Abstract
Abstract A geometrically compact detection system with a low cosmic-radiation background rate, 0.55 cts./min in the energy range 3.8–4.8 MeV, and good detection efficiency (14%) for the 4.4 MeV reaction γ-rays, is described. It consists of a 3 in. × 3 in. BGO detector, a plastic-detector anticoincidence shield and a Pb shield. The detection sensitivity of this system is ≲ 20 at.ppm. The performance of BGO detectors in comparision to NaI detectors for measuring 4.4 MeV γ-rays is discussed.
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Schedule a callMore From: Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms
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