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

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

2006-02-09

arxiv.org/abs/hep-ph/0602080v3

Nucl.Phys.A778:22-29,2006

Physics

High Energy Physics

High Energy Physics - Phenomenology

9 pages, 1 figure, third version

Scientific paper

10.1016/j.nuclphysa.2006.07.041

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 within the framework of the QCD sum rules approach in the heavy quark limit. The numerical values for the mass of the $D_{s0}(2317)$ are consistent with the experimental data, there must be some tetraquark component in the scalar meson $D_{s0}(2317)$. Detailed discussions about the threshold parameter and Borel parameter for the multiquark states are also presented.

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