Speaker
Maria Vittoria Garzelli
Description
We describe the fit of top-quark mass values at NNLO using as input the double-differential distributions on rapidity and invariant mass of t-tbar pairs obtained by the ATLAS and CMS collaborations from unfolding of their experimental data to the parton level, compared to NNLO theory predictions.
We consider different state-of-the-art PDF sets, finding results of the fits compatible among each other within uncertainties.
On the other hand, we observe some tension between the fits to different datasets.
Contribution partly based on [arXiv:2311.05509], plus updates.
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Authors
Dr
Sergey Alekhin
(Hamburg University)
Maria Vittoria Garzelli
Sven-Olaf Moch
Javier Mazzitelli
(Paul Scherrer Institut (CH))
Oleksandr Zenaiev
