C.-Q. Feng

activity

20152018

e^{+} e^{-} \to π^{+} π^{-}

Cross Section between 600 and 900 MeV Using Initial State Radiation

253 citations · 1.2k across the 25 of their papers we have counts for

collaborators

25 papers

hep-ex2018★ 16 cited

Search for a strangeonium-like structure $Z_{s}$ decaying into $ϕ π$ and a measurement of the cross section $e^{+} e^{-} \to ϕ π π$

M. Ablikim, M. N. Achasov, S. Ahmed +432

Using a data sample of $e^{+} e^{-}$ collision data corresponding to an integrated luminosity of 108 pb $^{- 1}$ collected with the BESIII detector at a center-of-mass energy of 2.125 GeV…

hep-ex2017★ 20 cited

Measurement of $e^{+} e^{-} \to π^{0} π^{0} ψ (3686)$ at $s$ from 4.009 to 4.600 GeV and observation of a neutral charmoniumlike structure

M. Ablikim, M. N. Achasov, S. Ahmed +436

Using $e^{+} e^{-}$ collision data collected with the BESIII detector at the BEPCII collider corresponding to an integrated luminosity of 5.2 $f b^{- 1}$ at center-of-mass energies ($…

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-ex2017★ 20 cited

Measurements of the branching fractions for the semi-leptonic decays $D_{s}^{+} \to ϕ e^{+} ν_{e}$ , $ϕ μ^{+} ν_{μ}$ , $η μ^{+} ν_{μ}$ and $η^{'} μ^{+} ν_{μ}$

M. Ablikim, M. N. Achasov, S. Ahmed +439

By analyzing 482 pb $^{- 1}$ of $e^{+} e^{-}$ collision data collected at the center-of-mass energy $s = 4.009$ GeV with the BESIII detector, we measure the %absolute branching fracti…

hep-ex2017★ 20 cited

Observation of the decay $Λ_{c}^{+} \to Σ^{-} π^{+} π^{+} π^{0}$

BESIII Collaboration, M Ablikim, M N Achasov +428

We report the first observation of the decay $Λ_{c}^{+} \to Σ^{-} π^{+} π^{+} π^{0}$ , based on data obtained in $e^{+} e^{-}$ annihilations with an integrated luminosity of 567~pb $^{- 1}$ at…

hep-ex2017★ 16 cited

Observation of $e^{+} e^{-} \to η h_{c}$ at center-of-mass energies from 4.085 to 4.600 GeV

BESIII collaboration, M. Ablikim, M. N. Achasov +425

We observe for the first time the process $e^{+} e^{-} \to η h_{c}$ with data collected by the BESIII experiment. Significant signals are observed at the center-of-mass energy…

hep-ex2017★ 54 cited

Analysis of $D^{+} \to K ˉ^{0} e^{+} ν_{e}$ and $D^{+} \to π^{0} e^{+} ν_{e}$ Semileptonic Decays

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

Using 2.93~fb $^{- 1}$ of data taken at 3.773 GeV with the BESIII detector operated at the BEPCII collider, we study the semileptonic decays $D^{+} \to K ˉ^{0} e^{+} ν_{e}$ and $D^+ \to π^0…

hep-ex2017★ 7 cited

Branching fraction measurements of $ψ (3686) \to γ χ_{c J}$

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

Using a sample of 106 million $ψ (3686)$ decays, the branching fractions of $ψ (3686) \to γ χ_{c 0}, ψ (3686) \to γ χ_{c 1}$ , and $ψ (3686) \to γ χ_{c 2}$ are measured with improved precisio…

hep-ex2016★ 39 cited

Observation of $Λ_{c}^{+} \to n K_{S}^{0} π^{+}$

M. Ablikim, M. N. Achasov, S. Ahmed +424

We report the first direct measurement of decays of the $Λ_{c}^{+}$ baryon involving the neutron. The analysis is performed using 567 pb $^{- 1}$ of $e^{+} e^{-}$ collision data collected at…

hep-ex2016★ 189 cited

Evidence of Two Resonant Structures in $e^{+} e^{-} \to π^{+} π^{-} h_{c}$

M. Ablikim, M. N. Achasov, S. Ahmed +424

The cross sections of $e^{+} e^{-} \to π^{+} π^{-} h_{c}$ at center-of-mass energies from 3.896 to 4.600 GeV are measured using data samples collected with the BESIII detector operating a…

hep-ex2016★ 65 cited

Determination of the number of $J / ψ$ events with inclusive $J / ψ$ decays

M. Ablikim, M. N. Achasov, X. C. Ai +405

A measurement of the number of $J / ψ$ events collected with the BESIII detector in 2009 and 2012 is performed using inclusive decays of the $J / ψ$ . The number of $J / ψ$ events taken…

hep-ex2016★ 8 cited

Measurement of the leptonic decay width of $J / ψ$ using initial state radiation

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

Using a data set of 2.93 fb $^{- 1}$ taken at a center-of-mass energy of $s$ = 3.773 GeV with the BESIII detector at the BEPCII collider, we measure the process $e^+e^-\righta…

hep-ex2016★ 7 cited

Observation of pseudoscalar and tensor resonances in $J / ψ \to γ ϕϕ$

M. Ablikim, M. N. Achasov, X. C. Ai +406

Based on a sample of $(1310.6 \pm 10.5) \times 1 0^{6}$ $J / ψ$ events collected with the BESIII detector operating at the BEPCII storage ring, a partial wave analysis of the decay $J…

hep-ex2015★ 7 cited

Measurement of the branching fraction for $ψ (3770) \to γ χ_{c 0}$

BESIII Collaboration, M. Ablikim, M. N. Achasov +409

By analyzing a data set of 2.92 fb $^{- 1}$ of $e^{+} e^{-}$ collision data taken at $s = 3.773 GeV$ and 106.41 $\times 1 0^{6}$ $ψ (3686)$ decays taken at $s = 3.686 GeV$ …

hep-ex2015★ 144 cited

Measurements of absolute hadronic branching fractions of $Λ_{c}^{+}$ baryon

BESIII Collaboration, M. Ablikim, M. N. Achasov +409

Using $567 pb^{- 1}$ of $e^{+} e^{-}$ collisions recorded at $s = 4.599 GeV$ with the BESIII detector, we report first measurements of absolute hadronic branching fractions…

hep-ex2015★ 15 cited

Search for a light CP-odd Higgs boson in the radiative decays of J/psi

The BESIII Collaboration, M. Ablikim

We search for a light Higgs boson $A^{0}$ in the fully reconstructed decay chain of $J / ψ \to γ A^{0}$ , $A^{0} \to μ^{+} μ^{-}$ using $(225.0 \pm 2.8) \times 1 0^{6}$ $J / ψ$ events colle…

hep-ex2015★ 7 cited

Study of Dynamics of $D^{0} \to K^{-} e^{+} ν_{e}$ and $D^{0} \to π^{-} e^{+} ν_{e}$ Decays

BESIII Collaboration, M. Ablikim, M. N. Achasov +400

In an analysis of a 2.92~fb $^{- 1}$ data sample taken at 3.773~GeV with the BESIII detector operated at the BEPCII collider, we measure the absolute decay branching fractions to be…

hep-ex2015★ 2 cited

Measurement of the form factors in the decay $D^{+} \to ω e^{+} ν_{e}$ and search for the decay $D^{+} \to ϕ e^{+} ν_{e}$

M. Ablikim, M. N. Achasov, X. C. Ai +398

Using 2.92 fb $^{- 1}$ of electron-positron annihilation data collected at a center-of-mass energy of $s = 3.773$ GeV with the BESIII detector, we present an improved measureme…

hep-ex2015★ 129 cited

Observation of $Z_{c} (3900)^{0}$ in $e^{+} e^{-} \to π^{0} π^{0} J / ψ$

BESIII Collaboration

Using a data sample collected with the BESIII detector operating at the BEPCII storage ring, we observe a new neutral state $Z_{c} (3900)^{0}$ with a significance of $10.4 σ$ . The mass…

hep-ex2015★ 253 cited

Measurement of the $e^{+} e^{-} \to π^{+} π^{-}$ Cross Section between 600 and 900 MeV Using Initial State Radiation

M. Ablikim, M. N. Achasov, X. C. Ai +398

We extract the $e^{+} e^{-} \to π^{+} π^{-}$ cross section in the energy range between 600 and 900 MeV, exploiting the method of initial state radiation. A data set with an integrated…

hep-ex2015★ 64 cited

Measurement of azimuthal asymmetries in inclusive charged dipion production in $e^{+} e^{-}$ annihilations at $s$ = 3.65 GeV

BESIII Collaboration, M. Ablikim, M. N. Achasov +398

We present a measurement of the azimuthal asymmetries of two charged pions in the inclusive process $e^{+} e^{-} \to π π X$ based on a data set of 62 $pb^{- 1}$ at the center-o…

hep-ex2015★ 47 cited

Measurement of the Matrix Elements for the Decays $η \to π^{+} π^{-} π^{0}$ and $η / η^{'} \to π^{0} π^{0} π^{0}$

M. Ablikim, M. N. Achasov, X. C. Ai +413

Based on a sample of $1.31 \times 1 0^{9}$ $J / ψ$ events collected with the BESIII detector at the BEPCII collider, Dalitz plot analyses of selected 79,625 $η \to π^{+} π^{-} π^{0}$ …

hep-ex2015★ 50 cited

Observation and Spin-Parity Determination of the $X (1835)$ in $J / ψ \to γ K_{S}^{0} K_{S}^{0} η$

M. Ablikim, M. N. Achasov, X. C. Ai +413

We report an observation of the process $J / ψ \to γ X (1835) \to γ K_{S}^{0} K_{S}^{0} η$ at low $K_{S}^{0} K_{S}^{0}$ mass with a statistical significance larger than 12.9 $σ$ using a data…

hep-ex2015★ 14 cited

An Improved Limit for Gamma_ee of X(3872) and Gamma_ee Measurement of psi(3686)

BESIII collaboration, M. Ablikim, M. N. Achasov +411

Using the data sets taken at center-of-mass energies above 4 GeV by the BESIII detector at the BEPCII storage ring, we search for the reaction e+e- -> gamma_ISR X(3872) -> gamma_IS…

Search for a strangeonium-like structure Zs​ decaying into ϕπ and a measurement of the cross section e+e−→ϕππ

Measurement of e+e−→π0π0ψ(3686) at s​ from 4.009 to 4.600 GeV and observation of a neutral charmoniumlike structure

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

Measurements of the branching fractions for the semi-leptonic decays Ds+​→ϕe+νe​, ϕμ+νμ​, ημ+νμ​ and η′μ+νμ​

Observation of the decay Λc+​→Σ−π+π+π0

Observation of e+e−→ηhc​ at center-of-mass energies from 4.085 to 4.600 GeV

Analysis of D+→Kˉ0e+νe​ and D+→π0e+νe​ Semileptonic Decays

Branching fraction measurements of ψ(3686)→γχcJ​

Observation of Λc+​→nKS0​π+

Evidence of Two Resonant Structures in e+e−→π+π−hc​

Determination of the number of J/ψ events with inclusive J/ψ decays

Measurement of the leptonic decay width of J/ψ using initial state radiation

Observation of pseudoscalar and tensor resonances in J/ψ→γϕϕ

Measurement of the branching fraction for ψ(3770)→γχc0​

Measurements of absolute hadronic branching fractions of Λc+​ baryon

Search for a light CP-odd Higgs boson in the radiative decays of J/psi

Study of Dynamics of D0→K−e+νe​ and D0→π−e+νe​ Decays

Measurement of the form factors in the decay D+→ωe+νe​ and search for the decay D+→ϕe+νe​

Observation of Zc​(3900)0 in e+e−→π0π0J/ψ

Measurement of the e+e−→π+π− Cross Section between 600 and 900 MeV Using Initial State Radiation

Measurement of azimuthal asymmetries in inclusive charged dipion production in e+e− annihilations at s​ = 3.65 GeV

Measurement of the Matrix Elements for the Decays η→π+π−π0 and η/η′→π0π0π0

Observation and Spin-Parity Determination of the X(1835) in J/ψ→γKS0​KS0​η

An Improved Limit for Gamma_ee of X(3872) and Gamma_ee Measurement of psi(3686)

Search for a strangeonium-like structure $Z_{s}$ decaying into $ϕ π$ and a measurement of the cross section $e^{+} e^{-} \to ϕ π π$

Measurement of $e^{+} e^{-} \to π^{0} π^{0} ψ (3686)$ at $s$ from 4.009 to 4.600 GeV and observation of a neutral charmoniumlike structure

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

Measurements of the branching fractions for the semi-leptonic decays $D_{s}^{+} \to ϕ e^{+} ν_{e}$ , $ϕ μ^{+} ν_{μ}$ , $η μ^{+} ν_{μ}$ and $η^{'} μ^{+} ν_{μ}$

Observation of the decay $Λ_{c}^{+} \to Σ^{-} π^{+} π^{+} π^{0}$

Observation of $e^{+} e^{-} \to η h_{c}$ at center-of-mass energies from 4.085 to 4.600 GeV

Analysis of $D^{+} \to K ˉ^{0} e^{+} ν_{e}$ and $D^{+} \to π^{0} e^{+} ν_{e}$ Semileptonic Decays

Branching fraction measurements of $ψ (3686) \to γ χ_{c J}$

Observation of $Λ_{c}^{+} \to n K_{S}^{0} π^{+}$

Evidence of Two Resonant Structures in $e^{+} e^{-} \to π^{+} π^{-} h_{c}$

Determination of the number of $J / ψ$ events with inclusive $J / ψ$ decays

Measurement of the leptonic decay width of $J / ψ$ using initial state radiation

Observation of pseudoscalar and tensor resonances in $J / ψ \to γ ϕϕ$

Measurement of the branching fraction for $ψ (3770) \to γ χ_{c 0}$

Measurements of absolute hadronic branching fractions of $Λ_{c}^{+}$ baryon

Study of Dynamics of $D^{0} \to K^{-} e^{+} ν_{e}$ and $D^{0} \to π^{-} e^{+} ν_{e}$ Decays

Measurement of the form factors in the decay $D^{+} \to ω e^{+} ν_{e}$ and search for the decay $D^{+} \to ϕ e^{+} ν_{e}$

Observation of $Z_{c} (3900)^{0}$ in $e^{+} e^{-} \to π^{0} π^{0} J / ψ$

Measurement of the $e^{+} e^{-} \to π^{+} π^{-}$ Cross Section between 600 and 900 MeV Using Initial State Radiation

Measurement of azimuthal asymmetries in inclusive charged dipion production in $e^{+} e^{-}$ annihilations at $s$ = 3.65 GeV

Measurement of the Matrix Elements for the Decays $η \to π^{+} π^{-} π^{0}$ and $η / η^{'} \to π^{0} π^{0} π^{0}$

Observation and Spin-Parity Determination of the $X (1835)$ in $J / ψ \to γ K_{S}^{0} K_{S}^{0} η$