tt̅bb̅ at NLO precision in a variable flavor number scheme
arxiv(2024)
摘要
Top-quark pair production in association with two b-jets is computed at
next-to-leading order QCD precision, including effects of the b-quark mass, and
matched to a tt̅+jets simulation in a variable flavor number scheme. The
Monte Carlo realization of this method, called fusing, consistently embeds the
four-flavor calculation in a particle-level event generator. As a first
phenomenological application, we present observables relevant to the
data-driven estimation of irreducible backgrounds to tt̅H-production.
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