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Finding spin and parity from nuclear reactions

  1. Apr 11, 2012 #1
    1. The problem statement, all variables and given/known data

    Find spin, parity and isospin of second excited state of [itex]{}^{10}B[/itex] nucleus, if we know that the second excited state (at [itex]E_x=1.74 MeV[/itex]) can intensively be excited with reactions: [itex]{}^{7}Li(\alpha,\ n),\ {}^{9}Be(d,\ n),\ {}^{9}Be({}^{3}He,\ d), {}^{11}B(p,\ d)[/itex], and cannot be seen in reactions: [itex]{}^{6}Li({}^{6}Li,\ d),\ {}^{12}C(d,\ \alpha),\ {}^{14}N(d,{}^{6}Li)[/itex].

    2. Relevant equations

    I have no idea how to possibly find the spin and parity of this state. I found for ground state and first excited state, spin, parity and isospin using shell model, but here I have no such recommendation.

    Any ideas or help would be appreciated...


    3. The attempt at a solution
     
  2. jcsd
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