Analysis of strong decays of the charmed mesons D(2550), D(2600), D(2750) and D(2760)

Details Analysis of strong decays of the charmed mesons D(2550), D(2600), D(2750) and D(2760) Analysis of strong decays of the charmed mesons D(2550), D(2600), D(2750) and D(2760)

2010-09-19

arxiv.org/abs/1009.3605v2

Phys.Rev.D83:014009,2011

Physics

High Energy Physics

High Energy Physics - Phenomenology

10 pages, revised version

Scientific paper

10.1103/PhysRevD.83.014009

In this article, we study the strong decays of the newly observed charmed mesons $D(2550)$, $D(2600)$, $D(2750)$ and $D(2760)$ with the heavy quark effective theory in the leading order approximation, and tentatively identify the $(D(2550),D(2600))$ as the $2S$ doublet $(0^-,1^-)$ and the $(D(2750),D(2760))$ as the $1D$ doublet $(2^-,3^-)$, respectively. The identification of the $D(2750)$ and $D(2760)$ as the same particle with $J^P=3^-$ is disfavored.

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