SuperCDMS 锗探测器中 $^{206}$Pb 反冲导致缺陷形成引起的能量损失
仪器与探测器
2019-04-17 v3 宇宙学与河外天体物理
应用物理
摘要
位于 Soudan 地下实验室的超低温暗物质搜寻实验（SuperCDMS）利用原位 Pb 源，研究了 mK 温度下锗晶体中与 Frenkel 缺陷形成相关的能量损失。我们检查了 Pb 核反冲在其预期的 103 keV 端点能量附近的能谱，并确定了 % 的能量损失，我们将其归因于缺陷形成。根据这一结果并使用 TRIM 模拟，我们提取了首次由实验确定的锗的平均位移阈值能量 eV。这对未来基于锗的暗物质搜寻的分析阈值具有指导意义。
引用
@article{arxiv.1805.09942,
title = {Energy Loss Due to Defect Formation from $^{206}$Pb Recoils in SuperCDMS Germanium Detectors},
author = {Robert Agnese and Taylor Aralis and Tsuguo Aramaki and Isaac Arnquist and Elham Azadbakht and William Baker and Samir Banik and D'Ann Barker and Dan Bauer and Thomas Binder and Michael Bowles and Paul Brink and Ray Bunker and Blas Cabrera and Robert Calkins and Concetta Cartaro and David Cerdeno and Yen-Yung Chang and Jodi Cooley and Brett Cornell and Priscilla Cushman and Philippe Di Stefano and Todd Doughty and Eleanor Fascione and Tali Figueroa and Caleb Fink and Matt Fritts and Gilles Gerbier and Richard Germond and Muad Ghaith and Sunil Golwala and Rusty Harris and Ziqing Hong and Eric Hoppe and Lauren Hsu and Martin Huber and Vijay Iyer and Dan Jardin and Chitrasen Jena and Michael Kelsey and Allison Kennedy and Andrew Kubik and Noah Kurinsky and Richard Lawrence and Ben Loer and Elias Lopez-Asamar and Pat Lukens and Danika MacDonell and Rupak Mahapatra and Vuk Mandic and Nicholas Mast and Eric Miller and Nader Mirabolfathi and Bedangadas Mohanty and Jorge Morales and Jack Nelson and John Orrell and Scott Oser and William Page and Richard Partridge and Mark Pepin and Francisco Ponce and Sudip Poudel and Matt Pyle and Hang Qiu and Wolfgang Rau and Angela Reisetter and Tom Ren and Tyler Reynolds and Amy Roberts and Alan Robinson and Hannah Rogers and Tarek Saab and Bernard Sadoulet and Joel Sander and Andrew Scarff and Richard Schnee and Silvia Scorza and Kartik Senapati and Bruno Serfass and Danielle Speller and Matthew Stein and Joseph Street and Hirohisa Tanaka and David Toback and Ryan Underwood and Anthony Villano and Belina von Krosigk and Samuel Watkins and Jon Wilson and Matthew Wilson and Joshua Winchell and Dennis Wright and Steve Yellin and Betty Young and Xiaohe Zhang and Xuji Zhao},
journal= {arXiv preprint arXiv:1805.09942},
year = {2019}
}
备注
4 Figures, Two data files, One data release description file