月球切伦科夫技术:从帕克斯开始
The Lunar Cherenkov Technique: From Parkes Onwards
摘要:
月球切伦科夫技术的目的是探测UHE粒子在月球风化层中相互作用时产生的相干切伦科夫辐射,该技术于1995年首次尝试使用帕克斯射电望远镜,尽管当时该理论还没有充分发展,无法从非观测中计算UHE中微子通量的极限。从那时起,该技术已经发展到包括利用较低频率,较宽带宽和整个天线阵列的实验。我们开发了一个模拟来分析全范围的实验,并计算UHE中微子通量极限从Parkes实验,包括方向依赖性。我们的研究结果提出了一种规划未来观测的方法,并演示了如何利用所有可用的信息,从月球的无线电脉冲的性质,用于检测UHE粒子。
英文摘要:
The lunar Cherenkov technique, which aims to detect the coherent Cherenkov radiation produced when UHE particles interact in the lunar regolith, was first attempted with the Parkes radio-telescope in 1995, though the theory was not sufficiently developed at this time to calculate a limit on the UHE neutrino flux from the non-observation. Since then, the technique has evolved to include experiments utilising lower frequencies, wider bandwidths, and entire arrays of antenna. We develop a simulation to analyse the full range of experiments, and calculate the UHE neutrino flux limit from the Parkes experiment, including the directional dependence. Our results suggest a methodology for planning future observations, and demonstrate how to utilise all available information on the nature of radio pulses from the Moon for the detection of UHE particles.
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