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What would the value of the associated decay constant be?

  1. Nov 5, 2009 #1
    1. The problem statement, all variables and given/known data

    If a numerical value had to be assigned to the half life of 27Al, what would that value be? What would the value of the associated decay constant be? What does this mean about the activity of 27 Al?

    2. Relevant equations



    3. The attempt at a solution
    Since it is a stable, you have to look at the chart of the nuclides to compare. You have 27Si that B+ to 27Al with a half life of 4.14 s and you have 27Mg that B- decays to 27Al with a half life of 9.45m. I am confused about the first part of the question. Any advice?
    1. The problem statement, all variables and given/known data



    2. Relevant equations



    3. The attempt at a solution
     
  2. jcsd
  3. Nov 10, 2009 #2

    Redbelly98

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    Re: radiophysics

    Welcome to PF.

    If it is stable, it never decays, ever. One might say that it's lifetime is ____?
     
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