S. N. Ruan

activity

20212024

most citedPrecise Measurements of Decay Parameters and

C P

Asymmetry with Entangled

Λ - Λ ˉ

Pairs

83 citations · 322 across the 29 of their papers we have counts for

collaborators

30 papers

hep-ex2024★ 5 cited

Observation of the charmonium decay $η_{c} \to γ γ$ in $J / ψ \to γ η_{c}$

BESIII Collaboration, M. Ablikim, M. N. Achasov +662

Using $(2712.4 \pm 14.3) \times 1 0^{6}$ $ψ (3686)$ events collected with the BESIII detector at the BEPCII collider, the decay $η_{c} \to γ γ$ in $J / ψ \to γ η_{c}$ is observed. We determine the p…

hep-ex2024★ 8 cited

Evidence for Two Excited $Ω^{-}$ Hyperons

BESIII Collaboration, M. Ablikim, M. N. Achasov +655

Using $e^{+} e^{-}$ collision data corresponding to an integrated luminosity of 19,fb $^{- 1}$ collected by the BESIII detector at center-of-mass energies ranging from 4.13 to 4.70,GeV, w…

hep-ex2022★ 4 cited

Measurement of the absolute branching fraction of the inclusive decay $D_{s}^{+} \to π^{+} π^{+} π^{-} X$

BESIII Collaboration, M. Ablikim, M. N. Achasov +579

Using an $e^{+} e^{-}$ collision data sample with a total integrated luminosity of $3.19$ fb $^{- 1}$ collected with the BESIII detector at a center-of-mass energy of 4.178 GeV, the bran…

hep-ex2022★ 15 cited

Observation of a New $X (3872)$ Production Process $e^{+} e^{-} \to ω X (3872)$

BESIII Collaboration, M. Ablikim, M. N. Achasov +571

Using $4.7 f b^{- 1}$ of $e^{+} e^{-}$ collision data at center-of-mass energies from 4.661 to 4.951 GeV collected by the BESIII detector at the BEPCII collider, we observe the $X(387…

hep-ex2022★ 6 cited

Measurement of the $C P$ -even fraction of $D^{0} \to K^{+} K^{-} π^{+} π^{-}$

BESIII Collaboration, M. Ablikim, M. N. Achasov +571

A determination of the $C P$ -even fraction $F_{+}$ in the decay $D^{0} \to K^{+} K^{-} π^{+} π^{-}$ is presented. Using $2.93$ fb $^{- 1}$ of $e^{+} e^{-} \to ψ (3770) \to D D ˉ$ data collected by the B…

hep-ex2022★ 6 cited

Improved measurement of the absolute branching fraction of inclusive semileptonic $Λ_{c}^{+}$ decay

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

Using $4.5 fb^{- 1}$ of $e^{+} e^{-}$ annihilation data samples collected at center-of-mass energies ranging from 4.600 to 4.698 GeV with the BESIII detector at the BEPCII colli…

hep-ex2022★ 5 cited

Measurement of the absolute branching fraction of the inclusive decay $Λ ˉ_{c}^{-} \to n ˉ + X$

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

Based on $e^{+} e^{-}$ collision data corresponding to an integrated luminosity of 4.5 $f b^{- 1}$ collected at the center-of-mass energies between 4.600 and 4.699 GeV with the BESIII det…

hep-ex2022★ 2 cited

Observation of $e^{+} e^{-} \to π^{0} π^{0} ψ_{2} (3823)$

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

Using a data sample corresponding to an integrated luminosity of 11.3 $f b^{- 1}$ collected at center-of-mass energies from $4.23$ to $4.70$ ~GeV with the BESIII detector, we obse…

hep-ex2022★ 2 cited

Observation of the decay $ψ (3686) \to Σ^{-} Σ ˉ^{+}$ and measurement of its angular distribution

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

Using $(448.1 \pm 2.9) \times 1 0^{6}$ $ψ (3686)$ events collected with the BESIII detector at the BEPCII collider, the decay $ψ (3686) \to Σ^{-} Σ ˉ^{+}$ is observed for the first time with a…

hep-ex2022★ 17 cited

Partial wave analysis of the charmed baryon hadronic decay $Λ_{c}^{+} \to Λ π^{+} π^{0}$

BESIII Collaboration, M. Ablikim, M. N. Achasov +569

Based on $e^{+} e^{-}$ collision samples corresponding to an integrated luminosity of 4.4 $\mbox{fb$^{-1}$}$ collected with the BESIII detector at center-of-mass energies between $4.6\,…

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★ 10 cited

Measurement of the $C P$ -even fraction of $D^{0} \to π^{+} π^{-} π^{+} π^{-}$

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

A measurement of the $C P$ -even fraction of the decay $D^{0} \to π^{+} π^{-} π^{+} π^{-}$ is performed with a quantum-correlated $ψ (3770) \to D D ˉ$ data sample collected by the BESI…

hep-ex2022

Search for hyperon $Δ S = Δ Q$ violating decay $Ξ^{0} \to Σ^{-} e^{+} ν_{e}$

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

Using a data sample of $(1.0087 \pm 0.0044) \times 1 0^{10}$ $J / ψ$ decay events collected with the BESIII detector at the center-of-mass energy of $s = 3.097$ GeV, we present a sea…

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★ 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

Study of $ψ (3686) \to Λ Λ ˉ ω$

BESIII Collaboration, M. Ablikim, M. N. Achasov +551

Based on 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, the branching fraction of $ψ(3686)\rightarrowΛ\barΛω…

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★ 6 cited

Evidence for the Cusp Effect in $η^{'}$ Decays into $η π^{0} π^{0}$

BESIII Collaboration, M. Ablikim, M. N. Achasov +560

Using a sample of $4.3 \times 1 0^{5}$ $η^{'} \to η π^{0} π^{0}$ events selected from the ten billion $J / ψ$ event dataset collected with the BESIII detector, we study the decay $η^{'} \to η π^{0} π^{0}$ wit…

hep-ex2022★ 3 cited

Search for the semileptonic decay $D_{s}^{+} \to π^{0} e^{+} ν_{e}$

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

We present the first search for the semileptonic decay $D_{s}^{+} \to π^{0} e^{+} ν_{e}$ using a data sample of electron-positron collisions recorded with the BESIII detector at center-of-mass…

hep-ex2022★ 2 cited

Absolute Measurements of Branching Fractions of Cabibbo-Suppressed Hadronic $D^{0 (+)}$ Decays Involving Multiple Pions

BESIII Collaboration, M. Ablikim, M. N. Achasov +561

By analyzing $e^{+} e^{-}$ annihilation data with an integrated luminosity of $2.93 f b^{- 1}$ collected at the center-of-mass energy $s =$ 3.773 GeV with the BESIII detector, we…

hep-ex2022★ 11 cited

Search for the lepton flavor violating decay $J / ψ \to e μ$

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

We present a search for the lepton flavor violating decay $J / ψ \to e^{\pm} μ^{\mp}$ using $8.998 \times 1 0^{9} J / ψ$ events collected with the BESIII detector at the BEPCII $e^{+} e^{-}$ st…

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…

Observation of the charmonium decay ηc​→γγ in J/ψ→γηc​

Evidence for Two Excited Ω− Hyperons

Measurement of the absolute branching fraction of the inclusive decay Ds+​→π+π+π−X

Observation of a New X(3872) Production Process e+e−→ωX(3872)

Measurement of the CP-even fraction of D0→K+K−π+π−

Improved measurement of the absolute branching fraction of inclusive semileptonic Λc+​ decay

Measurement of the absolute branching fraction of the inclusive decay Λˉc−​→nˉ+X

Observation of e+e−→π0π0ψ2​(3823)

Observation of the decay ψ(3686)→Σ−Σˉ+ and measurement of its angular distribution

Partial wave analysis of the charmed baryon hadronic decay Λc+​→Λπ+π0

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

Measurement of the CP-even fraction of D0→π+π−π+π−

Search for hyperon ΔS=ΔQ violating decay Ξ0→Σ−e+νe​

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

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

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

Study of ψ(3686)→ΛΛˉω

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

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

Evidence for the Cusp Effect in η′ Decays into ηπ0π0

Search for the semileptonic decay Ds+​→π0e+νe​

Absolute Measurements of Branching Fractions of Cabibbo-Suppressed Hadronic D0(+) Decays Involving Multiple Pions

Search for the lepton flavor violating decay J/ψ→eμ

Observation of χcJ​→ΛΛˉη

Observation of the charmonium decay $η_{c} \to γ γ$ in $J / ψ \to γ η_{c}$

Evidence for Two Excited $Ω^{-}$ Hyperons

Measurement of the absolute branching fraction of the inclusive decay $D_{s}^{+} \to π^{+} π^{+} π^{-} X$

Observation of a New $X (3872)$ Production Process $e^{+} e^{-} \to ω X (3872)$

Measurement of the $C P$ -even fraction of $D^{0} \to K^{+} K^{-} π^{+} π^{-}$

Improved measurement of the absolute branching fraction of inclusive semileptonic $Λ_{c}^{+}$ decay

Measurement of the absolute branching fraction of the inclusive decay $Λ ˉ_{c}^{-} \to n ˉ + X$

Observation of $e^{+} e^{-} \to π^{0} π^{0} ψ_{2} (3823)$

Observation of the decay $ψ (3686) \to Σ^{-} Σ ˉ^{+}$ and measurement of its angular distribution

Partial wave analysis of the charmed baryon hadronic decay $Λ_{c}^{+} \to Λ π^{+} π^{0}$

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

Measurement of the $C P$ -even fraction of $D^{0} \to π^{+} π^{-} π^{+} π^{-}$

Search for hyperon $Δ S = Δ Q$ violating decay $Ξ^{0} \to Σ^{-} e^{+} ν_{e}$

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

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

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

Study of $ψ (3686) \to Λ Λ ˉ ω$

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 $Σ^{+} K_{S}^{0}$

Evidence for the Cusp Effect in $η^{'}$ Decays into $η π^{0} π^{0}$

Search for the semileptonic decay $D_{s}^{+} \to π^{0} e^{+} ν_{e}$

Absolute Measurements of Branching Fractions of Cabibbo-Suppressed Hadronic $D^{0 (+)}$ Decays Involving Multiple Pions

Search for the lepton flavor violating decay $J / ψ \to e μ$

Observation of $χ_{c J} \to Λ Λ ˉ η$