论文标题
超高能源中微子核子横截面：宇宙Eev-neutrino发现时代的测量预测
The ultra-high-energy neutrino-nucleon cross section: measurement forecasts for an era of cosmic EeV-neutrino discovery
论文作者
论文摘要
中微子与质子和中子的相互作用探测其深层结构，并可能揭示新的物理学。中微子能量越高，探测器越大。到目前为止，中微子 - 核心（$νn$）横截面是从几百MEV到几PEV的中微子能量中众所周知的。很快，超高能量（UHE）宇宙中微子，能量超过100 PEV，可能会使我们更远。到目前为止，他们已经逃避了发现，但是即将到来的中微子望远镜努力寻找它们。我们提供了第一个详细的测量预测，该预测是UHE $νn$横截面，该预测是针对IceCube-gen2（计划中的领先探测器之一）。我们在预测的每个阶段都使用最先进的成分：在UHE中微子通量预测中，地球内中微子的传播，中微子诱导的无线电信号在检测器中的发射，它们的传播和检测以及背景的处理。 10年后，如果检测到至少几十个UHE中微子诱导的事件，IceCube-gen2可以测量$ \ sqrt {s} \ sqrt {s} \ 10-100 $ tev的$νn$横截面，则首次与其理论预测的精确性相比。
Neutrino interactions with protons and neutrons probe their deep structure and may reveal new physics. The higher the neutrino energy, the sharper the probe. So far, the neutrino-nucleon ($νN$) cross section is known across neutrino energies from a few hundred MeV to a few PeV. Soon, ultra-high-energy (UHE) cosmic neutrinos, with energies above 100 PeV, could take us farther. So far, they have evaded discovery, but upcoming UHE neutrino telescopes endeavor to find them. We present the first detailed measurement forecasts of the UHE $νN$ cross section, geared to IceCube-Gen2, one of the leading detectors under planning. We use state-of-the-art ingredients in every stage of our forecasts: in the UHE neutrino flux predictions, the neutrino propagation inside Earth, the emission of neutrino-induced radio signals in the detector, their propagation and detection, and the treatment of backgrounds. After 10 years, if at least a few tens of UHE neutrino-induced events are detected, IceCube-Gen2 could measure the $νN$ cross section at center-of-mass energies of $\sqrt{s} \approx 10-100$ TeV for the first time, with a precision comparable to that of its theory prediction.
