We compute the contribution of order alpha(2)(S)alpha(2) to the cross section of a top-antitop pair in association with at least one heavy Standard Model boson - Z, W-+/-, and Higgs - by including all effects of QCD, QED, and weak origin and by working in the automated MADGRAPH5_AMC@NLO framework. This next-to-leading order contribution is then combined with that of order alpha(3)(S)alpha, and with the two dominant lowest-order ones, alpha(2)(S)alpha and alpha(S)alpha(2), to obtain phenomenological results relevant to a 8, 13, and 100TeV pp collider.
Electroweak and QCD corrections to top-pair hadroproduction in association with heavy bosons / S. Frixione, V. Hirschi, D. Pagani, H.-. Shao, M. Zaro. - In: JOURNAL OF HIGH ENERGY PHYSICS. - ISSN 1029-8479. - 2015:6(2015), pp. 184.1-184.28.
Electroweak and QCD corrections to top-pair hadroproduction in association with heavy bosons
D. Pagani;M. Zaro
2015
Abstract
We compute the contribution of order alpha(2)(S)alpha(2) to the cross section of a top-antitop pair in association with at least one heavy Standard Model boson - Z, W-+/-, and Higgs - by including all effects of QCD, QED, and weak origin and by working in the automated MADGRAPH5_AMC@NLO framework. This next-to-leading order contribution is then combined with that of order alpha(3)(S)alpha, and with the two dominant lowest-order ones, alpha(2)(S)alpha and alpha(S)alpha(2), to obtain phenomenological results relevant to a 8, 13, and 100TeV pp collider.
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