Level After Decay of Radioactive Isotope

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SUMMARY

This discussion focuses on determining the probability of a daughter isotope's nucleus being in a specific energy level after decay from a parent isotope. The example provided is the decay of Co-60 to Ni-60 via beta emission, with the parent and daughter nuclei being excited at specific keV levels. Participants highlight that much of the necessary data can be found through established resources such as the National Nuclear Data Center (NNDC) and emphasize the importance of gamma spectroscopy for determining decay levels from scratch.

PREREQUISITES
  • Understanding of beta decay processes
  • Familiarity with nuclear excitation levels in isotopes
  • Knowledge of gamma spectroscopy techniques
  • Access to nuclear decay data resources like NNDC
NEXT STEPS
  • Research the decay schemes of Co-60 and Ni-60 on the NNDC website
  • Learn about gamma spectroscopy methods for measuring decay levels
  • Study the statistical models used to calculate transition probabilities in nuclear decay
  • Explore the implications of excited states in nuclear reactions
USEFUL FOR

Physicists, nuclear engineers, and researchers in nuclear chemistry who are involved in studying radioactive decay processes and interested in the behavior of isotopes during transitions.

dlbi
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Hello!

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?

Thanks!
 
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dlbi said:
Hello!

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?

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

Co-60
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.

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

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