Scientific Results

External-beam “Total-IBA” measurements in cultural heritage applications

Year: 2017

Authors: Chiari M., A. Mazzinghi A., Ruberto C., Carraresi L., Fontana R., Striova J., Vadrucci M.

Autors Affiliation: INFN-Florence and Department of Physics and Astronomy, University of Florence, 50019-Sesto Fiorentino, Italy
CNR-INO Istituto Nazionale di Ottica, Firenze, Italy
ENEA Frascati, Development of Particle Accelerators and Medical Applications, Frascati, Italy

Journal/Review:

More Information: To this purpose the existing PIXE set-up installed at the +45° external collimated beam line of the 3 MV Tandetron accelerator of LABEC laboratory was upgraded for Total –IBA measurements. The set-up includes two X-ray detectors for PIXE, a 10 mm2 Silicon Drift Detector (SDD) for light and major elements analysis and a 80 mm2 Si(Li), for heavy and trace elements; one particle detector for EBS/RBS, a Si pin diode 10×10 mm2 active area, placed at 135° scattering angle and mounted in an aluminium case, kept at 10-1 mbar pressure; and one gamma-ray detector for PIGE, a 20% relative efficiency HPGe detector with a mechanical cooler. Quantitative results are obtained by accurate charge-equivalent normalisation measuring the extracted beam weak currents using a rotating chopper [1]. M. Chiari et al., Nucl. Instr. Meth. B 188 (2002) 162-165.
KeyWords: IBA; PIXE; PIGE; EBS/RBS; pigments

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