Author

Sheng-Xi Zhang

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Preprint Nov 2026

Next-to-leading order QCD corrections to fully charm tetraquark radiative decays

We present the first complete next-to-leading-order (NLO) QCD calculation of the fully charm tetraquark radiative decays $T_{4c}(0^{++},2^{++})\to\gamma J/\psi$ and $T_{4c}(1^{+-})\to\gamma\eta_c$ at leading order in the relative velocity. The NLO widths are $2.3$--$3.1$ times the leading-order (LO) widths for the long...

Xiang Li, Yan-Qing Ma, Bo-Xuan Shi et al. · 0 citations

Open access Sep 2026

Discriminating baryonium and final-state-interaction interpretations of $X(2356)$

We revisit the $X(2356)$ enhancement observed by BESIII in $e^+e^-\to\Lambda\bar\Lambda\eta$ from the viewpoint of near-threshold dynamics. Motivated by the possibility of light $\Lambda\bar\Lambda$ baryonium, we compare this interpretation with final-state-interaction (FSI) explanations within a minimal FSI-dressed...

Bing-Dong Wan, Sheng-Xi Zhang · Chinese Physics C, High Ener... · 0 citations