Majorana 演示器放射性分析计划
仪器与探测器
2016-06-22 v3 高能物理 - 实验
核实验
摘要
MAJORANA 合作组正在南达科他州 Lead 市的 Homestake 金矿 Sanford 地下研究设施建造 MAJORANA DEMONSTRATOR。该装置将使用富集同位素 \nuc{76}{Ge} 的 Ge 探测器，以论证大规模 Ge 探测器实验搜寻无中微子双贝塔衰变的可行性。该假设过程的长半衰期要求装置中可能产生搜索背景的放射性同位素含量极低。本文描述了合作组为确保构成装置的材料具有足够纯度而开展的放射性分析计划。报告了针对多种拟用于探测器的材料所测得的放射性同位素污染结果。
引用
@article{arxiv.1601.03779,
title = {The Majorana Demonstrator Radioassay Program},
author = {N. Abgrall and I. J. Arnquist and F. T. Avignone and H. O. Back and A. S. Barabash and F. E. Bertrand and M. Boswell and A. W. Bradley 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 P. -H. Chu and C. Cuesta and J. A. Detwiler and J. A. Dunmore and Yu. Efremenko and H. Ejiri and S. R. Elliott and P. Finnerty and A. Galindo-Uribarri and V. M. Gehman and T. Gilliss and G. K. Giovanetti and J. Goett and M. P. Green 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 R. A. Johnson and K. J. Keeter and M. F. Kidd and O. Kochetoi and S. I. Konovalov and R. T. Kouzes and B. D. LaFerriere and J. Leon and J. C. Loach and J. MacMullin and S. MacMullin and R. D. Martin and R. Massarczyk and S. Meijer and S. Mertens and M. L. Miller and J. L. Orrell and C. OShaughnessy and N. R. Overman and A. W. P. Poon and K. Pushkin and D. C. Radford and J. Rager and K. Rielage and R. G. H. Robertson and E. Romero-Romero and M. C. Ronquest and A. G. Schubert and B. Shanks and M. Shirchenko and K. J. Snavely and N. Snyder and D. Steele and A. M. Suriano and D. Tedeschi 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 and I. Zhitnikov},
journal= {arXiv preprint arXiv:1601.03779},
year = {2016}
}
备注
to be submitted to NIM