Chinese Physics C > 2018, Vol. 42 > Issue(4): 043106 DOI: 10.1088/1674-1137/42/4/043106

The radiative decay D⁰→ K^*0γ with vector meson dominance

J. M. Dias^1,2,3,,,
V. R. Debastiani^1,2,,,
Ju-Jun Xie^1,,,
E. Oset^1,2,,

1.
Institute of Modern Physics, Chinese Academy of Sciences, Lanzhou 730000, China
2.
Departamento de Fí
3.
Instituto de Fí
4.
Institute of Modern Physics, Chinese Academy of Sciences, Lanzhou 730000, China

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Abstract：
Motivated by the experimental measurements of D ⁰radiative decay modes, we have proposed a model to study the D ⁰→ K ^*0γ decay, by establishing a link with D ⁰→ K ^*0V (V=ρ ⁰, ω) decays through the vector meson dominance hypothesis. In order to do this properly, we have used the Lagrangians from the local hidden gauge symmetry approach to account for V γconversion. As a result, we have found the branching ratio B[D ⁰→ K ^*0 γ]=(1.55-3.44)×10 ^-4, which is in fair agreement with the experimental values reported by the Belle and BaBar collaborations.
- radiative decay,
- vector meson dominance,
- local hidden gauge symmetry

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J. M. Dias, V. R. Debastiani, Ju-Jun Xie and E. Oset. The radiative decay D ⁰→ K ^*0γ with vector meson dominance[J]. Chinese Physics C, 2018, 42(4): 043106. doi: 10.1088/1674-1137/42/4/043106

J. M. Dias, V. R. Debastiani, Ju-Jun Xie and E. Oset. The radiative decay D ⁰→ K ^*0γ with vector meson dominance[J]. Chinese Physics C, 2018, 42(4): 043106. doi:10.1088/1674-1137/42/4/043106 shu

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Received: 2017-12-13

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J. M. Dias would like to thank the Brazilian funding agency FAPESP for the financial support (2016/22561-2), V. R. Debastiani wishes to acknowledge the support from the Programa Santiago Grisolia of Generalitat Valenciana (Exp. GRISOLIA/2015/005). This work is also partly supported by the Spanish Ministerio de Economia y Competitividad and European FEDER funds (FIS2014-57026-REDT, FIS2014-51948-C2-1-P, FIS2014-51948-C2-2-P), and the Generalitat Valenciana in the program Prometeo II-2014/068. This work is partly supported by the National Natural Science Foundation of China (11475227, 11735003) and the Youth Innovation Promotion Association CAS (2016367)

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沈阳化工大学材料科学与工程学院沈阳 110142

The radiative decay D⁰→ K^*0γ with vector meson dominance

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