摘要Using the relativistic Bethe-Salpeter method, the electron energy spectrum and the semileptonic decay widths of are calculated. We obtain a large branching fraction =, which can be easily detected in future experiments.
Abstract：Using the relativistic Bethe-Salpeter method, the electron energy spectrum and the semileptonic decay widths of are calculated. We obtain a large branching fraction =, which can be easily detected in future experiments.
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are calculated. We obtain a large branching fraction 
=
, which can be easily detected in future experiments. 
are calculated. We obtain a large branching fraction 
=
, which can be easily detected in future experiments.