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Production and properties of the heaviest elements

Autor: Hartmut Backe, Andreas Türler, F. P. Heßberger, M. Sewtz

Publikováno v: The European Physical Journal D. 45:3-15

This article reviews the following topics which were discussed at the 375th Wilhelm and Else Heraeus-Seminar Workshop on the Atomic Properties of the Heaviest Elements held from September 25–27, 2006 at the Abtei Frauenworth im Chiemsee, Germany: (

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::ad0b4ad5a654681917f156f5107ab4bf
https://doi.org/10.1140/epjd/e2007-00253-y

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Towards optical spectroscopy of the element nobelium ( ${\sf Z }= \mathsf{102}$ ) in a buffer gas cell

Autor: M. Laatiaoui, F. P. Heßberger, Dieter Ackermann, R. Mann, M. Sewtz, Werner Lauth, S. Hofmann, F. Herfurth, Peter Kunz, Michael Block, T. Kolb, A. Dretzke, R. Horn, Hartmut Backe

Publikováno v: The European Physical Journal D. 45:99-106

For the investigation of the atomic level structure of heavy elements which can only be produced at on-line facilities such as GSI, a novel experimental procedure has been developed. It is based on Radiation Detected Resonance Ionization Spectroscopy

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::b8314229685611d08f2057ac37f529ed
https://doi.org/10.1140/epjd/e2007-00198-1

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Prospects of ion-mobility measurements in superheavy element research

Autor: M. Laatiaoui, K Schmid, Dietrich Habs, M. Sewtz

Publikováno v: The European Physical Journal D. 45:139-145

The element specific electron configuration of ions directly reflects the two quantum mechanical observables 〈r2〉 and rmax, which denote the r2 expectation value of the electron density and the principle maximum of the wave function of the outerm

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::5dcc612f002ad89a701509860d114465
https://doi.org/10.1140/epjd/e2007-00179-4

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Ion Mobility Measurements and Ion Chemical Reaction Studies at Heavy Elements in a Buffer Gas Cell

Autor: Hartmut Backe, R. Horn, Werner Lauth, T. Kolb, Roland Repnow, A. Dretzke, Norbert Trautmann, M. Sewtz

Publikováno v: Hyperfine Interactions. 162:77-84

Drift time measurements of ions in a buffer gas cell filled with argon have been performed from which changes of the ion mobility and ionic radii for various heavy elements and their compounds were determined. The ionic radius of americium shrinks by

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::c5bebc4af76a784096253179a3cade9d
https://doi.org/10.1007/s10751-005-9210-4

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Laser Spectroscopic Investigation of the Element Fermium (Z = 100)

Autor: Hartmut Backe, A. Dretzke, Peter Kunz, M. Sewtz, Richard G. Haire, Norbert Trautmann, Werner Lauth, Fritzsche

Publikováno v: Hyperfine Interactions. 162:3-14

The level scheme and hyperfine structure of the element fermium (Z = 100) has been investigated with the method of resonance ionization spectroscopy in a buffer gas cell. The experiments were carried out on a 46 pg sample of the isotope 255Fm with a

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::50e7835f9cf202947c2b199b83b772f4
https://doi.org/10.1007/s10751-005-9209-x

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Resonance ionization spectroscopy of fermium (Z=100)

Autor: C. Grüning, Klaus Eberhardt, Peter Kunz, C. Z. Dong, P. Schwamb, Gerd Passler, Richard G. Haire, P. Thörle, Hartmut Backe, M. Sewtz, G. Kube, J. Lassen, A. Dretzke, Werner Lauth, Norbert Trautmann, Stephan Fritzsche

Publikováno v: Spectrochimica Acta Part B: Atomic Spectroscopy. 58:1077-1082

Laser spectroscopy has been applied for the first time to measure resonant transition frequencies of fermium (Zs 100). A number of 2.7=10 atoms was electrodeposited on a Ta filament and covered with a 1 mm Ti layer. Fm 10

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::cca41423d12fd592038a4ec821bda43a
https://doi.org/10.1016/s0584-8547(03)00065-x

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SHIPTRAP—a capture and storage facility for heavy radionuclides at GSI

Publikováno v: Nuclear Physics A. 701:579-582

SHIPTRAP will be an ion-trap facility for heavy radionuclides delivered from SHIP. Ion traps are a perfect instrument for precision measurements since the ions can be cooled to an extremely small phase space and can be stored for a very long time. In

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::1e403c04dd22fd668cee6099a621b4ac
https://doi.org/10.1016/s0375-9474(01)01648-7

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On laser spectroscopy of the element nobelium (Z = 102)

Autor: Michael Block, F. Lautenschläger, Werner Lauth, Mustapha Laatiaoui, M. Sewtz, Peter Kunz, Thomas Walther, Hartmut Backe, Fritz-Peter Heßberger

Publikováno v: The European Physical Journal D. 68

Optical transitions were sought for in 254No, which was produced at the UNILAC accelerator at GSI in the reaction 208Pb (48Ca, 2n)254No. After separation from the projectile beam by the velocity filter SHIP, the nobelium ions were stopped inside a bu

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::f81ef35fcc4fa90d9ed19ec73808400a
https://doi.org/10.1140/epjd/e2014-40617-6

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