Table 1.

Nuclear properties of Ga radionuclides

Properties	67 Ga	68 Ga	66 Ga
Gamma energy (keV)	3, 185, 300	511(β+)	511(β+), 834, 1039 2752
β-/β+ energy	84,92	1900(β+)	4153(β+)
Mode of decay	EC to 67Zn	10% EC to 68Zn, 90% β+	43% EC to 66Zn, 57% β+
Nuclear reaction	68Zn(p,2n)67Ga	68Ge Daughter 66Zn(α,2n)68Ge	66Zn(p,n)66Ga
Half-life	78 h	68 min	9.6 h
Natural abundance)%)	(18%)	(28%)	(28%)
possible contaminations	66Ga, 65Zn	68Ge	65Zn
Proton energy(MeV)	12-22	12-22	6-15