Lifetimes of doubly heavy baryons
A. K. Likhoded, A. I. Onishchenko
Abstract
We perform a detailed investigation of total lifetimes for the doubly heavy baryons ΞQQ', ΩQQ' in the framework of operator product expansion over the inverse heavy quark mass, whereas, to estimate matrix elements of operators obtained in OPE, approximations of nonrelativistic QCD are used.
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