ORBi: Chene Grégoire - New external beam and particle detection set-up of Liège cyclotron – First applications of high energy beams to cultural heritage

Reference : New external beam and particle detection set-up of Liège cyclotron – First applications ...


	Document type :	Scientific journals : Article
	Discipline(s) :	Physical, chemical, mathematical & earth Sciences : Multidisciplinary, general & others
	To cite this reference:	http://hdl.handle.net/2268/108553

Title :	New external beam and particle detection set-up of Liège cyclotron – First applications of high energy beams to cultural heritage
Language :	English
Author, co-author :	Chene, Grégoire [Université de Liège - ULg > Département de physique > Physique nucléaire, atomique et spectroscopie >]
	Bols, Stéphanie [Université de Liège - ULg > > Centre Européen d'Archéométrie > >]
	Dupuis, Thomas [Université de Liège - ULg > > Centre européen en archéométrie >]
	Marchal, André [Université de Liège - ULg > Département de physique > Physique nucléaire, atomique et spectroscopie >]
	Mathis, François [Université de Liège - ULg > Département de physique > Physique nucléaire, atomique et spectroscopie >]
	Garnir, Henri-Pierre [Université de Liège - ULg > Département de Physique > Physique Nucléaire, Atomique et de Spectroscopie > >]
	Strivay, David [Université de Liège - ULg > Département de physique > Physique nucléaire, atomique et spectroscopie >]
Publication date :	Feb-2012
Journal title :	Nuclear Instruments & Methods in Physics Research. Section B, Beam Interactions with Materials and Atoms
Publisher :	Elsevier Science
Volume :	273
Special issue title :	20th International Conference on Ion Beam Analysis
Pages :	208-212
Audience :	International
ISSN :	0168-583X
City :	Amsterdam
Country :	The Netherlands
Keywords :	[en] Cyclotron ; 8.7 MeV alpha beam ; External beam ; RBS ; Cultural heritage ; Gilding and patination layers
Abstract :	[en] Improvements on the Liége cyclotron have yielded an energy resolution comparable to that of classic electrostatic accelerators. The latest upgrades of the High-Energy High-Resolution beam line (HE-HR) are presented which consist of the addition of both a new extraction nozzle for non-invasive in-air measurements and a new particle-detection setup developed to take full advantage of the increased probed thickness with depth sensitive analytical methods. The suitability of the new setup and the advantages provided by the larger flexibility in choosing both the proper particle with an extended energy available will be illustrated by discussing latest results of studies recently led on Roman gilding techniques on cultural heritage artifacts by means of “High-Energy” alpha backscattering spectrometry combined with PIXE.
Target :	Researchers ; Professionals ; Students
Permalink :	http://hdl.handle.net/2268/108553
DOI :	10.1016/j.nimb.2011.07.077

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