[領域]    量子力學                         (題目相關領域)

[來源]     考古題                        (課本習題、考古題、參考書...)

[題目]

         Isospin is a symmetry introduced by Heisnberg to explain some properties of
nuclear interactions involving proton(p), neutron(n), and pion(π).  Proton
is assigned to have isospin l=1/2 with the z-component l_z=1/2(i.e  |1/2,1/2>
or isospin up state)；neutron is assigned to the |1/2,-1/2> state. What will
be the possible isospin state for deuteron?



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