Evidence of the four-quark nature of $f_0(980)$ and $f_0(500)$

no code implementations • 9 Sep 2020 • N. N. Achasov, J. V. Bennett, A. V. Kiselev, E. A. Kozyrev, G. N. Shestakov

There exists a great deal of concrete evidence in favor of the exotic four-quark nature of light scalars.

High Energy Physics - Phenomenology High Energy Physics - Experiment Nuclear Theory