Potential higher radial excitations in the light pseudoscalar meson family

Inspired by the event accumulation around 2.6 GeV in the \(\eta^\prime\pi^+\pi^-\) invariant mass spectrum of \(J/\psi\to \gamma \eta^\prime\pi^+\pi^-\), which was reported by the BESIII Collaboration, we carry out the study of the mass spectrum and decay behavior of four radial excitations in the p...

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Bibliographic Details
Published in:arXiv.org 2020-12
Main Authors: Li-Ming, Wang, Qin-Song, Zhou, Cheng-Qun Pang, Liu, Xiang
Format: Article
Language:English
Subjects:
Excitation
Kaons
Pions
Online Access:Get full text
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Summary:Inspired by the event accumulation around 2.6 GeV in the \(\eta^\prime\pi^+\pi^-\) invariant mass spectrum of \(J/\psi\to \gamma \eta^\prime\pi^+\pi^-\), which was reported by the BESIII Collaboration, we carry out the study of the mass spectrum and decay behavior of four radial excitations in the pseudoscalar meson family, which include \(\eta^{(\prime)}(6S)\) and \(\eta^{(\prime)}(7S)\). Combining with these analysis, we present the calculation of the reactions induced by a pion or kaon on the proton target which are relevant to these four discussed states. According to this information, we give concrete experimental suggestion of searching for them, which will become a new task for future experiments.
ISSN:2331-8422
DOI:10.48550/arxiv.2010.05132