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Phenomenology 2015 Symposium

May 4 – 6, 2015
University of Pittsburgh
US/Eastern timezone

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Session

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May 5, 2015, 2:00 PM
University of Pittsburgh

University of Pittsburgh

Pittsburgh, PA 15260

Conveners

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  • Gregory Mahlon

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  1. 106. Probing top-quark couplings at NLO accuracy
    Cen Zhang (Brookhaven National Laboratory)
    5/5/15, 2:00 PM
    parallel talk
    Computations at next-to-leading order (NLO) in the standard model offer new technical challenges in the presence of higher dimensional operators. I will present a framework that, starting from the top-quark effective field theory, allows one to make predictions for cross sections as well as distributions in a fully automatic way. Therefore in this framework one can easily obtain NLO...
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  2. 195. Top quark pair production measurements using the ATLAS detector at the LHC
    Ki Lie (Univ. Illinois at Urbana-Champaign (US))
    5/5/15, 2:15 PM
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    parallel talk
    Measurements of the inclusive top quark pair production cross sections in proton-proton collisions with the ATLAS detector at the Large Hadron Collider are presented. The most precise result requires opposite sign electrons and muons and uses the full data-set at a centre-of-mass energy of 7 and 8 TeV. In addition, differential measurements of the top transverse momentum and...
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  3. 196. Top quark pair properties using the ATLAS detector at the LHC
    Bruno Galhardo (Universidade de Coimbra (PT))
    5/5/15, 2:30 PM
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    parallel talk
    The latest measurements of the properties of the top quark using the ATLAS experiment are presented. The top quark mass is one of the fundamental parameters of the Standard Model. A measurement based on a multi-dimensional template fit that can constrain the uncertainties on the energy measurements of jets is presented and combined with a measurement using dilepton events. In addition,...
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  4. 33. New measurements of ttW and ttZ at CMS
    Andrew Brinkerhoff (University of Notre Dame (US))
    5/5/15, 2:45 PM
    parallel talk
    New measurements of top quark pair production in association with a W or Z boson are presented, using 19.5 fb−1 of 8 TeV pp collision data collected by the CMS experiment at the CERN LHC. Final states with opposite-sign, same-sign, three, and four charged leptons plus b-tagged jets are examined. Signal ttW and ttZ events are identified by reconstructing the top quark pair, yielding the most...
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  5. 210. Single Top quark production cross section and properties using the ATLAS detector at the LHC
    Kevin Sapp (University of Pittsburgh (US))
    5/5/15, 3:00 PM
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    parallel talk
    Measurements of single top-quark production in proton proton collisions at 7 and 8 TeV are presented. In the leading order process, a W boson is exchanged in the t-channel. The single top-quark and anti-top total production cross sections, their ratio, as well as a measurement of the inclusive production cross section is presented. In addition, a measurement of the production cross...
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