科研之友
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摘要
<正>The standard quark model is capable of predicting the existence of doubly heavy baryons. Similar to doubly heavy mesons, doubly heavy baryons may allow the QCD-inspired potential model, the nonrelativistic QCD (NRQCD) factorization theory [1], etc., to work on them well, while serving as a fruitful "laboratory" for testing these theories when a greatly enough collection of relevant data is available. Many attempts have been made to observe doubly heavy baryons,
