No significant signal observed for J/ψ → D_s^- e^+ ν_e + c.c., setting branching fraction upper limit < 9.9 × 10^{-8} at 90% CL and improving prior constraints by an order of magnitude.
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2 Pith papers cite this work. Polarity classification is still indexing.
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Pith papers citing it
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hep-ex 2years
2025 2representative citing papers
BESIII reports 4.4σ evidence for transverse Ξ⁰ polarization in ψ(3686)→Ξ⁰Ξ⁰-bar together with improved measurements of branching fraction, decay amplitudes, and CP observables consistent with no violation.
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Search for the charmonium semi-leptonic weak decay $J/\psi\rightarrow D_s^-e^+\nu_e+c.c.$
No significant signal observed for J/ψ → D_s^- e^+ ν_e + c.c., setting branching fraction upper limit < 9.9 × 10^{-8} at 90% CL and improving prior constraints by an order of magnitude.
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Evidence of transverse polarization of $\Xi^0$ hyperon in $\psi(3686)\rightarrow\Xi^0\bar{\Xi}^0$
BESIII reports 4.4σ evidence for transverse Ξ⁰ polarization in ψ(3686)→Ξ⁰Ξ⁰-bar together with improved measurements of branching fraction, decay amplitudes, and CP observables consistent with no violation.