相干弹性中微子-原子核散射的观测
核实验
2017-08-07 v1 高能物理 - 实验
高能物理 - 唯象学
核理论
摘要
中微子与原子核的相干弹性散射尽管其预测截面是所有低能中微子耦合中最大的，但四十年来一直未能被探测到。这种相互作用模式为研究中微子性质提供了新的机会，并可使探测器尺寸小型化，具有潜在的技术应用前景。我们使用一个低本底、14.6 千克的 CsI[Na] 闪烁体，将其暴露于橡树岭国家实验室散裂中子源 (SNS) 的中微子发射中，以 6.7 西格玛的置信度观测到了这一过程。在高信号本底比条件下，观测到了标准模型为该过程预测的能量和时间特征信号。基于这一初始数据集，我们导出了对非标准中微子与夸克相互作用的改进约束。
引用
@article{arxiv.1708.01294,
title = {Observation of Coherent Elastic Neutrino-Nucleus Scattering},
author = {D. Akimov and J. B. Albert and P. An and C. Awe and P. S. Barbeau and B. Becker and V. Belov and A. Brown and A. Bolozdynya and B. Cabrera-Palmer and M. Cervantes and J. I. Collar and R. J. Cooper and R. L. Cooper and C. Cuesta and D. J. Dean and J. A. Detwiler and A. Eberhardt and Y. Efremenko and S. R. Elliott and E. M. Erkela and L. Fabris and M. Febbraro and N. E. Fields and W. Fox and Z. Fu and A. Galindo-Uribarri and M. P. Green and M. Hai and M. R. Heath and S. Hedges and D. Hornback and T. W. Hossbach and E. B. Iverson and L. J. Kaufman and S. Ki and S. R. Klein and A. Khromov and A. Konovalov and M. Kremer and A. Kumpan and C. Leadbetter and L. Li and W. Lu and K. Mann and D. M. Markoff and K. Miller and H. Moreno and P. E. Mueller and J. Newby and J. L. Orrell and C. T. Overman and D. S. Parno and S. Penttila and G. Perumpilly and H. Ray and J. Raybern and D. Reyna and G. C. Rich and D. Rimal and D. Rudik and K. Scholberg and B. J. Scholz and G. Sinev and W. M. Snow and V. Sosnovtsev and A. Shakirov and S. Suchyta and B. Suh and R. Tayloe and R. T. Thornton and I. Tolstukhin and J. Vanderwerp and R. L. Varner and C. J. Virtue and Z. Wan and J. Yoo and C. -H. Yu and A. Zawada and J. Zettlemoyer and A. M. Zderic},
journal= {arXiv preprint arXiv:1708.01294},
year = {2017}
}