Yongxiong Yu

activity

19982002

J / ψ \to γ (π^{+} π^{-} π^{+} π^{-})

54 citations · 264 across the 10 of their papers we have counts for

collaborators

10 papers

hep-ex2002★ 50 cited

Measurement of Gamma(phi -> eta' gamma)/Gamma(phi -> eta gamma) and the pseudoscalar mixing angle

The KLOE Collaboration

We have measured the radiative decays phi -> eta gamma, phi ->etaprime gamma selecting pi+ pi- gamma gamma gamma final state in a sample of about 5 times 10^7 phi mesons produced a…

hep-ex2001★ 16 cited

Radiative Decay of the ψ(2S) into Two Pseudoscalar Mesons

BES Collaboration

Radiative decays of the radially excited charmonium resonance, ψ(2S), into ππ, K Kbar and ηηfinal states have been measured in a sample of 3.96 * 10^6 ψ(2S) events collected by the…

hep-ex2000★ 14 cited

Measurement of $ψ (2 S)$ decays to baryon pairs

J. Z. Bai

A sample of 3.95M $ψ (2 S)$ decays registered in the BES detector are used to study final states containing pairs of octet and decuplet baryons. We report branching fractions for $ψ(…

hep-ex2000★ 31 cited

Partial Wave Analysis of $J / ψ \to γ (K^{\pm} K_{S}^{0} π^{\mp})$

J. Z. Bai

BES data on $J / ψ \to γ (K^{\pm} K_{S}^{0} π^{\mp})$ are presented. There is a strong peak due to $η (1440) / ι$ , which is fitted with a Breit-Wigner amplitude with $s$ -dependent widths for…

hep-ex1999★ 13 cited

Measurement of the Inclusive Charm Cross Section at 4.03 GeV and 4.14 GeV

BES Collaboration

The cross section for charmed meson production at $s = 4.03$ and 4.14 GeV has been measured with the Beijing Spectrometer. The measurement was made using 22.3 $p b^{- 1}$ of…

hep-ex1999★ 54 cited

Partial Wave Analysis of $J / ψ \to γ (π^{+} π^{-} π^{+} π^{-})$

J. Z. Bai

BES data on $J / ψ \to γ (π^{+} π^{-} π^{+} π^{-})$ have been analyzed into partial waves. We fit with resonances having $J^{P C} = 2^{++}$ at 1275 MeV, $0^{++}$ at 1500 MeV, $2^{++}$ at…

hep-ex1999★ 20 cited

Partial Wave Analysis of $J / ψ \to γ (K^{+} K^{-} π^{+} π^{-})$

J. Z. Bai

BES data on $J / ψ \to γ (K^{+} K^{-} π^{+} π^{-})$ are presented. The $K^{*} K ˉ^{*}$ contribution peaks strongly near threshold. It is fitted with a broad $0^{-+}$ resonance with mass $M = 1800 \…

hep-ex1999★ 17 cited

Charmonium Decays to Axialvector plus Pseudoscalar Mesons

BES Collaboration, J. Z. Bai

A sample of 3.79 million psi(2S) decays observed in the BES detector is used to study the decays of charmonium to axialvector plus pseudoscalar mesons. The branching fraction for p…

hep-ex1998★ 33 cited

Study of the P-wave charmonium state χ_{cJ} in ψ(2S) decays

J. Z. Bai

The processes $ψ (2 S) \to γ π^{+} π^{-}$ , $γ K^{+} K^{-}$ and $γ p p ˉ$ have been studied using a sample of $3.7 \times 1 0^{6}$ produced $ψ (2 S)$ decays. We determine the total width of the $χ…

hep-ex1998★ 16 cited

Search for the Decay b -> X_s mu+ mu-

D0 Collaboration, B. Abbott et al

We have searched for the flavor-changing neutral current decay b -> s mu+ mu- in p pbar collisions at sqrt(s) = 1.8 TeV with the DO detector at Fermilab. We determine the 90% confi…

Measurement of Gamma(phi -> eta' gamma)/Gamma(phi -> eta gamma) and the pseudoscalar mixing angle

Radiative Decay of the ψ(2S) into Two Pseudoscalar Mesons

Measurement of ψ(2S) decays to baryon pairs

Partial Wave Analysis of J/ψ→γ(K±KS0​π∓)

Measurement of the Inclusive Charm Cross Section at 4.03 GeV and 4.14 GeV

Partial Wave Analysis of J/ψ→γ(π+π−π+π−)

Partial Wave Analysis of J/ψ→γ(K+K−π+π−)

Charmonium Decays to Axialvector plus Pseudoscalar Mesons

Study of the P-wave charmonium state χ_{cJ} in ψ(2S) decays

Search for the Decay b -> X_s mu+ mu-

Measurement of $ψ (2 S)$ decays to baryon pairs

Partial Wave Analysis of $J / ψ \to γ (K^{\pm} K_{S}^{0} π^{\mp})$

Partial Wave Analysis of $J / ψ \to γ (π^{+} π^{-} π^{+} π^{-})$

Partial Wave Analysis of $J / ψ \to γ (K^{+} K^{-} π^{+} π^{-})$