Prompt gamma activation studies on archaeological objects at a pulsed neutron source

Kasztovszky, Zs. and Kockelmann, W. A. and Perelli Cippo, E. and Gorini, G. and Tardocchi, M. (2008) Prompt gamma activation studies on archaeological objects at a pulsed neutron source. Il nuovo cimento C, 31 (2). pp. 143-155. ISSN 1826-9885

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The potential of Prompt Gamma Activation Analysis (PGAA) for non-destructive quantitative investigation of archaeological objects at a pulsed neutron spallation source was studied. Experiments were performed on the ROTAX time-of-flight diffractometer of the ISIS neutron source on a chalcolithic copper axe, a limestone sample from the ancient Quarry of Masarah (Egypt), a Roman bronze fibula and two fragments of glass from the Roman Villa Adriana. For reference and comparison, measurements were also performed at the PGAA station of the Budapest research reactor. It is found that the performance of a PGAA analysis at a pulsed source, with a make-shift set-up on an instrument designed for diffraction studies, cannot match the achievable results at a dedicated PGAA facility at a reactor source. However, the possibility of performing different investigations, e.g., neutron diffraction for structure analysis and PGAA for elemental analysis, at a single facility on one and the same object remains attractive and offers useful applications in the field of cultural heritage.

Item Type: Article
Uncontrolled Keywords: Neutron capture γ-rays ; Neutron diffraction
Subjects: 500 Scienze naturali e Matematica > 530 Fisica
Depositing User: Marina Spanti
Date Deposited: 23 Mar 2020 15:28
Last Modified: 23 Mar 2020 15:28

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