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The evidence of ξ(2.2)

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Il Nuovo Cimento A (1965-1970)

Summary

The existence of ξ(2.2) was ascertained in three J/ψ radiative decay channels, such as K+K−, K 0s K 0s and ηη. The mass is 2.200±7, 2.206±15 and 2.202±16 GeV, respectively. The determination of spin parity is in progress.

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References

  1. K. F. Einsweiler: PhD Thesis, SLAC-Report-278 (1984).

  2. J. Augustin et al.: Contribution toInternational Symposium on Lepton-Photon Interaction at High Energies, Leipzig, 1984.

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Author information

Authors and Affiliations

  1. Institute of High Energy Physics, Academia Sinica, 100039, Beijing, PRC

    Xiaoling Fan

Authors
  1. Xiaoling Fan
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Consortia

BES Collaboration

Additional information

J/ψ data taken before joint IHEP-U.S. Collaboration (Jan. 1991), analyses performed by IHEP only.

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BES Collaboration., Fan, X. The evidence of ξ(2.2). Nuov Cim A 107, 1825–1828 (1994). https://doi.org/10.1007/BF02823576

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  • DOI: https://doi.org/10.1007/BF02823576

PACS 14.40

PACS 01.30.Cc

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