X(0) - Proton :

A1 =  (0.4,0.46)    Fm        R1 = ( -9.0, -6.0 )  Fm

A3 < 0.05  Fm           R3 > 340 Fm

   Model NSC97

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A1 = -6.0  Fm  ;   A3 = -3.4 Fm   QCD sum rules

X(minus) - Proton :

A1 = -3.5  Fm  ;   A3 = -3.8 Fm   QCD sum rules

X(minus) - Neutron

A1 =  (0.4,0.46)    Fm           R1 = ( -9.0, -6.0 )  Fm

A3 < 0.05  Fm           R3 > 340 Fm

     Model NSC97