Velocity variation of internal shock waves in gamma ray bursts: Observational properties

作     者：Poon Helen 

作者机构：Astronomy Department Beijing Normal University 

出 版 物：《Science China(Physics,Mechanics & Astronomy)》 (中国科学：物理学、力学、天文学（英文版）)

年 卷 期：2006年第49卷第4期

页      面：505-512页

核心收录：

学科分类：07[理学] 070401[理学-天体物理] 0704[理学-天文学] 

基　　金：This work was supported by the National Natural Science Foundation of China (Grant No. 10273010) the State Basic Research Projects of China (Grant No. TG20000776) the Specialized Research Fund for the Doctoral Program of Higher Education (Grant No. 20020027014) 

主　　题：GRB, time lag, shock wave. 

摘      要：The work uses the data in the TTS mode of BATSE to analyze the time lags and pulse widths of GRB960113 and GRB960722 in high as well as low energy bands. The results show that their time lags increase monotonously. This phenomenon can reasonably be interpreted with the model of internal shock waves of γ-ray bursts (GRB). Perhaps we obtain the direct observational evidence for the fireball model of GRBs for the first time.