Author

Shu-Wei Zhang

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Preprint Jul 2026

Quantum numbers of excited $\Xi_c^\prime$ and $\Omega_c$ baryons and the $P$-wave $\Sigma_c$ spectrum

Heavy quark effective theory (HQET) permits seven $P$-wave states in each of the $\Sigma_c$, $\Xi_c^\prime$, and $\Omega_c$ flavor-sextet sectors, yet the experimentally visible spectra differ strikingly among the three sectors. We show that strong decays, kinematic thresholds, and configuration mixing act as a dynamic...

Xuan Luo, Shu-Wei Zhang, Hua-Xing Chen et al. · 0 citations

Preprint Aug 2026

Unified spectroscopy of $P$-wave flavor-sextet heavy baryons from QCD sum rules

We investigate the $P$-wave flavor-sextet charmed and bottom baryons within heavy quark effective theory. A key motivation is provided by the recent evidence for the $\Xi_c(2882)^0$, which completes a sequence of four narrow $\Xi_c$ structures together with the $\Xi_c(2923)^0$, $\Xi_c(2939)^0$, and $\Xi_c(2965)^0$. The...

Shu-Wei Zhang, Xuan Luo, Hua-Xing Chen et al. · 1 citation

Preprint Jul 2026

Quantum numbers of excited $\Xi_c^\prime$ and $\Omega_c$ baryons and the $P$-wave $\Sigma_c$ spectrum

Recent precision measurements of excited heavy baryons, combined with systematic theoretical studies, make it possible to resolve the fine structure of their spectra. We calculate the masses and strong-decay properties of the $P$-wave charmed baryons using QCD sum rules and light-cone sum rules within heavy quark effec...

Xuan Luo, Shu-Wei Zhang, Hua-Xing Chen et al. · 0 citations