LOPES实验的修正绝对振幅校准
Revised absolute amplitude calibration of the LOPES experiment
摘要：
LOPES实验的主要目的之一是评估空气簇射无线电信号的绝对幅度。这是特别令人感兴趣的，因为无线电技术提供了一个独立的和高度精确的测定宇宙射线的能量标度的基础上从蒙特卡罗模拟的信号预测的可能性。为了校准由LOPES测量的振幅，我们使用了外部源。先前对LOPES测量和CoREAS预测的无线电信号幅度模拟的比较显示了两个因素的差异。制造商最近对参考校准源进行了重新测量，现在对自由场进行了重新测量。更新后的校准值导致LOPES测量的重建电场降低了$2.6 \pm 0.2$，因此与CoREAS模拟的一致性明显更好。我们讨论了更新的校准及其对LOPES分析结果的影响。
英文摘要：
One of the main aims of the LOPES experiment was the evaluation of the absolute amplitude of the radio signal of air showers. This is of special interest since the radio technique offers the possibility for an independent and highly precise determination of the energy scale of cosmic rays on the basis of signal predictions from Monte Carlo simulations. For the calibration of the amplitude measured by LOPES we used an external source. Previous comparisons of LOPES measurements and simulations of the radio signal amplitude predicted by CoREAS revealed a discrepancy of the order of a factor of two. A re-measurement of the reference calibration source, now performed for the free field, was recently performed by the manufacturer. The updated calibration values lead to a lowering of the reconstructed electric field measured by LOPES by a factor of $2.6 \pm 0.2$ and therefore to a significantly better agreement with CoREAS simulations. We discuss the updated calibration and its impact on the LOPES analysis results.
机构、总结、中文摘要均由AI分析而来，可能存在错误，请以论文正文为准。
