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Jitter radiation: towards TeV-photons of gamma-ray bursts
Mao JR(毛基荣)1,2,3; Wang JC(王建成)1,2,3
发表期刊MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY
2021-06-24
卷号505期号:3页码:4608-4615
DOI10.1093/mnras/stab1644
产权排序第1完成单位
收录类别SCI ; EI
关键词radiation mechanisms: general gamma-rays: general gamma-ray bursts
摘要The synchrotron mechanism has the radiation limit of about 160 MeV, and it is not possible to explain the very high energy (VHE) photons that are emitted by high-energy objects. Inverse Compton scattering as a traditional process is applied for the explanation of the VHE emission. In this paper, jitter radiation, the relativistic electron radiation in the random and small-scale magnetic field, is proposed to be a possible mechanism to produce VHE photons. The jitter radiation frequency is associated with the perturbation field. The spectral index of the jitter radiation is dominated by the kinetic turbulence. We utilize the jitter radiation to explain the gamma-ray burst (GRB 190114C and GRB 180720B) VHE emissions that were recently detected by the Imaging Atmospheric Cherenkov Telescopes. We suggest that this mechanism can be applied to other kinds of VHE sources.
资助项目National Natural Science Foundation of ChinaNational Natural Science Foundation of China (NSFC)[11673062] ; Oversea Talent Program of Yunnan Province
项目资助者National Natural Science Foundation of ChinaNational Natural Science Foundation of China (NSFC)[11673062] ; Oversea Talent Program of Yunnan Province
语种英语
学科领域天文学 ; 天体物理学 ; 高能天体物理学
学科门类理学 ; 理学::天文学
文章类型Article
出版者OXFORD UNIV PRESS
出版地GREAT CLARENDON ST, OXFORD OX2 6DP, ENGLAND
ISSN0035-8711
URL查看原文
WOS记录号WOS:000767884000008
WOS研究方向Astronomy & Astrophysics
WOS类目Astronomy & Astrophysics
关键词[WOS]HIGH-ENERGY EMISSION ; COMPTON EMISSION ; EARLY AFTERGLOWS ; MAGNETIC-FIELDS ; PROMPT EMISSION ; LIGHT CURVES ; SPECTRA ; TURBULENCE ; EVOLUTION ; ORIGIN
EI入藏号20221712014428
EI主题词Photons
EI分类号657.2 Extraterrestrial Physics and Stellar Phenomena - 931.3 Atomic and Molecular Physics - 932.1 High Energy Physics
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文献类型期刊论文
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条目标识符http://ir.ynao.ac.cn/handle/114a53/24493
专题星系类星体研究组
高能天体物理研究组
中国科学院天体结构与演化重点实验室
通讯作者Mao JR(毛基荣)
作者单位1.Yunnan Observatories, Chinese Academy of Sciences, 650011 Kunming, China;
2.Center for Astronomical Mega-Science, Chinese Academy of Sciences, 20A Datun Road, Chaoyang District, Beijing 100012, China;
3.Key Laboratory for the Structure and Evolution of Celestial Objects, Chinese Academy of Sciences, 650011 Kunming, China
第一作者单位中国科学院云南天文台
通讯作者单位中国科学院云南天文台
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Mao JR,Wang JC. Jitter radiation: towards TeV-photons of gamma-ray bursts[J]. MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY,2021,505(3):4608-4615.
APA Mao JR,&Wang JC.(2021).Jitter radiation: towards TeV-photons of gamma-ray bursts.MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY,505(3),4608-4615.
MLA Mao JR,et al."Jitter radiation: towards TeV-photons of gamma-ray bursts".MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY 505.3(2021):4608-4615.
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