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New spectroscopic information on 211,213Tl : A changing structure beyond the N=126 shell closure

Authors :
Gottardo, A.
Valiente-Dobón, J. J.
Benzoni, G.
Morales, A. I.
Gadea, A.
Lunardi, S.
Boutachkov, P.
Bruce, A. M.
Górska, M.
Grebosz, J.
Pietri, S.
Podolyak, Zs.
Pfützner, M.
Regan, P. H.
Rudolph, D.
Weick, H.
Alcántara Núñez, J.
Algora, A.
Al-Dahan, N.
de Angelis, G.
Ayyad, Y.
Alkhomashi, N.
Allegro, P. R. P.
Bazzacco, D.
Benlliure, J.
Bowry, M.
Bracco, A.
Bunce, M.
Camera, F.
Casarejos, E.
Cortes, M. L.
Crespi, F. C. L.
Corsi, A.
Denis Bacelar, A. M.
Deo, A. Y.
Domingo-Pardo, C.
Doncel, M.
Dombradi, Zs.
Engert, T.
Eppinger, K.
Farrelly, G. F.
Farinon, F.
Geissel, H.
Gerl, J.
Goel, N.
Gregor, E.
Habermann, T.
Hoischen, R.
Janik, R.
Klupp, S.
Kojouharov, I.
Kurz, N.
Lenzi, S. M.
Leoni, S.
Mandal, S.
Menegazzo, R.
Mengoni, D.
Million, B.
Napoli, D. R.
Naqvi, F.
Nociforo, C.
Prochazka, A.
Prokopowicz, W.
Recchia, F.
Ribas, R. V.
Reed, M. W.
Sahin, E.
Schaffner, H.
Sharma, A.
Sitar, B.
Siwal, D.
Steiger, K.
Strmen, P.
Swan, T. P. D.
Szarka, I.
Ur, C. A.
Walker, P.M.
Wieland, O.
Wollersheim, H-J.
Nowacki, F.
Maglione, E.
Source :
Physical Review C; 99(5), no 054326 (2019)
Publication Year :
2019
Publisher :
American Physical Society, 2019.

Abstract

The neutron-rich isotopes 211;213Tl, beyond the N = 126 shell-closure, have been studied for the first time in isomer γ-ray decay, exploiting the fragmentation of a primary uranium beam at the FRS-RISING (FRagment Separator-Rare ISotopes INvestigation at GSI) setup at GSI. The observed isomeric states in 211;213Tl show a deviation from the seniority-like scheme of 209Tl. The possible interpretation of the data is discussed on the basis of energy-level systematics and shell-model calculations.

Subjects

Subjects :
isomeric decays
Nuclear Theory
Subatomic Physics
Physics::Atomic and Molecular Clusters
Nuclear Experiment
relativistic projectile fragmentation
gamma ray spectroscopy

Details

Language :
English
ISSN :
24699985
Database :
OpenAIRE
Journal :
Physical Review C; 99(5), no 054326 (2019)
Accession number :
edsair.dedup.wf.001..48d43a23437c2368e8391483e6cb261c

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