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The new isotope 270110 and its decay products 266Hs and 262Sg |
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| Authors: | S Hofmann FP Heßberger D Ackermann S Antalic P Cagarda S Ćwiok B Kindler J Kojouharova B Lommel R Mann G Münzenberg AG Popeko S Saro HJ Schött AV Yeremin |
| Institution: | (1) Gesellschaft für Schwerionenforschung mbH, D-64220 Darmstadt, Germany, DE;(2) Department of Nuclear Physics, Comenius University, SK-84248 Bratislava, Slovakia, SK;(3) Faculty of Physics, Warsaw University of Technology, PL-00662 Warsaw, Poland, PL;(4) Flerov Laboratory of Nuclear Reactions, JINR, 141 980 Dubna, Russia, RU |
| Abstract: | The even-even nucleus 270110 was synthesized using the reaction 64Ni + 207Pb. A total of eight α-decay chains was measured during an irradiation time of seven days. Decay data were obtained for the ground-state and a high-spin K isomer. The new nuclei 266Hs and 262Sg were identified as daughter products after α-decay. Spontaneous fission of 262Sg terminates the decay chain. The measured data are in agreement with calculations using the macroscopic-microscopic model and with self-consistent HFB calculations with Skyrme-Sly4 interaction. Received: 27 November 2000 / Accepted: 16 January 2001 |
| Keywords: | PACS 21 10 Dr Binding energies and masses – 23 60 +e Alpha decay – 25 70 -z Low and intermediate energy heavy-ion collisions – 25 85 Ca Spontaneous fission – 27 90 +b 220 ?A |
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