Tail Emission from a Ring-like Jet： Its Application to Shallow Decays of Early Afterglows and GRB 05

• 作 者: Yuan-Chuan Zou Zi-Gao Dai
• 机 构: DepartmentofAstronomy
• 出 处: 中国天文和天体物理学报：英文版
• 发表日期: 2006年5期
• 关键词: 伽马射线 脉冲星 X射线 磁场 gamma rays bursts - X-rays general
• 基金项目: Supported by the National Natural Science Foundation of China.Acknowledgements YCZ thanks helpful discussions with Jia Wang and Xuefeng Wu. This work was supported by the National Natural Science Foun

<正>Similar to the case of pulsars the magnetic axis and the spin axis of gamma-ray burst sources may not lie on the same line. This may cause the formation of a ring-like jet due to collimation of the processing magnetic axis. We analyze the tail em