具有真正 $4\pi$ 反符合的 CRESST-II 探测器模块的性能
天体物理仪器与方法
2017-08-07 v1 仪器与探测器
摘要
闪烁低温辐射热测量计广泛用于稀有事件搜寻领域。其主要优势在于出色的能量分辨率和逐个事件基础上的粒子鉴别能力。应用这种探测器技术的实验灵敏度可能受到光通道性能以及感兴趣区域内外部本底存在的限制。在 CRESST-II 实验框架内,我们开发并成功测试了一种新颖的探测器设计,以应对这两项挑战。通过使用一个大尺寸(\unit[60]{cm})、烧杯形状的硅光吸收体,与传统 CRESST-II 探测器模块相比,光通道中记录到的信号幅度提高了 2.5 倍。结合大尺寸载体晶体,建立了一个真正的 反符合系统,从而能够标记外部本底源。
引用
@article{arxiv.1708.01581,
title = {Performance of a CRESST-II Detector Module with True $4\pi$-veto},
author = {G. Angloher and P. Bauer and A. Bento and C. Bucci and L. Canonica and X. Defay and A. Erb and F. v. Feilitzsch and N. Ferreiro Iachellini and P. Gorla and A. Gütlein and D. Hauff and J. Jochum and M. Kiefer and H. Kluck and H. Kraus and J. C. Lanfranchi and A. Langenkämper and J. Loebell and M. Mancuso and A. Münster and C. Pagliarone and F. Petricca and W. Potzel and F. Pröbst and F. Reindl and J. Rothe and K. Schäffner and J. Schieck and V. Schipperges S. Schönert and W. Seidel and M. Stahlberg and L. Stodolsky and C. Strandhagen and R. Strauss and A. Tanzke and H. H. Trinh Thi and C. Türkoğlu and M. Uffinger and A. Ulrich and I. Usherov and S. Wawoczny and M. Willers and M. Wüstrich and A. Zöller},
journal= {arXiv preprint arXiv:1708.01581},
year = {2017}
}
备注
7 pages, 5 fugures, submitted to EPJ-C