A hybrid model of GeV-TeV gamma ray emission from the Galactic center
Guo YQ(郭义庆); Yuan Q(袁强); 刘成;Guo, YQ; Yuan, Q; Liu, C; Li, AF
刊名JOURNAL OF PHYSICS G-NUCLEAR AND PARTICLE PHYSICS
2013
卷号40期号:6页码:65201
学科分类Physics
DOI10.1088/0954-3899/40/6/065201
英文摘要The observations of high energy gamma-ray emission from the Galactic center (GC) by HESS, and recently by Fermi, suggest cosmic ray acceleration in the GC and possibly around the supermassive black hole. In this work we propose a lepton-hadron hybrid model to simultaneously explain the GeV-TeV gamma-ray emission. Both electrons and hadronic cosmic rays were accelerated during the previous activity of the GC. These particles would then diffuse outwards and interact with the interstellar gas and background radiation field. The collisions between hadronic cosmic rays with gas are responsible for the TeV gamma-ray emission detected by HESS. With fast cooling in the strong radiation field, the electrons would cool down and radiate GeV photons through inverse Compton scattering off the soft background photons. This scenario provides a natural explanation for the observed GeV-TeV spectral shape of gamma-ray.
收录类别SCI
WOS记录号WOS:000319189100015
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被引频次:8[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.ihep.ac.cn/handle/311005/224571
专题中国科学院高能物理研究所_粒子天体物理中心_期刊论文
中国科学院高能物理研究所_粒子天体物理中心
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Guo YQ,Yuan Q,刘成;Guo, YQ,et al. A hybrid model of GeV-TeV gamma ray emission from the Galactic center[J]. JOURNAL OF PHYSICS G-NUCLEAR AND PARTICLE PHYSICS,2013,40(6):65201.
APA 郭义庆,袁强,刘成;Guo, YQ,Yuan, Q,Liu, C,&Li, AF.(2013).A hybrid model of GeV-TeV gamma ray emission from the Galactic center.JOURNAL OF PHYSICS G-NUCLEAR AND PARTICLE PHYSICS,40(6),65201.
MLA 郭义庆,et al."A hybrid model of GeV-TeV gamma ray emission from the Galactic center".JOURNAL OF PHYSICS G-NUCLEAR AND PARTICLE PHYSICS 40.6(2013):65201.
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