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- W4385890282 abstract "We systematically analyze the two-body nonleptonic weak decays of charmed baryons, employing the pole approximation in tandem with the $SU(3)_F$ symmetry. Leveraging the Korner-Patti-Woo theorem, we demonstrate a significant reduction in the number of free parameters. Within the general pole scenario, we successfully explain most of the experimental data of ${bf B}_c^A to {bf B}_nP$, though some inconsistencies are detected and recommended for reexamination in future research. Assuming the dominance of low-lying intermediate baryons, we are able to make novel predictions for decay channels such as $Omega_c^0 to {bf B}_n P$ and ${bf B}_{cc}to {bf B}_c^{A,S} P$. Here, ${bf B}_n$, ${bf B}_{c}^A$, ${bf B}_c^S$ and ${bf B}_{cc}$ are the low-lying octet, antitriplet charmed, sextet charmed and doubly charmed baryons, respectively, and $P$ is the pseudoscalar meson. Our findings also reveal that the fitted effective Wilson coefficient ${cal C}_+=0.469$ is notably smaller than the naive expectation, and the low-lying pole scenario fails to account for ${cal B}(Lambda_c^+ to n pi^+ , Xi^0 K^+)$ , despite consistencies with the soft meson limit. We further recommend the decay channel $Xi_{cc}^+ to Xi_c^0 pi^+ to Xi^- pi^+pi^+pi^+pi^-$ for exploring evidence of $Xi_{cc}^+$, estimating the branching fraction at $(1.1pm 0.6)times 10^{-3}$. The predictions for nonleptonic weak decay channels are compiled in the appendices, providing valuable references for future experimental validation." @default.
- W4385890282 created "2023-08-17" @default.
- W4385890282 creator A5071382114 @default.
- W4385890282 date "2023-08-15" @default.
- W4385890282 modified "2023-09-27" @default.
- W4385890282 title "Nonleptonic two-body weak decays of charmed baryons" @default.
- W4385890282 doi "https://doi.org/10.48550/arxiv.2308.07754" @default.
- W4385890282 hasPublicationYear "2023" @default.
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