The -puzzle solved by means of quark model predictionsE. Santopinto, A. Giachino, J. Ferretti, H. García-Tecocoatzi, M. A. Bedolla, R. Bijker and E. Ortiz-PachecoEur. Phys. J. C, 79 12 (2019) 1012DOI: https://doi.org/10.1140/epjc/s10052-019-7527-4