Alpha Emitter Intrinsic Concentration in Copper required for Nuclear Spectrometry Application
Journal: Journal of Nuclear Physics, Material Sciences, Radiation and Applications (Vol.5, No. 1)Publication Date: 2017-08-07
Authors : A Camacho; G Jaworski; G Keppel; L Sajo-Bohus;
Page : 213-222
Keywords : alpha emitter; copper; nuclear spectrometer; self radiation;
Abstract
Low-level radioactivity content in copper are employed for bolometric thermal radiation sensors and astro-nuclear spectrometers. The required lowest achievable alpha emitters concentration, for treated and untreated surfaces, are measured by Double Sided Silicon Strip Detectors in a high vacuum chamber and provide information on its intrinsic NORM content. Results shows that copper alpha emitters content can be achieved in the range below 0.01 (counts. keV- ¹·kg- ¹·y- ¹) adequate for specific nuclear spectrometry applications.
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