P. P. Zhao

activity

20012010

J / ψ \to ϕ π^{+} π^{-}

and

ϕ K^{+} K^{-}

280 citations · 1.9k across the 56 of their papers we have counts for

collaborators

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56 papers · 1 filter

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★ 21 cited

First measurements of J/Psi decays into $Σ^{+} Σ ˉ^{-}$ and $Ξ^{0} Ξ ˉ^{0}$

BES Collaboration

Based on 58 million J/Psi events collected with the BESII detector at the BEPC, the baryon pair processes J/Psi to $Σ^{+} Σ ˉ^{-}$ and J/Psi to $Ξ^{0} Ξ ˉ^{0}$ are observed for the fir…

hep-ex2008★ 6 cited

Direct Measurements of Absolute Branching Fractions for D0 and D+ Inclusive Semimuonic Decays

BES Collaboration, M. Ablikim

By analyzing about 33 $p b^{- 1}$ data sample collected at and around 3.773 GeV with the BES-II detector at the BEPC collider, we directly measure the branching fractions for the…

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★ 2 cited

Search for the C-parity violating process J/psi->gamma gamma via psi(2S)->pi+pi- J/psi

M. Ablikim, J. Z. Bai

Using 14.0\times 10^6 ψ(2S) events collected with the BES-II detector, the C-parity violating process J/psi->gamma gamma via psi(2S)->pi+pi- J/psi is studied. We determine a new up…

hep-ex2007★ 4 cited

Measurements of $J / ψ$ and $ψ (2 S)$ decays into $Λ Λ ˉ π^{0}$ and $Λ Λ ˉ η$

BES Collaboration, M. Ablikim

Using 58 million $J / ψ$ and 14 million $ψ (2 S)$ events collected by the BESII detector at the BEPC, branching fractions or upper limits for the decays $J / ψ$ and $ψ (2 S) \to Λ Λ ˉ π^{0}$ …

hep-ex2006★ 47 cited

Measurements of the continuum $R_{uds}$ and $R$ values in $e^{+} e^{-}$ annihilation in the energy region between 3.650 and 3.872 GeV

M. Ablikim et al

We report measurents of the continuum $R_{uds}$ near the center-of-mass energy of 3.70 GeV, the $R_{uds (c) + ψ (3770)} (s)$ and the $R_{had} (s)$ values in $e^{+} e^{-}$ annihi…

hep-ex2006★ 23 cited

Measurement of $\psip$ Radiative Decays

M. Ablikim, J. Z. Bai, Y. Ban +1

Using 14 million psi(2S) events accumulated at the BESII detector, we report first measurements of branching fractions or upper limits for psi(2S) decays into gamma ppbar, gamma 2(…

hep-ex2006★ 3 cited

Measurements of branching fractions for inclusive K0~/K0 and K*(892)+- decays of neutral and charged D mesons

M. Ablikim

Using the data sample of about 33 pb-1 collected at and around 3.773 GeV with the BES-II detector at the BEPC collider, we have studied inclusive K0~/K0 and K*(892)+- decays of D0…

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★ 28 cited

Measurements of psi(2S) decays to octet baryon-antibaryon pairs

The BES Collaboration, M. Ablikim

With a sample of 14 million psi(2S) events collected by the BESII detector at the Beijing Electron Positron Collider (BEPC), the decay channels psi(2S)->p p-bar, Lambda Lambda-bar,…

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★ 11 cited

Measurements of $\psip$ decays into $γ K K ˉ π$ and $γη\pipi$

M. Ablikim

Radiative decays of the $\psip$ into $γ K K ˉ π$ and $γη\pipi$ final states are studied using 14 million $\psip$ events collected with the BESII detector. Branching fractions or u…

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★ 98 cited

Measurements of the braching fractions for psi(3770)--> D0D0-bar,D+D-,DD-bar$ and the resonance parameters of psi(3770) and psi(2S)

M. Ablikim et al.

We report measurements of the branching fractions for $ψ (3770) \to D^{0} D ˉ^{0}, D^{+} D^{-}, D D ˉ$ and resonance parameters of $ψ (3770)$ and $ψ (2 S)$ . By analyzing the line-shapes of…

hep-ex2006★ 38 cited

Pseudoscalar production at omega omega threshold in J/psi -> gamma omega omega

Bes Collaboration

The decay channel J/ψ->gamma omega omega, omega -> pi+ pi- pi0 is analyzed using a sample of 5.8x10^7 J/psi events collected with the BESII detector. The omega omega invariant mass…

hep-ex2006★ 13 cited

First observation of $ψ (2 S) \to p n ˉ π^{-} + c . c .$

M. Ablikim, BES Collaboration

Using 14 million $ψ (2 S)$ events collected with the Beijing Spectrometer (BESII) at the Beijing Electron-Positron Collider, the branching fractions of $ψ (2 S)$ decays to $p \bar{n} π…

hep-ex2006★ 7 cited

Measurement of chi_cJ Decays to 2(pi^+pi^-)ppbar Final States

M. Ablikim

Using chi_cJ -> 2(π^+π^-) ppbar decays from 14 \times 10^6 psi(2S) events accumulated by the BESII detector at the BEPC, the intermediate states Xi^+Xi^-, Lambda Lambdabar pi^+ pi^…

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★ 3 cited

Measurement of branching fractions for the inclusive Cabibbo-favored ~K0(892) and Cabibbo-suppressed K0(892) decays of neutral and charged D mesons

M. Ablikim, BES Collaboration

The branching fractions for the inclusive Cabibbo-favored ~K*0 and Cabibbo-suppressed K*0 decays of D mesons are measured based on a data sample of 33 pb-1 collected at and around…

hep-ex2005★ 15 cited

Measurement of the branching fractions for $J / ψ \to γ π^{0}$ , $γ η$ and $γ η^{'}$

M. Ablikim, J. Z. Bai, BES Collaboration

The decay modes $\jpsi\arγπ^0, γη$ and $γ\etap$ are analyzed using a data sample of 58 million $\jpsi$ decays collected with the BESII detector at BEPC. The branching fractions are…

hep-ex2005★ 65 cited

Partial Wave Analysis of $χ_{c 0} \to π^{+} π^{-} K^{+} K^{-}$

M. Ablikim, BES Collaboration

A partial wave analysis of $χ_{c 0} \to π^{+} π^{-} K^{+} K^{-}$ in $ψ (2 S) \to γ χ_{c 0}$ decay is presented using a sample of 14 million $ψ (2 S)$ events accumulated by the BES II detector. The data…

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

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

First measurements of J/Psi decays into Σ+Σˉ− and Ξ0Ξˉ0

Direct Measurements of Absolute Branching Fractions for D0 and D+ Inclusive Semimuonic Decays

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

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

Search for the C-parity violating process J/psi->gamma gamma via psi(2S)->pi+pi- J/psi

Measurements of J/ψ and ψ(2S) decays into ΛΛˉπ0 and ΛΛˉη

Measurements of the continuum Ruds​ and R values in e+e− annihilation in the energy region between 3.650 and 3.872 GeV

Measurement of $\psip$ Radiative Decays

Measurements of branching fractions for inclusive K0~/K0 and K*(892)+- decays of neutral and charged D mesons

Production of σ in ψ(2S)→π+π−J/ψ

Measurements of psi(2S) decays to octet baryon-antibaryon pairs

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

Measurements of $\psip$ decays into γKKˉπ and $γη\pipi$

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

Measurements of the braching fractions for psi(3770)--> D0D0-bar,D+D-,DD-bar$ and the resonance parameters of psi(3770) and psi(2S)

Pseudoscalar production at omega omega threshold in J/psi -> gamma omega omega

First observation of ψ(2S)→pnˉπ−+c.c.

Measurement of chi_cJ Decays to 2(pi^+pi^-)ppbar Final States

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

Measurement of branching fractions for the inclusive Cabibbo-favored ~K*0(892) and Cabibbo-suppressed K*0(892) decays of neutral and charged D mesons

Measurement of the branching fractions for J/ψ→γπ0, γη and γη′

Partial Wave Analysis of χc0​→π+π−K+K−

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 $Λ ˉ \to p ˉ π^{+}$

First measurements of J/Psi decays into $Σ^{+} Σ ˉ^{-}$ and $Ξ^{0} Ξ ˉ^{0}$

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

Measurements of $J / ψ$ and $ψ (2 S)$ decays into $Λ Λ ˉ π^{0}$ and $Λ Λ ˉ η$

Measurements of the continuum $R_{uds}$ and $R$ values in $e^{+} e^{-}$ annihilation in the energy region between 3.650 and 3.872 GeV

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

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

Measurements of $\psip$ decays into $γ K K ˉ π$ and $γη\pipi$

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

First observation of $ψ (2 S) \to p n ˉ π^{-} + c . c .$

Measurement of branching fractions for the inclusive Cabibbo-favored ~K0(892) and Cabibbo-suppressed K0(892) decays of neutral and charged D mesons

Measurement of the branching fractions for $J / ψ \to γ π^{0}$ , $γ η$ and $γ η^{'}$

Partial Wave Analysis of $χ_{c 0} \to π^{+} π^{-} K^{+} K^{-}$