We propose to measure the decay asymmetry parameters in the hadronic weak decays of singly charmed baryons, such as Λc^+ →Λπ^+, Σ^0π^+, pK0, Ξ0c →Ξ-π+and Ω^0c →Ω^-π^+. The joint angular formulae for...We propose to measure the decay asymmetry parameters in the hadronic weak decays of singly charmed baryons, such as Λc^+ →Λπ^+, Σ^0π^+, pK0, Ξ0c →Ξ-π+and Ω^0c →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 currentΛ+c data set collected at BESIII, we estimate the experimental sensitivities to measure the parameters αΛπ+forΛ+c →Λπ+, αΣ+π0for Λc^+ →Σ+π^0 and αΣ0π+for Λc^+ →Σ^0π^+.展开更多
基金Supported by National Natural Science Foundation of China(11375205,11175146,11275266,11235011,11425524,11505010,11565006)Beijing Municipal Government Foundation(KM201610017009,2015000020124G064)Youth Innovation Promotion Association of CAS
文摘We propose to measure the decay asymmetry parameters in the hadronic weak decays of singly charmed baryons, such as Λc^+ →Λπ^+, Σ^0π^+, pK0, Ξ0c →Ξ-π+and Ω^0c →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 currentΛ+c data set collected at BESIII, we estimate the experimental sensitivities to measure the parameters αΛπ+forΛ+c →Λπ+, αΣ+π0for Λc^+ →Σ+π^0 and αΣ0π+for Λc^+ →Σ^0π^+.