Central China Normal University

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19952026

most citedExperimental and Theoretical Challenges in the Search for the Quark Gluon Plasma: The STAR Collaboration's Critical Assessment of the Evidence from RHIC Collisions

3.4k citations

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Counting papers with at most 25 authors, so collaboration author lists do not stand in for the people here.

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Showing 2004 · hep-exShow all

19 papers · 2 filters

hep-ex2004★ 6 cited

Charge Fluctuations in $π^{+}\rp$ and $\rK^{+}\rp$ Collisions at 250 GeV/ $c$

M. R. Atayan, Bai Yuting, E. A. De Wolf +13

We report on measurements of event-by-event charge fluctuations in $π^{+}\rp$ and $\rK^{+}\rp$ collisions at 250 GeV/ $c$ . The dependence of these fluctuations on the size of the ra…

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★ 40 cited

Measurement of Cross Sections for $D^{0} D ˉ^{0}$ and $D^{+} D^{-}$ Production in $e^{+} e^{-}$ Annihilation at $s = 3.773$ GeV

BES Collaboration

The cross sections for $D^{0} D ˉ^{0}$ and $D^{+} D^{-}$ production at 3.773 GeV have been measured with BES-II detector at BEPC. These measurements are made by analyzing a data sample…

hep-ex2004★ 29 cited

Measurement of the final states $ω π^{0}$ , $ρ η$ , and $ρ η^{^{'}}$ from $\psip$ electromagnetic decays and $\ee$ annihilations

M. Ablikim

Cross sections and form factors for $\ee \to \wpi$, $ρ η$ , and $ρ\etap$ at center of mass energies of 3.650, 3.686, and 3.773 GeV are measured using data samples collected with the…

hep-ex2004★ 37 cited

Direct Measurement of the Branching Fraction for the Decay of $D^{+} \to K ˉ^{0} e^{+} ν_{e}$ and Determination of $Γ (D^{0} \to K^{-} e^{+} ν_{e}) /Γ (D^{+} \to K ˉ^{0} e^{+} ν_{e})$

BES Collaboration

The absolute branching fraction for the decay $D^{+} \to K ˉ^{0} e^{+} ν_{e}$ is determined using $5321 \pm 149 \pm 160$ singly tagged $D^{-}$ sample from the data collected around 3.773 Ge…

hep-ex2004★ 5 cited

First observations of $ψ (2 S)$ and $χ_{c J} (1 P)$ decays to four-body final states $h^{+} h^{-} K_{S}^{0} K_{S}^{0}$

M. Ablikim

$χ_{c 0}$ , $χ_{c 1}$ , and $χ_{c 2}$ decays to $π^{+} π^{-} K_{S}^{0} K_{S}^{0}$ and $K^{+} K^{-} K_{S}^{0} K_{S}^{0}$ , as well as $ψ (2 S)$ decay to $π^{+} π^{-} K_{S}^{0} K_{S}^{0}$ are presented. The branching fractions of these…

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★ 10 cited

Observation of $K^{} (892)^{0} K ˉ^{} (892)^{0}$ in $χ_{c J}$ Decays

BES Collaboration, M. Ablikim

$K^{*} (892)^{0} K ˉ^{*} (892)^{0}$ signals from $χ_{c J} (J = 0, 1, 2)$ decays are observed for the first time using a data sample of 14 million $ψ (2 S)$ events accumulated at the BES II detect…

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★ 97 cited

The $σ$ pole in $J / ψ \to ω π^{+} π^{-}$

BES Collaboration

Using a sample of 58 million $J / ψ$ events recorded in the BESII detector, the decay $J / ψ \to ω π^{+} π^{-}$ is studied. There are conspicuous $ω f_{2} (1270)$ and $b_{1} (1235) π$ signals. At lo…

hep-ex2004★ 64 cited

Direct Measurements of the Branching Fractions for $D^{0} \to K^{-} e^{+} ν_{e}$ and $D^{0} \to π^{-} e^{+} ν_{e}$ and Determinations of the Form Factors $f_{+}^{K} (0)$ and $f_{+}^{π} (0)$

BES Collaboration

The absolute branching fractions for the decays $D^{0} \to K^{-} e^{+} ν_{e}$ and $D^{0} \to π^{-} e^{+} ν_{e}$ are determined using $7584 \pm 198 \pm 341$ singly tagged $D ˉ^{0}$ sample from the dat…

hep-ex2004★ 28 cited

Search for the Lepton Flavor Violation Processes $J / ψ \to$ $μτ$ and $e τ$

BES collaboration

The lepton flavor violation processes $J / ψ \to μτ$ and $e τ$ are searched for using a sample of 5.8 $\times 1 0^{7}$ $J / ψ$ events collected with the BESII detector. Zero and one candidat…

hep-ex2004★ 28 cited

A Study of J/psi-->gamma gamma V(rho,phi) Decays with the BESII Detector

BES Collaboration

Using a sample of $58 \times 1 0^{6}$ $J / ψ$ events collected with the BESII detector, radiative decays $J / ψ \to γ γ V$ , where $V = ρ$ or $ϕ$ , are studied. A resonance around 1420 MeV/c $^{2}$ (…

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 $\psip\ra π^0\J$…

hep-ex2004★ 101 cited

Search for the Pentaquark State in $ψ (2 S)$ and $J / ψ$ Decays to $K_{S}^{0} p K^{-} n ˉ$ and $K_{S}^{0} p ˉ K^{+} n$

BES Collaboration, J. Z. Bai

Results are presented on $ψ (2 S)$ and $J / ψ$ hadronic decays to $K_{S}^{0} p K^{-} n ˉ$ and $K_{S}^{0} p ˉ K^{+} n$ final states from data samples of 14 million $ψ (2 S)$ and 58 million $J / ψ$ eve…

hep-ex2004★ 55 cited

Measurement of the Branching Fraction of J/psi --> pi+ pi- pi0

J. Z. Bai

Using 58 million J/psi and 14 million psi' decays obtained by the BESII experiment, the branching fraction of J/psi --> pi+ pi- pi0 is determined. The result is (2.10+/-0.12)X10^{-…

hep-ex2004★ 4 cited

Determination of BR(chi_{cJ} --> p \bar{p}) in psi(2S) decays

J. Z. Bai, BES Collaboration

The processes psi(2S) --> gamma chi_{cJ}, chi_{cJ} --> p pbar (J=0,1,2) are studied using a sample of 14X10^6 psi(2S) decays collected with the Beijing Spectrometer at the Beijing…

Charge Fluctuations in $π^{+}\rp$ and $\rK^{+}\rp$ Collisions at 250 GeV/c

Resonances in J/ψ→ϕπ+π− and ϕK+K−

Measurement of Cross Sections for D0Dˉ0 and D+D− Production in e+e− Annihilation at s​=3.773 GeV

Measurement of the final states ωπ0, ρη, and ρη′ from $\psip$ electromagnetic decays and $\ee$ annihilations

Direct Measurement of the Branching Fraction for the Decay of D+→Kˉ0e+νe​ and Determination of Γ(D0→K−e+νe​)/Γ(D+→Kˉ0e+νe​)

First observations of ψ(2S) and χcJ​(1P) decays to four-body final states h+h−KS0​KS0​

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

Observation of K∗(892)0Kˉ∗(892)0 in χcJ​ Decays

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

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

The σ pole in J/ψ→ωπ+π−

Direct Measurements of the Branching Fractions for D0→K−e+νe​ and D0→π−e+νe​ and Determinations of the Form Factors f+K​(0) and f+π​(0)

Search for the Lepton Flavor Violation Processes J/ψ→ μτ and eτ

A Study of J/psi-->gamma gamma V(rho,phi) Decays with the BESII Detector

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

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

Search for the Pentaquark State in ψ(2S) and J/ψ Decays to KS0​pK−nˉ and KS0​pˉ​K+n

Measurement of the Branching Fraction of J/psi --> pi+ pi- pi0

Determination of BR(chi_{cJ} --> p \bar{p}) in psi(2S) decays

Charge Fluctuations in $π^{+}\rp$ and $\rK^{+}\rp$ Collisions at 250 GeV/ $c$

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

Measurement of Cross Sections for $D^{0} D ˉ^{0}$ and $D^{+} D^{-}$ Production in $e^{+} e^{-}$ Annihilation at $s = 3.773$ GeV

Measurement of the final states $ω π^{0}$ , $ρ η$ , and $ρ η^{^{'}}$ from $\psip$ electromagnetic decays and $\ee$ annihilations

Direct Measurement of the Branching Fraction for the Decay of $D^{+} \to K ˉ^{0} e^{+} ν_{e}$ and Determination of $Γ (D^{0} \to K^{-} e^{+} ν_{e}) /Γ (D^{+} \to K ˉ^{0} e^{+} ν_{e})$

First observations of $ψ (2 S)$ and $χ_{c J} (1 P)$ decays to four-body final states $h^{+} h^{-} K_{S}^{0} K_{S}^{0}$

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

Observation of $K^{} (892)^{0} K ˉ^{} (892)^{0}$ in $χ_{c J}$ Decays

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

The $σ$ pole in $J / ψ \to ω π^{+} π^{-}$

Direct Measurements of the Branching Fractions for $D^{0} \to K^{-} e^{+} ν_{e}$ and $D^{0} \to π^{-} e^{+} ν_{e}$ and Determinations of the Form Factors $f_{+}^{K} (0)$ and $f_{+}^{π} (0)$

Search for the Lepton Flavor Violation Processes $J / ψ \to$ $μτ$ and $e τ$

Search for the Pentaquark State in $ψ (2 S)$ and $J / ψ$ Decays to $K_{S}^{0} p K^{-} n ˉ$ and $K_{S}^{0} p ˉ K^{+} n$