具有eV级阈值与100 keV级动态范围的声子介导低温粒子探测器的设计与表征
仪器与探测器
2021-09-01 v2 天体物理仪器与方法
高能物理 - 实验
摘要
我们展示了一款低温声子敏感1克硅探测器的设计与表征，其利用Neganov-Trofimov-Luke效应探测单电荷激发。该器件在无晶体偏压时实现2.65(2) eV声子能量分辨率，在100 V偏压下对应0.03电子-空穴对的电荷分辨率。借助连续读出数据采集系统与离线最优滤波器触发，我们获得了9.2 eV阈值，触发率约为20 Hz。探测器能量标尺利用基于脉冲面积的能量估计器标定至120 keV。该器件的高性能使其可应用于需要优异能量分辨率、低阈值与大动态范围的领域，包括暗物质搜寻、相干中微子-核散射的精密测量以及电离产额测量。
引用
@article{arxiv.2012.12430,
title = {Design and Characterization of a Phonon-Mediated Cryogenic Particle Detector with an eV-Scale Threshold and 100 keV-Scale Dynamic Range},
author = {R. Ren and C. Bathurst and Y. Y. Chang and R. Chen and C. W. Fink and Z. Hong and N. A. Kurinsky and N. Mast and N. Mishra and V. Novati and G. Spahn and H. Meyer zu Theenhausen and S. L. Watkins and Z. Williams and M. J. Wilson and A. Zaytsev and D. Bauer and R. Bunker and E. Figueroa-Feliciano and M. Hollister and L. Hsu and P. Lukens and R. Mahapatra and N. Mirabolfathi and B. Nebolsky and M. Platt and F. Ponce and M. Pyle and T. Reynolds and T. Saab},
journal= {arXiv preprint arXiv:2012.12430},
year = {2021}
}
备注
17 pages, 12 figures, submitted to PRD