arXiv 0705.02022007-05-02astro-ph

卡尔斯鲁厄空气簇射测量

Air Shower Measurements in Karlsruhe

Andreas Haungs

备注：: (15 pages) Contribution to the 80th anniversary of late Georgii Borisovich Khristiansen. To appear at "Akademik G.B. Khristiansen - uchenyi Moskovskogo universiteta (k 80-letiyu so dnya rozhdeniya). M.: Izdatel'stvo KDU, 2007"

摘要：

卡尔斯鲁厄的多探测器装置KASCADE、KASCADE-Grande和LOPES的目标是测量10^14 eV到10^18 eV之间所谓膝能范围内的宇宙射线。对KASCADE测量的空气簇射数据进行的多维分析表明，在轻初级宇宙射线的能谱中有一个明显的拐点，重宇宙射线向更高能量的方向越来越占主导地位。这提供了，连同大规模的各向异性研究的结果，歧视的膝盖起源的天体物理模型的影响。为了提高重建质量和统计数据在更高的能量，其中膝盖的沉重的小学预计在100 PeV左右，KASCADE已扩大了10倍的面积，以新的实验KASCADE-Grande。LOPES位于KASCADE-Grande实验现场。它测量来自广泛的空气簇射的无线电脉冲，目的是为未来的大规模实验建立这种更新的探测技术。

英文摘要：

The Karlsruhe multi-detector set-ups KASCADE, KASCADE-Grande, and LOPES aim on measurements of cosmic rays in the energy range of the so called knee between 10^14 eV and 10^18 eV. The multidimensional analysis of the air shower data measured by KASCADE indicates a distinct knee in the energy spectra of light primary cosmic rays and an increasing dominance of heavy ones towards higher energies. This provides, together with the results of large scale anisotropy studies, implications for discriminating astrophysical models of the origin of the knee. To improve the reconstruction quality and statistics at higher energies, where the knee of the heavy primaries is expected at around 100 PeV, KASCADE has been extended by a factor 10 in area to the new experiment KASCADE-Grande. LOPES is located on site of the KASCADE-Grande experiment. It measures radio pulses from extensive air showers with the goal to establish this renewed detection technique for future large scale experiments.

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