Radiative and pionic transitions from the $D_{s1}(2460)$ to the $D_{s0}^{\ast }(2317)$

Abstract

We estimate the partial widths for the radiative and pionic transitions from the $D_{s1}(2460)$ to the $D_{s0}(2317)$ in a molecule scenario, in which the $D_{s1}(2460)$ and $D_{s0}^{\ast }(2317)$ are considered as hadronic molecule states of $DK$ and $D^{\ast }K$, respectively. The partial widths for the $D_{s1}(2460)\to D_{s0}^{\ast }(2317){\pi }^0$ and $D_{s1}(2460)\to D_{s0}^{\ast }(2317)\gamma$ are evaluated to be about $0.19\sim 0.22$ keV and $3.0\sim 3.1$ keV, respectively. In addition, the ratio of the $D_{s1}(2460)\to D_{s0}(2317)\gamma$ and $D_{s1}(2460)\to D_s^{\ast }{\pi }^0$ is estimated to be about $(6.6\sim 10.6)\times 10^{-2}$, which is safely under the measured upper limit.

8 pages, 8 figures, 2 tables, published version

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• Estimate for the X(3872) to gamma J/psi decay width
• D* K molecular structure of the Ds1(2460) meson
• Charmed-strange mesons revisited: mass spectra and strong decays
• Possible S-wave Bound-States of Two Pseudoscalar Mesons
• Pionic Decays of $D_{sj}(2317)$, $D_{sj}(2460)$ and $B_{sj}(5718)$, $B_{sj}(5765)$
• New insights into the $D_{s0}^{\ast }(2317)$ and other charm scalar mesons
• Strong and radiative decays of the $D_{s0}^{\ast }(2317)$ and $D_{s1}(2460)$
• $D_{s0}(2317)$ as a tetraquark state with QCD sum rules in heavy quark limit
• Radiative decays of the neutral $Z_c(3900)$
• Radiative decays of the $D_{s0}(2317)$, $D_{s1}(2460)$ and the related strong coupling constants
• Long-distant contribution and ${\chi }_{c1}$ radiative decays to light vector meson
• Study on Decays of $D_{sJ}^{\ast }(2317)$ and $D_{sJ}(2460)$ in terms of the CQM Model
• Chiral loops in the isospin violating decays of D_{s1}(2460) and D*_{s0}(2317)

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