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Title: New sub-mu s isomers in Sn-125,Sn-127,Sn-129 and isomer systematics of Sn124-130
Authors: Lozeva Lozeva, Radomira ×
Grawe, H
Neyens, Gerda
Atanasova, L. A
Balabanski, D. L
Bazzacco, D
Becker, F
Bednarczyk, P
Benzoni, G
Blasi, N
Blazhev, A
Bracco, A
Brandau, C
Caceres, L
Camera, F
Chamoli, S. K
Crespi, F. C. L
Daugas, J. -M
Detistov, P
De Rydt, Marieke
Doornenbal, P
Fahlander, C
Farnea, E
Georgiev, G
Gerl, J
Gladnishki, K. A
Gorska, M
Grebosz, J
Hass, M
Hoischen, R
Ilie, G
Ionescu-Bujor, M
Iordachescu, A
Jungclaus, A
Kmiecik, M
Kojouharov, I
Kurz, N
Lakshmi, S. P
Lo Bianco, G
Mallion, Stephen
Maj, A
Montanari, D
Perru, O
Pfuetzner, M
Pietri, S
Pinston, J. A
Podolyak, Zs
Prokopowicz, W
Rudolph, D
Rusev, G
Saitoh, T. R
Saltarelli, A
Schaffner, H
Schwengner, R
Tashenov, S
Turzo, K
Valiente-Dobon, J. J
Vermeulen, Nele
Walker, J
Werner-Malento, E
Wieland, O
Wollersheim, H. -J #
Issue Date: Jun-2008
Publisher: Published for the American Physical Society by the American Institute of Physics
Series Title: Physical Review C, Nuclear Physics vol:77 issue:6 pages:1-15
Article number: 064313
Abstract: New sub-mu s isomers have been observed in the neutron-rich Sn isotopes. Sn-125,Sn-127,Sn-129 nuclei have been produced in a relativistic fission reaction of U-238 on a Be-9 target at 750 A.MeV and by the fragmentation of Xe-136 at 600 A.MeV populating high-spin yrast states. In addition to the already known mu s isomers, three new ones with sub-mu s half-lives have been observed. These yrast isomers are the high-spin members of the nu(d(3/2)(-1)h(11/2)(-2)) and nu h(11/2)(-n), seniority v = 3 multiplets leading to isomeric (23/2(+)) and (27/2(-)) states, respectively. Added to the already known 19/2(+)mu s isomers in this region the current work completes the systematic information of neutron-hole excitations toward the filling of the last h(11/2) orbital at N = 82. The results are discussed in the framework of state-of-the-art shell-model calculations using realistic interactions.
ISSN: 0556-2813
Publication status: published
KU Leuven publication type: IT
Appears in Collections:Nuclear and Radiation Physics Section
× corresponding author
# (joint) last author

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