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:
CreatorsEmailORCIDORCID Put Code
Simpson, G.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Regis, M.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Bettermann, L.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Genevey, J.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Jolie, J.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Koster, U.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Materna, T.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Malkiewiczl, T.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Muraz, J-FUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Pinston, J. A.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Roussiere, B.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Thiamova, G.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
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:
KeywordsLanguage
Physics, Nuclear; Physics, Particles & FieldsMultiple languages
Refereed: Yes
URI: http://kups.ub.uni-koeln.de/id/eprint/14750

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