Abstract
The low energy states of57Fe has been studied by means of thermal neutron radiative capture. The gamma-ray spectrum below 3 MeV was measured using a Ge(Li) detector of an intrinsic volume 5.4 cm3. On making use of other experiments beside the good resolution of the Ge(Li) detector it was possible to suggest a decay scheme and to get some valuable informations. The transitions from the levels 366.7keV to the ground- and first-excited states seem to be pureM1 transitions. An evidence for the existence of a transition from the level 1725.5 keV to the 1018.6 keV with an absolute intensity 2.4% is shown.
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The Experimental Part of this work has been performed at the Nuclear Research Institute of the Czechoslovak Academy of Sciences Řež, at Prague (1967).
The authors are very grateful to Ing. K. Konečny and Ing. Z. Kosina their cooperative spirit. They are highly appreciating the useful discussions with all members of the Neutron Physics Staff of the ÚJV They thank Mr. A. Dvořak for his continual assistance during the course of the work.
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Eissa, E.A., Honzátko, J. Study of the57Fe low-energy states. Z. Physik 243, 114–120 (1971). https://doi.org/10.1007/BF01397855
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DOI: https://doi.org/10.1007/BF01397855