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The decay scheme of 60 Co and 60m Co.. The diagram shows a simplified decay scheme of 60 Co and 60m Co. The main β-decay transitions are shown. The probability for population of the middle energy level of 2.1 MeV by β-decay is 0.0022%, with a maximum energy of 665.26 keV.
Decay scheme of 60 Co. These relations can be quite complicated; a simple case is shown here: the decay scheme of the radioactive cobalt isotope cobalt-60. [1] 60 Co decays by emitting an electron with a half-life of 5.272 years into an excited state of 60 Ni, which then decays very fast to the ground state of 60 Ni, via two gamma decays.
English: The radioactive Decay scheme of Cobalt 60. The cobalt decays to nickel via beta-minus decay then two more stable nickel nuclei via two further gamma emissions.
Radioactive decay scheme of 60 Co Gamma emission spectrum of cobalt-60. One example of gamma ray production due to radionuclide decay is the decay scheme for cobalt-60, as illustrated in the accompanying diagram. First, 60 Co decays to excited 60 Ni by beta decay emission of an electron of 0.31 MeV. Then the excited 60 Ni
The following other wikis use this file: Usage on af.wikipedia.org Kobalt-60; Usage on cs.wikipedia.org Kobalt-60; Usage on fi.wikipedia.org Koboltti-60
Figure 2: Sodium iodide gamma spectrum of cobalt-60 (60 Co); see also a different measurement. The gamma spectrum shown in Figure 2 is of the cobalt isotope 60 Co, with two gamma rays with 1.17 MeV and 1.33 MeV respectively. (See the decay scheme article for the decay scheme of cobalt-60.
Naturally occurring cobalt, Co, consists of a single stable isotope, 59 Co (thus, cobalt is a mononuclidic element). Twenty-eight radioisotopes have been characterized; the most stable are 60 Co with a half-life of 5.2714 years, 57 Co (271.811 days), 56 Co (77.236 days), and 58 Co (70.844 days).
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