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Strangeonium spectrum with the screening effects and interpretation of h1(1911) and X(2300) observed by BESIII

2024/12/16 by Hao, Wei, Sultan, M. Atif, Liu, Li-Juan +1 · 1 citation
#FOS: Physical sciences #High Energy Physics - Phenomenology (hep-ph)

paper · doi:10.48550/arxiv.2412.11498

Abstract

Motivated by two news states h1(1911) and X(2300) observed by BESIII, we have investigated the mass spectrum and the strong decay properties of the strangeonium mesons within the modified Godfrey-Isgur model by considering the screening effects. We have determined the free parameters using the masses and widths of the well established ss states ϕ(1020), ϕ(1680), h1(1415), f2^′(1525), and ϕ3(1850). According to our results, h1(1911) and X(2300) could be well explained as states h1(21P1) and h1(31P1) ss states, respectively. Meanwhile, the possible assignments of X(2000), η2(1870), and ϕ(2170) as 33S1, 11D2, and 23D1 are also discussed. Furthermore, the masses and widths of the 2S, 3S, 1P, 2P, 3P, 1D, and 2D ss states are also given and compared with various theoretical predictions, which is helpful for the observations and confirmations of these states in future.

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