Ke Liu

activity

20162026

most citedObservation of an isoscalar resonance with exotic

J^{P C} = 1^{-+}

quantum numbers in

J / ψ \to γ η η^{'}

84 citations · 1.2k across the 147 of their papers we have counts for

collaborators

Showing 2022Show all

37 papers · 1 filter

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★ 12 cited

Measurements of Differential Cross Sections of Inclusive $π^{0}$ and $K_{S}^{0}$ Production in $e^{+} e^{-}$ Annihilation at Energies from 2.2324 to 3.6710 GeV

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

Based on electron positron collision data collected with the BESIII detector operating at the BEPCII storage rings, the differential cross sections of inclusive $π^{0}$ and $K_{S}^{0}$ p…

hep-ex2022★ 30 cited

Observation of the $Y (4230)$ and evidence for a new vector charmonium-like state $Y (4710)$ in $e^{+} e^{-} \to K_{S}^{0} K_{S}^{0} J / ψ$

M. Ablikim, M. N. Achasov, P. Adlarson +563

Cross sections for the process $e^{+} e^{-} \to K_{S}^{0} K_{S}^{0} J / ψ$ at center-of-mass energies from $4.128$ to $4.950$ GeV are measured using data samples with a total integra…

hep-ex2022★ 7 cited

Study of $e^{+} e^{-} \to γ ϕ J / ψ$ from $s = 4.600$ to $4.951$ GeV

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

Using data samples with an integrated luminosity of $6.4$ ~fb $^{- 1}$ collected by the BESIII detector operating at the BEPCII storage ring, the process of $e^{+} e^{-} \to γ ϕ J / ψ$ is studie…

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★ 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

Measurement of $e^{+} e^{-} \to ϕ η^{'}$ cross sections at center-of-mass energies between 3.508 and 4.600 GeV

BESIII Collaboration, M. Ablikim, M. N. Achasov +592

We present a measurement of the dressed cross sections for $e^{+} e^{-} \to ϕ η^{'}$ at different center-of-mass energies between 3.508 and 4.600 GeV based on 15.1 fb$^{-1}…

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★ 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★ 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★ 6 cited

Observation of the hindered electromagnetic Dalitz decay $ψ (3686) \to e^{+} e^{-} η_{c}$

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

Using a data sample of $(448.1 \pm 2.9) \times 1 0^{6} ψ (3686)$ decays collected at an $e^{+} e^{-}$ center-of-mass energy of $3.686 GeV$ by the BESIII detector at BEPCII, we report a…

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★ 17 cited

Search for a massless dark photon in $Λ_{c}^{+} \to p γ^{'}$ decay

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

A search for a massless dark photon $γ^{'}$ is conducted using 4.5 $fb^{- 1}$ of $e^{+} e^{-}$ collision data collected at center-of-mass energies between 4.600 and 4.699 $…

hep-ex2022★ 8 cited

Measurement of the absolute branching fraction of the singly Cabibbo suppressed decay $Λ_{c}^{+} \to p η^{'}$

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

The singly Cabibbo suppressed decay $Λ_{c}^{+} \to p η^{'}$ is measured using 4.5 $fb^{- 1}$ of $e^{+} e^{-}$ collision data collected at center-of-mass energies between 4.60…

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

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★ 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★ 22 cited

Study of the resonance structures in $e^{+} e^{-} \to π^{+} π^{-} J / ψ$ process

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

Using about 23 $f b^{- 1}$ of data collected with the BESIII detector operating at the BEPCII storage ring, a precise measurement of the $e^{+}e^{-} \rightarrow π^{+}π^{-}J/…

hep-ex2022★ 5 cited

Measurements of the absolute branching fractions of hadronic $D$ -meson decays involving kaons and pions

BESIII Collaboration, M. Ablikim, M. N. Achasov +505

By analyzing an electron-positron collision data sample corresponding to an integrated luminosity of $2.93 f b^{- 1}$ taken at the center-of-mass energy of 3.773 GeV with the BE…

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

Measurements of Differential Cross Sections of Inclusive π0 and KS0​ Production in e+e− Annihilation at Energies from 2.2324 to 3.6710 GeV

Observation of the Y(4230) and evidence for a new vector charmonium-like state Y(4710) in e+e−→KS0​KS0​J/ψ

Study of e+e−→γϕJ/ψ from s​=4.600 to 4.951 GeV

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

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

Measurement of e+e−→ϕη′ cross sections at center-of-mass energies between 3.508 and 4.600 GeV

Observation of e+e−→π0π0ψ2​(3823)

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

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 CP-even fraction of D0→π+π−π+π−

Observation of the hindered electromagnetic Dalitz decay ψ(3686)→e+e−ηc​

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

Search for a massless dark photon in Λc+​→pγ′ decay

Measurement of the absolute branching fraction of the singly Cabibbo suppressed decay Λc+​→pη′

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

Study of ψ(3686)→ΛΛˉω

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

Study of the resonance structures in e+e−→π+π−J/ψ process

Measurements of the absolute branching fractions of hadronic D-meson decays involving kaons and pions

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

Measurements of Differential Cross Sections of Inclusive $π^{0}$ and $K_{S}^{0}$ Production in $e^{+} e^{-}$ Annihilation at Energies from 2.2324 to 3.6710 GeV

Observation of the $Y (4230)$ and evidence for a new vector charmonium-like state $Y (4710)$ in $e^{+} e^{-} \to K_{S}^{0} K_{S}^{0} J / ψ$

Study of $e^{+} e^{-} \to γ ϕ J / ψ$ from $s = 4.600$ to $4.951$ GeV

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

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

Measurement of $e^{+} e^{-} \to ϕ η^{'}$ cross sections at center-of-mass energies between 3.508 and 4.600 GeV

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

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

Observation of the hindered electromagnetic Dalitz decay $ψ (3686) \to e^{+} e^{-} η_{c}$

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

Search for a massless dark photon in $Λ_{c}^{+} \to p γ^{'}$ decay

Measurement of the absolute branching fraction of the singly Cabibbo suppressed decay $Λ_{c}^{+} \to p η^{'}$

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

Study of $ψ (3686) \to Λ Λ ˉ ω$

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 $J / ψ \to e μ$

Study of the resonance structures in $e^{+} e^{-} \to π^{+} π^{-} J / ψ$ process

Measurements of the absolute branching fractions of hadronic $D$ -meson decays involving kaons and pions