TA中鼓探测器与面阵的混合能谱
The Hybrid Energy Spectrum of TA's Middle Drum Detector and Surface Array
摘要：
望远镜阵列实验使用混合探测器研究超高能宇宙射线。荧光望远镜测量当初级宇宙射线粒子与大气相互作用时产生的广泛空气簇射的纵向发展。与此同时，闪烁探测器测量撞击地面的二次簇射粒子的横向分布。中鼓（MD）荧光望远镜站由来自高分辨率蝇眼（HiRes）实验的14台望远镜组成，提供了与HiRes测量的直接联系。结合望远镜数据使用闪烁体探测器数据显著地改进了簇射的几何重建，并且因此提供了初级粒子能量的更精确的重建。介绍了中鼓混合光谱，并与中鼓站在单目模式下测量的混合光谱进行了比较。此外，混合数据在Middle Drum数据和表面阵列之间建立了联系。还示出了中间鼓混合能谱和闪烁体表面探测器（SD）谱之间的比较。
英文摘要：
The Telescope Array experiment studies ultra high energy cosmic rays using a hybrid detector. Fluorescence telescopes measure the longitudinal development of the extensive air shower generated when a primary cosmic ray particle interacts with the atmosphere. Meanwhile, scintillator detectors measure the lateral distribution of secondary shower particles that hit the ground. The Middle Drum (MD) fluorescence telescope station consists of 14 telescopes from the High Resolution Fly's Eye (HiRes) experiment, providing a direct link back to the HiRes measurements. Using the scintillator detector data in conjunction with the telescope data improves the geometrical reconstruction of the showers significantly, and hence, provides a more accurate reconstruction of the energy of the primary particle. The Middle Drum hybrid spectrum is presented and compared to that measured by the Middle Drum station in monocular mode. Further, the hybrid data establishes a link between the Middle Drum data and the surface array. A comparison between the Middle Drum hybrid energy spectrum and scintillator Surface Detector (SD) spectrum is also shown.
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