Universität zu Köln

Naqvi, F., Werner, V., Petkov, P., Ahn, T., Cooper, N., Ilie, G., Radeck, D., Bernards, C., Carpenter, M. P., Chiara, C. J., Janssens, R. V. F., Kondev, F. G., Lauritsen, T., Seweryniak, D., Stoyanov, Ch. and Zhu, S. (2014). Test of the pi g(7/2) subshell closure at Z=58. Phys. Lett. B, 728. S. 303 - 308. AMSTERDAM: ELSEVIER SCIENCE BV. ISSN 1873-2445

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Abstract

A simultaneous lifetime and relative g-factor measurement of the 2(1)(+) levels in Ce-138.142 was was performed using the Time Dependent Recoil Into Vacuum (TDRIV) technique. The excitation mechanism was Coulomb excitation in inverse kinematics, and the experimental setup included the Yale plunger device and the Gammasphere array. The latter was used to extract angular distributions for the 2(1)(+) -> 0(+) gamma-ray transitions at various target-to-stopper distances. A g(2(1)(+)) factor of 0.26(8) for Ce-138 was obtained relative to the literature value of g(2(1)(+)) = 0.21(5) in Ce-142. In addition, high-precision values of the B(E2; 2(1)(+) -> 0(+)) strengths were obtained. The new data support a proposed subshell closure for the pi g(7/2) orbital at Z = 58. (C) 2013 The Authors. Published by Elsevier B.V. All rights reserved. Pi

Item Type:	Journal Article
Creators:	Creators Email ORCID ORCID Put Code Naqvi, F. UNSPECIFIED UNSPECIFIED UNSPECIFIED Werner, V. UNSPECIFIED UNSPECIFIED UNSPECIFIED Petkov, P. UNSPECIFIED UNSPECIFIED UNSPECIFIED Ahn, T. UNSPECIFIED UNSPECIFIED UNSPECIFIED Cooper, N. UNSPECIFIED UNSPECIFIED UNSPECIFIED Ilie, G. UNSPECIFIED UNSPECIFIED UNSPECIFIED Radeck, D. UNSPECIFIED UNSPECIFIED UNSPECIFIED Bernards, C. UNSPECIFIED UNSPECIFIED UNSPECIFIED Carpenter, M. P. UNSPECIFIED UNSPECIFIED UNSPECIFIED Chiara, C. J. UNSPECIFIED UNSPECIFIED UNSPECIFIED Janssens, R. V. F. UNSPECIFIED UNSPECIFIED UNSPECIFIED Kondev, F. G. UNSPECIFIED UNSPECIFIED UNSPECIFIED Lauritsen, T. UNSPECIFIED UNSPECIFIED UNSPECIFIED Seweryniak, D. UNSPECIFIED UNSPECIFIED UNSPECIFIED Stoyanov, Ch. UNSPECIFIED UNSPECIFIED UNSPECIFIED Zhu, S. UNSPECIFIED UNSPECIFIED UNSPECIFIED
URN:	urn:nbn:de:hbz:38-448375
DOI:	10.1016/j.physletb.2013.11.057
Journal or Publication Title:	Phys. Lett. B
Volume:	728
Page Range:	S. 303 - 308
Date:	2014
Publisher:	ELSEVIER SCIENCE BV
Place of Publication:	AMSTERDAM
ISSN:	1873-2445
Language:	English
Faculty:	Unspecified
Divisions:	Unspecified
Subjects:	no entry
Uncontrolled Keywords:	Keywords Language MIXED-SYMMETRY; RECOIL; STATES; VACUUM; BA-128; BAND Multiple languages Astronomy & Astrophysics; Physics, Nuclear; Physics, Particles & Fields Multiple languages
URI:	http://kups.ub.uni-koeln.de/id/eprint/44837