Study of the &eta;'&rarr;Ve<sup>+</sup>e<sup>-</sup> decay with hidden local symmetry model

YANG Yue-Ling; HUANG Jin-Shu; LU Gong-Ru

doi:10.1088/1674-1137/39/2/023102

Chinese Physics C> 2015, Vol. 39> Issue(2) : 023102 DOI: 10.1088/1674-1137/39/2/023102

Study of the η'→Ve⁺e^- decay with hidden local symmetry model

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Abstract：
Within the hidden local symmetry framework, the Dalitz decay η'→Ve⁺e^- is studied with the vector meson dominance model. It is found that the partial width Γ(η'→ωe⁺e^-)≈40 eV and branching ratio B(η'→ω⁺e^-)≈2×10^-4, and Γ(η'→ρe⁺e^-)≈10Γ(η'→ωe⁺e^-) and B(η'→ρe⁺e^-)≈10B(η'→ωe⁺e^-). The maximum position of the dilepton distribution is m_e⁺e^-≈1:33 MeV. These decays are measurable with the advent of high statistic η' experiments.

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YANG Yue-Ling, HUANG Jin-Shu and LU Gong-Ru. Study of the η'→Ve⁺e^- decay with hidden local symmetry model[J]. Chinese Physics C, 2015, 39(2): 023102. doi: 10.1088/1674-1137/39/2/023102

YANG Yue-Ling, HUANG Jin-Shu and LU Gong-Ru. Study of the η'→Ve⁺e^- decay with hidden local symmetry model[J]. Chinese Physics C, 2015, 39(2): 023102. doi: 10.1088/1674-1137/39/2/023102 shu

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Received: 2014-04-24
Revised: 2014-05-26

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通讯作者: 陈斌, bchen63@163.com

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沈阳化工大学材料科学与工程学院沈阳 110142

Study of the η'→Ve⁺e^- decay with hidden local symmetry model

Corresponding author: YANG Yue-Ling,

Corresponding author: HUANG Jin-Shu,

Received Date: 2014-04-24

Accepted Date: 2014-05-26

Available Online: 2015-02-05

Abstract: Within the hidden local symmetry framework, the Dalitz decay η'→Ve⁺e^- is studied with the vector meson dominance model. It is found that the partial width Γ(η'→ωe⁺e^-)≈40 eV and branching ratio B(η'→ω⁺e^-)≈2×10^-4, and Γ(η'→ρe⁺e^-)≈10Γ(η'→ωe⁺e^-) and B(η'→ρe⁺e^-)≈10B(η'→ωe⁺e^-). The maximum position of the dilepton distribution is m_e⁺e^-≈1:33 MeV. These decays are measurable with the advent of high statistic η' experiments.

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Study of the η'→Ve⁺e^- decay with hidden local symmetry model

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Study of the η'→Ve⁺e^- decay with hidden local symmetry model

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Study of the η'→Ve+e- decay with hidden local symmetry model

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通讯作者: 陈斌, bchen63@163.com

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Study of the η'→Ve+e- decay with hidden local symmetry model

Corresponding author: YANG Yue-Ling,

Corresponding author: HUANG Jin-Shu,

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Study of the η'→Ve⁺e^- decay with hidden local symmetry model

Study of the η'→Ve⁺e^- decay with hidden local symmetry model