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  1. Article ; Online: The first quadrupole excitations in spherical nuclei and nuclear pairing

    Saperstein E. E. / Krewald S. / Kamerdzhiev S. / Tolokonnikov S.V. / Voitenkov D.

    EPJ Web of Conferences, Vol 38, p

    2012  Volume 04002

    Abstract: Excitation energies and transition probabilities of the first 2+ excitations in even lead, tin and nickel isotopes are calculated within the self-consistent Theory of Finite Fermi Systems based on the Energy Density Functional by Fayans et al. A ... ...

    Abstract Excitation energies and transition probabilities of the first 2+ excitations in even lead, tin and nickel isotopes are calculated within the self-consistent Theory of Finite Fermi Systems based on the Energy Density Functional by Fayans et al. A reasonable agreement with available experimental data is obtained. The effect of the density dependence of the effective pairing interaction is analyzed in detail by comparing results obtained with volume and surface pairing. The effect is found to be noticeable, especially for the 2+-energies which are systematically higher at 200–300 keV for the volume paring as compared with the surface pairing case, the latterbeing in a better agreement with the data.
    Keywords Physics ; QC1-999 ; Science ; Q ; DOAJ:Physics (General) ; DOAJ:Physics and Astronomy
    Language English
    Publishing date 2012-12-01T00:00:00Z
    Publisher EDP Sciences
    Document type Article ; Online
    Database BASE - Bielefeld Academic Search Engine (life sciences selection)

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  2. Book: Pairing-induced localization of the particle continuum in weakly bound nuclei

    Fayans, S. A / Tolokonnikov, S. V / Zawischa, D

    (ITP-UH ; 00,17)

    2007  

    Author's details S. A. Fayans; S. V. Tolokonnikov; D. Zawischa
    Series title ITP-UH ; 00,17
    Language English
    Size 13 Bl., graph. Darst.
    Edition v1, 6 Sep 2000
    Publisher Univ., Inst. für Theoretische Physik
    Publishing place Hannover
    Document type Book
    Note Erzeugt aus: http://de.arxiv.org/PS_cache/nucl-th/pdf/0009/0009015v1.pdf, zuletzt geändert: 20.09.2007
    Database Library catalogue of the German National Library of Science and Technology (TIB), Hannover

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  3. Book ; Online: Pairing-induced localization of the particle continuum in weakly bound nuclei

    Fayans, S. A / Tolokonnikov, S. V / Zawischa, D

    (ITP-UH ; 00,17)

    2001  

    Abstract: Local energy-density functional, pairing correlations, localized states in the continuum, drip-line nuclei, neutron ... ...

    Author's details S. A. Fayans; S. V. Tolokonnikov; D. Zawischa
    Series title ITP-UH ; 00,17
    Abstract Local energy-density functional, pairing correlations, localized states in the continuum, drip-line nuclei, neutron halo
    Language English
    Size Online-Ressource, 13 p. = 275 Kb., text and images, graphs
    Edition [Elektronische Ressource]
    Publisher Universitätsbibliothek und Technische Informationsbibliothek ; Univ., Inst. für Theoretische Physik
    Publishing place Hannover
    Document type Book ; Online
    Note nIndex p. 12 - 13. - Differences between the printed and electronic version of the document are possible
    Database Library catalogue of the German National Library of Science and Technology (TIB), Hannover

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  4. Article ; Online: Charge Radii of Neutron Deficient ^{52,53}Fe Produced by Projectile Fragmentation.

    Minamisono, K / Rossi, D M / Beerwerth, R / Fritzsche, S / Garand, D / Klose, A / Liu, Y / Maaß, B / Mantica, P F / Miller, A J / Müller, P / Nazarewicz, W / Nörtershäuser, W / Olsen, E / Pearson, M R / Reinhard, P-G / Saperstein, E E / Sumithrarachchi, C / Tolokonnikov, S V

    Physical review letters

    2016  Volume 117, Issue 25, Page(s) 252501

    Abstract: Bunched-beam collinear laser spectroscopy is performed on neutron deficient ^{52,53}Fe prepared through in-flight separation followed by a gas stopping. This novel scheme is a major step to reach nuclides far from the stability line in laser spectroscopy. ...

    Abstract Bunched-beam collinear laser spectroscopy is performed on neutron deficient ^{52,53}Fe prepared through in-flight separation followed by a gas stopping. This novel scheme is a major step to reach nuclides far from the stability line in laser spectroscopy. Differential mean-square charge radii δ⟨r^{2}⟩ of ^{52,53}Fe are determined relative to stable ^{56}Fe as δ⟨r^{2}⟩^{56,52}=-0.034(13)  fm^{2} and δ⟨r^{2}⟩^{56,53}=-0.218(13)  fm^{2}, respectively, from the isotope shift of atomic hyperfine structures. The multiconfiguration Dirac-Fock method is used to calculate atomic factors to deduce δ⟨r^{2}⟩. The values of δ⟨r^{2}⟩ exhibit a minimum at the N=28 neutron shell closure. The nuclear density functional theory with Fayans and Skyrme energy density functionals is used to interpret the data. The trend of δ⟨r^{2}⟩ along the Fe isotopic chain results from an interplay between single-particle shell structure, pairing, and polarization effects and provides important data for understanding the intricate trend in the δ⟨r^{2}⟩ of closed-shell Ca isotopes.
    Language English
    Publishing date 2016-12-16
    Publishing country United States
    Document type Journal Article
    ZDB-ID 208853-8
    ISSN 1079-7114 ; 0031-9007
    ISSN (online) 1079-7114
    ISSN 0031-9007
    DOI 10.1103/PhysRevLett.117.252501
    Database MEDical Literature Analysis and Retrieval System OnLINE

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