NEXT-100双β衰变实验中的放射性纯度控制：流程与初步测量
仪器与探测器
2015-06-12 v3 核实验
摘要
氙气时间投影室中微子实验(NEXT)旨在研究136Xe的无中微子双β衰变，这需要严格抑制潜在本底。NEXT正在进行广泛的筛选和材料选择过程，因为对于稀有事件搜索而言，控制实验装置所用材料的放射性纯度水平是必须的。本文描述了在西班牙坎弗兰克地下实验室使用辉光放电质谱法和超低本底锗探测器进行γ射线能谱法的初步测量。总结了天然放射链和其他常见放射性核素的活度结果，其中铜和不锈钢等材料获得的值非常有竞争力。还讨论了这些结果对NEXT实验的影响。
引用
@article{arxiv.1211.3961,
title = {Radiopurity control in the NEXT-100 double beta decay experiment: procedures and initial measurements},
author = {V. Alvarez and I. Bandac and A. Bettini and F. I. G. M. Borges and S. Carcel and J. Castel and S. Cebrian and A. Cervera and C. A. N. Conde and T. Dafni and T. H. V. T. Dias and J. Diaz and M. Egorov and R. Esteve and P. Evtoukhovitch and L. M. P. Fernandes and P. Ferrario and A. L. Ferreira and E. D. C. Freitas and V. M. Gehman and A. Gil and A. Goldschmidt and H. Gomez and J. J. Gomez-Cadenas and D. Gonzalez-Diaz and R. M. Gutierrez and J. Hauptman and J. A. Hernando Morata and D. C. Herrera and F. J. Iguaz and I. G. Irastorza and M. A. Jinete and L. Labarga and A. Laing and I. Liubarsky and J. A. M. Lopes and D. Lorca and M. Losada and G. Luzon and A. Mari and J. Martin-Albo and A. Martinez and T. Miller and A. Moiseenko and F. Monrabal and C. M. B. Monteiro and F. J. Mora and L. M. Moutinho and J. Munoz Vidal and H. Natal da Luz and G. Navarro and M. Nebot and D. Nygren and C. A. B. Oliveira and A. Ortiz de Solorzano and R. Palma and J. Perez and J. L. Perez Aparicio and J. Renner and L. Ripoll and A. Rodriguez and J. Rodriguez and F. P. Santos and J. M. F. dos Santos and L. Segui and L. Serra and D. Shuman and A. Simon and C. Sofka and M. Sorel and J. F. Toledo and A. Tomas and J. Torrent and Z. Tsamalaidze and D. Vazquez and J. F. C. A. Veloso and J. A. Villar and R. C. Webb and J. T. White and N. Yahlali},
journal= {arXiv preprint arXiv:1211.3961},
year = {2015}
}
备注
Final version