期刊
APPLIED RADIATION AND ISOTOPES
卷 67, 期 5, 页码 755-758出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.apradiso.2009.01.019
关键词
Double beta decay; Natural radioactivity; Low-level gamma-ray spectroscopy
In present and future experiments in the field of rare events physics a background index of 10(-3) counts/(keV kg a) or better in the region of interest is envisaged. A thorough material screening is mandatory in order to achieve this goal. The results of a systematic study of radioactive trace impurities in selected materials using ultra low-level gamma-ray spectrometry in the framework of the GERDA experiment are reported. (c) 2009 Elsevier Ltd. All rights reserved.
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