Evidence of the four-quark nature of f0 (980) and f0 (500)

N. N. Achasov, J. V. Bennett, A. V. Kiselev, E. A. Kozyrev, G. N. Shestakov

Research output: Contribution to journalArticlepeer-review

3 Citations (Scopus)

Abstract

There exists a great deal of concrete evidence in favor of the exotic four-quark nature of light scalars. At the same time, the further expansion of the area of the q2q¯2 model validity for light scalars on ever new processes seems extremely interesting and important. We analyze the BESIII data on the decay J/ψ→γπ0π0 and show that the results of this high-statistics experiment can be interpreted in favor of the four-quark nature of light scalar mesons f0(980) and f0(500).

Original languageEnglish
Article number014010
Number of pages5
JournalPhysical Review D
Volume103
Issue number1
DOIs
Publication statusPublished - 11 Jan 2021

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