Low level gamma spectrometry by beta-gamma coincidence

A. Luca, P. De Felice, G. Tanase

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A beta-gamma coincidence system consisting of a 2π plastic beta detector and a Ge(Li) detector, is described. Such a system allows for a drastic reduction of background (~70 times) as well as of Minimum Detectable Activity (~7 times). An integral background (50-1500 keV) of less than 0.1 cps is obtained. The difficulty of the method, otherwise simple and inexpensive, is the precise determination of beta detector efficiency. (C) 2000 Elsevier Science Ltd.
Original languageEnglish
Pages (from-to)221 - 224
Number of pages4
JournalApplied Radiation and Isotopes
Issue number1-2
Publication statusPublished - 15 Jul 2000
Externally publishedYes


All Science Journal Classification (ASJC) codes

  • Radiation

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