Eur. Phys. J. A 17, 29-36 (2003)
DOI: 10.1140/epja/i2002-10144-3

Lifetime measurements in

Zs. Podolyák¹, P.G. Bizzeti², A.M. Bizzeti-Sona², S. Lunardi³, D. Bazzacco³, A. Dewald⁴, A. Algora⁵, G. de Angelis⁵, E. Farnea³, A. Gadea⁵, D.R. Kasemann⁴, T. Klug⁴, Th. Kröll³, S. Lenzi³, D.R. Napoli⁵, C.M. Petrache³, R. Peusquens⁴, C. Rossi Alvarez³, T. Martinez⁵ and C.A. Ur<sup>3

1</sup>  Department of Physics, University of Surrey, Guildford GU2 7XH, UK
²  Dipartimento di Fisica dell'Università and INFN, Sezione di Firenze, Firenze, Italy
³  Dipartimento di Fisica dell'Università and INFN, Sezione di Padova, Padova, Italy
⁴  Institut für Kernphysik, Universität zu Köln, Köln, Germany
⁵  INFN, Laboratori Nazionali di Legnaro, Legnaro (Padova), Italy

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(Received: 14 November 2002 / Published online: 29 April 2003)

Abstract
Lifetimes of excited states in ¹⁴⁸Gd were measured using the recoil distance method with a plunger device coupled to the EUROBALL Ge detector array. The differential decay curve method in coincidence mode allowed the unambiguous determination of lifetimes of more than 20 excited states. The obtained transition strengths are in good agreement with the shell model calculations. The effect of the Z=64 subshell closure on the reduced strengths above the N=82 magic number is discussed.

PACS
21.10.Tg - Lifetimes.
21.10.Ky - Electromagnetic moments.
27.60.+j - .

© Società Italiana di Fisica, Springer-Verlag 2003