Excited heavy baryon masses to order Lambda_{QCD}/m_Q from QCD sum rules

摘要

Masses of the p-wave excited heavy baryons have been calculated to theLambda_{QCD}/m_Q order using QCD sum rule method within the framework of heavyquark effective theory. Numerical results for kinetic energy lambda_1 andchromo-magnetic interaction lambda_2 are presented. The splitting between spin1/2 and 3/2 doublet derived from our calculation is given, for which theagreement with the current experiment is desirable.