$D_{s0}(2317)$ as a tetraquark state with QCD sum rules in heavy quark limit

摘要

In this article, we take the point of view that the charmed scalar meson$D_{s0}(2317)$ be a tetraquark state and devote to calculate its mass withinthe framework of the QCD sum rules approach in the heavy quark limit. Thenumerical values for the mass of the $D_{s0}(2317)$ are consistent with theexperimental data, there must be some tetraquark component in the scalar meson$D_{s0}(2317)$. Detailed discussions about the threshold parameter and Borelparameter for the multiquark states are also presented.