Fate of Light Scalar Mesons

Abstract

It is shown that all predictions for the light scalars, based on their four-quark nature, are supported by experiment. The future research program is outlined also.

Comments: 10 pages, 14 figures, Invited talk at the International Conference "Problems of Theoretical and Mathematical Physics" dedicated to the 110th anniversary of the birth of the outstanding Russian scientist - mathematician and physicist Nikolai Nikolaevich Bogolyubov, JINR, Dubna, September 11 - 13, 2019. arXiv admin note: text overlap with arXiv:1807.00179