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Combined analysis of Z' -> t tbar and Z' -> t tbar j production for vector resonance searches at LHC
F. del Aguila, J. A. Aguilar-Saavedra, M. Moretti +3
We have implemented a code for Z' + n jets production in ALPGEN, with Z' decays into several final states, including l+ l- and t tbar. The MLM prescription is used for matching the…
Feynman rules for the rational part of the Electroweak 1-loop amplitudes
M. V. Garzelli, I. Malamos, R. Pittau
We present the complete set of Feynman rules producing the rational terms of kind R_2 needed to perform any 1-loop calculation in the Electroweak Standard Model. Our results are gi…
Assault on the NLO Wishlist: pp -> tt bb
G. Bevilacqua, M. Czakon, C. G. Papadopoulos +2
We present the results of a next-to-leading order calculation of QCD corrections to the production of an on-shell top-anti-top quark pair in association with two flavored b-jets. B…
Feynman Rules for the Rational Part of the QCD 1-loop amplitudes
P. Draggiotis, M. V. Garzelli, C. G. Papadopoulos +1
We compute the complete set of Feynman Rules producing the Rational Terms of kind R_2 needed to perform any QCD 1-loop calculation. We also explicitly check that in order to accoun…
Automated one-loop calculations: a proof of concept
A. van Hameren, C. G. Papadopoulos, R. Pittau
An algorithm, based on the OPP reduction method, to automatically compute any one-loop amplitude, for all momentum, color and helicity configurations of the external particles, is…