Direct measurement of the vertical component of the electric field from EAS

Direct measurement of the vertical component of the electric field from EAS
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通过 EAS 直接测量电场的垂直分量

DOI：
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发表时间：
2017
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通讯作者：
B. Revenu
B. Revenu
中科院分区：
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文献类型：
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作者：
R. Dallier;H. Carduner;D. Charrier;L. Denis;A. Escudie;D. García;A. Lecacheux;L. Martin;B. Revenu

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CODALEMA 粒子探测器中心附近安装了三重天线系统。其目标是测量气簇产生的完整电场，即沿着东西 (EW)、南北 (NS) 和垂直 3 个极化方向。事实上，在所有当前运行的无线电探测阵列上，仅测量水平 NS 和 EW 偏振或其投影。如果远场假设有效，这允许重建垂直电场分量，但尽管基于空气喷淋无线电发射理论的强烈暗示倾向于验证这一假设，但它从未经过实验验证。我们展示了 3D 天线及其采集系统，以及获得的第一个结果。
A three-fold antenna system has been installed nearby the center of the CODALEMA particle detector. Its goal is to measure the complete electric field produced by air showers, i.e. along the 3 polarizations East-West (EW), North-South (NS) and vertical. Indeed on all currently operating radio detection arrays, only the horizontal NS and EW polarizations or their projections are measured. This allows the vertical electric field component to be reconstructed, provided that the far-field assumption is valid, but though strong hints based on the theories of air shower radio emission tend to validate this hypothesis, it has never been verified experimentally. We present the 3D antenna and its acquisition system, and the first results obtained.