Table 1 Common production paths and decay properties of ⁶¹Cu, ⁶⁴Cu and ⁶⁷Cu. All nuclear data was acquired from NuDat (Brookhaven National Laboratory 2020a) and Qcalc (Brookhaven National Laboratory 2020b). “Q” notes q-value

⁶¹Cu

3.34 h

β⁺ (61%)

β⁺_mean = 500 keV

β⁺_max = 1216 keV

^natNi(d,x)⁶¹Cu

⁶⁰Ni(d,n)⁶¹Cu (Q = 2.575)

⁶¹Ni(p,n)⁶¹Cu (Q = − 3.020)

⁶⁴Zn(p,α)⁶¹Cu (Q = 0.844)

N/A

26.223

1.1399

49.17

⁶⁴Cu

12.70 h

β⁻ (38.5%)

β⁻_mean = 191 keV

β⁻_max = 580 keV

β⁺ (17.60%)

β⁺_mean = 278 keV

β⁺_max = 653 keV

⁶⁴Ni(p,n)⁶⁴Cu (Q = − 2.457)

⁶⁸Zn(p,αn)⁶⁴Cu (Q = − 7.790)

0.9255

18.45

⁶⁷Cu

61.83 h

β⁻ (100%)

β⁻_mean = 141 keV

β⁻_max = 562 keV

⁷⁰Zn(p,α)⁶⁷Cu (Q = 2.619)

⁶⁴Ni(α,p)⁶⁷Cu (Q = − 4.644)

⁶⁸Zn(γ,p)⁶⁷Cu (Q = − 9.977)

0.61

0.9255

18.45