Title: Selected properties of nuclei at the magic shell closures from the studies of E1, M1 and E2 transition rates
Authors: Mach, H.
Baluyut, A-M.
Smith, D.
Ruchowska, E.
Koester, U.
Fraile, L.M.
Penttila, H.
Aysto, J.
Boutami, R.
Bradley, H.
Braun, N.
Elomaa, V.-V.
Eronen, T.
Fransen, C.
Ghita, D.G.
Hakala, J.
Hauth, M.
Jokinen, A.
Jolie, J.
Kravonen, P.
Kessler, T.
Kurcewicz, W.
Lehmann, H.
Moore, I.D.
Nyberg, J.
Rahaman, S.
Rissanen, J.
Ronkainen, P.
Saastamoinen, A.
Sonoda, Tetsu
Streczkiewicz, O.
Ugryumov, V.
Weber, C. #
Issue Date: 28-Jan-2009
Publisher: Springer New York LLC
Host Document: AIP Conference Proceedings vol:1090 pages:502-506
Conference: International Symposium on Capture Gamma-Ray Spectroscopy and Related Topics edition:13 location:Cologne, Germany date:25-29 August 2009
Article number: 502
Abstract: Using the Advanced Time-Delayed method we have studied transition rates in several neutron-rich nuclei at the magic shell closures. These include the heavy Co and Fe nuclei just below the Z=28 shell closure at the point of transition at N=37. A substantial increase in the information on this nucleus was obtained from a brief fast timing study conducted at ISOLDE. The new results indicate that 63Fe seems to depart from a simple shell model structure observed for heavier N=37 isotones of 65Ni and 67Zn.

Another region of interest are the heavy Cd and Sn nuclei at N=72,74 and the properties of negative parity quasi-particle excitations. These experiments, performed at the IGISOL separator at Jyvaskyla, revealed interesting properties of the E2 rates in the sequence of E3 transitions connecting the 10+, 8+, 6+, 4+, 2+ and 0+ members of the multiplet of levels in 122Sn due to neutrons in the h11/2 orbit.
Publication status: published
KU Leuven publication type: IC
Appears in Collections:Nuclear and Radiation Physics Section
# (joint) last author

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