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arXiv · 1311.3370

Experimental overview of charmonium spectroscopy

Jingzhi Zhang
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Abstract

In this talk, I review the recent experimental results on charmonium spectroscopy from BESIII, Belle, BaBar and CLEOc. Below the open-charm threshold, the masses and widths of spin-singlet states eta_c, eta_c(2S), h_c are measured with high precision. Above the threshold, chi_{c2}(2P) is identified in the process gamma gamma -> chi_{c2}(2P) -> gamma D bar{D}; Evidence of X(3823) is found in the M(chi_{c1} gamma) invariant-mass distribution for B -> gamma chi_{c1} K decays, the measured properties are consistent with the missing psi_2(1^{2}D_2) state.

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Jingzhi Zhang. 2013-11-14. Experimental overview of charmonium spectroscopy. https://arxiv.org/abs/1311.3370

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