论文标题
超新星中微子通过相干散射从硅核检测
Supernovae neutrino detection via coherent scattering off silicon nuclei
论文作者
论文摘要
低能中微子是超新星爆炸中清洁的使者，可能对恒星进化的过程具有独特的见解。我们估计了中微子在硅核上的相干弹性散射的预期数量，就像电荷偶联器件（CCD）检测器一样。如果我们假设10公斤的硅和1 kpc的超新星，则在约18 s的窗口上集成的预期事件数量为$ \ sim $ 4。对于类似于红色Supergiant Betelgeuse的距离，根据超新星模型，预期事件的数量增加到$ \ sim $ 30-120。我们认为，硅探测器对超新星中微子有效，并且可能区分某些目标质量和距离的模型。
Low-energy neutrinos are clean messengers from supernovae explosions and probably carry unique insights into the process of stellar evolution. We estimate the expected number of events considering coherent elastic scattering of neutrinos off silicon nuclei, as would happen in Charge Coupled Devices (CCD) detectors. The number of expected events, integrated over a window of about 18 s, is $\sim$ 4 if we assume 10 kg of silicon and a supernovae 1 kpc away. For a distance similar to the red supergiant Betelgeuse, the number of expected events increases to $\sim$ 30 - 120, depending on the supernovae model. We argue that silicon detectors can be effective for supernovae neutrinos, and might possibly distinguish between models for certain target masses and distances.
