Excited states of ϕ meson

In this paper, the excited states of the ϕ meson, especially containing the newly observed X(2000) with I(JP)=0(1−) by the BESIII Collaboration, is studied. In addition, Y(2175) as a ϕ meson excited state is investigated. The mass spectrum and strong decay behaviors of ϕ meson excited states are ana...

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Bibliographic Details
Published in:Physical review. D 2019-04, Vol.99 (7), p.1, Article 074015
Main Author: Pang, Cheng-Qun
Format: Article
Language:English
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Summary:In this paper, the excited states of the ϕ meson, especially containing the newly observed X(2000) with I(JP)=0(1−) by the BESIII Collaboration, is studied. In addition, Y(2175) as a ϕ meson excited state is investigated. The mass spectrum and strong decay behaviors of ϕ meson excited states are analyzed, which indicates that X(2000) and Y(2175) are the candidates of ϕ(3S) and ϕ(2D) states with I(JP)=0(1−), respectively. In addition, ϕ(1D) and ϕ(4S) are predicted to have the mass of 1.87 and 2.5 GeV and width of 440 and 940 MeV, respectively.
ISSN:2470-0010
2470-0029
DOI:10.1103/PhysRevD.99.074015