Guangxi University

output

20062010

most citedDiscerning the physical origins of cosmological Gamma-ray bursts based on multiple observational criteria: the cases of z=6.7 GRB 080913, z=8.3 GRB 090423, and some short/hard GRBs

440 citations

Showing 2007Show all

9 papers · 1 filter

hep-ex2007★ 135 cited

Observation of Y(2175) in $J / ψ \to η ϕ f_{0} (980)$

BES Collaboration, M. Ablikim

The decays of $J / ψ \to η ϕ f_{0} (980) (η \to γ γ, ϕ \to K^{+} K^{-}, f_{0} (980) \to π^{+} π^{-})$ are analyzed using a sample of $5.8 \times 1 0^{7}$ $J / ψ$ events collected with the BESII detector at the…

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★ 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 $ψ (2 S) \to Λ Λ ˉ π^{0}$ …

astro-ph2007★ 209 cited

A Comprehensive Analysis of Swift/XRT Data: III. Jet Break Candidates in X-ray and Optical Afterglow Lightcurves

En-Wei Liang, Judith L. Racusin, Bing Zhang +2

The Swift/XRT data of 179 GRBs (from 050124 to 070129) and the optical afterglow data of 57 pre- and post-Swift GRBs are analyzed, in order to systematically investigate the jet-li…

astro-ph2007★ 281 cited

A Comprehensive Analysis of the Swift/XRT Data: II. Diverse Physical Origins of the Shallow Decay Segment

En-Wei Liang, Bin-Bin Zhang, Bing Zhang

We analyze the properties of the shallow decay segment with a sample of 53 long Swift GRBs. We show that the distributions of its characteristics are log-normal or normal, and its…

Observation of Y(2175) in J/ψ→ηϕf0​(980)

Search for the Invisible Decay of $\jpsi$ in ψ(2S)→π+π−J/ψ