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A statistical model for the -ray variability of the Crab nebula
Qiang Yuan, Peng-Fei Yin, Xue-Feng Wu +3
A statistical scenario is proposed to explain the -ray variability and flares of the Crab nebula, which were observed recently by the Fermi/LAT. In this scenario electrons are a…
A Comprehensive Analysis of Fermi Gamma-Ray Burst Data. I. Spectral Components and Their Possible Physical Origins of LAT/GBM GRBs
Bin-Bin Zhang, Bing Zhang, En-Wei Liang +6
We present a systematic analysis of the spectral and temporal properties of 17 GRBs co-detected by GBM and LAT on board the Fermi satellite by May 2010. We performed a time-resolve…
On the High Energy Emission of the Short GRB 090510
Hao-Ning He, Xue-Feng Wu, Kenji Toma +2
Long-lived high-energy (>100MeV) emission, a common feature of most Fermi-LAT detected gamma-ray burst, is detected up to \sim 10^2 s in the short GRB 090510. We study the origin o…
A Photosphere-Internal Shock Model of Gamma-Ray Bursts: Case Studies of Fermi/LAT Bursts
Kenji Toma, Xue-Feng Wu, Peter Meszaros
Radially inhomogeneous gamma-ray burst (GRB) jets release variable photospheric emission and can have internal shocks occurring above the photosphere. We generically formulate a ph…