Fermi-LAT study of diffuse gamma-ray emission in the outer Galaxy and implications for Galactic cosmic-rays

机译：Fermi-LAT研究外银河中的弥散伽马射线发射及其对银河系宇宙射线的影响

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Galactic diffuse r-ray emission is a powerful probe to study cosmic rays and the interstellar medium in distant locations. We analyzed the interstellar r-ray emission from the outer Galaxy measured by the Large Area Telescope (LAT) on board Fermi [1, 2]. The r-ray emissivity as a function of Galactocentric distance does not show a significant gradient beyond the solar circle, indicating larger cosmic-ray densities than what has been usually assumed so far. We report the analysis and discuss their implications for the origin and propagation of Galactic cosmic rays.

机译：银河漫射r射线发射是研究遥远位置的宇宙射线和星际介质的有力探针。我们分析了费米[1，2]板上大面积望远镜（LAT）测得的外星系的星际r射线发射。 r射线发射率与半轴距的关系没有显示出太阳圆以外的明显梯度，这表明宇宙射线的密度比迄今通常假定的更大。我们报告分析并讨论它们对银河系宇宙射线的起源和传播的影响。

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来源
《Proceedings of the 32nd International Cosmic Ray Conference》|2011年|1-4|共4页
会议地点 Beijing(CN)
作者
T. MIZUNO; L. TIBALDO; I. GRENIER;
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作者单位

Department of Physical Sciences, Hiroshima University, Higashi-Hiroshima, Hiroshima 739-8526, Japan;

Dipartimento di Fisica “G. Galilei”, Universita di Padova, and INFN-Sezione di Padova, Italy;

Laboratoire AIM, CEA-IRFU/CNRS/Universite Paris Diderot, Service d'Astrophysique, CEA Saclay, 91191 Gif sur Yvette, France;

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原文格式 PDF
正文语种 eng
中图分类宇宙射线强度变化;
关键词
cosmic rays – gamma-rays; ISM – ISM; general;

机译：宇宙射线–伽马射线； ISM – ISM；一般;

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专利

1. High energy diffuse gamma-ray emission of the galactic disk and galactic cosmic-ray spectra [J] . Satyendra T Astroparticle physics . 2006,第5期

机译：银河盘的高能扩散伽马射线发射和银河宇宙射线光谱
2. OBTAINING COSMIC-RAY PROPAGATION PARAMETERS FROM DIFFUSE VERY HIGH ENERGY GAMMA-RAY EMISSION FROM THE GALACTIC CENTER RIDGE [J] . I. Buesching, O. C. DE Jager, J. Snyman The Astrophysical journal . 2007,第2Pt1期

机译：从银河中心脊扩散的非常高能量的伽玛射线辐射获得宇宙射线的传播参数
3. OBTAINING COSMIC-RAY PROPAGATION PARAMETERS FROM DIFFUSE VERY HIGH ENERGY GAMMA-RAY EMISSION FROM THE GALACTIC CENTER RIDGE [J] . I. Buesching, O. C. DE Jager, J. Snyman The Astrophysical journal . 2007,第2Pt1期

机译：从银河中心脊扩散的非常高能量的伽玛射线辐射获得宇宙射线的传播参数
4. Fermi-LAT study of diffuse gamma-ray emission in the outer Galaxy and implications for Galactic cosmic-rays [C] . T. MIZUNO, L. TIBALDO, I. GRENIER International Cosmic Ray Conference . 2011

机译：Fermi-LAT在外层裂解中的弥漫性伽马射线发射和银河宇宙射线的影响
5. Gamma-ray studies of stellar graveyards: Fermi-LAT observations of supernova remnants and spatially extended emission [D] . Cohen, Jamie Michael. 2016

机译：Stellar墓地的Gamma射线研究：Fermi-Lat的超新星残余的观察和空间延长排放
6. Ruling out dark matter interpretation of the galactic GeV excess by gamma-ray data of galaxy clusters [O] . Man Ho Chan, Chung Hei Leung -1

机译：通过星系团的伽马射线数据排除对银河系GeV过量的暗物质解释
7. High energy diffuse gamma-ray emission of the galactic disk and Galactic Cosmic-Ray spectra [O] . Satyendra, T 2006

机译：银河盘的高能扩散伽马射线发射和银河宇宙射线光谱

Fermi-LAT study of diffuse gamma-ray emission in the outer Galaxy and implications for Galactic cosmic-rays

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