Abstract
The Heavy Quark Effective Theory provides a systematic method to estimate a mixing angles of hadron states in a heavy quark, such as charm quark (c) and bottom quark (b). Using this method, we can estimate the mixing angles of the baryons ΞQ−ΞQ′. The mixing angles between ΞQ and ΞQ′ are given by |θb|=4.51∘±0.79∘ for the Q=b case and |θc|=8.12∘±0.80∘ for the Q=c case.
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