Výsledky vyhledávání - "Alexander Yakushev"

Akademický článek

U^{28+}-intensity record applying a H_{2}-gas stripper cell

Autor: Winfried Barth, Aleksey Adonin, Christoph E. Düllmann, Manuel Heilmann, Ralph Hollinger, Egon Jäger, Jadambaa Khuyagbaatar, Joerg Krier, Paul Scharrer, Hartmut Vormann, Alexander Yakushev

Publikováno v: Physical Review Special Topics. Accelerators and Beams, Vol 18, Iss 4, p 040101 (2015)

To meet the Facility for Antiproton and Ion Research science requirements higher beam intensity has to be achieved in the present GSI-accelerator complex. For this an advanced upgrade program for the UNILAC is ongoing. Stripping is a key technology f

Externí odkaz: https://doaj.org/article/0415877051654e98a76d6403a5171aaf

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Rapid extraction of short-lived isotopes from a buffer gas cell for use in gas-phase chemistry experiments, Part II: On-line studies with short-lived accelerator-produced radionuclides

Publikováno v: Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms. 507:27-35

A novel combination of advanced gas-chromatography and detection systems coupled to a buffer-gas cell was characterized on-line to allow gas-phase chemical studies of accelerator-produced short-lived α -decaying mercury, francium, and astatine isoto

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::75d54802661af8c010e2ad8f512f69e4
https://doi.org/10.1016/j.nimb.2021.09.004

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Reactivity of the Superheavy Element 115, Mc, and Its Lighter Homologue, Bi, with Respect to Gold and Hydroxylated Quartz Surfaces from Periodic Relativistic DFT Calculations: A Comparison with Element 113, Nh

Autor: Alexander Yakushev, Miroslav Iliaš, Valeria Pershina

Publikováno v: Inorganic Chemistry. 60:9796-9804

Adsorption energies (Eads) of the superheavy element (SHE) Mc, its lighter homologue (Bi), as well as of another superheavy element Nh and some lighter homologues of SHEs on gold and hydroxylated quartz surfaces are predicted via periodic relativisti

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::4a7951f883be35c86989a688ca9f7368
https://doi.org/10.1021/acs.inorgchem.1c01076

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Gas phase synthesis of 4d transition metal carbonyl complexes with thermalized fission fragments in single-atom reactions

Autor: Alexander Yakushev, Tetsuya Sato, Jörg Runke, J. V. Kratz, J. Ballof, S. Götz, M. Götz, Klaus Eberhardt, Norbert Trautmann, D. Renisch, C. Mokry, Christoph E. Düllmann, Petra Thörle-Pospiech

Publikováno v: Radiochimica Acta. 109:153-165

The formation of carbonyl complexes using atom-at-a-time quantities of short-lived transition metals from fusion and fission reactions was reported in 2012. Numerous studies focussing on this chemical system, which is also applicable for the superhea

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::455226e21551a12bb21af3e8e673b6a0
https://doi.org/10.1515/ract-2020-0052

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Corrigendum to: Application of a novel gas phase synthesis approach to carbonyl complexes of accelerator-produced 5d transition metals (Radiochim. Acta 2022; 110 (2): 75–86)

Autor: Michael Götz, Alexander Yakushev, Stefan Götz, Antonio Di Nitto, Christoph E. Düllmann, Masato Asai, Nadine M. Chiera, Birgit Kindler, Jörg Krier, Bettina Lommel, Yuichiro Nagame, Tetsuya K. Sato, Hayato Suzuki, Tomohiro Tomitsuka, Katsuyuki Tokoi, Atsushi Toyoshima, Kazuaki Tsukada

Publikováno v: Radiochimica Acta. 111:241-241

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::b84914c9ddc788ce1bf64b87f7590ae6
https://doi.org/10.1515/ract-2022-0121

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Spontaneous fission instability of the neutron-deficient No and Rf isotopes: The new isotope No249

Autor: Ch. E. Düllmann, F. P. Heßberger, Egon Jäger, Bettina Lommel, Alexander Yakushev, Birgit Kindler, J. Krier, B. Schausten, H. Brand, R. A. Cantemir, N. Kurz, J. Khuyagbaatar

Publikováno v: Physical Review C. 104

In the heaviest elements, the instability of atomic nuclei against spontaneous fission leads to ever shorter nuclear half-lives. Upon falling below a timescale of ${10}^{\ensuremath{-}14}$ s, the border of existence of isotopes is crossed because thi

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::0520318279668e5a04a2578af5f9aa43
https://doi.org/10.1103/physrevc.104.l031303

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Probing precipitation properties

Autor: Alexander Yakushev

Publikováno v: Nature Chemistry. 13:213-215

Superheavy elements are short-lived and only available on a single-atom level, making their chemical properties very challenging to study. Now, through their co-precipitation with samarium, single atoms of rutherfordium have been shown to form hydrox

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::5d8b1edba6b0be4be6d2736ee6ac5031
https://doi.org/10.1038/s41557-020-00625-7

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Isomeric states in Rf256

Autor: J. Krier, Birgit Kindler, S. Götz, Alexander Yakushev, Egon Jäger, J. Khuyagbaatar, B. Schausten, Bettina Lommel, H. Brand, Ch. E. Düllmann, F. P. Heßberger, R. A. Cantemir, N. Kurz, M. Götz

Publikováno v: Physical Review C. 103

The question of the number and origin of isomeric states in $^{256}\mathrm{Rf}$ arose from two independent experiments but remained unanswered for a decade. To shed light on this puzzle, we studied isomeric decay in $^{256}\mathrm{Rf}$ by measuring c

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::972d142064bebaa314775cca43647995
https://doi.org/10.1103/physrevc.103.064303

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Concept of a new Universal High-Density Gas Stopping Cell Setup for study of gas-phase chemistry and nuclear properties of Super Heavy Elements (UniCell)

Autor: Victor Varentsov, Alexander Yakushev

Publikováno v: Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment. 940:206-214

Here we propose a concept of a new universal high-density gas stopping cell setup (UniCell), whose advantages are based on use of the ultra-compact RF ion-funnel technique. It will allow for the fast ( ∼ 2 ms) and highly efficient (up to 100%) extr

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::003e3452fb7058855b89e13fb0300930
https://doi.org/10.1016/j.nima.2019.06.032

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The 48Ca+181Ta reaction: Cross section studies and investigation of neutron-deficient 86 ≤ Z ≤ 93 isotopes

Publikováno v: Nuclear Physics A
Nuclear Physics A, Elsevier, 2019, 987, pp.337-349. ⟨10.1016/j.nuclphysa.2019.05.003⟩
Nucl.Phys.A
Nucl.Phys.A, 2019, 987, pp.337-349. ⟨10.1016/j.nuclphysa.2019.05.003⟩

© 2019 Fusion-evaporation reactions with the doubly magic projectile 48 Ca were used to access neutron-deficient nuclei around neptunium at the velocity filter SHIP, and investigated using the COMPASS decay spectroscopy station. With the use of digi

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::bb33aa5e37cfa5c0676f5f86a8028b15
https://doi.org/10.1016/j.nuclphysa.2019.05.003

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