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Top-quark mass interpretation from simulation of top-flavoured mesons
Abstract
The interpretation of the top quark mass measurements in terms of well-known field theory definitions has been the topic of a long-standing discussion. In this paper we reconsider this issue and simulate fictitious top-flavoured mesons, whose mass can be related to any top mass definition, such as the pole mass, by means of Heavy Quark Effective Theory. We explore final-state observables for top-pair production in e+e- and hadron collisions, and relate the top mass in standard tt̅ events to the pole mass extracted from top-meson samples simulated with Pythia 8.3. Our results are in agreement with the expectation of an uncertainty about $200−300$ MeV, hence of the order of ΛQCD.
Versions
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BibTeX
@misc{corcella2026topquark,
title = {{Top-quark mass interpretation from simulation of top-flavoured mesons}},
author = {Gennaro Corcella and Alexander Lind},
howpublished = {arXiv},
year = {2026},
month = nov,
doi = {10.48550/arxiv.2607.24935},
eprint = {2607.24935},
archivePrefix = {arXiv},
url = {https://arxiv.org/abs/2607.24935},
}
RIS
TY - UNPB
TI - Top-quark mass interpretation from simulation of top-flavoured mesons
AU - Gennaro Corcella
AU - Alexander Lind
PY - 2026
DA - 2026/11/02
PB - arXiv
DO - 10.48550/arxiv.2607.24935
UR - https://arxiv.org/abs/2607.24935
AB - The interpretation of the top quark mass measurements in terms of well-known field theory definitions has been the topic of a long-standing discussion. In this paper we reconsider this issue and simulate fictitious top-flavoured mesons, whose mass can be related to any top mass definition, such as the pole mass, by means of Heavy Quark Effective Theory. We explore final-state observables for top-pair production in e^+e^- and hadron collisions, and relate the top mass in standard tt̅ events to the pole mass extracted from top-meson samples simulated with Pythia 8.3. Our results are in agreement with the expectation of an uncertainty about $200−300$ MeV, hence of the order of Λ_QCD.
ER -