J. K. C. Leung

activity

20102020

most citedImproved Measurement of Electron Antineutrino Disappearance at Daya Bay

346 citations · 1.5k across the 18 of their papers we have counts for

collaborators

18 papers

physics.ins-det2020★ 3 cited

Optimization of the JUNO liquid scintillator composition using a Daya Bay antineutrino detector

Daya Bay, JUNO collaborations, : +646

To maximize the light yield of the liquid scintillator (LS) for the Jiangmen Underground Neutrino Observatory (JUNO), a 20 t LS sample was produced in a pilot plant at Daya Bay. Th…

hep-ex2018★ 244 cited

Measurement of electron antineutrino oscillation with 1958 days of operation at Daya Bay

Daya Bay Collaboration, D. Adey, F. P. An +199

We report a measurement of electron antineutrino oscillation from the Daya Bay Reactor Neutrino Experiment with nearly 4 million reactor $ν_{e}$ inverse beta decay candida…

hep-ex2012★ 346 cited

Improved Measurement of Electron Antineutrino Disappearance at Daya Bay

Daya Bay Collaboration, F. P. An, Q. An +227

We report an improved measurement of the neutrino mixing angle $θ_{13}$ from the Daya Bay Reactor Neutrino Experiment. We exclude a zero value for $sin^{2} 2 θ_{13}$ with a significan…

hep-ex2012★ 46 cited

Observation of two new $N^{*}$ resonances in $ψ (3686) \to p p ˉ π^{0}$

BESIII Collaboration

Based on 106 $\times 1 0^{6} ψ (3686)$ events collected with the BESIII detector at the BEPCII facility, a partial wave analysis of $ψ (3686) \to p p ˉ π^{0}$ is performed. The bra…

hep-ex2011★ 95 cited

Spin-Parity Analysis of ppbar Mass Threshold Structure in J/psi and psi' Radiative Decays

BESIII Collaboration

A partial wave analysis of the $p p ˉ$ mass-threshold enhancement in the reaction $J / ψ \to γ p p ˉ$ is used to determine: its $J^{P C}$ quantum numbers to be $0^{-+}$ ; i…

hep-ex2011★ 12 cited

Search for $η_{c}^{'}$ decays into vector meson pairs

The BESIII Collaboration

The processes $\etacpto ρ^{0}ρ^{0}$, $K^{* 0} K ˉ^{* 0}$ , and $ϕϕ$ are searched for using a sample of $1.06 \times 1 0^{8}$ $\psip$ events collected with the BESIII detector at the B…

hep-ex2011★ 16 cited

Higher-order multipole amplitude measurement in $ψ (2 S) \to γ χ_{c 2}$

BESIII Collaboration

Using $106 \times 1 0^{6}$ $ψ (2 S)$ events collected with the BESIII detector at the BEPCII storage ring, the higher-order multipole amplitudes in the radiative transition $ψ(2S)\toγχ_{c…

hep-ex2011★ 36 cited

Search for a light exotic particle in J/psi radiative decays

BESIII Collaboration

Using a data sample containing 1.06x10^8 psi' events collected with the BESIII detector at the BEPCII electron-positron collider, we search for a light exotic particle X in the pro…

hep-ex2011★ 35 cited

Study of resonant structure around 1.8 GeV/ $c^{2}$ and $η (1405)$ in $J / ψ \to ω η π^{+} π^{-}$

BESIII Collaboration

We present results of a study of the decay $J / ψ \to ω η π^{+} π^{-}$ using a sample of $(225.2 \pm 2.8) \times 1 0^{6}$ $J / ψ$ events collected by the BESIII detector, and report the observ…

hep-ex2011★ 12 cited

Observation of χ_{cJ} decaying into the p\bar{p}K^{+}K^{-} final state

BESIII Collaboration

First measurements of the decays of the three $χ_{c J}$ states to $p p ˉ K^{+} K^{-}$ final states are presented. Intermediate $ϕ \to K^{+} K^{-}$ and $Λ (1520) \to p K^{-}$ resonance s…

hep-ex2011★ 154 cited

Study of $χ_{c J}$ radiative decays into a vector meson

BESIII Collaboration

The decays $χ_{c J} \to γ V$ ( $V = ϕ, ρ^{0}, ω$ ) are studied with a sample of radiative $\psip\toγχ_{cJ}$ events in a sample of $(1.06\pm0.04)\times 10^{8} \psip$ events collected with the…

hep-ex2011★ 39 cited

Measurement of the Matrix Element for the Decay $η^{'} \to η π^{+} π^{-}$

The BESIII Collaboration

The Dalitz plot of $η^{'} \to η π^{+} π^{-}$ decay is studied using $(225.2 \pm 2.8) \times 1 0^{6}$ $\jpsi$ events collected with the BESIII detector at the BEPCII $e^{+} e^{-}$ collider. Wi…

hep-ex2010★ 8 cited

First Observation of the Decays chi_{cJ} -> pi^0 pi^0 pi^0 pi^0

BESIII Collaboration

We present a study of the P-wave spin -triplet charmonium chi_{cJ} decays (J=0,1,2) into pi^0 pi^0 pi^0 pi^0. The analysis is based on 106 million \psiprime decays recorded with th…

hep-ex2010★ 152 cited

Confirmation of the X(1835) and observation of the resonances X(2120) and X(2370) in J/psi->gamma pi^+pi^-eta'

BESIII Collaboration

With a sample of (225.2\pm2.8)*10^{6} J/psi events registered in the BESIII detector, J/psi->gamma pi^+ pi^- eta' is studied using two eta' decay modes: eta'->pi^+ pi^- eta and eta…

hep-ex2010★ 50 cited

Study of a0(980)--f0(980) mixing

The BESIII Collaboration

Using samples of 2.25*10^8 J/psi events and 1.06*10^8 psi' events collected with the BES III detector, we study the f0(980) to a0(980) and a0(980) to f0(980) transitions in the pro…

hep-ex2010★ 37 cited

Evidence for psi' decays into gamma pi^0 and gamma eta

The BESIII Collaboration

The decays psi'->gamma pi^0, gamma eta and gamma eta' are studied using data collected with the BESIII detector at the BEPCII e^+e^- collider. Processes psi'->gamma pi^0 and psi'->…

hep-ex2010★ 96 cited

Measurements of h_c(^1P_1) in psi' Decays

The BESIII Collaboration

We present measurements of the charmonium state $h_{c} (^{1} P_{1})$ made with 106M $ψ^{'}$ events collected by BESIII at BEPCII. Clear signals are observed for $ψ^{'} \to π^{0} h_{c}$ with and withou…

hep-ex2010★ 162 cited

Branching fraction measurements of χ_{c0} and χ_{c2} to π^0π^0 and ηη

The BESIII Collaboration

Using a sample of 1.06 \times 10^8 ψ^{\prime} decays collected by the BESIII detector, χ_{c0} and χ_{c2} decays into π^0π^0 and ηηare studied. The branching fraction results are Br…

Optimization of the JUNO liquid scintillator composition using a Daya Bay antineutrino detector

Measurement of electron antineutrino oscillation with 1958 days of operation at Daya Bay

Improved Measurement of Electron Antineutrino Disappearance at Daya Bay

Observation of two new N∗ resonances in ψ(3686)→ppˉ​π0

Spin-Parity Analysis of ppbar Mass Threshold Structure in J/psi and psi' Radiative Decays

Search for ηc′​ decays into vector meson pairs

Higher-order multipole amplitude measurement in ψ(2S)→γχc2​

Search for a light exotic particle in J/psi radiative decays

Study of resonant structure around 1.8 GeV/c2 and η(1405) in J/ψ→ωηπ+π−

Observation of χ_{cJ} decaying into the p\bar{p}K^{+}K^{-} final state

Study of χcJ​ radiative decays into a vector meson

Measurement of the Matrix Element for the Decay η′→ηπ+π−

First Observation of the Decays chi_{cJ} -> pi^0 pi^0 pi^0 pi^0

Confirmation of the X(1835) and observation of the resonances X(2120) and X(2370) in J/psi->gamma pi^+pi^-eta'

Study of a0(980)--f0(980) mixing

Evidence for psi' decays into gamma pi^0 and gamma eta

Measurements of h_c(^1P_1) in psi' Decays

Branching fraction measurements of χ_{c0} and χ_{c2} to π^0π^0 and ηη

Observation of two new $N^{*}$ resonances in $ψ (3686) \to p p ˉ π^{0}$

Search for $η_{c}^{'}$ decays into vector meson pairs

Higher-order multipole amplitude measurement in $ψ (2 S) \to γ χ_{c 2}$

Study of resonant structure around 1.8 GeV/ $c^{2}$ and $η (1405)$ in $J / ψ \to ω η π^{+} π^{-}$

Study of $χ_{c J}$ radiative decays into a vector meson

Measurement of the Matrix Element for the Decay $η^{'} \to η π^{+} π^{-}$