Article (Scientific journals)
Lifetime Measurement by Beam-Foil Spectroscopy
Garnir, Henri-Pierre; Bastin, Thierry; Dumont, Paul-Dominique
1996In Physica Scripta, T65, p. 36-42
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Abstract :
[en] The beam-foil source can produce spectra of almost every ion and allows easy measurement of atomic lifetimes of excited levels. Beam-foil spectra have some unique characteristics that made them valuable tool for the term analysis of highly charged ions. As an example, we will describe the work undertaken at Liège on Ne IV and Ne V. Beam-foil is still the only general method for measuring the lifetime of atomic levels in highly charged ions. However, the accuracy of the classical beam-foil method is limited by the non-selective broadband excitation in the foil that populates almost all excitation levels up to very high energy and corrupts by cascading phenomena the normal single-exponential decay curves. We will describe some techniques that have been invented to obviate this infamous “cascading effect”, especially the beam-foil-laser spectroscopy method recently developed in our laboratory. We will present an overview of the beam-foil spectroscopy research performed at the University of Liège together with other recent trends in the field of fast-beam spectroscopy.
Disciplines :
Physics
Author, co-author :
Garnir, Henri-Pierre ;  Université de Liège - ULiège > Département de physique > Physique nucléaire, atomique et spectroscopie
Bastin, Thierry  ;  Université de Liège - ULiège > Département de physique > Physique des atomes froids
Dumont, Paul-Dominique ;  Université de Liège - ULiège > Département de physique > Département de physique
Language :
English
Title :
Lifetime Measurement by Beam-Foil Spectroscopy
Publication date :
1996
Journal title :
Physica Scripta
ISSN :
0031-8949
eISSN :
1402-4896
Publisher :
Royal Swedish Academy of Sciences, Sweden
Volume :
T65
Pages :
36-42
Peer reviewed :
Peer Reviewed verified by ORBi
Available on ORBi :
since 02 December 2009

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