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Conditons for Beta Decay

  1. Mar 4, 2008 #1
    Can anybody explain me the conditions for become a beta decay.

    for example : Md (Z=101,A=255) --> No (Z=102,A=255) + e (electron) + -Ve (anti-notrino)

    can this nuclear reaction be?
  2. jcsd
  3. Mar 4, 2008 #2


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    Staff: Mentor

    http://www.nndc.bnl.gov/chart/reCenter.jsp?z=101&n=154 and click on Zoom 1 at top right.

    Md-101 is more likely to undergo electron capture 92% of time or alpha-decay 8%, with a small fraction of spontaneous fission (SF).

    It seems that heaviest actinides have preference for electron capture, alpha decay or SF. Nb-261 apparently undergoes beta-decay, and Es has number of isotopes that undergo beta decay.
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