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Towards high-resolution laser ionization spectroscopy of the heaviest elements in supersonic gas jet expansion

Ferrer, R ; Barzakh, A ; Bastin, B ; Beerwerth, R ; Block, M ; Creemers, P ; Grawe, H ; de Groote, R ; Delahaye, P ; Fléchard, X ; Franchoo, S ; Fritzsche, S ; Gaffney, L P ; Ghys, L ; Gins, W ; Granados, C ; Heinke, R ; Hijazi, L ; Huyse, M ; Kron, T ; Kudryavtsev, Yu ; Laatiaoui, M ; Lecesne, N ; Loiselet, M ; Lutton, F ; Moore, I D ; Martínez, Y ; Mogilevskiy, E ; Naubereit, P ; Piot, J ; Raeder, S ; Rothe, S ; Savajols, H ; Sels, S ; Sonnenschein, V ; Thomas, J-C ; Traykov, E ; Van Beveren, C ; Van den Bergh, P ; Van Duppen, P ; Wendt, K ; Zadvornaya, A

Nature communications, 2017-02, Vol.8 (1), p.14520-14520, Article 14520 [Periódico revisado por pares]

England: Nature Publishing Group

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Towards high-resolution laser ionization spectroscopy of the heaviest elements in supersonic gas jet expansion
Autor: Ferrer, R ; Barzakh, A ; Bastin, B ; Beerwerth, R ; Block, M ; Creemers, P ; Grawe, H ; de Groote, R ; Delahaye, P ; Fléchard, X ; Franchoo, S ; Fritzsche, S ; Gaffney, L P ; Ghys, L ; Gins, W ; Granados, C ; Heinke, R ; Hijazi, L ; Huyse, M ; Kron, T ; Kudryavtsev, Yu ; Laatiaoui, M ; Lecesne, N ; Loiselet, M ; Lutton, F ; Moore, I D ; Martínez, Y ; Mogilevskiy, E ; Naubereit, P ; Piot, J ; Raeder, S ; Rothe, S ; Savajols, H ; Sels, S ; Sonnenschein, V ; Thomas, J-C ; Traykov, E ; Van Beveren, C ; Van den Bergh, P ; Van Duppen, P ; Wendt, K ; Zadvornaya, A
Assuntos: Ion beams ; Isotopes ; Lasers ; Nuclear physics ; Spectrum analysis
É parte de: Nature communications, 2017-02, Vol.8 (1), p.14520-14520, Article 14520
Notas: ObjectType-Article-1
SourceType-Scholarly Journals-1
ObjectType-Feature-2
content type line 23
Descrição: Resonant laser ionization and spectroscopy are widely used techniques at radioactive ion beam facilities to produce pure beams of exotic nuclei and measure the shape, size, spin and electromagnetic multipole moments of these nuclei. However, in such measurements it is difficult to combine a high efficiency with a high spectral resolution. Here we demonstrate the on-line application of atomic laser ionization spectroscopy in a supersonic gas jet, a technique suited for high-precision studies of the ground- and isomeric-state properties of nuclei located at the extremes of stability. The technique is characterized in a measurement on actinium isotopes around the N=126 neutron shell closure. A significant improvement in the spectral resolution by more than one order of magnitude is achieved in these experiments without loss in efficiency.
Editor: England: Nature Publishing Group
Idioma: Inglês

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Towards high-resolution laser ionization spectroscopy of the heaviest elements in supersonic gas jet expansion

England: Nature Publishing Group

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