通过Westerbork合成Radio Telescope的观测改进了能量大于10 $^{22}$ eV的中微子的通量极限
Improved flux limits for neutrinos with energies above 10$^{22}$ eV from observations with the Westerbork Synthesis Radio Telescope
摘要：
由月球风化层中的超高能（UHE）中微子引发的粒子级联将通过称为Askaryan效应的过程发出持续时间为纳秒量级的电磁脉冲。已经表明，在150兆赫左右的观测窗口中，用天文学中常用的射电望远镜探测这种辐射的机会最大。在50小时的观测时间与韦斯特博克综合射电望远镜阵列，我们已经设定了一个新的限制的中微子通量，总结了所有口味，与能量超过$4\times10^{22}$电子伏特。
英文摘要：
Particle cascades initiated by ultra-high energy (UHE) neutrinos in the lunar regolith will emit an electromagnetic pulse with a time duration of the order of nano seconds through a process known as the Askaryan effect. It has been shown that in an observing window around 150 MHz there is a maximum chance for detecting this radiation with radio telescopes commonly used in astronomy. In 50 hours of observation time with the Westerbork Synthesis Radio Telescope array we have set a new limit on the flux of neutrinos, summed over all flavors, with energies in excess of $4\times10^{22}$ eV.
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