2006年12月13日太阳高能粒子谱的IceTop测量
Solar Energetic Particle Spectrum on 13 December 2006 Determined by IceTop
摘要：
2006年12月13日，南极冰顶空气簇射阵列探测到一个重大的太阳粒子事件。通过数值模拟的冰顶坦克，这是厚切伦科夫探测器部署在高海拔的多个阈值，没有地磁截止的响应，我们确定的粒子能谱的能量范围为0.6至7.6 GeV。这是第一次这样的光谱测量使用一个单一的仪器与明确的观察方向。我们比较冰顶光谱和它的时间演变与以前公布的结果和大纲计划，以提高未来的太阳粒子光谱的分辨率。
英文摘要：
On 13 December 2006 the IceTop air shower array at the South Pole detected a major solar particle event. By numerically simulating the response of the IceTop tanks, which are thick Cherenkov detectors with multiple thresholds deployed at high altitude with no geomagnetic cut-off, we determined the particle energy spectrum in the energy range 0.6 to 7.6 GeV. This is the first such spectral measurement using a single instrument with a well defined viewing direction. We compare the IceTop spectrum and its time evolution with previously published results and outline plans for improved resolution of future solar particle spectra.
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