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NLO QCD corrections for off-shell $t\bar{t}b\bar{b}$

Michele Lupattelli

SciPost Phys. Proc. 7, 006 (2022) · published 20 June 2022

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We present a full off-shell NLO QCD calculation of $pp \rightarrow e^+ \nu_e b \mu^- \bar{\nu}_\mu \bar{b} b \bar{b} + X$. Results are obtained using the \textsc{Helac-Nlo} Monte Carlo framework. We discuss a comparison to previous results and to experimental measurements. We also investigate the contribution of the initial states involving $b$-quarks and we introduce two $b$-jet tagging schemes.

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