L. Sun

collaborators

11 papers

hep-ex2025

Measurement of the phase between strong and electromagnetic amplitudes in the decay $J / ψ \to ϕ η$

BESIII Collaboration, M. Ablikim, M. N. Achasov +652

The first direct measurement of the relative phase between the strong and electromagnetic amplitudes for a $J / ψ$ decaying into a vector-pseudoscalar final state is performed using…

hep-ex2025

Measurements of branching fractions of $D^{0} \to K^{-} 3 π^{+} 2 π^{-}$ , $D^{0} \to K^{-} 2 π^{+} π^{-} 2 π^{0}$ and $D^{+} \to K^{-} 3 π^{+} π^{-} π^{0}$

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

Utilizing $7.9 f b^{- 1}$ of $e^{+} e^{-}$ collision data taken with the BESIII detector at the center-of-mass energy of 3.773 GeV, we report the measurements of absolute branching f…

hep-ex2025

Observation of Transverse Polarization and Determination of Psionic Form Factors of the $Λ$ Hyperon at $s = 3.773$ GeV

BESIII Collaboration, M. Ablikim, M. N. Achasov +689

Using a data sample of $e^{+} e^{-}$ collision data corresponding to an integrated luminosity of 20.3 fb $^{- 1}$ collected by the BESIII detector at the BEPCII collider, we present a…

hep-ex2025

Observation of $ψ (3686) \to Ξ^{-} K_{S}^{0} Ω ˉ^{+}$ +c.c

BESIII Collaboration, M. Ablikim, M. N. Achasov +678

Using a sample of $(2.712 \pm 0.014) \times 1 0^{9}$ $ψ (3686)$ events collected with the BESIII detector at the electron positron collider BEPCII, the decay $ψ(3686) \to Ξ^- K^0_S \ba…

hep-ex2025

Stringent test of $C P$ symmetry in $Σ^{+}$ hyperon decays

BESIII Collaboration, M. Ablikim, M. N. Achasov +678

The non-leptonic two-body weak decays $Σ^{+} \to p π^{0}$ and $Σ ˉ^{-} \to p ˉ π^{0}$ are investigated, utilizing $(1.0087 \pm 0.0044) \times 1 0^{10}$ $J / ψ$ events and $(2.7124\p…

hep-ex2025

Search for the FCNC charmonium decay $J / ψ \to D^{0} μ^{+} μ^{-} + c.c.$

BESIII Collaboration, M. Ablikim, M. N. Achasov +678

Based on a data sample of $(10087 \pm 44) \times 1 0^{6}$ $J / ψ$ events taken with the BESIII detector, we search for the flavor-changing neutral current charmonium decay $J/ψ\to D^{0}…

Measurement of the phase between strong and electromagnetic amplitudes in the decay J/ψ→ϕη

Measurements of branching fractions of D0→K−3π+2π−, D0→K−2π+π−2π0 and D+→K−3π+π−π0

Observation of Transverse Polarization and Determination of Psionic Form Factors of the Λ Hyperon at s​=3.773 GeV

Observation of ψ(3686)→Ξ−KS0​Ωˉ++c.c

Stringent test of CP symmetry in Σ+ hyperon decays

Search for the FCNC charmonium decay J/ψ→D0μ+μ−+c.c.

Measurement of the phase between strong and electromagnetic amplitudes in the decay $J / ψ \to ϕ η$

Measurements of branching fractions of $D^{0} \to K^{-} 3 π^{+} 2 π^{-}$ , $D^{0} \to K^{-} 2 π^{+} π^{-} 2 π^{0}$ and $D^{+} \to K^{-} 3 π^{+} π^{-} π^{0}$

Observation of Transverse Polarization and Determination of Psionic Form Factors of the $Λ$ Hyperon at $s = 3.773$ GeV

Observation of $ψ (3686) \to Ξ^{-} K_{S}^{0} Ω ˉ^{+}$ +c.c

Stringent test of $C P$ symmetry in $Σ^{+}$ hyperon decays

Search for the FCNC charmonium decay $J / ψ \to D^{0} μ^{+} μ^{-} + c.c.$