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Table 1 Comparison of 68Ga, 44Sc, and 43Sc nuclear properties

From: Cyclotron production of 43Sc for PET imaging

  68Ga 44Sc 43Sc
T 1/2 [h] 1.14 3.92 3.89
β+ [% emission] 89 95 88
E β+max [MeV] 1.90 1.47 1.20
E γ [keV] 1077 (3 %) 1157.0 (99 %) 372.8 (23 %)
Generator production 68Ge (T 1/2 = 270.8 days)/68Ga 44Ti (T 1/2 = 60.4 y)/44 Sc
Cyclotron production 68Zn(p,n)68Ga 44Ca(p,n)44Sc 43Ca(p,n)43Sc
44Ca(d,2n)44Sc 42Ca(d,n)43Sc
natCa(α,p)43Sc
natCa(α,n)43Ti→43Sc