来自飞行中 π 介子衰变中微子的 ν_μ → ν_e 振荡证据
核实验
2008-11-26 v1 高能物理 - 实验
高能物理 - 唯象学
摘要
在洛斯阿拉莫斯介子物理设施上利用来自 π^+ 飞行衰变的 ν_μ 进行了 ν_μ → ν_e 振荡的搜寻。观测到来自 C(ν_e,e^-)X 包容反应的束流相关事件数超出。该超出太大，无法以大于 99% 的置信度用束流中正常 ν_e 污染解释。若解释为振荡信号，观测到的 (2.6 ± 1.0 ± 0.5) × 10^{-3} 振荡概率与 LSND 先前报道的 ν_μ_bar → ν_e_bar 振荡证据一致。
引用
@article{arxiv.nucl-ex/9706006,
title = {Evidence for nu_mu -> nu_e Oscillations from Pion Decay in Flight Neutrinos},
author = {LSND Collaboration and C. Athanassopoulos and L. B. Auerbach and R. L. Burman and D. O. Caldwell and E. D. Church and I. Cohen and B. D. Dieterle and J. B. Donahue and A. Fazely and F. J. Federspiel and G. T. Garvey and R. M. Gunasingha and R. Imlay and K. Johnston and H. J. Kim and W. C. Louis and R. Majkic and J. Margulies and K. McIlhany and W. Metcalf and G. B. Mills and R. A. Reeder and V. Sandberg and D. Smith and I. Stancu and W. Strossman and R. Tayloe and G. J. VanDalen and W. Vernon and N. Wadia and J. Waltz and D. H. White and D. Works and Y. Xiao and S. Yellin},
journal= {arXiv preprint arXiv:nucl-ex/9706006},
year = {2008}
}
备注
70 pages (LaTeX), 32 figures (PostScript), submitted to Phys. Rev. C. Additional information at http://nu1.lampf.lanl.gov/~lsnd