Volume 479 - The 11th International Workshop on Chiral Dynamics (CD2024) - Working Group 2 parallel session: Hadron Structure and Meson-Baryon Interactions
ChPT and Lattice QCD studies of doubly charmed baryons
Z.R. Liang, J.Y. Yi, L. Liu and D.L. Yao*
*: corresponding author
Full text: Not available
Abstract
The scattering lengths on the interactions between the spin-1/2 doubly charmed barons and Nambu-Goldstone bosons are of great importance for the investigation of the spectroscopy of the doubly charmed baryons. To that end, we have conducted a systematic analysis of the low-energy dynamics of doubly charmed baryons within the frameworks of chiral perturbation theory (ChPT) and lattice quantum chromodynamics (QCD). On the one hand, the $S$- and $P$-wave scattering lengths are predicted in a manifestly relativistic baryon ChPT at leading one-loop order. On the other hand, results of the $S$-wave scattering lengths for the elastic scattering channels are obtained in lattice QCD for the first time.
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