EDELWEISS实验的低质量暗物质搜寻
仪器与探测器
2022-03-11 v2
摘要
EDELWEISS合作组使用配备电荷与声子信号读出的锗探测器搜寻轻暗物质（DM）粒子。利用Neganov-Trofimov-Luke效应，在Modane地下实验室地下运行的重型（33.4 g）Ge探测器上获得了0.53个电子-空穴对的均方根分辨率。这一创纪录的灵敏度使得对低至1 eV/c²的暗光子DM以及低于1 MeV/c²的DM-电子相互作用的搜寻成为可能。这首次证明了低温Ge探测器在低阈值搜寻中的高度相关性，也是EDELWEISS-SubGeV计划背景下开发性能更优Ge探测器的重要一步。
引用
@article{arxiv.2112.05467,
title = {Low-mass Dark Matter searches with EDELWEISS},
author = {J. Gascon and E. Armengaud and Q. Arnaud and C. Augier and A. Benoit and L. Bergé and J. Billard and A. Broniatowski and P. Camus and A. Cazes and M. Chapellier and F. Charlieux and M. De Jésus and L. Dumoulin and K. Eitel and J. -B. Filippini and D. Filosofov and A. Giuliani and M. Gros and Y. Jin and A. Juillard and M. Kleifges and H. Lattaud and S. Marnieros and D. Misiak and X. -F. Navick and C. Nones and E. Olivieri and C. Oriol and P. Pari and B. Paul and D. Poda and S. Rozov and T. Salagnac and V. Sanglard and L. Vagneron and E. Yakushev and A. Zolotarova},
journal= {arXiv preprint arXiv:2112.05467},
year = {2022}
}
备注
Submitted to Journal of Low Temperature Physics, Special Issue for the 19th International Workshop on Low Temperature Detectors 19-29 July 2021 (Virtual event hold by NIST)