Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
2009-09-09
Phys.Rev.D80:074037,2009
Physics
High Energy Physics
High Energy Physics - Phenomenology
13 pages, 7 figures. More discussion added and typos corrected. Accepted by Phys. Rev. D
Scientific paper
10.1103/PhysRevD.80.074037
Inspired by the newly observed $D_{sJ}(3040)^+$ state, in this work we systemically study the two-body strong decays of P-wave charmed-strange mesons with the first radial excitation. Under the assignment of $1^{+}(j^P=1/2^+)$, i.e. the first radial excitation of $D_{s1}(2460)^+$, we find that the width of $D_{sJ}(3040)^+$ is close to the lower limit of the BaBar measurement. This indicates that it is reasonable to interpret $D_{sJ}(3040)^+$ as the first radial excitation of $D_{s1}(2460)^+$. Our calculation further predicts that $0^-+1^-$ channels e.g. $D^+K^{*0}$, $D^0 K^{*+}$ and $D_s^+\phi$ are important for the search for $D_{sJ}(3040)^+$. To help future experiments finding the remaining three P-wave charmed-strange mesons with the first radial excitation, we present the predictions for the strong decays of these three P-wave charmed-strange mesons.
Liu Xiang
Sun Zhi-Feng
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