Silambarasan Physics posted an Question
December 09, 2021 • 18:47 pm 10 points
  • CSIR NET
  • Physical Sciences

In the b decay process, the transition 23, is (a) allowed both by fermi and gamow-teller selection rule (b) allowed by fermi but not by gamow-teller selection r

In the B decay process, the transition 23, is (A) Allowed both by Fermi and Gamow-Teller selection rule (B) Allowed by Fermi but not by Gamow-Teller selection rule (C) Allowed by Gamow-Teller but not by Fermi selection rule (D) Not allowed both by Fermi and Gamow-Teller selection rule

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  • Nargis sultana Best Answer

    for gammow teller rule, ∆I=+ or - 1..here, I means spin of the nucleus... here spin changes from 2 to 3 so ∆I=-1 ..thus it is allowed by GT rule only...not fermi selection rule (∆I=0)...option c

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