R.G. Liu

activity

19992010

J / ψ \to ϕ π^{+} π^{-}

and

ϕ K^{+} K^{-}

280 citations · 1.6k across the 40 of their papers we have counts for

collaborators

40 papers

hep-ex2010★ 13 cited

A study of charged kappa in $J / ψ \to K^{\pm} K_{s} π^{\mp} π^{0}$

M. Ablikim

Based on $58 \times 1 0^{6}$ $J / ψ$ events collected by BESII, the decay $J / ψ \to K^{\pm} K_{s} π^{\mp} π^{0}$ is studied. In the invariant mass spectrum recoiling against the charged $K^*…

hep-ex2009★ 5 cited

Measurement of the asymmetry parameter for the decay $Λ ˉ \to p ˉ π^{+}$

BES collaboration

Based on a sample of $58 \times 1 0^{6} J / ψ$ decays collected with the BESII detector at the BEPC, the $Λ ˉ$ decay parameter $α_{Λ ˉ}$ for $Λ ˉ \to p ˉ π^{+}$ is measured using abo…

hep-ex2008★ 9 cited

Measurements of J/ψdecays into ωK \bar{K} πand ϕK \bar{K} π

BES Collaboration

The decays of $J / ψ \to ω K K ˉ π$ and $J / ψ \to ϕ K K ˉ π$ are studied using $5.8 \times 1 0^{7}$ $J / ψ$ events collected with the Beijing Spectrometer (BESII) at the Beijing Electron…

hep-ex2007★ 4 cited

Search for the decays $J / ψ \to γ ρϕ$ and $J / ψ \to γ ρ ω$

BES Collaboration

Using 58 million $J / ψ$ events collected with the Beijing Spectrometer (BESII) at the Beijing Electron-Positron Collider, the decays $J / ψ \to γ ϕρ$ and $J / ψ \to γ ω ρ$ are searched for,…

hep-ex2007★ 42 cited

Study of Jψdecaying into ωp \bar p

BES Collaboration

The decay $J / ψ \to ω p p ˉ$ is studied using a $5.8 \times 1 0^{7}$ $J / ψ$ event sample accumulated with the BES II detector at the Beijing electron-positron collider. The decay branc…

hep-ex2006★ 54 cited

Production of $σ$ in $ψ (2 S) \to π^{+} π^{-} J / ψ$

BES Collaboration, M. Ablikim

Using 14M $ψ (2 S)$ events accumulated by BESII at the BEPC, a Covariant Helicity Amplitude Analysis is performed for $ψ (2 S) \to π^{+} π^{-} J / ψ, J / ψ \to μ^{+} μ^{-}$ . The $π^{+} π^{-}$ mass spectrum,…

hep-ex2006★ 4 cited

Improved measurement of $ψ (2 S)$ decays into $τ^{+} τ^{-}$

BES Collaboration, M. AblikimJ

Using 14M $ψ (2 S)$ events collected at BESII, the branching fraction of $ψ (2 S) \to τ^{+} τ^{-}$ is measured to be $B r_{τ τ} = (3.10 \pm 0.21 \pm 0.38) \times 1 0^{- 3}$ , where the first error…

hep-ex2006★ 38 cited

Observation of a broad 1^-- resonant structure around 1.5 GeV/ $c^{2}$ in the K^+K^- mass spectrum in J/psi --> K^+K^-pi^0

BES Collaboration, M. Ablikim

A broad peak is observed at low K^+K^- invariant mass in J/psi --> K^+K^-pi^0 decays found in a sample of 5.8\times 10^7 J/psi events collected with the BESII detector. A partial w…

hep-ex2006★ 90 cited

Observation of a near-threshold enhancement in the ωϕmass spectrum from the doubly OZI suppressed decay J/ψ\to γωϕ

BES Collaboration

An enhancement near threshold is observed in the ωϕinvariant mass spectrum from the doubly OZI suppressed decays of J/ψ\to γωϕ, based on a sample of 5.8 X 10^7 J/ψevents collected…

hep-ex2005★ 11 cited

Measurements of $J ψ$ decays into $ω π^{0}$ , $ω η$ , and $ω η^{'}$

M. Ablikim

Based on $5.8 \times 1 0^{7} J ψ$ events collected with BESII at the Beijing Electron-Positron Collider (BEPC), the decay branching fractions of $J ψ \to ω π^{0}$ , $ω η$ , and $ω η^{'}$ are measur…

hep-ex2005★ 15 cited

Obervation of χ_{cJ}--> omega omega decays

BES Collaboration, M. Ablikim

Decays of $χ_{c0,2}\ar\ww$ are observed for the first time using a sample of $14.0 \times 1 0^{6}$ $ψ (2 S)$ events collected with the BESII detector. The branching ratios are determined…

hep-ex2005★ 36 cited

Study of J/psi decays to Lambda Lambdabar and Sigma0 Sigma0bar

BES Collaboration, M. Ablikim

The branching ratios and Angular distributions for J/psi decays to Lambda Lambdabar and Sigma0 Sigma0bar are measured using BESII 58 million J/psi.

hep-ex2005★ 105 cited

Evidence for kappa Meson Production in J/psi -> bar{K}^*(892)^0K^+pi^- Process

M. Ablikim

Based on 58 million BESII J/psi events, the bar{K}^*(892)^0K^+pi^- channel in K^+K^-pi^+pi^- is studied. A clear low mass enhancement in the invariant mass spectrum of K^+pi^- is o…

hep-ex2005★ 20 cited

Precise measurement of spin-averaged chi_{cJ}(1P) mass using photon conversions in psi(2S) -> gamma chi_{cJ}

M. Ablikim, J. Z. Bai

Using photon conversions to e^+e^- pairs, the energy spectrum of inclusive photons from psi(2S) radiative decays is measured by BESII at the Beijing Electron-Positron Collider. The…

hep-ex2005★ 27 cited

Observation of p pbar pi^0 and p pbar eta in psi' decays

M. Ablikim

The processes psi'-->p pbar pi^0 and psi'-->p pbar eta are studied using a sample of 14 million psi' decays collected with the Beijing Spectrometer at the Beijing Electron-Positron…

hep-ex2004★ 7 cited

Measurements of J/psi Decays into 2(pi+pi-)eta and 3(pi+pi-)eta

M. Ablikim

Based on a sample of 5.8X 10^7 J/psi events taken with the BESII detector, the branching fractions of J/psi--> 2(pi+pi-)eta and J/psi-->3(pi+pi-)eta are measured for the first time…

hep-ex2004★ 280 cited

Resonances in $J / ψ \to ϕ π^{+} π^{-}$ and $ϕ K^{+} K^{-}$

M. Ablikim

A partial wave analysis is presented of $J / ψ \to ϕ π^{+} π^{-}$ and $ϕ K^{+} K^{-}$ from a sample of 58M $J / ψ$ events in the BES II detector. The $f_{0} (980)$ is observed clearly in both sets of…

hep-ex2004★ 19 cited

Search for K_S K_L in psi'' decays

M. Ablikim

K_S K_L from psi'' decays is searched for using the psi'' data collected by BESII at BEPC, the upper limit of the branching fraction is determined to be B(psi''--> K_S K_L) < 2.1\t…

hep-ex2004★ 3 cited

First Measurement of the Branching Ratio of $J / ψ \to γ f_{2} (1270) f_{2} (1270)$

BES Collaboration, M. Ablikim

Using 58 million $J / ψ$ events taken with the BES II detector at the Beijing Electron Positron Collider, a new decay mode $J / ψ \to γ f_{2} (1270) f_{2} (1270) \to γ π^{+} π^{-} π^{+} π^{-}$ is obser…

hep-ex2004★ 19 cited

Measurements of $ψ (2 S)$ decays into $ϕ π^{0}$ , $ϕ η$ , $ϕ η^{^{'}}$ , $ω η$ , and $ω η^{^{'}}$

BES Collaboration

Decays of the $ψ (2 S)$ into Vector plus Pseudoscalar meson final states have been studied with 14 million $ψ (2 S)$ events collected with the BESII detector. Branching fractions of $ψ…

hep-ex2004★ 26 cited

Observation of the decay $\psip\rar\kstark$

BES Collaboration, M. Ablikim

Using 14 million $ψ (2 S)$ events collected with the BESII detector, branching fractions of $\psip\rar\kstarkpm$ and $\kstarknn$ are determined to be: $\calB(\psip\rar\kstarkpm)=(2.9…

hep-ex2004★ 29 cited

Evidence for f0(980)f0(980) production in chi_c0 decays

BES Collaboration, M. Ablikim

Using a sample of 14 million $ψ (2 S)$ events accumulated with the BES II detector, evidence for $f_{0} (980) f_{0} (980)$ production in $χ_{c 0}$ decays is obtained for the first time; the…

hep-ex2004★ 15 cited

Study of psi(2S) decays to X J/psi

BES Collaboration, M. Ablikim

Using J/psi -> mu^+ mu^- decays from a sample of approximately 4 million psi(2S) events collected with the BESI detector, the branching fractions of psi(2S) -> eta J/psi, pi^0 pi^0…

hep-ex2004★ 27 cited

ψ(2S) Decays into $\J$ plus Two Photons

BES collaboration

Using $γγJ/ψ, J/ψ\ra e^+ e^-$ and $μ^{+} μ^{-}$ events from a sample of $14.0 \times 1 0^{6}$ $\psip$ decays collected with the BESII detector, the branching fractions for $\psip\ra π^0\J$…

A study of charged kappa in J/ψ→K±Ks​π∓π0

Measurement of the asymmetry parameter for the decay Λˉ→pˉ​π+

Measurements of J/ψdecays into ωK \bar{K} πand ϕK \bar{K} π

Search for the decays J/ψ→γρϕ and J/ψ→γρω

Study of Jψdecaying into ωp \bar p

Production of σ in ψ(2S)→π+π−J/ψ

Improved measurement of ψ(2S) decays into τ+τ−

Observation of a broad 1^-- resonant structure around 1.5 GeV/c2 in the K^+K^- mass spectrum in J/psi --> K^+K^-pi^0

Observation of a near-threshold enhancement in the ωϕmass spectrum from the doubly OZI suppressed decay J/ψ\to γωϕ

Measurements of Jψ decays into ωπ0, ωη, and ωη′

Obervation of χ_{cJ}--> omega omega decays

Study of J/psi decays to Lambda Lambdabar and Sigma0 Sigma0bar

Evidence for kappa Meson Production in J/psi -> bar{K}^*(892)^0K^+pi^- Process

Precise measurement of spin-averaged chi_{cJ}(1P) mass using photon conversions in psi(2S) -> gamma chi_{cJ}

Observation of p pbar pi^0 and p pbar eta in psi' decays

Measurements of J/psi Decays into 2(pi+pi-)eta and 3(pi+pi-)eta

Resonances in J/ψ→ϕπ+π− and ϕK+K−

Search for K_S K_L in psi'' decays

First Measurement of the Branching Ratio of J/ψ→γf2​(1270)f2​(1270)

Measurements of ψ(2S) decays into ϕπ0, ϕη, ϕη′, ωη, and ωη′

Observation of the decay $\psip\rar\kstark$

Evidence for f0(980)f0(980) production in chi_c0 decays

Study of psi(2S) decays to X J/psi

ψ(2S) Decays into $\J$ plus Two Photons

A study of charged kappa in $J / ψ \to K^{\pm} K_{s} π^{\mp} π^{0}$

Measurement of the asymmetry parameter for the decay $Λ ˉ \to p ˉ π^{+}$

Search for the decays $J / ψ \to γ ρϕ$ and $J / ψ \to γ ρ ω$

Production of $σ$ in $ψ (2 S) \to π^{+} π^{-} J / ψ$

Improved measurement of $ψ (2 S)$ decays into $τ^{+} τ^{-}$

Observation of a broad 1^-- resonant structure around 1.5 GeV/ $c^{2}$ in the K^+K^- mass spectrum in J/psi --> K^+K^-pi^0

Measurements of $J ψ$ decays into $ω π^{0}$ , $ω η$ , and $ω η^{'}$

Resonances in $J / ψ \to ϕ π^{+} π^{-}$ and $ϕ K^{+} K^{-}$

First Measurement of the Branching Ratio of $J / ψ \to γ f_{2} (1270) f_{2} (1270)$

Measurements of $ψ (2 S)$ decays into $ϕ π^{0}$ , $ϕ η$ , $ϕ η^{^{'}}$ , $ω η$ , and $ω η^{^{'}}$