吨级 NEXT 探测器对无中微子双β衰变搜寻的灵敏度
仪器与探测器
2021-02-23 v2 核实验
摘要
氙 TPC 中微子实验（NEXT）利用具有电致发光放大的高压氙气 TPC 搜寻 Xe-136 的无中微子双β衰变。该技术放大版本约含 1 吨富集氙，在少于 5 年的运行时间内可达到优于 1E27 年的无中微子双β衰变半衰期灵敏度，将当前极限至少提高一个数量级。该预测基于以放射性来源为主导的、已被充分理解的本底模型。此处提出的探测器概念代表了迈向由中微子质量反序所定义的参数空间及更远灵敏度这一引人注目路径的第一步。
引用
@article{arxiv.2005.06467,
title = {Sensitivity of a tonne-scale NEXT detector for neutrinoless double beta decay searches},
author = {NEXT Collaboration and C. Adams and V. Álvarez and L. Arazi and I. J. Arnquist and C. D. R Azevedo and K. Bailey and F. Ballester and J. M. Benlloch-Rodríguez and F. I. G. M. Borges and N. Byrnes and S. Cárcel and J. V. Carrión and S. Cebrián and E. Church and C. A. N. Conde and T. Contreras and A. A. Denisenko and G. Díaz and J. Díaz and J. Escada and R. Esteve and R. Felkai and L. M. P. Fernandes and P. Ferrario and A. L. Ferreira and F. Foss and E. D. C. Freitas and Z. Freixa and J. Generowicz and A. Goldschmidt and J. J. Gómez-Cadenas and R. González and D. González-Díaz and S. Gosh and R. Guenette and R. M. Gutiérrez and J. Haefner and K. Hafidi and J. Hauptman and C. A. O. Henriques and J. A. Hernando Morata and P. Herrero and V. Herrero and J. Ho and Y. Ifergan and B. J. P. Jones and M. Kekic and L. Labarga and A. Laing and P. Lebrun and N. López-March and M. Losada and R. D. P. Mano and J. Martín-Albo and A. Martínez and M. Martínez-Vara and G. Martínez-Lema and A. D. McDonald and Z. E. Meziani and F. Monrabal and C. M. B. Monteiro and F. J. Mora and J. Muñoz Vidal and C. Newhouse and P. Novella and D. R. Nygren and E. Oblak and B. Palmeiro and A. Para and J. Pérez and M. Querol and A. Redwine and J. Renner and L. Ripoll and I. Rivilla and Y. Rodríguez García and J. Rodríguez and C. Rogero and L. Rogers and B. Romeo and C. Romo-Luque and F. P. Santos and J. M. F. dos Santos and A. Simón and M. Sorel and C. Stanford and J. M. R. Teixeira and P. Thapa and J. F. Toledo and J. Torrent and A. Usón and J. F. C. A. Veloso and T. T. Vuong and R. Webb and R. Weiss-Babai and J. T. White and K. Woodruff and N. Yahlali},
journal= {arXiv preprint arXiv:2005.06467},
year = {2021}
}
备注
22 pages, 11 figures