Analysis of the $D_{s3}^{\ast }(2860)$ as a D-wave $c\bar{s}$ meson with QCD sum rules

Abstract

In this article, we assign the $D_{s3}^{\ast }(2860)$ to be a D-wave $c\bar{s}$ meson, and study the mass and decay constant of the $D_{s3}^{\ast }(2860)$ with the QCD sum rules by calculating the contributions of the vacuum condensates up to dimension-6 in the operator product expansion. The predicted mass $M_{D_{s3}^{\ast }}=(2.86\pm 0.10)\mathrm{GeV}$ is in excellent agreement with the experimental value $M_{D_{s3}^{\ast }}=(2860.5\pm 2.6\pm 2.5\pm 6.0)\mathrm{MeV}$ from the LHCb collaboration. The present prediction supports assigning the $D_{s3}^{\ast }(2860)$ to be the D-wave $c\bar{s}$ meson.

14 pages, 20 figures

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Cited by in corpus (5)

• Analysis of the $QQ\bar{Q}\bar{Q}$ tetraquark states with QCD sum rules
• Analysis of the $X(3842)$ as a D-wave charmonium meson
• Strong decays of the charmed mesons $D_1^{\ast }(2680)$, $D_3^{\ast }(2760)$, $D_2^{\ast }(3000)$
• Analysis of the strong decays $D_{s3}^{\ast }(2860)\to DK$, $D^{\ast }K$ with QCD sum rules
• Systematic analysis of the D-wave charmonium states with the QCD sum rules