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Weak decay ofΛc+for the study ofΛ(1405)andΛ(1670)
2015
Physical Review C
We study the Lambda_c decay process to pi^+ and the meson-baryon final state for the analysis of Lambda resonances. Considering the Cabibbo-Kobayashi-Maskawa matrix, color suppression, diquark correlation and the kinematical condition, we show that the final meson-baryon state should be in a pure I=0 combination, when the meson-baryon invariant mass is small. Because the I=1 contamination usually makes it difficult to analyze Lambda resonances directly from experiments, the Lambda_c decay is an
doi:10.1103/physrevc.92.055204
fatcat:sq5tpcrst5bbxaimntlgb6yi5a