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Updated: Aug 18, 2026

Quantification of Hydrogen Concentrations in Surface and Interface Layers and Bulk Materials through Depth Profiling with Nuclear Reaction Analysis
Published on: March 29, 2016
Development of the NPL gamma-ray spectrometer NANA for traceable nuclear decay and structure studies
G Lorusso1, R Shearman1, P H Regan1
1National Physical Laboratory, Teddington, Middlesex TW11 0LW, UK; Department of Physics, University of Surrey, Guildford GU2 7XH, UK.
Abstract:
We present a brief report on the progress towards the construction of the National Nuclear Array (NANA), a gamma-ray coincidence spectrometer for discrete-line nuclear structure and decay measurements. The proposed spectrometer will combine a gamma-ray energy resolution of approximately 3% at 1MeV with sub-nanosecond timing discrimination between successive gamma rays in mutually coincident decay cascades. We also review a number of recent measurements using coincidence fast-timing gamma-ray spectroscopy for nuclear structure studies, which have helped to inform the design criteria for the NANA spectrometer.
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