C.-Q. Feng

activity

20122022

most citedObservation of an isoscalar resonance with exotic

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

quantum numbers in

J / ψ \to γ η η^{'}

84 citations · 716 across the 26 of their papers we have counts for

collaborators

Showing hep-exShow all

25 papers · 1 filter

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★ 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★ 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★ 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★ 32 cited

Observation of $a_{0} (1710)^{+} \to K_{S}^{0} K^{+}$ in study of the $D_{s}^{+} \to K_{S}^{0} K^{+} π^{0}$ decay

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

Using $e^{+} e^{-}$ annihilation data corresponding to an integrated luminosity of 6.32 fb $^{- 1}$ collected at center-of-mass energies between 4.178 GeV and 4.226 GeV with the BESIII de…

hep-ex2022★ 83 cited

Precise Measurements of Decay Parameters and $C P$ Asymmetry with Entangled $Λ - Λ ˉ$ Pairs

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

Based on 10 billion $J / ψ$ events collected at the BESIII experiment, a search for $C P$ violation in $Λ$ decay is performed in the difference between $C P$ -odd decay parameters $α_{-…

hep-ex2022★ 26 cited

Observation of resonance structures in $e^{+} e^{-} \to π^{+} π^{-} ψ_{2} (3823)$ and mass measurement of $ψ_{2} (3823)$

BESIII Collaboration, M. Ablikim, M. N. Achasov +547

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 meas…

hep-ex2022★ 84 cited

Observation of an isoscalar resonance with exotic $J^{P C} = 1^{-+}$ quantum numbers in $J / ψ \to γ η η^{'}$

M. Ablikim, M. N. Achasov, P. Adlarson +523

Using a sample of (10.09 $\pm$ 0.04) $\times$ 10 $^{9}$ $J / ψ$ events collected with the BESIII detector operating at the BEPCII storage ring, a partial wave analysis of the decay $J/ψ\r…

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-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★ 10 cited

Observation of $J / ψ$ Electromagnetic Dalitz Decays to $X (1835)$ , $X (2120)$ and $X (2370)$

BESIII Collaboration, M. Ablikim, M. N. Achasov +543

Using a sample of about 10 billion $J / ψ$ events collected at a center-of-mass energy $s = 3.097$ GeV with the BESIII detector, the electromagnetic Dalitz decays $J/ψ\to e^+e^…

hep-ex2021★ 4 cited

Observation of $D^{0 (+)} \to K_{S}^{0} π^{0 (+)} ω$ and improved measurement of $D^{0} \to K^{-} π^{+} ω$

M. Ablikim, M. N. Achasov, P. Adlarson +502

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

hep-ex2021★ 5 cited

First measurement of polarizations in the decay $D^{0} \to ω ϕ$

BESIII Collaboration, M. Ablikim, M. N. Achasov +502

Using a data sample corresponding to an integrated luminosity of 2.93 fb $^{- 1}$ collected at a center-of-mass energy $s = 3.773$ GeV by the BESIII detector, the decay $D^0 \to…

hep-ex2017★ 12 cited

Observation of $e^{+} e^{-} \to ϕ χ_{c 1}$ and $ϕ χ_{c 2}$ at $s$ =4.600 GeV

M. Ablikim, M. N. Achasov, S. Ahmed +427

Using a data sample collected with the BESIII detector operating at the BEPCII storage ring at a center-of-mass energy of $s = 4.600$ GeV, we search for the production of $e^{…

hep-ex2015★ 12 cited

Observation of $η^{'} \to ω e^{+} e^{-}$

M. Ablikim, M. N. Achasov, X. C. Ai +402

Based on a sample of \etapr mesons produced in the radiative decay $J / ψ \to γ η^{'}$ in $1.31 \times 1 0^{9}$ $J / ψ$ events collected with the BESIII detector, the decay $η^{\prime}\t…

hep-ex2015★ 83 cited

Observation of a neutral charmoniumlike state $Z_{c} (4025)^{0}$ in $e^{+} e^{-} \to (D^{} D ˉ^{})^{0} π^{0}$

BESIII collaboration, M. Ablikim, M. N. Achasov +414

We report a study of the process $e^{+} e^{-} \to (D^{*} D ˉ^{*})^{0} π^{0}$ using $e^{+} e^{-}$ collision data samples with integrated luminosities of $1092 pb^{- 1}$ at $\sqrt{s…

hep-ex2014★ 50 cited

Measurement of the $D \to K^{-} π^{+}$ strong phase difference in $ψ (3770) \to D^{0} D^{0}$

BESIII Collaboration, M. Ablikim, M. N. Achasov +381

We study $D^{0} D^{0}$ pairs produced in $e^{+} e^{-}$ collisions at $s = 3.773$ GeV using a data sample of 2.92 fb $^{- 1}$ collected with the BESIII detector. We measure th…

hep-ex2014★ 26 cited

Observation of Electromagnetic Dalitz decays J/ψ\to P e^+e^-

M. Ablikim, M. N. Achasov, X. C. Ai +377

Based on a sample of (225.3\pm2.8)\times 10^{6} J/ψevents collected with the BESIII detector, the electromagnetic Dalitz decays of J/ψ\to P e^+e^-(P=η'/η/π^0) are studied. By recon…

hep-ex2014★ 26 cited

Study of $e^{+} e^{-} \to p p ˉ$ in the vicinity of $ψ (3770)$

BESIII Collaboration, M. Ablikim, M. N. Achasov +376

Using 2917 $pb^{- 1}$ of data accumulated at 3.773~ $GeV$ , 44.5~ $pb^{- 1}$ of data accumulated at 3.65~ $GeV$ and data accumulated during a $ψ (3770)$ line-shape sca…

hep-ex2013★ 6 cited

Observation of the decay $ψ (3686)$ $\to$ $Λ Σ ˉ^{\pm} π^{\mp} + c . c .$

BESIII collaboration, M. Ablikim, M. N. Achasov +373

Using a sample of $1.06 \times 1 0^{8}$ $ψ (3686)$ events collected with the BESIII detector, we present the first observation of the decays of $ψ (3686)$ $\to$ $Λ\barΣ^{+}π^{-}…

hep-ex2013★ 16 cited

Search for Baryonic Decays of ψ(3770) and ψ(4040)

BESIII Collaboration, M. Ablikim, M. N. Achasov +361

By analyzing data samples of 2.9 fb^{-1} collected at \sqrt s=3.773 GeV, 482 pb^{-1} collected at \sqrt s=4.009 GeV and 67 pb^{-1} collected at \sqrt s=3.542, 3.554, 3.561, 3.600 a…

hep-ex2013★ 16 cited

Search for the Lepton Flavor Violation Process $J / ψ \to e μ$ at BESIII

BESIII Collaboration, M. Ablikim, M. N. Achasov +361

We search for the lepton-flavor-violating decay of the $J / ψ$ into an electron and a muon using $(225.3 \pm 2.8) \times 1 0^{6}$ $J / ψ$ events collected with the BESIII detector at the B…

hep-ex2012★ 16 cited

Measurement of $χ_{c J}$ decaying into $p n ˉ π^{-}$ and $p n ˉ π^{-} π^{0}$

M. Ablikim, M. N. Achasov, O. Albayrak +345

Using a data sample of $1.06 \times 1 0^{8}$ $\psip$ events collected with the BESIII detector in 2009, the branching fractions of $χ_{c J} \to p n ˉ π^{-}$ and $χ_{cJ}\to p\bar{n}π…

hep-ex2012★ 20 cited

Two-photon widths of the $χ_{c 0, 2}$ states and helicity analysis for $χ_{c2}\arγγ$}

BESIII Collaboration, M. Ablikim, M. N. Achasov +354

Based on a data sample of 106 M $ψ^{'}$ events collected with the BESIII detector, the decays $ψ^{\prime}\arγχ_{c0, 2}$,$χ_{c0, 2}\arγγ$ are studied to determine the two-photo…

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

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

Evidence for the Cusp Effect in η′ Decays into ηπ0π0

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

Observation of a0​(1710)+→KS0​K+ in study of the Ds+​→KS0​K+π0 decay

Precise Measurements of Decay Parameters and CP Asymmetry with Entangled Λ−Λˉ Pairs

Observation of resonance structures in e+e−→π+π−ψ2​(3823) and mass measurement of ψ2​(3823)

Observation of an isoscalar resonance with exotic JPC=1−+ quantum numbers in J/ψ→γηη′

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

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

Observation of J/ψ Electromagnetic Dalitz Decays to X(1835), X(2120) and X(2370)

Observation of D0(+)→KS0​π0(+)ω and improved measurement of D0→K−π+ω

First measurement of polarizations in the decay D0→ωϕ

Observation of e+e−→ϕχc1​ and ϕχc2​ at s​=4.600 GeV

Observation of η′→ωe+e−

Observation of a neutral charmoniumlike state Zc​(4025)0 in e+e−→(D∗Dˉ∗)0π0

Measurement of the D→K−π+ strong phase difference in ψ(3770)→D0D0

Observation of Electromagnetic Dalitz decays J/ψ\to P e^+e^-

Study of e+e−→ppˉ​ in the vicinity of ψ(3770)

Observation of the decay ψ(3686) → ΛΣˉ±π∓+c.c.

Search for Baryonic Decays of ψ(3770) and ψ(4040)

Search for the Lepton Flavor Violation Process J/ψ→eμ at BESIII

Measurement of χcJ​ decaying into pnˉπ− and pnˉπ−π0

Two-photon widths of the χc0,2​ states and helicity analysis for $χ_{c2}\arγγ$}

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

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

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

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

Observation of $a_{0} (1710)^{+} \to K_{S}^{0} K^{+}$ in study of the $D_{s}^{+} \to K_{S}^{0} K^{+} π^{0}$ decay

Precise Measurements of Decay Parameters and $C P$ Asymmetry with Entangled $Λ - Λ ˉ$ Pairs

Observation of resonance structures in $e^{+} e^{-} \to π^{+} π^{-} ψ_{2} (3823)$ and mass measurement of $ψ_{2} (3823)$

Observation of an isoscalar resonance with exotic $J^{P C} = 1^{-+}$ quantum numbers in $J / ψ \to γ η η^{'}$

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

Observation of $J / ψ$ Electromagnetic Dalitz Decays to $X (1835)$ , $X (2120)$ and $X (2370)$

Observation of $D^{0 (+)} \to K_{S}^{0} π^{0 (+)} ω$ and improved measurement of $D^{0} \to K^{-} π^{+} ω$

First measurement of polarizations in the decay $D^{0} \to ω ϕ$

Observation of $e^{+} e^{-} \to ϕ χ_{c 1}$ and $ϕ χ_{c 2}$ at $s$ =4.600 GeV

Observation of $η^{'} \to ω e^{+} e^{-}$

Observation of a neutral charmoniumlike state $Z_{c} (4025)^{0}$ in $e^{+} e^{-} \to (D^{} D ˉ^{})^{0} π^{0}$

Measurement of the $D \to K^{-} π^{+}$ strong phase difference in $ψ (3770) \to D^{0} D^{0}$

Study of $e^{+} e^{-} \to p p ˉ$ in the vicinity of $ψ (3770)$

Observation of the decay $ψ (3686)$ $\to$ $Λ Σ ˉ^{\pm} π^{\mp} + c . c .$

Search for the Lepton Flavor Violation Process $J / ψ \to e μ$ at BESIII

Measurement of $χ_{c J}$ decaying into $p n ˉ π^{-}$ and $p n ˉ π^{-} π^{0}$

Two-photon widths of the $χ_{c 0, 2}$ states and helicity analysis for $χ_{c2}\arγγ$}