CMS Collaboration; Hayrapetyan, A.; ACHARYA, S.; ALPANA, A.; DUBE, SOURABH|GOMBER, B.; KANSAL, B.; LAHA, A.; SAHU, B. SHARMA, SEEMA; VAISH, K. Y. et al.
(Springer Nature, 2025-08)
Despite the f0(980) hadron having been discovered half a century ago, the question about its quark content has not been settled: it might be an ordinary quark-antiquark () meson, a tetraquark () exotic state, a kaon-antikaon ...