The relationship between the rise width and the full width of gamma-ray burst pulses and its implications

doi:10.1088/1009-9271/6/1/006

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	The relationship between the rise width and the full width of gamma-ray burst pulses and its implications
	Lu RJ(陆睿静)1,2,3 ; Tan YP(覃一平)1,2 ; Yi, TF 2; Lu, RJ (reprint author), Chinese Acad Sci, Yunnan Observ, Natl Astron Observ, Kunming 650011, Peoples R China.
发表期刊	CHINESE JOURNAL OF ASTRONOMY AND ASTROPHYSICS
	2006
卷号	6 期号:1 页码:52-60
DOI	10.1088/1009-9271/6/1/006
产权排序	第1完成单位
收录类别	SCI
关键词	Gamma Rays : Bursts Gamma Rays : Theory Methods : Data Analysis
摘要	We investigate the relationship between the rise width and the full width of gamma-ray burst pulses. Theoretical analysis shows that either width is proportional to Gamma(-2) Delta(T theta), FWHM (Rc)/(c) (Gamma the Lorentz factor of the bulk motion, Delta(T theta), FWHM a local pulse's width, R-c the radius of fireballs and c the velocity of light). We study the relationship for four samples of observed pulses. We find: (1) merely the curvature effect could reproduce the relationship between the rise and full widths with the same slope as derived from the model of Qin et al.; (2) gamma-ray burst pulses, selected from both the short and long GRBs, follow the same sequence in the rise width vs. full width diagram, with the shorter pulses at one end; (3) all GRBs may intrinsically result from local Gaussian pulses. These features place constraints on the physical mechanism(s) for producing long and short GRBs.
语种	英语
学科领域	Astronomy & Astrophysics
文章类型	Article
ISSN	1009-9271
URL	查看原文
归档日期	2006-06-21
WOS记录号	WOS:000235501700006
WOS研究方向	Astronomy & Astrophysics
WOS类目	Astronomy & Astrophysics
关键词[WOS]	BATSE OBSERVATIONS ; EXTERNAL MATTER ; TIME PROFILES ; LIGHT CURVES ; ENERGY ; FIREBALLS ; SPECTRA ; BRIGHT ; SPECTROSCOPY ; EVOLUTION
引用统计	被引频次：6[WOS] [WOS记录] [WOS相关记录]
文献类型	期刊论文
条目标识符	http://ir.ynao.ac.cn/handle/114a53/7010
专题	星系研究组
通讯作者	Lu, RJ (reprint author), Chinese Acad Sci, Yunnan Observ, Natl Astron Observ, Kunming 650011, Peoples R China.
作者单位	1.National Astronomical Observatories/Yunnan Observatory, Chinese Academy of Sciences, Kunming 650011 2.Department of Physics, Guangxi University, Nanning, Guangxi 530004 3.Graduate University of Chinese Academy of Sciences, Beijing 100049
第一作者单位	中国科学院云南天文台
推荐引用方式 GB/T 7714	Lu RJ,Tan YP,Yi, TF,et al. The relationship between the rise width and the full width of gamma-ray burst pulses and its implications[J]. CHINESE JOURNAL OF ASTRONOMY AND ASTROPHYSICS,2006,6(1):52-60.
APA	Lu RJ,Tan YP,Yi, TF,&Lu, RJ .(2006).The relationship between the rise width and the full width of gamma-ray burst pulses and its implications.CHINESE JOURNAL OF ASTRONOMY AND ASTROPHYSICS,6(1),52-60.
MLA	Lu RJ,et al."The relationship between the rise width and the full width of gamma-ray burst pulses and its implications".CHINESE JOURNAL OF ASTRONOMY AND ASTROPHYSICS 6.1(2006):52-60.

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