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Precise measurement of the top quark mass in the dilepton channel at D0

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    0367820 - FZÚ 2013 RIV US eng J - Journal Article
    Abazov, V. M. - Abbott, B. - Acharya, B.S. - Kupčo, Alexander - Lokajíček, Miloš … Total 421 authors
    Precise measurement of the top quark mass in the dilepton channel at D0.
    Physical Review Letters. Roč. 107, č. 8 (2011), "082004-1"-""082004-7". ISSN 0031-9007. E-ISSN 1079-7114
    R&D Projects: GA MŠMT LA08047
    Institutional research plan: CEZ:AV0Z10100502
    Keywords : D0 * Tevatron * dilepton * anti-p p
    Subject RIV: BF - Elementary Particles and High Energy Physics
    Impact factor: 7.370, year: 2011

    We measure the top quark mass (mt) in ppbar collisions at a center of mass energy of 1.96 TeV using dilepton ttbar->W+bW-bbar->l+nubl-nubarbbar events, where l denotes an electron, a muon, or a tau that decays leptonically. The data correspond to an integrated luminosity of 5.4 fb-1 collected with the D0 detector at the Fermilab Tevatron Collider. We obtain mt = 174.0 +- 1.8(stat) +- 2.4(syst) GeV, which is in agreement with the current world average mt = 173.3 +- 1.1 GeV. This is currently the most precise measurement of mt in the dilepton channel.
    Permanent Link: http://hdl.handle.net/11104/0202366

     
     
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