OPERA 实验在 CNGS 束流中关于中微子振荡参数的最终结果
高能物理 - 实验
2019-09-11 v2 仪器与探测器
摘要
OPERA 实验在缪子中微子 CNGS 束流中确凿地观测到了陶子中微子的出现。利用 OPERA 探测器的能力，成功分离出了高纯度的 、 和 荷流弱中微子相互作用样本，以及中性流弱相互作用样本。在本信中，首次使用完整数据集检验了三味中微子振荡模型，并在 中微子模型框架内推导了对轻惰性中微子存在的约束。首次联合使用陶子和电子中微子出现通道来检验惰性中微子假说。在 90% 置信水平下，排除了 LSND 和 MiniBooNE 实验所允许的惰性中微子参数空间的重要部分。特别是，MiniBooNE 结合中微子和反中微子数据获得的最佳拟合值在 3.3 显著性水平上被排除。
引用
@article{arxiv.1904.05686,
title = {Final results on neutrino oscillation parameters from the OPERA experiment in the CNGS beam},
author = {OPERA Collaboration and N. Agafonova and A. Alexandrov and A. Anokhina and S. Aoki and A. Ariga and T. Ariga and A. Bertolin and C. Bozza and R. Brugnera and S. Buontempo and M. Chernyavskiy and A. Chukanov and L. Consiglio and N. D'Ambrosio and G. De Lellis and M. De Serio and P. del Amo Sanchez and A. Di Crescenzo and D. Di Ferdinando and N. Di Marco and S. Dmitrievsky and M. Dracos and D. Duchesneau and S. Dusini and T. Dzhatdoev and J. Ebert and A. Ereditato and R. A. Fini and T. Fukuda and G. Galati and A. Garfagnini and V. Gentile and J. Goldberg and S. Gorbunov and Y. Gornushkin and G. Grella and A. M. Guler and C. Gustavino and C. Hagner and T. Hara and T. Hayakawa and A. Hollnagel and K. Ishiguro and A. Iuliano and K. Jakovcic and C. Jollet and C. Kamiscioglu and M. Kamiscioglu and S. H. Kim and N. Kitagawa and B. Klicek and K. Kodama and M. Komatsu and U. Kose and I. Kreslo and F. Laudisio and A. Lauria and A. Longhin and P. Loverre and A. Malgin and G. Mandrioli and T. Matsuo and V. Matveev and N. Mauri and E. Medinaceli and A. Meregaglia and S. Mikado and M. Miyanishi and F. Mizutani and P. Monacelli and M. C. Montesi and K. Morishima and M. T. Muciaccia and N. Naganawa and T. Naka and M. Nakamura and T. Nakano and K. Niwa and S. Ogawa and N. Okateva and K. Ozaki and A. Paoloni and L. Paparella and B. D. Park and L. Pasqualini and A. Pastore and L. Patrizii and H. Pessard and D. Podgrudkov and N. Polukhina and M. Pozzato and F. Pupilli and M. Roda and T. Roganova and H. Rokujo and G. Rosa and O. Ryazhskaya and O. Sato and A. Schembri and I. Shakiryanova and T. Shchedrina and E. Shibayama and H. Shibuya and T. Shiraishi and S. Simone and C. Sirignano and G. Sirri and A. Sotnikov and M. Spinetti and L. Stanco and N. Starkov and S. M. Stellacci and M. Stipcevic and P. Strolin and S. Takahashi and M. Tenti and F. Terranova and V. Tioukov and S. Tufanli and S. Vasina and P. Vilain and E. Voevodina and L. Votano and J. L. Vuilleumier and G. Wilquet and C. S. Yoon},
journal= {arXiv preprint arXiv:1904.05686},
year = {2019}
}
备注
7 pages, 4 figures; Editors: Budimir Kli\v{c}ek and Matteo Tenti