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Lifetime Measurements of Normal Deformed States in Lu-165(71)

Andgren, K, Podolyak, Z, Dewald, A, Xu, F R, Algora, A, Axiotis, M, Bazzacco, D, Bizzeti, P G, Bizzeti-Sona, A M, Cederwall, B, de Angelis, G, Farnea, E, Fitzler, A, Gadea, A, Gelletly, W, Lunardi, S, Moller, O, Marginean, N, Martinez, T, Pissulla, T, Rusu, C, Ur, C A, Venturelli, R, Walker, P M and Wheldon, C (2005) Lifetime Measurements of Normal Deformed States in Lu-165(71) Physical Review C, 71 (1).

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Abstract

Picosecond lifetimes of medium spin states in Lu-165 were measured for the first time. The reaction used to populate the nucleus of interest was La-139(Si-30,4n)Lu-165 at a beam energy of 135 MeV. The beam was provided by the XTU-tandem accelerator of Laboratori Nazionali di Legnaro, Italy. By using the differential decay curve method, lifetimes of 19 states in four different rotational bands were obtained. Therefrom the B(E2) values and the transitional quadrupole moments were deduced. The obtained Q(t) for the different bands are compared with total Routhian surface (TRS) calculations and particle-rotor-model calculations. The TRS calculations predict different axial symmetric shapes for the bands built on the 9/2(-)[514], 9/2(+)[404], and 1/2(-)[541] configurations, with a gamma softness for the 9/2(-)[514] configuration. This band has also been studied using the particle-rotor model, the results of which, however, are consistent with a triaxial shape with a gamma value of -15(p).

Item Type: Article
Divisions : Faculty of Engineering and Physical Sciences > Physics
Authors :
AuthorsEmailORCID
Andgren, KUNSPECIFIEDUNSPECIFIED
Podolyak, Zz.podolyak@surrey.ac.ukUNSPECIFIED
Dewald, AUNSPECIFIEDUNSPECIFIED
Xu, F RUNSPECIFIEDUNSPECIFIED
Algora, AUNSPECIFIEDUNSPECIFIED
Axiotis, MUNSPECIFIEDUNSPECIFIED
Bazzacco, DUNSPECIFIEDUNSPECIFIED
Bizzeti, P GUNSPECIFIEDUNSPECIFIED
Bizzeti-Sona, A MUNSPECIFIEDUNSPECIFIED
Cederwall, BUNSPECIFIEDUNSPECIFIED
de Angelis, GUNSPECIFIEDUNSPECIFIED
Farnea, EUNSPECIFIEDUNSPECIFIED
Fitzler, AUNSPECIFIEDUNSPECIFIED
Gadea, AUNSPECIFIEDUNSPECIFIED
Gelletly, Ww.gelletly@surrey.ac.ukUNSPECIFIED
Lunardi, SUNSPECIFIEDUNSPECIFIED
Moller, OUNSPECIFIEDUNSPECIFIED
Marginean, NUNSPECIFIEDUNSPECIFIED
Martinez, TUNSPECIFIEDUNSPECIFIED
Pissulla, TUNSPECIFIEDUNSPECIFIED
Rusu, CUNSPECIFIEDUNSPECIFIED
Ur, C AUNSPECIFIEDUNSPECIFIED
Venturelli, RUNSPECIFIEDUNSPECIFIED
Walker, P Mp.walker@surrey.ac.ukUNSPECIFIED
Wheldon, CUNSPECIFIEDUNSPECIFIED
Date : 1 January 2005
Identification Number : 10.1103/PhysRevC.71.014312
Additional Information : Published in <i>Physical Review C,</i> Vol. 71, Iss. 1. Copyright 2005 American Physical Society. Click <a href=http://prc.aps.org/>here</a> to access the journal's website.
Depositing User : Mr Adam Field
Date Deposited : 27 May 2010 14:09
Last Modified : 23 Sep 2013 18:28
URI: http://epubs.surrey.ac.uk/id/eprint/440

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