New μs isomers in the neutron-rich Hg nucleus
Gottardo, A, Valiente-Dobón, JJ, de Angelis, G, Modamio, V, Napoli, DR, Sahin, E, Lunardi, S, Algora, A, John, PR, Lenzi, SM, Benzoni, G, Bracco, A, Camera, F, Crespi, FCL, Corsi, A, Leoni, S, Million, B, Morales, AI, Nicolini, R, Wieland, O, Gadea, A, Bazzacco, D, Farnea, E, Menegazzo, R, Mengoni, D, Recchia, F, Ur, CA, Boutachkov, P, Górska, M, Pietri, S, Weick, H, Cortes, ML, Domingo-Pardo, C, Engert, T, Farinon, F, Geissel, H, Gerl, J, Goel, N, Gregor, E, Habermann, T, Hoischen, R, Kojouharov, I, Kurz, N, Naqvi, F, Nociforo, C, Prochazka, A, Prokopowicz, W, Schaffner, H, Sharma, A, Wollersheim, H-J, Bruce, AM, Bunce, M, Denis Bacelar, AM, Grebosz, J, Podolyák, Z, Regan, PH, Al-Dahan, N, Bowry, M, Deo, AY, Farrelly, GF, Reed, MW, Swan, TPD, Walker, PM, Pfützner, M, Ayyad, Y, Benlliure, J, Alcántara Núñez, J, Alkhomashi, N, Allegro, PRP, Ribas, RV, Casarejos, E, Doncel, M, Dombradi, Z, Eppinger, K, Klupp, S, Steiger, K, Rudolph, D, Janik, R, Sitar, B, Strmen, P, Szarka, I, Mandal, S and Siwal, D (2013) New μs isomers in the neutron-rich Hg nucleus Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics, 725 (4-5). pp. 292-296.
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Neutron-rich nuclei in the lead region, beyond N=126, have been studied at the FRS-RISING setup at GSI, exploiting the fragmentation of a primary uranium beam. Two isomeric states have been identified in Hg: the 8 isomer expected from the seniority scheme in the νg shell and a second one at low spin and low excitation energy. The decay strength of the 8 isomer confirms the need of effective three-body forces in the case of neutron-rich lead isotopes. The other unexpected low-lying isomer has been tentatively assigned as a 3 state, although this is in contrast with theoretical expectations. © 2013 Elsevier B.V..
|Divisions :||Faculty of Engineering and Physical Sciences > Physics|
|Date :||1 October 2013|
|Identification Number :||10.1016/j.physletb.2013.07.053|
|Additional Information :||NOTICE: this is the author’s version of a work that was accepted for publication in Physics Letters, Section B. Changes resulting from the publishing process, such as peer review, editing, corrections, structural formatting, and other quality control mechanisms may not be reflected in this document. Changes may have been made to this work since it was submitted for publication. A definitive version was subsequently published in Physics Letters, Section B, 725(4-5), October 2013, DOI 10.1016/j.physletb.2013.07.053.|
|Depositing User :||Symplectic Elements|
|Date Deposited :||27 Sep 2013 17:26|
|Last Modified :||09 Jun 2014 13:12|
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