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Study of charmonium spectroscopy at BESIII

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(12.10.2011)

Аннотация

In this talk, we will present the results on the charmonium spin singlet states below the open charm threshold, including h\_c, \eta\_c, and \eta\_c(2S). The masses, widthes, and production rates of these states will be reported. The results are based on a data sample of 106 million \psi' events collected with the BESIII experiments at the BEPCII collider.

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