X. Zeng

collaborators

2 papers

hep-ex2025

Precision Measurement of $D_{s}^{*+}$ - $D_{s}^{+}$ Mass Difference

BESIII Collaboration, M. Ablikim, M. N. Achasov +684

We measure the mass difference between $D_{s}^{*+}$ and $D_{s}^{+}$ , $Δ m_{s}$ , using the decay chain $D_{s}^{*+} \to D_{s}^{+} (\to K^{+} K^{-} π^{+}) π^{0}$ , utilizing $e^{+} e^{-}$ annihi…

hep-ex2025

First Observation of $Λ$ Hyperon Transverse Polarization in $ψ (3686) \to Λ Λ ˉ$

BESIII Collaboration, M. Ablikim, M. N. Achasov +687

Based on $(448.1 \pm 2.9) \times 1 0^{6}$ $ψ (3686)$ events collected with the BESIII detector at the BEPCII collider, we present the first observation of spin transverse polarization of…

Precision Measurement of Ds∗+​-Ds+​ Mass Difference

First Observation of Λ Hyperon Transverse Polarization in ψ(3686)→ΛΛˉ

Precision Measurement of $D_{s}^{*+}$ - $D_{s}^{+}$ Mass Difference

First Observation of $Λ$ Hyperon Transverse Polarization in $ψ (3686) \to Λ Λ ˉ$