Phenomenology of $t\bar{t}j + X$ production at the LHC

Autor: Alioli, Simone, Fuster, Juan, Garzelli, Maria Vittoria, Gavardi, Alessandro, Irles, Adrian, Melini, Davide, Moch, Sven-Olaf, Uwer, Peter, Voß, Katharina
Rok vydání: 2022
Předmět:
Zdroj: JHEP 05 (2022) 146
Druh dokumentu: Working Paper
DOI: 10.1007/JHEP05(2022)146
Popis: We present phenomenological results for $t\bar{t}j + X$ production at the Large Hadron Collider, of interest for designing forthcoming experimental analyses of this process. We focus on those cases where the $t\bar{t}j + X$ process is considered as a signal. We discuss present theoretical uncertainties and the dependence on relevant input parameters entering the computation. For the ${\cal R}$ distribution, which depends on the invariant mass of the $t\bar{t}j$-system, we present reference predictions in the on-shell, $\overline{\mbox{MS}}$ and MSR top-quark mass renormalization schemes, applying the latter scheme to this process for the first time. Our conclusions are particularly interesting for those analyses aiming at extracting the top-quark mass from cross-section measurements.
Comment: 64 pages, LaTeX, 38 figures, 14 tables, slightly modified version, as in JHEP
Databáze: arXiv