Measurement of the branching fractions of Λ_c^+ → pKn(π)

Abstract

Using data recorded by the CLEO-II detector at CESR, we report new measurements of the branching fractions for the decays of the charmed baryon Λ_c^+ into pK^-π^+π^0, pK^0, pK^0π^+π^-, and pK^0π^0, all measured relative to pK^-π^+. The relative branching fractions are 0.67±0.04±0.11,0.46±0.02±0.04,0.52±0.04±0.05, and 0.66±0.05±0.07, respectively.

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