S. Gu

activity

19982021

most citedObservation of a near-threshold enhancement in th p pbar mass spectrum from radiative J/psi-->gamma p pbar decays

309 citations · 2.2k across the 53 of their papers we have counts for

collaborators

Showing 2007Show all

8 papers · 1 filter

hep-ex2007★ 4 cited

Direct Measurements of the Branching Fractions for Inclusive $K^{\pm}$ and Inclusive Semileptonic Decays of $D^{+}$ and $D^{0}$ Mesons

BES Collaboration

With singly-tagged $D ˉ$ samples selected from the data collected at and around 3.773 GeV with the BESII detector at the BEPC collider, we have measured the branching fractions…

hep-ex2007★ 11 cited

Experimental studies of the $π^{+} π^{-} π^{+} π^{-} π^{0}$ , $K^{+} K^{-} π^{+} π^{-} π^{0}$ and $p p ˉ π^{+} π^{-} π^{0}$ final states produced in $e^{+} e^{-}$ annihilation at $s =$ 3.773 and 3.650 GeV

The BES Collaboration

We report measurements of the observed cross sections for $e^{+} e^{-} \to ω π^{+} π^{-}$ , $ω K^{+} K^{-}$ , $ω p p ˉ$ , $K^{+} K^{-} ρ^{0} π^{0}$ , $K^{+} K^{-} ρ^{+} π^{-} + c . c .$ , $K^{* 0} K^{-} π^{+} π^{0} + c . c .$ , $K^{*+}K^-π^+π^-+c…

hep-ex2007★ 16 cited

Measurements of the observed cross sections for exclusive light hadron production in e^+e^- annihilation at \sqrt{s}= 3.773 and 3.650 GeV

The BES Collaboration

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

hep-ex2007★ 7 cited

First observation of J/ψand ψ(2S) decaying to n K^0_S\barΛ+c.c

BES Collaboration

The decays of $\jpsi$ and $\psip$ to $n K_{S}^{0} Λ ˉ + c . c .$ are observed and measured for the first time, and the perturbative QCD ``12%'' rule is tested, based on $5.8 \times 10^7…

hep-ex2007★ 52 cited

Search for the Invisible Decay of $\jpsi$ in $ψ (2 S) \to π + π^{-} J / ψ$

M. Ablikim, J. Z. Bai

Using 14.0 million $ψ (2 S) e v e n t sco l l ec t e d w i t h t h e B E S - I I d e t ec t or, a se a r c h f or t h e d ec a y o f t h e$ \jpsi $t o anin v i s ib l e f ina l s t a t e in$ \psipto $i s p er f or m e d . T h e$ \jpsi$ peak i…

hep-ex2007★ 5 cited

Search for the Rare Decays $J / ψ \to D_{S}^{-} π^{+}$ , $J / ψ \to D^{-} π^{+}$ , and $J / ψ \to D ˉ^{0} K ˉ^{0}$

BES collaboration

Rare decay modes $J / ψ \to D_{S}^{-} π^{+} + c . c .$ , $J / ψ \to D^{-} π^{+} + c . c .$ , and $J / ψ \to D ˉ^{0} K ˉ^{0} + c . c .$ are searched for using 5.77 $\times 1 0^{7}$ $J / ψ$ events col…

Direct Measurements of the Branching Fractions for Inclusive K± and Inclusive Semileptonic Decays of D+ and D0 Mesons

Experimental studies of the π+π−π+π−π0, K+K−π+π−π0 and ppˉ​π+π−π0 final states produced in e+e− annihilation at s​= 3.773 and 3.650 GeV