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题名: MODELING PHOTODISINTEGRATION-INDUCED TeV PHOTON EMISSION FROM LOW-LUMINOSITY GAMMA-RAY BURSTS
作者: Liu, Xue-Wen1; Wu XueFeng(吴雪峰)2, 3; Lu Tan(陆埮)2, 3
刊名: ASTRONOMICAL JOURNAL
出版日期: 2012-05-01
卷号: 143, 期号:5
关键词: gamma-ray burst: general ; supernovae: general
DOI: 10.1088/0004-6256/143/5/115
文章类型: Article
英文摘要: Ultra-high-energy cosmic-ray heavy nuclei have recently been considered as originating from nearby low-luminosity gamma-ray bursts that are associated with Type Ibc supernovae. Unlike the power-law decay in long duration gamma-ray bursts, the light curve of these bursts exhibits complex UV/optical behavior: shock breakout dominated thermal radiation peaks at about 1 day, and, after that, nearly constant emission sustained by radioactive materials for tens of days. We show that the highly boosted heavy nuclei at PeV energy interacting with the UV/optical photon field will produce considerable TeV photons via the photodisintegration/photo-de-excitation process. It was later predicted that a thermal-like gamma-ray spectrum peaks at about a few TeV, which may serve as evidence of nucleus acceleration. The future observations by the space telescope Fermi and by the ground atmospheric Cherenkov telescopes such as H. E. S. S., VERITAS, and MAGIC will shed light on this prediction.
WOS标题词: Science & Technology ; Physical Sciences
类目[WOS]: Astronomy & Astrophysics
研究领域[WOS]: Astronomy & Astrophysics
关键词[WOS]: SUPERNOVA SHOCK BREAKOUT ; 25 APRIL 1998 ; GRB-060218 ; ORIGIN
收录类别: SCI
语种: 英语
WOS记录号: WOS:000302954200012
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内容类型: 期刊论文
URI标识: http://libir.pmo.ac.cn/handle/332002/15555
Appears in Collections:陆埮_期刊论文

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作者单位: 1.Sichuan Univ, Dept Phys, Chengdu 610065, Peoples R China
2.Chinese Acad Sci, Purple Mt Observ, Nanjing 210008, Peoples R China
3.Joint Ctr Particle Nucl Phys & Cosmol J CPNPC, Nanjing 210093, Jiangsu, Peoples R China
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