K0, Ξc0→Ξ-π+ and Ωc0→Ω-π+. The joint angular formulae for these processes are presented, and are used to extract the asymmetry parameters in e+e- annihilation data. Base on the current Λc+ data set collected at BESIII, we estimate the experimental sensitivities to measure the parameters αΛπ+ for Λc+→Λπ+, αΣ+π0 for Λc+→Σ+π0 and αΣ0π+ for Λc+→Σ0π+."> Charmed baryon decay asymmetry in e<sup>+</sup>e<sup>-</sup> annihilation -
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