Germanium-76 Sample Analysis

Kouzes, Richard T. ; Engelhard, Mark H. ; Zhu, Zihua

关键词: DECAY;    GE SEMICONDUCTOR DETECTORS;    GERMANIUM 76;    QUALITY ASSURANCE Ge76;    isotopic analysis;    XPS;    SIMS;    Environmental Molecular Sciences Laboratory;   

DOI  :  10.2172/1013937
RP-ID  :  PNNL-20368
PID  :  OSTI ID: 1013937
Others  :  Other: 39191
Others  :  830403000
Others  :  TRN: US201113%%136

学科分类：社会科学、人文和艺术（综合）

美国|英语

来源: SciTech Connect

【 摘 要 】

The MAJORANA DEMONSTRATOR is a large array of ultra-low background high-purity germanium detectors, enriched in 76Ge, designed to search for zero-neutrino double-beta decay (0??????). The DEMONSTRATOR will utilize 76Ge from Russia, and the first one gram sample was received from the supplier for analysis on April 24, 2011. The Environmental Molecular Sciences facility, a DOE user facility at PNNL, was used to make the required isotopic and chemical purity measurements that are essential to the quality assurance for the MAJORANA DEMONSTRATOR. The results of this first analysis are reported here.