The JEM-EUSO mission to explore the extreme universe
The JEM-EUSO mission to explore the extreme universe
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JEM-EUSO 探索极端宇宙的任务
DOI：
10.1016/j.nima.2010.03.023
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发表时间：
2010
期刊：
影响因子：
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通讯作者：
Fumiyoshi Kajino for the JEM-EUSOcollaboration
中科院分区：
文献类型：
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作者：
I.Ogawa;T.Kishimoto;et al.;Takashi Nakamura;Fumiyoshi Kajino for the JEM-EUSOcollaboration
安装在国际空间站(ISS)的日本实验舱(JEM)上的极端宇宙空间天文台JEM-EUSO将利用地球大气层作为极端能量宇宙射线的巨型探测器，极端能量宇宙射线是来自宇宙的最高能量粒子。从太空俯视地球，JEM-EUSO将通过观察此类粒子在大气中传递过程中产生的荧光和切伦科夫光子来探测它们。JEM-EUSO的主要目标是通过极端能量高于1019 eV数倍的粒子通道进行天文学和天体物理学研究，并提供超过Greisen-Zatsepin-Kuzmin(GZK)截止值的重要统计数据。此外，JEM-EUSO还可以观测到极高能量的中微子。JEM-EUSO的设计已经在国际空间站上运行了三年多，每隔90分钟在大约400公里的高度绕地球运行。日本宇宙航空研究开发机构已选择JEM-EUSO作为JEM/EF第二阶段利用的候选飞行任务之一，以便在2010年代初至中期发射。
Accommodated on the Japanese Experiment Module (JEM) of the International Space Station (ISS), the Extreme Universe Space Observatory JEM-EUSO will utilize the Earth’s atmosphere as a giant detector of the extreme energy cosmic rays; the most energetic particles coming from the Universe. Looking downward the Earth from Space, JEM-EUSO will detect such particles by observing the fluorescence and Cherenkov photons produced during their pass in the atmosphere. The main objective of JEM-EUSO is doing astronomy and astrophysics through the particle channel with extreme energies above several times 1019eV with a significant statistics beyond the Greisen–Zatsepin–Kuzmin (GZK) cut-off. Moreover, JEM-EUSO could observe extremely high energy neutrinos. JEM-EUSO has been designed to operate for more than 3 years onboard the ISS orbiting around the Earth every 90min at an altitude of about 400km. JAXA has selected JEM-EUSO as one of the mission candidates of the second phase utilization of JEM/EF for the launch in early-to-mid 2010s.