科研之友
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摘要
The decays Xi(b) -> Lambda(b)pi are strangeness changing weak transitions involving only the light diquark in the baryon. Thus these decays can test the properties of such diquarks, in particular the suggestions existing in the literature of enhanced correlations in J(P) = 0(+) light diquarks. We revisit the estimates of the rates of these decays and point out that with the enhanced correlation their branching fraction can reach a few percent and may become visible in the measurements of differences of the lifetimes of b baryons.
- 出版日期2014-8-26
