https://doi.org/10.1140/epja/s10050-023-00996-8
Letter
On the decay widths of radially excited scalar meson
in view of new experimental data
1
Bogoliubov Laboratory of Theoretical Physics, JINR, 141980, Dubna, Moscow region, Russia
2
The Institute of Nuclear Physics, 050032, Almaty, Kazakhstan
3
L. N. Gumilyov Eurasian National University, 010008, Astana, Kazakhstan
Received:
13
December
2022
Accepted:
30
March
2023
Published online:
15
April
2023
Decays of scalar mesons and
are described in the extended
Nambu–Jona–Lasinio chiral quark model. The obtained results are in satisfactory agreement with the new experimental data obtained by the BaBar collaboration, which markedly differ from the existing values in the PDG.
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