@article{10272/27362,
year = {2025},
url = {https://hdl.handle.net/10272/27362},
abstract = {We investigate the internal structure of a comprehensive set of pseudoscalar and vector mesons, including both flavor-symmetric and flavor-asymmetric systems, by reconstructing their charge distributions from electromagnetic form factors. To achieve this, we employ a Maximum Entropy Method optimized for charge distributions, utilizing previously published form factor data obtained within the Dyson–Schwingers and Bethe–Salpeter equations framework. Furthermore, we calculate the average distance between the valence quark and antiquark that constitute the meson, interpreting it as an estimate for both the meson’s spatial size and the typical range of quark motion. Our results reveal that this distance for the lightest quarkonia is approximately five times larger than that for the heaviest. Moreover, due to spin effects, vector mesons exhibit sizes that are 5–15% larger than their pseudoscalar counterparts.},
organization = {This work has been partially funded by Ministerio Español de Ciencia e Innovación under grant Nos. PID2019-107844GB-C22 and PID2022- 140440NB-C22; Junta de Andalucía under contract Nos. Operativo FEDER Andalucía 2014–2020 UHU-1264517, P18-FR-5057 and also PAIDI FQM-370. The authors acknowledge, too, the use of the computer facilities of C3UPO at the Universidad Pablo de Olavide, de Sevilla.},
publisher = {Elsevier},
title = {Imaging the charge distributions of flavor-symmetric and -asymmetric mesons},
doi = {10.1016/j.physletb.2025.139864},
author = {Xu, Yinzhen and Bashir, Adnan and Raya, Khépani and Rodríguez Quintero, José and Segovia González, Jorge},
}