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Verhandlungen
Verhandlungen
DPG

Göttingen 1997 – scientific programme

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HK: Hadronen und Kerne

HK 42: Kernspektroskopie, mittelschwere Kerne II

HK 42.4: Talk

Wednesday, March 26, 1997, 15:30–15:45, HS E

Beta-decay studies of the new isotope 107Sb and other neutron-deficient antimony isotopes — •Z. Hu1, M. Shibata1, J. Agramunt2, D. Cano-Ott2, R. Collatz1, M. Górska1, H. Grawe1, M. Hellström1, Z. Janas3, M. Karny3, R. Kirchner1, O. Klepper1, A. Plochocki3, E. Roeckl1, K. Rykaczewski3, K. Schmidt1, A. Weber1, and J. Żylicz31GSI Darmstadt — 2IFIC Valencia — 3University of Warsaw

By using on-line mass separation of residues from heavy-ion induced fusion-evaporation reactions, we studied the β+/EC decay of neutron-deficient antimony isotopes including the new nuclide 107Sb. A search for direct proton decay of 105Sb did not yield a conclusive result. The experimental beta-decay half-lives of 104−108Sb are discussed with reference to results obtained from quasi-particle random-phase approximations, while the 108Sb→108Sn and 107Sb→107Sn level schemes are interpreted in comparison with shell model predictions.

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