Measurement of cosmic-ray air showers with the Tunka Radio Extension (Tunka-Rex)

Measurement of cosmic-ray air showers with the Tunka Radio Extension (Tunka-Rex)
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使用 Tunka 无线电扩展 (Tunka-Rex) 测量宇宙射线空气簇射

DOI:
10.1016/j.nima.2015.08.061
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发表时间:
2015
影响因子:
1.4
通讯作者:
P. A. Bezyazeekov
P. A. Bezyazeekov
中科院分区:
物理与天体物理3区
文献类型:
--
作者:
P. A. Bezyazeekov

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Tunka-Rex 是西伯利亚宇宙射线空气簇射的无线电探测器,由同位空气切伦科夫探测器 Tunka-133 触发。 Tunka-Rex 的主要目标是通过测量空气切伦科夫光和同一空气喷淋室发出的无线电信号来交叉校准两个探测器。通过这种方式,我们可以探索无线电探测技术的精度,特别是对于一次能量的重建和最大流星雨的深度。后者对初级宇宙射线粒子的质量敏感。在本文中,我们描述了探测器设置并解释了如何校准电子设备和天线。对第一季数据的分析证明了宇宙射线空气簇射的探测,从而证明了探测器的功能。我们确认了检测阈值对地磁角度的预期依赖性以及初级宇宙射线粒子的能量与射电振幅之间的相关性。此外,我们将无线电脉冲的重构幅度与 CoREAS 模拟的预测进行比较,在不确定性范围内找到了一致性。
Tunka-Rex is a radio detector for cosmic-ray air showers in Siberia, triggered by Tunka-133, a co-located air-Cherenkov detector. The main goal of Tunka-Rex is the cross-calibration of the two detectors by measuring the air-Cherenkov light and the radio signal emitted by the same air showers. This way we can explore the precision of the radio-detection technique, especially for the reconstruction of the primary energy and the depth of the shower maximum. The latter is sensitive to the mass of the primary cosmic-ray particles. In this paper we describe the detector setup and explain how electronics and antennas have been calibrated. The analysis of data of the first season proves the detection of cosmic-ray air showers and therefore, the functionality of the detector. We confirm the expected dependence of the detection threshold on the geomagnetic angle and the correlation between the energy of the primary cosmic-ray particle and the radio amplitude. Furthermore, we compare reconstructed amplitudes of radio pulses with predictions from CoREAS simulations, finding agreement within the uncertainties.
雅库茨克阵列无线电发射登记结果能量范围为3*10^16-5*10^18 eV
DOI: --
发表时间: 2013
期刊:
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DOI: --
发表时间: 2013
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