单能缪子 neutrino 带电流相互作用的首次测量
高能物理 - 实验
2018-05-08 v2 高能物理 - 唯象学
核实验
摘要
我们报告了单能缪子中微子（）带电流相互作用的首次测量。MiniBooNE 在 NuMI 束线吸收体处隔离出了源自带电 K 介子静止衰变（）的 236 MeV 缪子中微子事件。这些信号 -碳事件利用到达时间与重建缪子能量，从主要在靶站与衰变管产生的、由介子飞行衰变而来的 与 本底中区分出来。信号观测的显著性处于 3.9 水平。我们提取了这些事件的缪子动能、中微子-核能量转移（）以及总截面。该结果是首个已知能量、仅弱相互作用的核探针，利用中微子给出 的测量，而该量此前仅能通过电子散射获取。
引用
@article{arxiv.1801.03848,
title = {First Measurement of Monoenergetic Muon Neutrino Charged Current Interactions},
author = {A. A. Aguilar-Arevalo and B. C. Brown and L. Bugel and G. Cheng and E. D. Church and J. M. Conrad and R. L. Cooper and R. Dharmapalan and Z. Djurcic and D. A. Finley and R. S. Fitzpatrick and R. Ford and F. G. Garcia and G. T. Garvey and J. Grange and W. Huelsnitz and C. Ignarra and R. Imlay and R. A. Johnson and J. R. Jordan and G. Karagiorgi and T. Katori and T. Kobilarcik and W. C. Louis and K. Mahn and C. Mariani and W. Marsh and G. B. Mills and J. Mirabal and C. D. Moore and J. Mousseau and P. Nienaber and B. Osmanov and Z. Pavlovic and D. Perevalov and H. Ray and B. P. Roe and A. D. Russell and M. H. Shaevitz and J. Spitz and I. Stancu and R. Tayloe and R. T. Thornton and R. G. Van de Water and M. O. Wascko and D. H. White and D. A. Wickremasinghe and G. P. Zeller and E. D. Zimmerman},
journal= {arXiv preprint arXiv:1801.03848},
year = {2018}
}
备注
6 pages, 4 figures