Prompt gamma activation analysis using a chopped neutron beam
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A beam chopper has been developed at the cold neutron PGAA facility of the Budapest Research Reactor. In the open phase of the chopper the usual prompt gamma-spectrum is recorded, while in the decay phase short-lived decay lines can be collected with good counting statistics on an extremely low baseline. A series of elements has been measured with the chopped beam technique to assess the capabilities of the new technique. An archaeological sample was also examined, to demonstrate how spectral interferences can be resolved.
KeywordsInstrumental Neutron Activation Analysis Decay Phase Prompt Gamma Activation Analysis Decay Spectrum Bronze Artifact
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