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Anomalous coupling, top-mass and parton-shower effects in W + W − production
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نویسنده
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Bellm J. ,Gieseke S. ,Greiner N. ,Heinrich G. ,Plätzer S. ,Reuschle C. ,Soden-Fraunhofen J. F. von
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منبع
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journal of high energy physics - 2016 - دوره : 2016 - شماره : 5 - صفحه:1 -29
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چکیده
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We calculate the process $$ ppto {w}^{+}{w}^{-}to {e}^{+}{nu}_e{mu}^{-}{overline{nu}}_{mu } $$ at nlo qcd, including also effective field theory (eft) operators mediating the ggw + w − interaction, which first occur at dimension eight. we further combine the nlo and eft matrix elements produced by gosam with the herwig7/matchbox framework, which offers the possibility to study the impact of a parton shower. we assess the effects of the anomalous couplings by comparing them to top-mass effects as well as uncertainties related to variations of the renormalisation, factorisation and hard shower scales.
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کلیدواژه
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NLO Computations ,QCD Phenomenology
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آدرس
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Durham University, UK, Karlsruhe Institute of Technology, Germany, Universität Zürich, Switzerland, Max-Planck-Institut für Physik, Germany, Durham University, UK. University of Manchester, Particle Physics Group, UK, Karlsruhe Institute of Technology, Germany. Florida State University, HEP Theory Group, Physics Department, USA, Max-Planck-Institut für Physik, Germany
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Authors
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