Universität zu Köln

Petkov, P., Dewald, A., Moller, O., Deloncle, I., Chapman, R., Pascu, S., Bucurescu, D., Tonev, D., Reese, M., Fransen, C., Araddad, S. Y., Asova, G., Copnell, J., Goutev, N., Hackstein, M., Jolie, J., Lisle, J. C., Mo, J. N., Pissulla, Th., Rother, W., Smith, A. G., Tenereiro, C., Thompson, D. M. and Zell, K. O. (2017). On the quadrupole collectivity in the yrast band of Yb-168. Nucl. Phys. A, 957. S. 240 - 259. AMSTERDAM: ELSEVIER SCIENCE BV. ISSN 1873-1554

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Abstract

The lifetimes of eight lower spin levels of the yrast band in Yb-168, populated via the Sm-154(O-18,4n) and Sn-124(Ca-48,4n) reactions, were measured, six of them for the first time, by means of the recoil-distance Doppler-shift method. Two versions of the differential decay-curve method have been applied for the data analysis resulting in a very good agreement. The reduced transition probabilities indicate some reduction of the collectivity for states just above the 6(1)(+) level, i.e. well below the band-crossing. The reasons of this effect are discussed in terms of an interaction between the ground-state band and yet unknown part of the two-quasiparticle (nu(13/2)) spin-aligned S-band by invoking the shell-structure or alternatively/additionally, as changes in the internal structure/shape induced by the rotation. (C) 2016 Elsevier B.V. All rights reserved.

Item Type:	Journal Article
Creators:	Creators Email ORCID ORCID Put Code Petkov, P. UNSPECIFIED UNSPECIFIED UNSPECIFIED Dewald, A. UNSPECIFIED UNSPECIFIED UNSPECIFIED Moller, O. UNSPECIFIED UNSPECIFIED UNSPECIFIED Deloncle, I. UNSPECIFIED UNSPECIFIED UNSPECIFIED Chapman, R. UNSPECIFIED UNSPECIFIED UNSPECIFIED Pascu, S. UNSPECIFIED UNSPECIFIED UNSPECIFIED Bucurescu, D. UNSPECIFIED UNSPECIFIED UNSPECIFIED Tonev, D. UNSPECIFIED UNSPECIFIED UNSPECIFIED Reese, M. UNSPECIFIED UNSPECIFIED UNSPECIFIED Fransen, C. UNSPECIFIED UNSPECIFIED UNSPECIFIED Araddad, S. Y. UNSPECIFIED UNSPECIFIED UNSPECIFIED Asova, G. UNSPECIFIED UNSPECIFIED UNSPECIFIED Copnell, J. UNSPECIFIED UNSPECIFIED UNSPECIFIED Goutev, N. UNSPECIFIED UNSPECIFIED UNSPECIFIED Hackstein, M. UNSPECIFIED UNSPECIFIED UNSPECIFIED Jolie, J. UNSPECIFIED UNSPECIFIED UNSPECIFIED Lisle, J. C. UNSPECIFIED UNSPECIFIED UNSPECIFIED Mo, J. N. UNSPECIFIED UNSPECIFIED UNSPECIFIED Pissulla, Th. UNSPECIFIED UNSPECIFIED UNSPECIFIED Rother, W. UNSPECIFIED UNSPECIFIED UNSPECIFIED Smith, A. G. UNSPECIFIED UNSPECIFIED UNSPECIFIED Tenereiro, C. UNSPECIFIED UNSPECIFIED UNSPECIFIED Thompson, D. M. UNSPECIFIED UNSPECIFIED UNSPECIFIED Zell, K. O. UNSPECIFIED UNSPECIFIED UNSPECIFIED
URN:	urn:nbn:de:hbz:38-248442
DOI:	10.1016/j.nuclphysa.2016.09.006
Journal or Publication Title:	Nucl. Phys. A
Volume:	957
Page Range:	S. 240 - 259
Date:	2017
Publisher:	ELSEVIER SCIENCE BV
Place of Publication:	AMSTERDAM
ISSN:	1873-1554
Language:	English
Faculty:	Unspecified
Divisions:	Unspecified
Subjects:	no entry
Uncontrolled Keywords:	Keywords Language DECAY CURVE METHOD; NUCLEI; TRANSITION; SPECTRA; PLUNGER; STATES; BA-128; MODEL; SHAPE Multiple languages Physics, Nuclear Multiple languages
Refereed:	Yes
URI:	http://kups.ub.uni-koeln.de/id/eprint/24844