Universität zu Köln

Simpson, G., Regis, M., Bettermann, L., Genevey, J., Jolie, J., Koster, U., Materna, T., Malkiewiczl, T., Muraz, J-F, Pinston, J. A., Roussiere, B. and Thiamova, G. (2019). Lifetime of the (15/2(1)(-)) state in Te-135. J. Phys. G-Nucl. Part. Phys., 46 (6). BRISTOL: IOP PUBLISHING LTD. ISSN 1361-6471

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Abstract

The lifetime of the (15/2(1)(-)) state of Te-135 has been measured to be tau = 809(22) ps, corresponding to a reduced transition rate of B(E2; 15/2(1)(-) -> 11/2(1)(-)) = 6.6(2) W.u. The experiment was performed at the focal point of the Lohengrin spectrometer and mu s-delayed gamma rays from mass-selected A = 135 ions were detected by four LaBr3(Ce) scintillators. This allowed the fast-timing technique to be used to access lifetimes in the 10s-of-ps to ns time region. The B(E2; 15/2(1)(-) -> 11/2(1)(-)) value is typical of a vibrational transition, despite Te-135 possessing only one valence neutron and two valence protons. Shell model calculations performed with the jj56pnb state-of-the-art effective interaction predict a B(E2) value close to the experimental one and show that contributions from the pi(g(7/2), d(5/2))nu f(7/2) couplings are coherent.

Item Type:	Journal Article
Creators:	Creators Email ORCID ORCID Put Code Simpson, G. UNSPECIFIED UNSPECIFIED UNSPECIFIED Regis, M. UNSPECIFIED UNSPECIFIED UNSPECIFIED Bettermann, L. UNSPECIFIED UNSPECIFIED UNSPECIFIED Genevey, J. UNSPECIFIED UNSPECIFIED UNSPECIFIED Jolie, J. UNSPECIFIED UNSPECIFIED UNSPECIFIED Koster, U. UNSPECIFIED UNSPECIFIED UNSPECIFIED Materna, T. UNSPECIFIED UNSPECIFIED UNSPECIFIED Malkiewiczl, T. UNSPECIFIED UNSPECIFIED UNSPECIFIED Muraz, J-F UNSPECIFIED UNSPECIFIED UNSPECIFIED Pinston, J. A. UNSPECIFIED UNSPECIFIED UNSPECIFIED Roussiere, B. UNSPECIFIED UNSPECIFIED UNSPECIFIED Thiamova, G. UNSPECIFIED UNSPECIFIED UNSPECIFIED
URN:	urn:nbn:de:hbz:38-147502
DOI:	10.1088/1361-6471/ab1a75
Journal or Publication Title:	J. Phys. G-Nucl. Part. Phys.
Volume:	46
Number:	6
Date:	2019
Publisher:	IOP PUBLISHING LTD
Place of Publication:	BRISTOL
ISSN:	1361-6471
Language:	English
Faculty:	Unspecified
Divisions:	Unspecified
Subjects:	no entry
Uncontrolled Keywords:	Keywords Language Physics, Nuclear; Physics, Particles & Fields Multiple languages
Refereed:	Yes
URI:	http://kups.ub.uni-koeln.de/id/eprint/14750