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Beta decay of 101Sn |
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| Authors: | O Kavatsyuk C Mazzocchi Z Janas A Banu L Batist F Becker A Blazhev W Brüchle J Döring T Faestermann M Górska H Grawe A Jungclaus M Karny M Kavatsyuk O Klepper R Kirchner M La Commara K Miernik I Mukha C Plettner A P?ochocki E Roeckl M Romoli K Rykaczewski M Schädel K Schmidt R Schwengner J ?ylicz |
| Institution: | 1. Gesellschaft für Schwerionenforschung, Darmstadt, Planckstra?e 1, D-64291, Darmstadt, Germany 2. National Taras Shevchenko University of Kyiv, Ukraine 3. University of Tennessee, Knoxville, USA 4. University of Warsaw, Poland 5. St. Petersburg Nuclear Physics Institute, Russia 6. University of Sofia, Bulgaria 7. Technische Universit?t München, Germany 8. CSIC and Departamento de Fisica Teórica, UAM, Instituto Estructura de la Materia, Madrid, Spain 9. Università “Federico II” and INFN, Napoli, Italy 10. Kurchatov Institute, Moscow, Russia 11. Oak Ridge National Laboratory, Oak Ridge, USA 12. Continental Teves AG & Co., Frankfurt am Main, Germany 13. Forschungszentrum Rossendorf, Institut für Kern- und Hadronenphysik, Dresden, Germany |
| Abstract: | The β decay of the very neutron-deficient isotope 101Sn was studied at the GSI on-line mass separator using silicon detectors for recording charged particles and germanium detectors for γ-ray spectroscopy. Based on the β-delayed proton data the production cross-section of 101Sn in the 50Cr + 58Ni fusion-evaporation reaction was determined to be about 60nb. The half-life of 101Sn was measured to be 1.9(3)s. For the first time β-delayed γ-rays of 101Sn were tentatively identified, yielding weak evidence for a cascade of 352 and 1065keV transitions in 101In. The results for the 101Sn decay as well as those from previous work on the 103Sn decay are discussed by comparing them to predictions obtained from shell model calculations employing a new interaction in the 88Sr to 132Sn model space. |
| Keywords: | 27 60 +j 90≤ A≤ 149 21 10 -k Properties of nuclei nuclear energy levels 23 40 -s β decay double β decay electron and muon capture 21 10 Tg Lifetimes |
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