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., . . . Zadvornaya, A. (2017). Towards high-resolution laser ionization spectroscopy of the heaviest elements in supersonic gas jet expansion. Nature Communications, 8, 14520. doi:10.1038/ncomms14520
Published inNature Communications
Ghys, L. |
Gins, W. |
Kron, T. |
Piot, J. |
Sels, S. |
© 2017 the Authors. This is an open access article distributed under the terms of the Creative Commons Attribution License.
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.
PublisherNature Publishing Group
MetadataShow full item record
Except where otherwise noted, this item's license is described as © 2017 the Authors. This is an open access article distributed under the terms of the Creative Commons Attribution License.
Showing items with similar title or keywords.
Characterization of Supersonic Gas Jets for High-Resolution Laser Ionization Spectroscopy of Heavy Elements Zadvornaya, A.; Creemers, P.; Dockx, K.; Ferrer, R.; Gaffney, L. P.; Gins, W.; Granados, C.; Huyse, M.; Kudryavtsev, Yu.; Laatiaoui, M.; Mogilevskiy, E.; Raeder, S.; Sels, S.; Bergh, P. Van den; Van Duppen, P.; Verlinde, M.; Verstraelen, E.; Nabuurs, M.; Reynaerts, D.; Papadakis, Philippos (American Physical Society, 2018)The method of laser spectroscopy in supersonic gas jets was proposed for high-resolution and high-efficiency in-gas laser ionization and spectroscopy studies of short-lived nuclei. The flow properties of such supersonic ...
Voss, Annika; Sonnenschein, Volker; Campbell, P.; Cheal, B.; Kron, T.; Moore, Iain; Pohjalainen, Ilkka; Raeder, S.; Trautmann, N.; Wendt, K. (American Physical Society, 2017)Long-lived isotopes of plutonium were studied using two complementary techniques, high-resolution resonance ionization spectroscopy (HR-RIS) and collinear laser spectroscopy (CLS). Isotope shifts have been measured on the ...
High-resolution, accurate multiple-reflection time-of-flight mass spectrometry for short-lived, exotic nuclei of a few events in their ground and low-lying isomeric states Andrés, Samuel Ayet San; Hornung, Christine; Ebert, Jens; Plaß, Wolfgang R.; Dickel, Timo; Geissel, Hans; Scheidenberger, Christoph; Bergmann, Julian; Greiner, Florian; Haettner, Emma; Jesch, Christian; Lippert, Wayne; Mardor, Israel; Miskun, Ivan; Patyk, Zygmunt; Pietri, Stephane; Pihktelev, Alexander; Purushothaman, Sivaji; Reiter, Moritz P.; Rink, Ann-Kathrin; Weick, Helmut; Yavor, Mikhail I.; Bagchi, Soumya; Charviakova, Volha; Constantin, Paul; Diwisch, Marcel; Finlay, Andrew; Kaur, Satbir; Knöbel, Ronja; Lang, Johannes; Mei, Bo; Moore, Iain; Otto, Jan-Hendrik; Pohjalainen, Ilkka; Prochazka, Andrej; Rappold, Christophe; Takechi, Maya; Tanaka, Yoshiki K.; Winfield, John S.; Xu, Xiaodong (American Physical Society, 2019)Mass measurements of fission and projectile fragments, produced via 238 U and 124 Xe primary beams, have been performed with the multiple-reflection time-of-flight mass spectrometer (MR-TOF-MS) of the Fragment ...
Efficient, high-resolution resonance laser ionization spectroscopy using weak transitions to long-lived excited states Groote, R. P. de; Verlinde, M.; Sonnenschein, Volker; Flanagan, K. T.; Moore, Iain (American Physical Society, 2017)Laser spectroscopic studies on minute samples of exotic radioactive nuclei require very efficient experimental techniques. In addition, high resolving powers are required to allow extraction of nuclear structure ...
Coupling high-resolution satellite imagery with ALS-based canopy height model and digital elevation model in object-based boreal forest habitat type classification Räsänen, Aleksi; Kuitunen, Markku; Tomppo, Erkki; Lensu, Anssi (Elsevier BV, 2014)We developed a classification workflow for boreal forest habitat type mapping. In object-based image analysis framework, Fractal Net Evolution Approach segmentation was combined with random forest classification. High-resolution ...