Author

Mei Dong

3 papers indexed here

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Preprint Sep 2026

First Observation and Dynamical Study of the $D^+_s\to f_{0}(980) \mu^+\nu_\mu$ Decay

Using 7.33 fb$^{-1}$ of $e^+e^-$ annihilation data recorded with the BESIII detector at center-of-mass energies from 4.128 to 4.226 GeV, we report the first observation and dynamical study of the semileptonic decay $D^+_s\to f_{0}(980) \mu^+\nu_\mu$. The absolute branching fraction of $D^+_s\to f_{0}(980) \mu^+\nu_\mu$...

Besiii Collaboration M. Ablikim, M. N. Achasov, P. Adlarson et al. · 0 citations

Preprint Sep 2026

Observation of $\eta(2600)$ and Threshold Enhancements in the $\Lambda\bar{\Lambda}$ System

Using $2712.4 \pm 14.3$ million $\psi(3686)$ events collected with the BESIII detector, the $\Lambda\bar{\Lambda}$ system produced in $\psi(3686)$ radiative decays is studied. A model-independent partial wave analysis reveals a significant threshold enhancement structure dominated by the $^1S_0$ and $^3P_0$ partial wav...

Besiii Collaboration M. Ablikim, M. N. Achasov, P. Adlarson et al. · 0 citations

Preprint Sep 2026

Evidence for the semileptonic decay $\Lambda_c^{+} \to p \pi^{-} e^+ \nu_e$

Based on $4.5\, \mathrm{fb}^{-1}$ of $e^+e^-$ collision data collected with the BESIII detector at the BEPCII collider at center-of-mass energies between $4.600\,\mathrm{GeV}$ and $4.699\,\mathrm{GeV}$, the first search for the Cabbibo-suppressed semileptonic decay $\Lambda_c^+\to p\pi^-e^+\nu_e$ is performed. The bran...

Besiii Collaboration M. Ablikim, M. N. Achasov, P. Adlarson et al. · 0 citations