Investigating the η1′(1855) exotic state in the J/ψ→η1′(1855)η(′) decays

Investigating the η1′(1855) exotic state in the J/ψ→η1′(1855)η(′) decays

An analysis of the J/ψ→ηη′γ decay by the BESIII collaboration claims the observation of an exotic state η1(1855) with IGJPC=0+1−+. To establish its C-parity partner η1′(1855) in the picture of the KK¯1(1400) molecular state, we propose that J/ψ→η1′(1855)η(′) receives the main contributions from the...

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Bibliographic Details
Main Authors:	Yao Yu, Zhuang Xiong, Han Zhang, Bai-Cian Ke, Yi Teng, Qing-Shan Liu, Jia-Wei Zhang
Format:	Article
Language:	English
Published:	Elsevier 2023-07-01
Series:	Physics Letters B
Online Access:	http://www.sciencedirect.com/science/article/pii/S037026932300299X

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