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Level After Decay of Radioactive Isotope

  1. Aug 27, 2014 #1

    So I have an issue with determining the probability of a daughter isotope's nucleus being on a certain level after decay from an unstable parent isotope's nucleus on another level. For example: I have a Co-60 nucleus and it decays to a Ni-60 nucleus by B- emission. If the parent Co-60 nucleus was excited at X keV and the daughter nucleus is excited at Y keV, how do I figure out the probability of this transition occurring. Or perhaps where do I find this data?

  2. jcsd
  3. Aug 28, 2014 #2


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    Much of the work has already been accomplished by various national and international laboratories.

    http://www.nndc.bnl.gov/chart/getdecayscheme.jsp?nucleus=60NI&dsid=60co bM decay (1925.28 d)&unc=nds

    If one were to determine decay levels from scratch, one would have to do detailed gamma spectroscopy and determine the strengths or intensities of various gamma peaks.

    http://www.nndc.bnl.gov/chart/getdecayscheme.jsp?nucleus=137BA&dsid=137cs bM decay&unc=nds
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