C.-Q. Feng

activity

20122018

most citedObservation of a charged (DD*bar)- mass peak in e+e- --> pi+ (DD*bar)- at Ecm=4.26 GeV

310 citations · 1.4k across the 24 of their papers we have counts for

collaborators

24 papers

physics.ins-det2018

T0 Fan-out for Back-n White Neutron Facility at CSNS

X. Y. Ji, P. Cao, T. Yu +68

the main physics goal for Back-n white neutron facility at China Spallation Neutron Source (CSNS) is to measure nuclear data. The energy of neutrons is one of the most important pa…

hep-ex2018★ 18 cited

Study of $η (1475)$ and $X (1835)$ in radiative $J / ψ$ decays to $γ ϕ$

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

The decay $J / ψ \to γ γ ϕ$ is studied using a sample of $1.31 \times 1 0^{9}$ $J / ψ$ events collected with the BESIII detector. Two structures around 1475 MeV/c $^{2}$ and 1835 MeV/c…

hep-ex2017★ 88 cited

Observation of a cross-section enhancement near mass threshold in $e^{+} e^{-} \to Λ Λ ˉ$

M. Ablikim, M. N. Achasov, S. Ahmed +428

The process $e^{+} e^{-} \to Λ Λ ˉ$ is studied using data samples at $s = 2.2324$ , 2.400, 2.800 and 3.080 GeV collected with the BESIII detector operating at the BEPCII…

hep-ex2017★ 105 cited

Measurement of $e^{+} e^{-} \to π^{+} π^{-} ψ (3686)$ from 4.008 to 4.600 $\sim$ GeV and observation of a charged structure in the $π^{\pm} ψ (3686)$ mass spectrum

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

We study the process $e^{+} e^{-} \to π^{+} π^{-} ψ (3686)$ using 5.1 $f b^{- 1}$ of data collected at 16 center-of-mass energy ( $s$ ) points from 4.008 to 4.600 $\sim$ GeV b…

hep-ex2016★ 4 cited

Observation of the helicity-selection-rule suppressed decay of the $χ_{c 2}$ charmonium state

BESIII Collaboration, M. Ablikim, M. N. Achasov +424

The decays of $χ_{c 2} \to K^{+} K^{-} π^{0}$ , $K_{S} K^{\pm} π^{\mp}$ and $π^{+} π^{-} π^{0}$ are studied with the $ψ (3686)$ data samples collected with the Beijing Spectrometer (BESIII)…

cs.CV2015★ 37 cited

Learning to Recognize Pedestrian Attribute

Yubin Deng, Ping Luo, Chen Change Loy +1

Learning to recognize pedestrian attributes at far distance is a challenging problem in visual surveillance since face and body close-shots are hardly available; instead, only far-…

hep-ex2014★ 16 cited

Precision measurement of the $D^{* 0}$ decay branching fractions

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

Using 482 pb $^{- 1}$ of data taken at $s = 4.009$ GeV, we measure the branching fractions of the decays of $D^{* 0}$ into $D^{0} π^{0}$ and $D^{0} γ$ to be $\BR(D^{*0} \to D^0π^0)=(65.5…

hep-ex2014★ 24 cited

Search for the $Y (4140)$ via $e^{+} e^{-} \to γ ϕ J / ψ$ at $s =$ 4.23, 4.26 and 4.36 GeV

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

Using data samples collected at center-of-mass energies $s = 4.23$ , 4.26, and 4.36 GeV with the BESIII detector operating at the BEPCII storage ring, we search for the produ…

hep-ex2014★ 11 cited

Search for the weak decays $J / ψ \to D_{s}^{(*)} e ν_{e}$

BESIII collaboration, M. Ablikim, M. N. Achasov +405

Using a sample of $2.25 \times 1 0^{8}$ $J / ψ$ events collected with the BESIII detector at the BEPCII collider, we search for the $J / ψ$ semi-leptonic weak decay $J/ψ\to D^{-}_{s} e^{+}…

hep-ex2014★ 133 cited

Study of $e^{+} e^{-} \to ω χ_{c J}$ at center-of-mass energies from 4.21 to 4.42 GeV

BESIII Collaboration, M. Ablikim, M. N. Achasov +405

Based on data samples collected with the BESIII detector at the BEPCII collider at 9 center-of-mass energies from 4.21 to 4.42 GeV, we search for the production of $e^+e^-\to ωχ_{c…

hep-ex2014★ 8 cited

Observation of $J / ψ \to p p ˉ a_{0} (980)$ at BESIII

M. Ablikim, M. N. Achasov, X. C. Ai +389

Using $2.25 \times 1 0^{8}$ $J / ψ$ events collected with the BESIII detector at the BEPCII storage rings, we observe for the first time the process $J / ψ \to p p ˉ a_{0} (980)$ ,…

hep-ex2014★ 126 cited

Observation of $e^{+} e^{-} \to π^{0} π^{0} h_{c}$ and a neutral charmoniumlike structure $Z_{c} (4020)^{0}$

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

Using data collected with the BESIII detector operating at the Beijing Electron Positron Collider at center-of-mass energies of $s = 4.23$ , 4.26, and 4.36~GeV, we observe $\EE…

hep-ex2014★ 1 cited

Search for the radiative transitions $ψ (3770) \to γ η_{c}$ and $γ η_{c} (2 S)$

M. Ablikim, M. N. Achasov, X. C. Ai +380

By using a 2.92 fb $^{- 1}$ data sample taken at $s = 3.773$ GeV with the BESIII detector operating at the BEPCII collider, we search for the radiative transitions $ψ(3770)\to…

hep-ex2014★ 17 cited

Study of e $^{+}$ e $^{-}$ $\to p p π^{0}$ in the Vicinity of the $ψ (3770)$

M. Ablikim, M. N. Achasov, X. C. Ai +375

The process $e^{+} e^{-} \to p p π^{0}$ has been studied by analyzing data collected at $s = 3.773$ GeV, at $s = 3.650$ GeV, and during a $ψ (3770)$ line shape sc…

hep-ex2014★ 4 cited

Measurement of the branching fraction for $ψ (3686) \to ω K^{+} K^{-}$

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

With $1.06 \times 1 0^{8}$ $ψ (3686)$ events collected with the BESIII detector, the branching fraction of $ψ (3686) \to ω K^{+} K^{-}$ is measured to be $(1.54 \pm 0.04 \pm 0.11) \times 10^{…

hep-ex2014★ 10 cited

Search for the rare decays $J / ψ \to D_{s}^{-} ρ^{+}$ and $J / ψ \to D^{0} K^{* 0}$

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

A search for the rare decays of $J / ψ \to D_{s}^{-} ρ^{+} + c . c .$ and $J / ψ \to D^{0} K^{* 0} + c . c .$ is performed with a data sample of 225.3 million $J / ψ$ events co…

hep-ex2014★ 19 cited

Amplitude Analysis of the $D^{+} \to K_{S}^{0} π^{+} π^{0}$ Dalitz Plot

BESIII Collaboration, M. Ablikim, M. N. Achasov +375

We perform an analysis of the $D^{+} \to K_{S}^{0} π^{+} π^{0}$ Dalitz plot using a data set of 2.92 fb $^{- 1}$ of $e^{+} e^{-}$ collisions at the $ψ (3770)$ mass accumulated by the BESIII Experime…

hep-ex2013★ 56 cited

Precision measurements of $B (D^{+} \to μ^{+} ν_{μ})$ , the pseudoscalar decay constant $f_{D^{+}}$ , and the quark mixing matrix element $∣ V_{cd} ∣$

BESIII Collaboration, M. Ablikim, M. N. Achasov +375

We report a measurement of the branching fraction $B (D^{+} \to μ^{+} ν_{μ}) = [3.71 \pm 0.19 (stat) \pm 0.06 (sys)] \times 1 0^{- 4}$ based on 2.92 $f b^{- 1}$ of data a…

hep-ex2013★ 310 cited

Observation of a charged (DDbar)- mass peak in e+e- --> pi+ (DDbar)- at Ecm=4.26 GeV

M. Ablikim, M. N. Achasov, O. Albayrak +1

We report on a study of the process e+e- --> pi+(D D*bar)- at Ecm=4.26 GeV using a 525 /pb data sample collected with the BESIII detector at the BEPCII storage ring. A distinct cha…

hep-ex2013★ 297 cited

Observation of a charged charmoniumlike structure in $e^{+} e^{-} \to (D^{} D ˉ^{})^{\pm} π^{\mp}$ at $s = 4.26$ GeV

BESIII collaboration, M. Ablikim, M. N. Achasov +358

We study the process $e^{+} e^{-} \to (D^{*} D ˉ^{*})^{\pm} π^{\mp}$ at a center-of-mass energy of 4.26GeV using a 827pb $^{- 1}$ data sample obtained with the BESIII detector at the Be…

hep-ex2013★ 22 cited

Precision Measurements of $B [ψ (3686) \to π^{+} π^{-} J / ψ]$ and $B [J / ψ \to l^{+} l^{-}]$

BESIII Collaboration, M. Ablikim, M. N. Achasov +356

Based on $(106.41 \pm 0.86) \times 1 0^{6}$ $ψ (3686)$ events collected with the BESIII detector at the BEPCII collider, the branching fractions of $ψ (3686) \to π^{+} π^{-} J / ψ$ , $J/ψ\to e…

hep-ex2012★ 7 cited

Observation of $η_{c}$ decay into $Σ^{+} Σ ˉ^{-}$ and $Ξ^{-} Ξ ˉ^{+}$ final states

The BESIII Collaboration, M. Ablikim, M. N. Achasov +349

Using a data sample of $2.25 \times 1 0^{8}$ $J / ψ$ events collected with the BESIII detector, we present the first observation of the decays of $η_{c}$ mesons to $Σ^{+} Σ ˉ^{-}$ and…

hep-ex2012★ 55 cited

Study of $ψ (3686) \to π^{0} h_{c}, h_{c} \to γ η_{c}$ via $η_{c}$ exclusive decays

The BESIII Collaboration, M. Ablikim, M. N. Achasov +346

The process $ψ (3686) \to π^{0} h_{c}, h_{c} \to γ η_{c}$ has been studied with a data sample of $106 \pm 4$ million $ψ (3686)$ events collected with the BESIII detector at the BEPCII storage…

hep-ex2012★ 24 cited

Search for $η$ and $η^{'}$ Invisible Decays in $J / ψ \to ϕ η$ and $ϕ η^{'}$

M. Ablikim, M. N. Achasov, O. Albayrak +340

Using a sample of $(225.3 \pm 2.8) \times 1 0^{6}$ $J / ψ$ decays collected with the BESIII detector at BEPCII, searches for invisible decays of $η$ and $η^{'}$ in $J / ψ \to ϕ η$ and $ϕη…

T0 Fan-out for Back-n White Neutron Facility at CSNS

Study of η(1475) and X(1835) in radiative J/ψ decays to γϕ

Observation of a cross-section enhancement near mass threshold in e+e−→ΛΛˉ

Measurement of e+e−→π+π−ψ(3686) from 4.008 to 4.600∼GeV and observation of a charged structure in the π±ψ(3686) mass spectrum

Observation of the helicity-selection-rule suppressed decay of the χc2​ charmonium state

Learning to Recognize Pedestrian Attribute

Precision measurement of the D∗0 decay branching fractions

Search for the Y(4140) via e+e−→γϕJ/ψ at s​= 4.23, 4.26 and 4.36 GeV

Search for the weak decays J/ψ→Ds(∗)​eνe​

Study of e+e−→ωχcJ​ at center-of-mass energies from 4.21 to 4.42 GeV

Observation of J/ψ→ppˉ​a0​(980) at BESIII

Observation of e+e−→π0π0hc​ and a neutral charmoniumlike structure Zc​(4020)0

Search for the radiative transitions ψ(3770)→γηc​ and γηc​(2S)

Study of e+e− →pp​π0 in the Vicinity of the ψ(3770)

Measurement of the branching fraction for ψ(3686)→ωK+K−

Search for the rare decays J/ψ→Ds−​ρ+ and J/ψ→D0K∗0

Amplitude Analysis of the D+→KS0​π+π0 Dalitz Plot

Precision measurements of B(D+→μ+νμ​), the pseudoscalar decay constant fD+​, and the quark mixing matrix element ∣Vcd​∣

Observation of a charged (DD*bar)- mass peak in e+e- --> pi+ (DD*bar)- at Ecm=4.26 GeV

Observation of a charged charmoniumlike structure in e+e−→(D∗Dˉ∗)±π∓ at s​=4.26GeV

Precision Measurements of B[ψ(3686)→π+π−J/ψ] and B[J/ψ→l+l−]

Observation of ηc​ decay into Σ+Σˉ− and Ξ−Ξˉ+ final states

Study of ψ(3686)→π0hc​,hc​→γηc​ via ηc​ exclusive decays

Search for η and η′ Invisible Decays in J/ψ→ϕη and ϕη′