Y. Zhang

activity

19982024

most citedDesign and Construction of the BESIII Detector

1.2k citations · 2.5k across the 33 of their papers we have counts for

collaborators

Showing hep-exShow all

24 papers · 1 filter

hep-ex2024★ 8 cited

Measurement of Electron Antineutrino Oscillation Amplitude and Frequency via Neutron Capture on Hydrogen at Daya Bay

Daya Bay collaboration, F. P. An, W. D. Bai +197

This Letter reports the first measurement of the oscillation amplitude and frequency of reactor antineutrinos at Daya Bay via neutron capture on hydrogen using 1958 days of data. W…

hep-ex2024★ 1 cited

Search for a sub-eV sterile neutrino using Daya Bay's full dataset

F. P. An, W. D. Bai, A. B. Balantekin +196

This Letter presents results of a search for the mixing of a sub-eV sterile neutrino with three active neutrinos based on the full data sample of the Daya Bay Reactor Neutrino Expe…

hep-ex2009★ 40 cited

Study of J/Psi decays into eta Kstar Kstar-bar

The BES Collaboration, M. Ablikim

We report the first observation of $\mPJpsi \to \mPeta\mPKst\mAPKst$ decay in a $\mPJpsi$ sample of 58 million events collected with the BESII detector. The branching fraction is d…

hep-ex2009★ 75 cited

$R$ value measurements for $e^{+} e^{-}$ annihilation at 2.60, 3.07 and 3.65 GeV

The BES Collaboration, M. Ablikim

Using a data sample with a total integrated luminosity of 10.0 pb $^{- 1}$ collected at center-of-mass energies of 2.6, 3.07 and 3.65 GeV with BESII, cross sections for $e^{+} e^{-}$ anni…

hep-ex2009★ 4 cited

Measurement of the Branching Fraction for J/ψ-> p \bar{p}ηand p \bar{p} η^{'}

BES collaboration

Using 58 $\times 1 0^{6}$ $\jpsi$ events collected with the Beijing Spectrometer (BESII) at the Beijing Electron Positron Collider (BEPC), the branching fractions of $\jpsi$ to $p\ba…

hep-ex2008★ 6 cited

Measurements of the observed cross sections for $e^{+} e^{-} \to$ exclusive light hadrons containing $π^{0} π^{0}$ at $s = 3.773$ , 3.650 and 3.6648 GeV

BES Collaboration

By analyzing the data sets of 17.3, 6.5 and 1.0 pb $^{- 1}$ taken, respectively, at $s = 3.773$ , 3.650 and 3.6648 GeV with the BES-II detector at the BEPC collider, we measure t…

hep-ex2008★ 6 cited

Measurements of the observed cross sections for e+e -> exclusive light hadrons containing K^S_0 meson at \sqrt{s} = 3.773 and 3.650 GeV

BES Collaboration

By analyzing the data sets of 17.3 pb $^{- 1}$ taken at $s = 3.773$ GeV and of 6.5 pb $^{- 1}$ taken at $s = 3.650$ GeV with the BES-II detector at the BEPC collider, we meas…

hep-ex2008★ 16 cited

Partial wave analysis of J/ψ\to γϕϕ

BES Collaboration

Using $5.8 \times 1 0^{7} J / ψ$ events collected in the BESII detector, the radiative decay $J / ψ \to γ ϕϕ \to γ K^{+} K^{-} K_{S}^{0} K_{L}^{0}$ is studied. The $ϕϕ$ invariant mass distribution exhibi…

hep-ex2005★ 5 cited

Measurements of Cabibbo Suppressed Hadronic Decay Fractions of Charmed D0 and D+ Mesons

BES Collaboration

Using data collected with the BESII detector at $e^{+} e^{-}$ storage ring Beijing Electron Positron Collider, the measurements of relative branching fractions for seven Cabibbo sup…

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★ 30 cited

Direct Measurement of the Pseudoscalar Decay Constant fD+

BES Collaboration

The absolute branching fraction of $D^{+} \to μ^{+} ν$ has been directly measured by an analysis of a data sample of about 33 $p b^{- 1}$ collected around $s = 3.773$ GeV with…

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★ 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-ex2003★ 70 cited

Evidence of psi(3770) non-DD-bar Decay to J/psi pi+pi-

BES Collaboration

Evidence of $ψ (3770)$ decays to a non- $D D ˉ$ final state is observed. A total of $11.8 \pm 4.8 \pm 1.3$ $ψ(3770) \to \PPJP$ events are obtained from a data sample of 27.7 $\r…

hep-ex2002★ 18 cited

Psi(2S) two- and three-body hadronic decays

BES Collaboration, J. Z. Bai

We report measurements of branching fractions for psi(2S) decays into omega pi pi, b1 pi,omega f2(1270),omega KK, omega p pbar, phi pi pi, phi f0(980),phi KK, and an upper limit fo…

hep-ex2001★ 68 cited

Study of N* Production from J/Psi--> p pbar eta

J. Z. Bai, ; H. C. Chiang, G. X. Peng +2

Data are presented on the reaction J/psi--> p pbar eta using 7.8 million J/psi triggers collected by the BEjing Spectrometer (BES). A partial wave analysis is performed. A clear en…

hep-ex1999★ 147 cited

Measurement of the Total Cross Section for Hadronic Production by e+e- Annihilation at Energies between 2.6-5 Gev

J. Z. Bai

Using the upgraded Beijing Spectrometer (BESII), we have measured the total cross section for $e^{+} e^{-}$ annihilation into hadronic final states at center-of-mass energies of 2.6, 3.…

hep-ex1998★ 39 cited

Study of the Hadronic Decays of χ_c States

J. Z. Bai

Hadronic decays of the P-wave spin-triplet charmonium states χ_cJ (J=0,1,2) are studied using a sample of ψ(2S) decays collected by the BES detector operating at the BEPC storage r…

hep-ex1998★ 23 cited

Determination of the J/psi Leptonic Branching Fraction via psi(2S) -> pi^+ pi^- J/psi

J. Z. Bai

A comparison of the rates for psi(2S) -> pi^+ pi^- J/psi, J/psi -> l^+l^- and J/psi -> anything is used to determine the J/psi leptonic branching fractions. The results are B(J/psi…

hep-ex1998★ 18 cited

Branching Fractions for $ψ (2 S) t o γ η^{'}$ and $γ η$

J. Z. Bai

We report the first measurements of the branching fractions: $B (ψ (2 S) - > γ η^{'}) = (1.54 \pm 0.31 \pm 0.23) x 1 0^{- 4}$ and $B (ψ (2 S) - > γ η) = (0.53 \pm 0.31 \pm 0.08) x 1 0^{- 4}$ . The $…

Measurement of Electron Antineutrino Oscillation Amplitude and Frequency via Neutron Capture on Hydrogen at Daya Bay

Search for a sub-eV sterile neutrino using Daya Bay's full dataset

Study of J/Psi decays into eta Kstar Kstar-bar

R value measurements for e+e− annihilation at 2.60, 3.07 and 3.65 GeV

Measurement of the Branching Fraction for J/ψ-> p \bar{p}ηand p \bar{p} η^{'}

Measurements of the observed cross sections for e+e−→ exclusive light hadrons containing π0π0 at s​=3.773, 3.650 and 3.6648 GeV

Measurements of the observed cross sections for e+e -> exclusive light hadrons containing K^S_0 meson at \sqrt{s} = 3.773 and 3.650 GeV

Partial wave analysis of J/ψ\to γϕϕ

Measurements of Cabibbo Suppressed Hadronic Decay Fractions of Charmed D0 and D+ Mesons

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

Direct Measurement of the Pseudoscalar Decay Constant fD+

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​

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

Evidence of psi(3770) non-DD-bar Decay to J/psi pi+pi-

Psi(2S) two- and three-body hadronic decays

Study of N* Production from J/Psi--> p pbar eta

Measurement of the Total Cross Section for Hadronic Production by e+e- Annihilation at Energies between 2.6-5 Gev

Study of the Hadronic Decays of χ_c States

Determination of the J/psi Leptonic Branching Fraction via psi(2S) -> pi^+ pi^- J/psi

Branching Fractions for ψ(2S)toγη′ and γη

$R$ value measurements for $e^{+} e^{-}$ annihilation at 2.60, 3.07 and 3.65 GeV

Measurements of the observed cross sections for $e^{+} e^{-} \to$ exclusive light hadrons containing $π^{0} π^{0}$ at $s = 3.773$ , 3.650 and 3.6648 GeV

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

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 $h^{+} h^{-} K_{S}^{0} K_{S}^{0}$

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 $e τ$

Branching Fractions for $ψ (2 S) t o γ η^{'}$ and $γ η$