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Direct top-quark de...
Direct top-quark decay width measurement in the t(t)over-bar lepton plus jets channel at root s=8 TeV with the ATLAS experiment
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Aaboud, M. (author)
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- Bergeås, Elin Kuutmann (author)
- Uppsala universitet,Högenergifysik
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- Bokan, Petar (author)
- Uppsala universitet,Högenergifysik,Georg August Univ, Phys Inst 2, Gottingen, Germany
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- Brenner, Richard (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 (author)
- Uppsala universitet,Högenergifysik
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- Gradin, P.O. Joakim (author)
- Uppsala universitet,Högenergifysik
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- Isacson, Max (author)
- Uppsala universitet,Högenergifysik
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- Mårtensson, Mikael (author)
- Uppsala universitet,Högenergifysik
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- Öhman, Henrik (author)
- Uppsala universitet,Högenergifysik
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- Rangel-Smith, Camilla (author)
- Uppsala universitet,Högenergifysik
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- Sales De Bruin, Pedro (author)
- Uppsala universitet,Högenergifysik
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Zwalinski, L. (author)
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- Kastanas, Konstatinos A. (author)
- KTH,Partikel- och astropartikelfysik
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- Lund-Jensen, Bengt (author)
- KTH,Partikel- och astropartikelfysik
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- Ohm, Christian (author)
- KTH,Partikel- och astropartikelfysik
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- Ripellino, Giulia (author)
- KTH,Partikel- och astropartikelfysik
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- Sidebo, P. Edvin (author)
- KTH,Partikel- och astropartikelfysik
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- Strandberg, Jonas (author)
- KTH,Partikel- och astropartikelfysik
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(creator_code:org_t)
- 2018-02-15
- 2018
- English.
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In: European Physical Journal C. - : Springer Science and Business Media LLC. - 1434-6044 .- 1434-6052. ; 78
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https://uu.diva-port... (primary) (Raw object)
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Abstract
Subject headings
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- This paper presents a direct measurement of the decay width of the top quark using t (t) over bar events in the lepton+jets final state. The data sample was collected by the ATLAS detector at the LHC in proton-proton collisions at a centre-of-mass energy of 8 TeV and corresponds to an integrated luminosity of 20.2 fb(-1). The decay width of the top quark is measured using a template fit to distributions of kinematic observables associated with the hadronically and semileptonically decaying top quarks. The result, Gamma(t) = 1.76 +/- 0.33 (stat.) (+0.79)(-0.68) (syst.) GeV for a top-quark mass of 172.5 GeV, is consistent with the prediction of the Standard Model.
Subject headings
- NATURVETENSKAP -- Fysik -- Subatomär fysik (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences -- Subatomic Physics (hsv//eng)
- 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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Aaboud, M.
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Bergeås, Elin Ku ...
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Bokan, Petar
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Brenner, Richard
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Ekelöf, Tord
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Ellert, Mattias
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Ferrari, Arnaud
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Gradin, P.O. Joa ...
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Isacson, Max
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Mårtensson, Mika ...
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Öhman, Henrik
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Rangel-Smith, Ca ...
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Sales De Bruin, ...
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Zwalinski, L.
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Kastanas, Konsta ...
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Lund-Jensen, Ben ...
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Ohm, Christian
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Ripellino, Giuli ...
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Sidebo, P. Edvin
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Strandberg, Jona ...
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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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and Subatomic Physic ...
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- NATURAL SCIENCES
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NATURAL SCIENCES
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and Physical Science ...
- Articles in the publication
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European Physica ...
- By the university
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Uppsala University
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Royal Institute of Technology