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The prompt ultraviolet/soft X-ray emission of GRBs
Li Z(黎卓); Song LM(宋黎明); Li, Z; Song, LM
2005
发表期刊ASTROPHYSICS AND SPACE SCIENCE
卷号297期号:1-4页码:353-360
通讯作者Chinese Acad Sci, Inst High Energy Phys, Ctr Particle Astrophys, Beijing, Peoples R China
摘要We discuss the prompt emission of gamma-ray bursts (GRBs), allowing for gamma gamma pair production and synchrotron self-absorption. The observed hard spectra suggest heavy pair-loading in GRBs. The re-emission of the generated pairs results in the energy transmission from high-energy gamma-rays to long-wavelength radiation. Due to strong self-absorption, the synchrotron radiation by pairs is in optically thick regime. Thus, the re-emission would appear as a thermal-like spectral bump in the extreme-ultraviolet/soft X-ray band, other than the peak from the main burst. The confirmation of the thermal-like feature and the double-peak structure by future satellites, such as Swift, would indicate that the dominant radiation mechanism in GRBs is synchrotron rather than inverse-Compton radiation.
文章类型Article; Proceedings Paper
关键词gamma-rays : bursts radiation mechanisms : nonthermal relativity
学科领域Astronomy & Astrophysics
DOI10.1007/s10509-005-7675-x
研究领域[WOS]Astronomy & Astrophysics
URL查看原文
语种英语
WOS类目Astronomy & Astrophysics
WOS记录号WOS:000228545100037
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文献类型期刊论文
条目标识符http://ir.ihep.ac.cn/handle/311005/237107
专题粒子天体物理中心
作者单位中国科学院高能物理研究所
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Li Z,Song LM,Li, Z,et al. The prompt ultraviolet/soft X-ray emission of GRBs[J]. ASTROPHYSICS AND SPACE SCIENCE,2005,297(1-4):353-360.
APA 黎卓,宋黎明,Li, Z,&Song, LM.(2005).The prompt ultraviolet/soft X-ray emission of GRBs.ASTROPHYSICS AND SPACE SCIENCE,297(1-4),353-360.
MLA 黎卓,et al."The prompt ultraviolet/soft X-ray emission of GRBs".ASTROPHYSICS AND SPACE SCIENCE 297.1-4(2005):353-360.
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