Der Zerfall des Fe53g
und des Fe53m |
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Authors: | Ingo Dernedde |
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Institution: | 1. II. Physikalisches Institut der Universit?t G?ttingen, Deutschland
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Abstract: | Theγ-ray spectra from the decays of 8.5 min-Fe53g and a new (2.51±0.02) min-Fe53m have been investigated by means of Ge(Li)-detectors. As far as the Fe53g -decay is concerned no other but the known 380 keV-transition (43%) has been observed indicating that the proceedingΒ +-decay leads to the groundstate and first excited state of Mn53 only. This contradicts formerΒ +-spectroscopic results but is consistent with recent spin assignments. In the Fe53m -decay fourγ-transitions have been found: 701 keV (100%), 1011 keV (76%), 1328 keV (76%), and 2339 keV (24%). The proposed level scheme of Fe53: 0 keV (7/2?), 1328 keV (9/2?), 2339 keV (11/2?), and 3040 keV (19/2?, 2.5 min) is in agreement with results published recently byEskola. The level schemes of Mn53 and Fe53 are discussed in terms of the individual particle shell model. |
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