NEMO-3中$^{100}$Mo双中微子双β衰变的详细研究
核实验
2022-03-08 v2
摘要
利用NEMO-3实验的完整数据集，测量了Mo到Ru基态的双中微子双β衰变半衰期， y。给出了具有空前统计量个事件和约80的信号-本底比的双电子能量和、单电子能谱以及电子间角度分布。对该核跃迁发现了单态主导模型的明确证据。获得了谱指数n=2,3,7的发射Majoron无中微子双β衰变模式的限制，以及对洛伦兹不变性破坏和双中微子双β衰变模式中玻色子中微子贡献的约束。
引用
@article{arxiv.1903.08084,
title = {Detailed studies of $^{100}$Mo two-neutrino double beta decay in NEMO-3},
author = {3 Collaboration and R. Arnold and C. Augier and A. S. Barabash and A. Basharina-Freshville and S. Blondel and S. Blot and M. Bongrand and D. Boursette and V. Brudanin and J. Busto and A. J. Caffrey and S. Calvez and M. Cascella and C. Cerna and J. P. Cesar and A. Chapon and E. Chauveau and A. Chopra and L. Dawson and D. Duchesneau and D. Durand and R. Dvornický and V. Egorov and G. Eurin and J. J. Evans and L. Fajt and D. Filosofov and R. Flack and X. Garrido and C. Girard-Carillo and H. Gómez and B. Guillon and P. Guzowski and R. Hodák and A. Huber and P. Hubert and C. Hugon and S. Jullian and O. Kochetov and S. I. Konovalov and V. Kovalenko and D. Lalanne and K. Lang and Y. Lemière and T. Le Noblet and Z. Liptak and X. R. Liu and P. Loaiza and G. Lutter and M. Macko and C. Macolino and F. Mamedov and C. Marquet and F. Mauger and A. Minotti and B. Morgan and J. Mott and I. Nemchenok and M. Nomachi and F. Nova and F. Nowacki and H. Ohsumi and G. Oliviéro and R. B. Pahlka and C. Patrick and F. Perrot and A. Pin and F. Piquemal and P. Povinec and P. Přidal and Y. A. Ramachers and A. Remoto and J. L. Reyss and C. L. Riddle and E. Rukhadze and R. Saakyan and A. Salamatin and R. Salazar and X. Sarazin and J. Sedgbeer and Yu. Shitov and L. Simard and F. Šimkovic and A. Smetana and K. Smolek and A. Smolnikov and S. Söldner-Rembold and B. Soulé and I. Štekl and J. Suhonen and C. S. Sutton and G. Szklarz and H. Tedjditi and J. Thomas and V. Timkin and S. Torre and Vl. I. Tretyak and V. I. Tretyak and V. I. Umatov and I. Vanushin and C. Vilela and V. Vorobel and D. Waters and F. Xie and A. Žukauskas},
journal= {arXiv preprint arXiv:1903.08084},
year = {2022}
}
备注
11 pages, 9 figures