天基超高能宇宙射线探测卫星的概念与分析
Concept and Analysis of a Satellite for Space-based Radio Detection of Ultra-high Energy Cosmic Rays
摘要：
我们提出了一个超高能宇宙射线（UHECR）的在轨无线电探测的概念，它有可能提供每年约100个事件的收集率超过10 ^20 eV的能量。天气宽带轨道无线电探测器（SWORD）任务在这些能量下的高事件统计数据与星载天线阵列的指向能力相结合，可以使带电粒子天文学成为可能。探测器的概念是基于ANITA的成功探测UHECR，其中由扩展的空气簇射产生的地球同步辐射无线电信号被地球表面反射并在飞行中被探测到。
英文摘要：
We present a concept for on-orbit radio detection of ultra-high energy cosmic rays (UHECRs) that has the potential to provide collection rates of ~100 events per year for energies above 10^20 eV. The synoptic wideband orbiting radio detector (SWORD) mission's high event statistics at these energies combined with the pointing capabilities of a space-borne antenna array could enable charged particle astronomy. The detector concept is based on ANITA's successful detection UHECRs where the geosynchrotron radio signal produced by the extended air shower is reflected off the Earth's surface and detected in flight.
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