski, L. (author)
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(creator_code:org_t)
- 2015
- 2015
- English.
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In: Physical Review D. - 1550-7998 .- 1550-2368. ; 92:5
- Related links:
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https://doi.org/10.1...
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https://uu.diva-port... (primary) (Raw object)
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https://urn.kb.se/re...
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https://doi.org/10.1...
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Abstract
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- A search for the decay to a pair of new particles of either the 125 GeV Higgs boson (h) or a second charge parity (CP)-even Higgs boson (H) is presented. The data set corresponds to an integrated luminosity of 20.3 fb−1 of pp collisions at √s=8 TeV recorded by the ATLAS experiment at the LHC in 2012. The search was done in the context of the next-to-minimal supersymmetric standard model, in which the new particles are the lightest neutral pseudoscalar Higgs bosons (a). One of the two a bosons is required to decay to two muons while the other is required to decay to two τ leptons. No significant excess is observed above the expected backgrounds in the dimuon invariant mass range from 3.7 to 50 GeV. Upper limits are placed on the production of h→aa relative to the standard model gg→h production, assuming no coupling of the a boson to quarks. The most stringent limit is placed at 3.5% for ma=3.75 GeV. Upper limits are also placed on the production cross section of H→aa from 2.33 to 0.72 pb, for fixed ma=5 GeV with mH ranging from 100 to 500 GeV.
Subject headings
- NATURVETENSKAP -- Fysik (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences (hsv//eng)
Publication and Content Type
- ref (subject category)
- art (subject category)
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- By the author/editor
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Aad, G.
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Bergeås Kuutmann ...
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Brenner, Richard
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Buszello, Claus ...
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Ekelöf, Tord
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Ellert, Mattias
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Ferrari, Arnaud, ...
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Isaksson, Charli ...
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Madsen, Alexande ...
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Öhman, Henrik
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Pelikan, Daniel
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Rangel-Smith, Ca ...
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Zwalinski, L.
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- About the subject
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- NATURAL SCIENCES
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NATURAL SCIENCES
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and Physical Science ...
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Physical Review ...
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Uppsala University