Shallow Decay Phase of the Early X-Ray Afterglow from External Shock in a Wind Environment
LEI Hai-Dong1, WANG Jiu-Zhou2, LÜ Jing2, ZOU Yuan-Chuan2**
1Department of Physics and Electronics, Jianghan University, Wuhan 430056 2School of Physics, Huazhong University of Science and Technology, Wuhan 430074
Shallow Decay Phase of the Early X-Ray Afterglow from External Shock in a Wind Environment
LEI Hai-Dong1, WANG Jiu-Zhou2, LÜ Jing2, ZOU Yuan-Chuan2**
1Department of Physics and Electronics, Jianghan University, Wuhan 430056 2School of Physics, Huazhong University of Science and Technology, Wuhan 430074
摘要We investigate the shallow decay phase of an early x-ray afterglow in gamma-ray bursts discovered by Swift, and suggest that both the shallow decay phase and the normal phase are from external shock in a wind environment, while the transferring time is the deceleration time. We apply this model to GRBs 050319 and 081008, and find that they can be explained by choosing a proper set of parameters.
Abstract：We investigate the shallow decay phase of an early x-ray afterglow in gamma-ray bursts discovered by Swift, and suggest that both the shallow decay phase and the normal phase are from external shock in a wind environment, while the transferring time is the deceleration time. We apply this model to GRBs 050319 and 081008, and find that they can be explained by choosing a proper set of parameters.
LEI Hai-Dong;WANG Jiu-Zhou;LÜJing;ZOU Yuan-Chuan**
. Shallow Decay Phase of the Early X-Ray Afterglow from External Shock in a Wind Environment[J]. 中国物理快报, 2011, 28(12): 129801-129801.
LEI Hai-Dong, WANG Jiu-Zhou, LÜ, Jing, ZOU Yuan-Chuan**
. Shallow Decay Phase of the Early X-Ray Afterglow from External Shock in a Wind Environment. Chin. Phys. Lett., 2011, 28(12): 129801-129801.
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