MAJORANA 演示装置现状
仪器与探测器
2015-01-09 v2 核实验
摘要
MAJORANA 合作组正在建造 MAJORANA 演示装置，这是一个超低本底、40 千克模块化高纯锗探测器阵列，用于在锗中搜寻无中微子双贝塔衰变。鉴于下一代吨级锗基无中微子双贝塔衰变搜寻将探测反质量序区域的中微子质量标度，该演示装置的一个主要目标是展示一条前进路径，以在 2039 keV 的 Q 值周围 4 keV 感兴趣区域内实现等于或低于 1 计数/吨/年的本底率。本文讨论了该演示装置的当前状态及其完成计划。
引用
@article{arxiv.1412.5682,
title = {Status of the MAJORANA Demonstrator},
author = {C. Cuesta and N. Abgrall and I. J. Arnquist and F. T. Avignone and A. S. Barabash and F. E. Bertrand and V. Brudanin and M. Busch and M. Buuck and D. Byram and A. S. Caldwell and Y-D. Chan and C. D. Christofferson and J. A. Detwiler and Yu. Efremenko and H. Ejiri and S. R. Elliott and A. Galindo-Uribarri and G. K. Giovanetti and J. Goett and M. P. Greenn and J. Gruszko and I. S. Guinn and V. E. Guiseppe and R. Henning and E. W. Hoppe and S. Howard and M. A. Howe and B. R. Jasinski and K. J. Keeter and M. F. Kidd and S. I. Konovalov and R. T. Kouzes and B. D. LaFerriere and J. Leon and J. MacMullin and R. D. Martin and S. J. Meijer and S. Mertens and J. L. Orrell and C. O'Shaughnessy and N. R. Overman and A. W. P. Poon and D. C. Radford and J. Rager and K. Rielage and R. G. H. Robertson and E. Romero-Romero and C. Schmitt and B. Shanks and M. Shirchenko and N. Snyder and A. M. Suriano and D. Tedeschi and V. Timkin and J. E. Trimble and R. L. Varner and S. Vasilyev and K. Vetter and K. Vorren and B. R. White and J. F. Wilkerson and C. Wiseman and W. Xu and E. Yakushev and C. -H. Yu and V. Yumatov},
journal= {arXiv preprint arXiv:1412.5682},
year = {2015}
}
备注
7 pages, 4 figures, contribution to the NOW 2014 Proceedings, to be published by Nucl. Phys. B (Proc. Suppl.)