MAJORANA Demonstrator的高压测试
仪器与探测器
2016-05-04 v2 高能物理 - 实验
核实验
摘要
MAJORANA合作组正在建造MAJORANA Demonstrator，一个超低本底、44公斤模块化高纯锗（HPGe）探测器阵列，用于搜索Ge-76中的无中微子双贝塔衰变。在MAJORANA Demonstrator背景下，研究了高压诱导的表面微放电现象。该效应可能损坏前端电子学或模拟探测器信号。为确保正确性能，每条高压电缆和馈通必须能够提供高达5 kV的HPGe探测器工作电压而不出现放电。开展了研发测量以理解测试系统并确定高压路径的最佳设计配置，包括电缆布局的不同改进和馈通法兰型号选择。对将在MAJORANA Demonstrator中使用的每条电缆和馈通进行了表征，并研究了MAJORANA Demonstrator调试阶段的微放电效应。已实现稳定配置，电缆和连接器能够提供HPGe探测器工作电压而不出现放电。
引用
@article{arxiv.1603.08483,
title = {High voltage testing for the MAJORANA Demonstrator},
author = {N. Abgrall and I. J. Arnquist and F. T. Avignone and A. S. Barabash and F. E. Bertrand 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 P. J. Doe and C. Dunagan and Yu. Efremenko and H. Ejiri and S. R. Elliott and Z. Fu and A. Galindo-Uribarri 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 K. J. Keeter and M. F. Kidd and S. I. Konovalov and R. T. Kouzes and B. D. LaFerriere and J. Leon and A. Li and J. MacMullin and R. D. Martin and R. Massarczyk and S. J. Meijer and S. Mertens and J. L. Orrell and C. O'Shaughnessy 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 B. Shanks and M. Shirchenko and N. Snyder and A. M. Suriano and D. Tedeschi and A. Thompson and K. T. Ton 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:1603.08483},
year = {2016}
}
备注
9 pages, 12 figures, 8 tables, submitted to NIM A