Article (Scientific journals)
X-ray production cross-sections measurements for high-energy alpha particle beams: New dedicated set-up and first results with aluminum
Dupuis, Thomas; Chene, Grégoire; Mathis, François et al.
2011In Nuclear Instruments and Methods in Physics Research. Section B, Beam Interactions with Materials and Atoms, 269 (24), p. 2979–2983
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Keywords :
Alpha particle; High-energy; PIXE; Cross sections
Abstract :
[en] The “IPNAS” laboratory, in collaboration with the “Centre Européen d’Archéométrie” is partly focused on material analysis by means of IBA techniques: PIXE, PIGE and RBS. A new transport beam line has been developed at our CGR-520 MeV cyclotron to analyze Cultural Heritage objects using these techniques. This facility allows us to produce proton and alpha particle beams with energies up to 20 MeV. A vacuum chamber dedicated to X-ray production and Non-Rutherford cross-section measurements has been recently constructed. After determination of the chamber’s geometry for X-ray detection using thin foils of several elements (11 ⩽ Z ⩽ 82) and 3 MeV proton beams, the measurement of the X-ray production cross-sections in the 6–12 MeV energy range has started using alpha particle beams on light element targets. These experiments contribute to the filling a serious lack of experimental values for alpha particles of this particular energy range in databases. The recent decision to focus our work on the alpha particle interaction with light elements was taken because of the high interest of the low Z elements in the field of archaeometry.
Disciplines :
Physics
Author, co-author :
Dupuis, Thomas ;  Université de Liège - ULiège > Centre européen en archéométrie
Chene, Grégoire ;  Université de Liège - ULiège > Département de physique > Physique nucléaire, atomique et spectroscopie
Mathis, François ;  Université de Liège - ULiège > Département de physique > Physique nucléaire, atomique et spectroscopie
Marchal, André ;  Université de Liège - ULiège > Département de physique > Physique nucléaire, atomique et spectroscopie
Garnir, Henri-Pierre ;  Université de Liège - ULiège > Département de Physique > Physique Nucléaire, Atomique et de Spectroscopie
Strivay, David  ;  Université de Liège - ULiège > Département de physique > Physique nucléaire, atomique et spectroscopie
Language :
English
Title :
X-ray production cross-sections measurements for high-energy alpha particle beams: New dedicated set-up and first results with aluminum
Publication date :
December 2011
Journal title :
Nuclear Instruments and Methods in Physics Research. Section B, Beam Interactions with Materials and Atoms
ISSN :
0168-583X
eISSN :
1872-9584
Publisher :
Elsevier Science, Amsterdam, Netherlands
Volume :
269
Issue :
24
Pages :
2979–2983
Peer reviewed :
Peer Reviewed verified by ORBi
Available on ORBi :
since 18 January 2012

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