X. Y. Li

activity

20062025

most citedMeasurement of proton electromagnetic form factors in

e^{+} e^{-} \to p p ˉ

in the energy region 2.00-3.08 GeV

96 citations · 466 across the 16 of their papers we have counts for

collaborators

16 papers

hep-ex2025

Measurements of the Absolute Branching Fraction of the Semileptonic Decay $Ξ^{-} \to Λ e^{-} ν ˉ_{e}$ and the Axial Charge of the $Ξ^{-}$

BESIII Collaboration, M. Ablikim, M. N. Achasov +685

Using $(10087 \pm 44) \times 1 0^{6}$ $J / ψ$ events collected with the BESIII detector, we study the semileptonic decay $Ξ^{-} \to Λ e^{-} ν ˉ_{e}$ for the first time at an electron-…

hep-ex2025

Observation of the decay $ψ (3686) \to Σ^{0} Σ ˉ^{0} ω$

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

Using a dataset of $(27.12 \pm 0.14) \times 1 0^{8}$ $ψ (3686)$ events collected by the BESIII detector operating at the BEPCII collider, we report the first observation of the decay $…

hep-ex2024★ 10 cited

Improved measurements of $D^{0} \to K^{-} ℓ^{+} ν_{ℓ}$ and $D^{+} \to K ˉ^{0} ℓ^{+} ν_{ℓ}$

BESIII Collaboration

Using 7.93 fb $^{- 1}$ of $e^{+} e^{-}$ collision data collected at the center-of-mass energy of 3.773 GeV with the BESIII detector, we measure the absolute branching fractions of $D^0\to…

hep-ex2024★ 2 cited

Cross section measurement of $e^{+} e^{-} \to η ψ (2 S)$ and search for $e^{+} e^{-} \to η X ~ (3872)$

BESIII Collaboration, M. Ablikim, M. N. Achasov +645

The energy-dependent cross section for $e^{+} e^{-} \to η ψ (2 S)$ is measured at eighteen center of mass energies from 4.288 GeV to 4.951 GeV using the BESIII detector. Using the same data…

hep-ex2022★ 27 cited

Observation of a state $X (2600)$ in the $π^{+} π^{-} η^{'}$ system in the process $J / ψ \to γ π^{+} π^{-} η^{'}$

BESIII Collaboration, M. Ablikim, M. N. Achasov +556

Based on $(10087 \pm 44) \times 1 0^{6}$ $J / ψ$ events collected with the BESIII detector, the process $J / ψ \to γ π^{+} π^{-} η^{'}$ is studied using two dominant decay channels of the $…

hep-ex2020★ 20 cited

Observation of the semi-muonic decay $D^{+} \to ω μ^{+} ν_{μ}$

BESIII Collaboration

We report the first observation of the semi-muonic decay $D^{+} \to ω μ^{+} ν_{μ}$ using an $e^{+} e^{-}$ collision data sample corresponding to an integrated luminosity of $2.93~\mathrm{fb}^{-1…

hep-ex2019★ 96 cited

Measurement of proton electromagnetic form factors in $e^{+} e^{-} \to p p ˉ$ in the energy region 2.00-3.08 GeV

M. Ablikim, M. N. Achasov, P. Adlarson +473

The process of $e^{+} e^{-} \to p p ˉ$ is studied at 22 center-of-mass energy points ( $s$ ) from 2.00 to 3.08 GeV, exploiting 688.5~pb $^{- 1}$ of data collected with the…

hep-ex2018★ 89 cited

Evidence of a resonant structure in the $e^{+} e^{-} \to π^{+} D^{0} D^{*-}$ cross section between 4.05 and 4.60 GeV

M. Ablikim, M. N. Achasov, S. Ahmed +435

The cross section of the process $e^{+} e^{-} \to π^{+} D^{0} D^{*-}$ for center-of-mass energies from 4.05 to 4.60~GeV is measured precisely using data samples collected with the BESIII detec…

hep-ex2018★ 18 cited

Study of $η (1475)$ and $X (1835)$ in radiative $J / ψ$ decays to $γ ϕ$

BESIII Collaboration, M. Ablikim, M. N. Achasov +428

The decay $J / ψ \to γ γ ϕ$ is studied using a sample of $1.31 \times 1 0^{9}$ $J / ψ$ events collected with the BESIII detector. Two structures around 1475 MeV/c $^{2}$ and 1835 MeV/c…

hep-ex2017★ 5 cited

Improved measurements of $χ_{c J} \to Σ^{+} Σ ˉ^{-}$ and $Σ^{0} Σ ˉ^{0}$ decays

BESIII Collaboration

Using a data sample of $(448.1 \pm 2.9) \times 1 0^{6} ψ (3686)$ events collected with the BESIII detector at the BEPCII collider, we present measurements of branching fractions for the d…

hep-ex2017★ 94 cited

Precision measurement of the $e^{+} e^{-} \to Λ_{c}^{+} Λ ˉ_{c}^{-}$ cross section near threshold

M. Ablikim, M. N. Achasov, S. Ahmed +445

The Born cross section of the $e^{+} e^{-} \to Λ_{c}^{+} Λ ˉ_{c}^{-}$ process is measured with unprecedented precision using data collected with the BESIII detector at $\s…

hep-ex2017★ 5 cited

Observation of $e^{+} e^{-} \to η Y (2175)$ at center-of-mass energies above 3.7 $\sim$ GeV

M. Ablikim, M. N. Achasov, S. Ahmed +426

The state $Y (2175)$ is observed in the process $e^{+} e^{-} \to η Y (2175)$ at center-of-mass energies between 3.7 and 4.6 $\sim$ GeV with a statistical significance larger than $10 σ$ usin…

hep-ex2016★ 32 cited

Measurement of Singly Cabibbo Suppressed Decays $Λ_{c}^{+} \to p π^{+} π^{-}$ and $Λ_{c}^{+} \to p K^{+} K^{-}$

BESIII collaboration, M. Ablikim, M. N. Achasov +432

Using 567 $p b^{- 1}$ of data collected with the BESIII detector at a center-of-mass energy of $s =$ 4.599 $G e V$ , near the $Λ_{c}^{+} Λ_{c}^{-}$ threshold, we study the singly C…

hep-ex2013★ 26 cited

Study of $J / ψ \to ω p p ˉ$ at BESIII

The BESIII Collaboration, M. Ablikim, M. N. Achasov +363

The decay $J / ψ \to ω p p ˉ$ has been studied, using $225.3 \times 1 0^{6}$ $J / ψ$ events accumulated at BESIII. No significant enhancement near the $p p ˉ$ invariant-mass…

hep-ex2007★ 4 cited

Search for the decays $J / ψ \to γ ρϕ$ and $J / ψ \to γ ρ ω$

BES Collaboration

Using 58 million $J / ψ$ events collected with the Beijing Spectrometer (BESII) at the Beijing Electron-Positron Collider, the decays $J / ψ \to γ ϕρ$ and $J / ψ \to γ ω ρ$ are searched for,…

hep-ex2006★ 38 cited

Observation of a broad 1^-- resonant structure around 1.5 GeV/ $c^{2}$ in the K^+K^- mass spectrum in J/psi --> K^+K^-pi^0

BES Collaboration, M. Ablikim

A broad peak is observed at low K^+K^- invariant mass in J/psi --> K^+K^-pi^0 decays found in a sample of 5.8\times 10^7 J/psi events collected with the BESII detector. A partial w…

Measurements of the Absolute Branching Fraction of the Semileptonic Decay Ξ−→Λe−νˉe​ and the Axial Charge of the Ξ−

Observation of the decay ψ(3686)→Σ0Σˉ0ω

Improved measurements of D0→K−ℓ+νℓ​ and D+→Kˉ0ℓ+νℓ​

Cross section measurement of e+e−→ηψ(2S) and search for e+e−→ηX~(3872)

Observation of a state X(2600) in the π+π−η′ system in the process J/ψ→γπ+π−η′

Observation of the semi-muonic decay D+→ωμ+νμ​

Measurement of proton electromagnetic form factors in e+e−→ppˉ​ in the energy region 2.00-3.08 GeV

Evidence of a resonant structure in the e+e−→π+D0D∗− cross section between 4.05 and 4.60 GeV

Study of η(1475) and X(1835) in radiative J/ψ decays to γϕ

Improved measurements of χcJ​→Σ+Σˉ− and Σ0Σˉ0 decays

Precision measurement of the e+e− → Λc+​Λˉc−​ cross section near threshold

Observation of e+e−→ηY(2175) at center-of-mass energies above 3.7∼GeV

Measurement of Singly Cabibbo Suppressed Decays Λc+​→pπ+π− and Λc+​→pK+K−

Study of J/ψ→ωppˉ​ at BESIII

Search for the decays J/ψ→γρϕ and J/ψ→γρω

Observation of a broad 1^-- resonant structure around 1.5 GeV/c2 in the K^+K^- mass spectrum in J/psi --> K^+K^-pi^0

Measurements of the Absolute Branching Fraction of the Semileptonic Decay $Ξ^{-} \to Λ e^{-} ν ˉ_{e}$ and the Axial Charge of the $Ξ^{-}$

Observation of the decay $ψ (3686) \to Σ^{0} Σ ˉ^{0} ω$

Improved measurements of $D^{0} \to K^{-} ℓ^{+} ν_{ℓ}$ and $D^{+} \to K ˉ^{0} ℓ^{+} ν_{ℓ}$

Cross section measurement of $e^{+} e^{-} \to η ψ (2 S)$ and search for $e^{+} e^{-} \to η X ~ (3872)$

Observation of a state $X (2600)$ in the $π^{+} π^{-} η^{'}$ system in the process $J / ψ \to γ π^{+} π^{-} η^{'}$

Observation of the semi-muonic decay $D^{+} \to ω μ^{+} ν_{μ}$

Measurement of proton electromagnetic form factors in $e^{+} e^{-} \to p p ˉ$ in the energy region 2.00-3.08 GeV

Evidence of a resonant structure in the $e^{+} e^{-} \to π^{+} D^{0} D^{*-}$ cross section between 4.05 and 4.60 GeV

Study of $η (1475)$ and $X (1835)$ in radiative $J / ψ$ decays to $γ ϕ$

Improved measurements of $χ_{c J} \to Σ^{+} Σ ˉ^{-}$ and $Σ^{0} Σ ˉ^{0}$ decays

Precision measurement of the $e^{+} e^{-} \to Λ_{c}^{+} Λ ˉ_{c}^{-}$ cross section near threshold

Observation of $e^{+} e^{-} \to η Y (2175)$ at center-of-mass energies above 3.7 $\sim$ GeV

Measurement of Singly Cabibbo Suppressed Decays $Λ_{c}^{+} \to p π^{+} π^{-}$ and $Λ_{c}^{+} \to p K^{+} K^{-}$

Study of $J / ψ \to ω p p ˉ$ at BESIII

Search for the decays $J / ψ \to γ ρϕ$ and $J / ψ \to γ ρ ω$

Observation of a broad 1^-- resonant structure around 1.5 GeV/ $c^{2}$ in the K^+K^- mass spectrum in J/psi --> K^+K^-pi^0