W. B. Qian

activity

20212026

most citedStudy of the Semileptonic Decay

Λ_{c}^{+} \to Λ e^{+} ν_{e}

30 citations · 186 across the 17 of their papers we have counts for

collaborators

18 papers

hep-ex2026

Measurement of CP Asymmetry Parameters and Polarization Correlations in $Ω^{-} Ω ˉ^{+}$ Pairs

BESIII Collaboration, M. Ablikim, M. N. Achasov +773

Using $(2.71 \pm 0.01) \times 1 0^{9}$ $ψ (3686)$ events collected with the BESIII detector, a joint full angular distribution analysis is carried out for the process $ψ(3686) \to Ω^-(…

hep-ex2022★ 17 cited

Study of $e^{+} e^{-} \to Ω^{-} Ω ˉ^{+}$ at center-of-mass energies from 3.49 to 3.67 GeV

BESIII Collaboration, M. Ablikim, M. N. Achasov +565

Using data samples of $e^{+} e^{-}$ collisions collected with the BESIII detector at eight center-of-mass energy points between 3.49 and 3.67 GeV, corresponding to an integrated luminos…

hep-ex2022★ 6 cited

Evidence for $η_{c}$ (2S)$\to\pipieta$ decay

BESIII Collaboration, M. Ablikim, M. N. Achasov +567

The decay $η_c(2S)\to\pipieta$ is searched for through the radiative transition $ψ (3686) \to γ η_{c} (2 S)$ using 448 million $ψ$ (3686) events accumulated at the BESIII detector. The fir…

hep-ex2022★ 7 cited

Observation of the $J / ψ$ and $ψ (3686)$ decays into $η Σ^{+} Σ ˉ^{-}$

BESIII Collaboration, M. Ablikim, M. N. Achasov +572

The decays $J / ψ \to η Σ^{+} Σ ˉ^{-}$ and $ψ (3686) \to η Σ^{+} Σ ˉ^{-}$ are observed for the first time, using $(10087 \pm 44) \times 1 0^{6}$ $J / ψ$ and $(448.1 \pm 2.9) \times 1 0^{6}$ $ψ(…

hep-ex2022★ 16 cited

Search for invisible decays of a dark photon using $e^{+} e^{-}$ annihilation data at BESIII

BESIII Collaboration, M. Ablikim, M. N. Achasov +564

We report a search for a dark photon using $14.9$ ~fb $^{- 1}$ of $e^{+} e^{-}$ annihilation data taken at center-of-mass energies from 4.13 to 4.60~GeV with the BESIII detector operated a…

hep-ex2022★ 8 cited

Study of $η (1405) / η (1475)$ in $J / ψ \to γ K_{S}^{0} K_{S}^{0} π^{0}$ decay

BESIII Collaboration, M. Ablikim, M. N. Achasov +567

Using a sample of $(10.09 \pm 0.04) \times 1 0^{9}$ $J / ψ$ decays collected with the BESIII detector, partial wave analyses of the decay $J / ψ \to γ K_{S}^{0} K_{S}^{0} π^{0}$ are performed w…

hep-ex2022★ 5 cited

Search for baryon and lepton number violation decay $D^{\pm} \to n (n ˉ) e^{\pm}$

BESIII Collaboration, M. Ablikim, M. N. Achasov +568

Using a data set of electron-positron collisions corresponding to an integrated luminosity of $2.93 f b^{- 1}$ taken with the BESIII detector at a center-of-mass energy of 3.77…

hep-ex2022★ 14 cited

Measurement of the Branching Fraction of the Singly Cabibbo-Suppressed Decay $Λ_{c}^{+} \to Λ K^{+}$

BESIII Collaboration, M. Ablikim, M. N. Achasov +564

We report a branching fraction measurement of the singly Cabibbo-suppressed decay $Λ_{c}^{+} \to Λ K^{+}$ using a data sample collected with the BESIII detector at the BEPCII storage…

hep-ex2022★ 15 cited

Measurement of $e^{+} e^{-} \to π^{+} π^{-} D^{+} D^{-}$ cross sections at center-of-mass energies from 4.190 to 4.946 GeV

M. Ablikim, M. N. Achasov, P. Adlarson +561

Using data samples collected with the BESIII detector operating at the BEPCII storage ring, we measure the cross sections of the $e^{+} e^{-} \to π^{+} π^{-} D^{+} D^{-}$ process…

hep-ex2022★ 11 cited

Measurement of $ψ (3686) \to Λ Λ ˉ η$ and $ψ (3686) \to Λ Λ ˉ π^{0}$ decays

BESIII Collaboration, M. Ablikim, M. N. Achasov +565

Based on a sample of $448.1 \times 1 0^{6} ψ (3686)$ events collected with the BESIII detector, a study of $ψ (3686) \to Λ Λ ˉ π^{0}$ and $ψ (3686) \to Λ Λ ˉ η$ is performed. Evidence of the is…

hep-ex2022★ 30 cited

Study of the Semileptonic Decay $Λ_{c}^{+} \to Λ e^{+} ν_{e}$

BESIII Collaboration, M. Ablikim, M. N. Achasov +563

The measurement of the Cabibbo-favored semileptonic decay $Λ_{c}^{+} \to Λ e^{+} ν_{e}$ is reported using a $4.5 fb^{- 1}$ data sample of $e^{+} e^{-}$ annihilations collected at c…

hep-ex2022★ 16 cited

First Observation of the Semileptonic Decay $Λ_{c}^{+} \to p K^{-} e^{+} ν_{e}$

BESIII Collaboration, M. Ablikim, M. N. Achasov +563

Using $4.5 fb^{- 1}$ of $e^{+} e^{-}$ annihilation data samples collected at the center-of-mass energies ranging from 4.600~GeV to 4.699~GeV with the BESIII detector at the BEPC…

hep-ex2022★ 11 cited

Measurement of Branching Fractions of Singly Cabibbo-suppressed Decays $Λ_{c}^{+} \to Σ^{0} K^{+}$ and $Σ^{+} K_{S}^{0}$

BESIII Collaboration, M. Ablikim, M. N. Achasov +566

Based on a sample of 4.4 $fb^{- 1}$ of $e^{+} e^{-}$ annihilation data collected in the energy region between 4.6 GeV and 4.7 GeV with the BESIII detector at BEPCII, two sin…

hep-ex2022★ 5 cited

Observation of $χ_{c J} \to Λ Λ ˉ η$

BESIII Collaboration, M. Ablikim, M. N. Achasov +566

By analyzing $(448.1 \pm 2.9) \times 1 0^{6}$ $ψ (3686)$ events collected with the BESIII detector operating at the BEPCII collider, the decays of $χ_{c J} \to Λ Λ ˉ η$ ( $J = 0$ , 1 and 2) ar…

hep-ex2022

Observation of $η_{c} (2 S) \to 3 (π^{+} π^{-})$ and measurements of $χ_{c J} \to 3 (π^{+} π^{-})$ in $ψ (3686)$ radiative transitions

BESIII Collaboration, M. Ablikim, M. N. Achasov +564

The hadronic decay $η_{c} (2 S) \to 3 (π^{+} π^{-})$ is observed with a statistical significance of 9.3 standard deviations using $(448.1 \pm 2.9) \times 1 0^{6}$ $ψ (3686)$ events collected by the…

hep-ex2022★ 24 cited

Observation of the Singly Cabibbo-Suppressed Decay $Λ_{c}^{+} \to n π^{+}$

BESIII Collaboration, M. Ablikim, M. N. Achasov +511

The singly Cabibbo-suppressed decay $Λ_{c}^{+} \to n π^{+}$ is observed for the first time with a statistical significance of $7.3 σ$ by using 3.9 $fb^{- 1}$ of $e^{+} e^{-}$ …

hep-ex2021

Measurement of the $e^{+} e^{-} \to ω π^{0} π^{0}$ cross section at center-of-mass energies from 2.0 to 3.08 GeV

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

The cross section of the process $e^{+} e^{-} \to ω π^{0} π^{0}$ is measured at nineteen center-of-mass energies from 2.0 to 3.08 GeV using data collected with the BESIII detector at th…

hep-ex2021★ 1 cited

Measurement of the $e^{+} e^{-} \to Σ^{0} Σ ˉ^{0}$ cross sections at center-of-mass energies from $2.3864$ to $3.0200$ GeV

M. Ablikim, M. N. Achasov, P. Adlarson +484

The Born cross sections of $e^{+} e^{-} \to Σ^{0} Σ ˉ^{0}$ are measured at center-of-mass energies from $2.3864$ to $3.0200$ GeV using data samples with an integrated luminosity of…

Measurement of CP Asymmetry Parameters and Polarization Correlations in Ω−Ωˉ+ Pairs

Study of e+e−→Ω−Ωˉ+ at center-of-mass energies from 3.49 to 3.67 GeV

Evidence for ηc​(2S)$\to\pipieta$ decay

Observation of the J/ψ and ψ(3686) decays into ηΣ+Σˉ−

Search for invisible decays of a dark photon using e+e− annihilation data at BESIII

Study of η(1405)/η(1475) in J/ψ→γKS0​KS0​π0 decay

Search for baryon and lepton number violation decay D±→n(nˉ)e±

Measurement of the Branching Fraction of the Singly Cabibbo-Suppressed Decay Λc+​→ΛK+

Measurement of e+e−→π+π−D+D− cross sections at center-of-mass energies from 4.190 to 4.946 GeV

Measurement of ψ(3686)→ΛΛˉη and ψ(3686)→ΛΛˉπ0 decays

Study of the Semileptonic Decay Λc+​→Λe+νe​

First Observation of the Semileptonic Decay Λc+​→pK−e+νe​

Measurement of Branching Fractions of Singly Cabibbo-suppressed Decays Λc+​→Σ0K+ and Σ+KS0​

Observation of χcJ​→ΛΛˉη

Observation of ηc​(2S)→3(π+π−) and measurements of χcJ​→3(π+π−) in ψ(3686) radiative transitions

Observation of the Singly Cabibbo-Suppressed Decay Λc+​→nπ+

Measurement of the e+e−→ωπ0π0 cross section at center-of-mass energies from 2.0 to 3.08 GeV

Measurement of the e+e−→Σ0Σˉ0 cross sections at center-of-mass energies from 2.3864 to 3.0200 GeV

Measurement of CP Asymmetry Parameters and Polarization Correlations in $Ω^{-} Ω ˉ^{+}$ Pairs

Study of $e^{+} e^{-} \to Ω^{-} Ω ˉ^{+}$ at center-of-mass energies from 3.49 to 3.67 GeV

Evidence for $η_{c}$ (2S)$\to\pipieta$ decay

Observation of the $J / ψ$ and $ψ (3686)$ decays into $η Σ^{+} Σ ˉ^{-}$

Search for invisible decays of a dark photon using $e^{+} e^{-}$ annihilation data at BESIII

Study of $η (1405) / η (1475)$ in $J / ψ \to γ K_{S}^{0} K_{S}^{0} π^{0}$ decay

Search for baryon and lepton number violation decay $D^{\pm} \to n (n ˉ) e^{\pm}$

Measurement of the Branching Fraction of the Singly Cabibbo-Suppressed Decay $Λ_{c}^{+} \to Λ K^{+}$

Measurement of $e^{+} e^{-} \to π^{+} π^{-} D^{+} D^{-}$ cross sections at center-of-mass energies from 4.190 to 4.946 GeV

Measurement of $ψ (3686) \to Λ Λ ˉ η$ and $ψ (3686) \to Λ Λ ˉ π^{0}$ decays

Study of the Semileptonic Decay $Λ_{c}^{+} \to Λ e^{+} ν_{e}$

First Observation of the Semileptonic Decay $Λ_{c}^{+} \to p K^{-} e^{+} ν_{e}$

Measurement of Branching Fractions of Singly Cabibbo-suppressed Decays $Λ_{c}^{+} \to Σ^{0} K^{+}$ and $Σ^{+} K_{S}^{0}$

Observation of $χ_{c J} \to Λ Λ ˉ η$

Observation of $η_{c} (2 S) \to 3 (π^{+} π^{-})$ and measurements of $χ_{c J} \to 3 (π^{+} π^{-})$ in $ψ (3686)$ radiative transitions

Observation of the Singly Cabibbo-Suppressed Decay $Λ_{c}^{+} \to n π^{+}$

Measurement of the $e^{+} e^{-} \to ω π^{0} π^{0}$ cross section at center-of-mass energies from 2.0 to 3.08 GeV

Measurement of the $e^{+} e^{-} \to Σ^{0} Σ ˉ^{0}$ cross sections at center-of-mass energies from $2.3864$ to $3.0200$ GeV