NDLI: Dating ancient mosaic glasses by luminescence: The case study of San Pietro in Vaticano

Content Provider	Springer Nature Link
Author	Galli, A. Martini, M. Sibilia, E. Vandini, M. Villa, I.
Copyright Year	2011
Abstract	The preliminary results of a study on the dosimetric properties of a set of glass tesserae from the mosaics of the vaults of St. Peter’s Basilica in Rome (late XVI century) are reported. The main goal of the research was to assess the possibility of dating them by means of luminescence techniques. The samples had already been extensively studied and investigated from a historical, artistic and compositional point of view. The period of the making of the mosaic was rather well known, and could be the basis to test the experimental procedures we used for dosimetry. The experiments also aimed at demonstrating the validity of the hypothesis we put forward, i.e. the positive link between the presence of micro-crystals and the luminescence sensitivity in mosaic glass: to this aim, the samples richer in crystalline inclusions were selected. The role of calcium antimonate and cassiterite was definitely demonstrated. For what concerns their thermoluminescence (TL) characteristics, a preliminary investigation suggested that the available configuration of the detection systems did not properly fit the wavelength of the emitted TL. Much more promising results have been achieved by the use of Optically Stimulated Luminescence (OSL), even if the measured absorbed doses were rather scattered. For one sample with high OSL sensitivity, it was possible to establish its recent age, relative to one of the documented restorations that took place during the last century.
Starting Page	1
Ending Page	12
Page Count	12
File Format	PDF
Journal	The European Physical Journal Plus
Volume Number	126
Issue Number	12
e-ISSN	21905444
Language	English
Publisher	Springer-Verlag
Publisher Date	2011-12-12
Publisher Place	Berlin, Heidelberg
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Atomic, Molecular, Optical and Plasma Physics Applied and Technical Physics Condensed Matter Physics Statistical Physics, Dynamical Systems and Complexity Theoretical, Mathematical and Computational Physics
Content Type	Text
Resource Type	Article

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