超高能中微子吸收谱的测定
Determining neutrino absorption spectra at Ultra-High Energies
摘要：
超高能中微子流量测量的一个非常有效的方法是通过探测月壤中粒子簇射发射的无线电波。在现代射电望远镜可以测量的100-200 MHz频带中的无线电波达到最高接受度。在这项工作中，我们调查的灵敏度，这种检测方法的结构在UHE中微子光谱所造成的低能量遗迹反中微子背景通过Z-玻色子共振吸收。吸收峰的位置对中微子质量和源的红移敏感。新一代的低频数字射电望远镜将为测量这些无线电脉冲提供出色的探测能力，因此我们在这里的审议非常及时。
英文摘要：
A very efficient method to measure the flux of Ultra-high energy (UHE) neutrinos is through the detection of radio waves which are emitted by the particle shower in the lunar regolith. The highest acceptance is reached for radio waves in the frequency band of 100-200 MHz which can be measured with modern radio telescopes. In this work we investigate the sensitivity of this detection method to structures in the UHE neutrino spectrum caused by their absorption on the low-energy relic anti-neutrino background through the Z-boson resonance. The position of the absorption peak is sensitive to the neutrino mass and the redshift of the source. A new generation of low-frequency digital radio telescopes will provide excellent detection capabilities for measuring these radio pulses, thus making our consideration here very timely.
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