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.

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

References in corpus (4)

• Lightest scalar and tensor resonances in $\gamma \gamma \to \pi \pi$ after the Belle experiment
• Lightest scalar in the SU_L(2)*SU_R(2) linear σmodel
• Isospin mixing in the nucleon and 4He and the nucleon strange electric form factor
• Reply to the "Comment on `Once more about the $K\bar{K}$ molecule approach to the light scalars' "

Cited by in corpus (3)

• Evidence of the four-quark nature of $f_0(980)$ and $f_0(500)$
• Semileptonic decays $D\to \eta \pi e^{+}{\nu }_e$ in the $a_0(980)$ region
• Roles of the scalar $f_0(500)$ and $f_0(980)$ in the process $D^0\to {\pi }^0{\pi }^0{\bar{K}}^0$