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Determination of the B(E3, 0⁺ → 3⁻)-excitation strength in octupole-correlated nuclei near A ≈ 224 by the means of Coulomb excitation at REX-ISOLDE

Scheck, M. ; Gaffney, L. P. ; Butler, P. A. ; Hayes, A. B. ; Wenander, F. ; Albers, M. ; Bastin, B. ; Bauer, C. ; Blazhev, A. ; Bönig, S. ; Bree, N. ; Cederkäil, J. ; Chupp, T. ; Cline, D. ; Cocolios, T. E. ; Davinson, T. ; De Witte, H. ; Diriken, J. ; Grahn, T. ; Gregor, E. T. ; Herzan, A. ; Huyse, M. ; Jenkins, D. G. ; Joss, D. T. ; Kesteloot, N. ; Konki, J. ; Kowalczyk, M. ; Kröll, Th. ; Kwan, E. ; Lutter, R. ; Moschner, K. ; Napiorkowski, P. ; Pakarinen, J. ; Pfeiffer, M. ; Radeck, D. ; Reiter, P. ; Reynders, K. ; Rigby, S. V. ; Robledo, L. M. ; Rudigier, M. ; Sambi, S. ; Seidlitz, M. ; Siebeck, B. ; Stora, T. ; Thoele, P. ; Van Duppen, P. ; Vermeulen, M. J. ; Schmid, M. von ; Voulot, D. ; Warr, N. ; Wimmer, K. ; Wrzosek-Lipska, K. ; Wu, C. Y. ; Zielińska, M. (2014)
Determination of the B(E3, 0⁺ → 3⁻)-excitation strength in octupole-correlated nuclei near A ≈ 224 by the means of Coulomb excitation at REX-ISOLDE.
In: Journal of Physics: Conference Series, 533 (1)
doi: 10.1088/1742-6596/533/1/012007
Artikel, Bibliographie

Dies ist die neueste Version dieses Eintrags.

Kurzbeschreibung (Abstract)

The IS475 collaboration conducted Coulomb-excitation experiments with postaccelerated radioactive ²²⁰Rn and ²²⁴Ra beams at the REX-ISOLDE facility. The beam particles (Ebeam ≈ 2.83 MeV/u) were Coulomb excited using ⁶⁰Ni, ¹¹⁴Cd, and ¹²⁰Sn scattering targets. De-excitation γ-rays were detected employing the Miniball array and scattered particles were detected in a silicon detector. Exploiting the Coulomb-excitation code GOSIA for each nucleus several matrix elements could be obtained from the measured γ-ray yields. The extracted ⟨3⁻||Ê3||0⁺⟩ matrix element allows for the conclusion that, while ²²⁰Rn represents an octupole vibrational system, ²²⁴Ra has already substantial octupole correlations in its ground state. An observation that has implications for the search of CP-violating Schiff moments in the atomic systems of the adjacent odd-mass nuclei.

Typ des Eintrags: Artikel
Erschienen: 2014
Autor(en): Scheck, M. ; Gaffney, L. P. ; Butler, P. A. ; Hayes, A. B. ; Wenander, F. ; Albers, M. ; Bastin, B. ; Bauer, C. ; Blazhev, A. ; Bönig, S. ; Bree, N. ; Cederkäil, J. ; Chupp, T. ; Cline, D. ; Cocolios, T. E. ; Davinson, T. ; De Witte, H. ; Diriken, J. ; Grahn, T. ; Gregor, E. T. ; Herzan, A. ; Huyse, M. ; Jenkins, D. G. ; Joss, D. T. ; Kesteloot, N. ; Konki, J. ; Kowalczyk, M. ; Kröll, Th. ; Kwan, E. ; Lutter, R. ; Moschner, K. ; Napiorkowski, P. ; Pakarinen, J. ; Pfeiffer, M. ; Radeck, D. ; Reiter, P. ; Reynders, K. ; Rigby, S. V. ; Robledo, L. M. ; Rudigier, M. ; Sambi, S. ; Seidlitz, M. ; Siebeck, B. ; Stora, T. ; Thoele, P. ; Van Duppen, P. ; Vermeulen, M. J. ; Schmid, M. von ; Voulot, D. ; Warr, N. ; Wimmer, K. ; Wrzosek-Lipska, K. ; Wu, C. Y. ; Zielińska, M.
Art des Eintrags: Bibliographie
Titel: Determination of the B(E3, 0⁺ → 3⁻)-excitation strength in octupole-correlated nuclei near A ≈ 224 by the means of Coulomb excitation at REX-ISOLDE
Sprache: Englisch
Publikationsjahr: 2014
Ort: Bristol
Verlag: IOP Publishing
Titel der Zeitschrift, Zeitung oder Schriftenreihe: Journal of Physics: Conference Series
Jahrgang/Volume einer Zeitschrift: 533
(Heft-)Nummer: 1
Kollation: 4 Seiten
DOI: 10.1088/1742-6596/533/1/012007
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Kurzbeschreibung (Abstract):

The IS475 collaboration conducted Coulomb-excitation experiments with postaccelerated radioactive ²²⁰Rn and ²²⁴Ra beams at the REX-ISOLDE facility. The beam particles (Ebeam ≈ 2.83 MeV/u) were Coulomb excited using ⁶⁰Ni, ¹¹⁴Cd, and ¹²⁰Sn scattering targets. De-excitation γ-rays were detected employing the Miniball array and scattered particles were detected in a silicon detector. Exploiting the Coulomb-excitation code GOSIA for each nucleus several matrix elements could be obtained from the measured γ-ray yields. The extracted ⟨3⁻||Ê3||0⁺⟩ matrix element allows for the conclusion that, while ²²⁰Rn represents an octupole vibrational system, ²²⁴Ra has already substantial octupole correlations in its ground state. An observation that has implications for the search of CP-violating Schiff moments in the atomic systems of the adjacent odd-mass nuclei.

ID-Nummer: Artikel-ID: 012007
Zusätzliche Informationen:

XX International School on Nuclear Physics, Neutron Physics and Applications (Varna2013); Erstveröffentlichung

Sachgruppe der Dewey Dezimalklassifikatin (DDC): 500 Naturwissenschaften und Mathematik > 530 Physik
Fachbereich(e)/-gebiet(e): 05 Fachbereich Physik
05 Fachbereich Physik > Institut für Kernphysik
Hinterlegungsdatum: 28 Mär 2024 08:16
Letzte Änderung: 23 Jul 2024 14:49
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