NEXT-100 对无中微子双贝塔衰变的灵敏度
仪器与探测器
2016-06-01 v2 高能物理 - 实验
核实验
摘要
NEXT-100 是一台电致发光高压氙气时间投影室，将用于搜寻 Xe-136 的无中微子双贝塔（）衰变。该探测器具备对 搜寻极具价值的两个特征：在 Xe-136 的 值处优于 1\% FWHM 的能量分辨率，以及用于判别信号与本底事件的径迹重建。如本文所讨论，这一组合带来了优异的灵敏度。材料筛选测量和详细的蒙特卡洛探测器模拟预言 NEXT-100 的本底率至多为 counts keV kg yr。相应地，对于 100 的曝光量，该探测器将达到对 \bbonu-decay 半衰期 年（90\% CL）的灵敏度；或在运行 3 个有效年后达到 年。
引用
@article{arxiv.1511.09246,
title = {Sensitivity of NEXT-100 to neutrinoless double beta decay},
author = {NEXT Collaboration and J. Martín-Albo and J. Muñoz Vidal and P. Ferrario and M. Nebot-Guinot and J. J. Gómez-Cadenas and V. Álvarez and C. D. R. Azevedo and F. I. G. Borges and S. Cárcel and S. Cebrián and A. Cervera and C. A. N. Conde and J. Díaz and M. Diesburg and R. Esteve and L. M. P. Fernandes and A. L. Ferreira and E. D. C. Freitas and A. Goldschmidt and D. González-Díaz and R. M. Gutiérrez and J. Hauptman and C. A. O. Henriques and J. A. Hernando Morata and L. Labarga and A. Laing and P. Lebrun and I. Liubarsky and N. López-March and D. Lorca and M. Losada and G. Martínez-Lema and A. Martínez and F. Monrabal and C. M. B. Monteiro and F. J. Mora and L. M. Moutinho and P. Novella and D. Nygren and B. Palmeiro and A. Para and J. Pérez and M. Querol and J. Renner and L. Ripoll and J. Rodríguez and F. P. Santos and J. M. F. dos Santos and L. Serra and D. Shuman and A. Simón and C. Sofka and M. Sorel and T. Stiegler and J. F. Toledo and J. Torrent and Z. Tsamalaidze and J. F. C. A. Veloso and R. Webb and J. T. White and N. Yahlali and H. Yepes-Ramírez},
journal= {arXiv preprint arXiv:1511.09246},
year = {2016}
}
备注
Accepted for publication in the Journal of High Energy Physics (JHEP)