Isotopes of Gallium

List of known isotopes of the element Gallium.

Isotope%Spin/parityRadiusIsotopic massDiscovery
59Ga43 nssyn.5.896·107 ±183 keV/c2
60Ga70 ±13 mssyn.(2+)5.995·107 ±215 keV/c21995
61Ga167 ±3 mssyn.3/2-6.094·107 ±40.78 keV/c21987
62Ga116.1 ±21 mssyn.0+6.194·107 ±0.684 keV/c21978
63Ga32.4 ±5 ssyn.3/2-6.293·107 ±1.4 keV/c21965
64Ga2.627 ±12 msyn.0+6.393·107 ±1.533 keV/c21953
65Ga15.2 ±2 msyn.3/2-6.493·107 ±0.849 keV/c21938
66Ga9.49 ±3 hsyn.0+6.593·107 ±1.172 keV/c21937
67Ga3.261 ±5 dsyn.3/2-6.692·107 ±1.262 keV/c21938
68Ga67.71 ±8 msyn.1+6.792·107 ±1.535 keV/c21937
69Gastab.60.1 ±0.05 %3/2-3.997 ±0.0017 fm6.892·107 ±1.285 keV/c21923
70Ga21.14 ±5 msyn.1+6.992·107 ±1.289 keV/c21937
71Gastab.39.89 ±0.05 %3/2-4.011 ±0.0018 fm7.092·107 ±0.87 keV/c21923
72Ga14.1 ±2 hsyn.3-7.192·107 ±0.878 keV/c21939
73Ga4.86 ±3 hsyn.1/2-7.292·107 ±1.8 keV/c21949
74Ga8.12 ±12 msyn.(3-)7.392·107 ±3.214 keV/c21956
75Ga126 ±2 ssyn.3/2-7.492·107 ±0.72 keV/c21960
76Ga32.6 ±6 ssyn.(2+ 3+)7.592·107 ±2.1 keV/c21961
77Ga13.2 ±2 ssyn.3/2(-)7.692·107 ±2.6 keV/c21968
78Ga5.09 ±5 ssyn.(3+)7.793·107 ±1.127 keV/c21972
79Ga2.848 ±3 ssyn.3/2(-)7.893·107 ±1.296 keV/c21974
80Ga1.9 ±1 ssyn.6(-)7.993·107 ±3.103 keV/c21974
81Ga1.217 ±5 ssyn.(5/2-)8.093·107 ±3.503 keV/c21976
82Ga0.6 ±2 ssyn.(2-)8.194·107 ±2.604 keV/c21976
83Ga308.1 ±10 mssyn.8.294·107 ±2.804 keV/c21976
84Ga95.2 ±24 mssyn.(0-)8.395·107 ±32 keV/c21991
85Ga92 ±4 mssyn.(5/2-)8.495·107 ±40 keV/c21997
86Ga43 ± mssyn.8.596·107 ±429 keV/c21997
87Ga634 nssyn.8.696·107 ±537 keV/c22010

59GaGallium-59

Classificationz: 31; n: 28; m: 59
Half life43 ns
Natural abundancesynthetic nuclide
Decay modesproton emission
Mass excess-33,760 ±170 keV
Binding energy8,232 ±3 keV
Single-particle energy-1,250 ±178 keV
Neutron separation energy18,290 ±345 keV
Q value for electron capture13,450 ±170 keV
β⁻ decay energy-17,390 ±434 keV
β⁻ decay energy with neutron-34,260 ±528 keV
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60GaGallium-60

Classificationz: 31; n: 29; m: 60
Half life70 ±13 ms
Natural abundancesynthetic nuclide
Spin/parity(2+)
Decay modeselectron capture + β⁺ decay; β⁺ decay + proton emission; β⁺ decay + α decay
Discovery1995
Mass excess-39,590 ±200 keV
Binding energy8,327 ±3 keV
Single-particle energy-336 ±200 keV
Neutron separation energy13,900 ±263 keV
Q value for electron capture14,580 ±200 keV
β⁻ decay energy-12,060 ±361 keV
β⁻ decay energy with neutron-31,300 ±447 keV
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61GaGallium-61

Classificationz: 31; n: 30; m: 61
Half life167 ±3 ms
Natural abundancesynthetic nuclide
Spin/parity3/2-
Decay modeselectron capture + β⁺ decay; electron capture + proton emission
Discovery1987
Mass excess-47,140 ±37.99 keV
Binding energy8,446 ±0.6228 keV
Single-particle energy249.1 ±37.99 keV
Neutron separation energy15,610 ±204 keV
Q value for electron capture9,214 ±41.18 keV
β⁻ decay energy-13,350 ±302 keV
β⁻ decay energy with neutron-27,680 ±302 keV
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62GaGallium-62

Classificationz: 31; n: 31; m: 62
Half life116.1 ±21 ms
Natural abundancesynthetic nuclide
Spin/parity0+
Decay modeselectron capture + β⁺ decay; electron capture + proton emission
Discovery1978
Mass excess-51,990 ±0.637 keV
Binding energy8,518 ±0.0103 keV
Single-particle energy2,927 ±15.9 keV
Neutron separation energy12,920 ±37.99 keV
Q value for electron capture9,181 ±0.885 keV
β⁻ decay energy-9,847 ±140 keV
β⁻ decay energy with neutron-26,270 ±300 keV
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63GaGallium-63

Classificationz: 31; n: 32; m: 63
Half life32.4 ±5 s
Natural abundancesynthetic nuclide
Spin/parity3/2-
Decay modeselectron capture + β⁺ decay
Discovery1965
Mass excess-56,550 ±1.304 keV
Binding energy8,583 ±0.0207 keV
Single-particle energy2,667 ±1.441 keV
Neutron separation energy12,630 ±1.451 keV
Q value for electron capture5,666 ±2.033 keV
β⁻ decay energy-9,626 ±37.28 keV
β⁻ decay energy with neutron-22,480 ±140 keV
Magnetic dipole moment0.1468 ±5·10-4 μN
Electric quadrupole moment0.212 ±0.014 b
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64GaGallium-64

Classificationz: 31; n: 33; m: 64
Half life2.627 ±12 m
Natural abundancesynthetic nuclide
Spin/parity0+
Decay modeselectron capture + β⁺ decay
Discovery1953
Mass excess-58,840 ±1.429 keV
Binding energy8,611 ±0.0223 keV
Single-particle energy3,908 ±2.065 keV
Neutron separation energy10,350 ±1.934 keV
Q value for electron capture7,171 ±1.567 keV
β⁻ decay energy-4,518 ±3.99 keV
β⁻ decay energy with neutron-19,990 ±37.28 keV
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65GaGallium-65

Classificationz: 31; n: 34; m: 65
Half life15.2 ±2 m
Natural abundancesynthetic nuclide
Spin/parity3/2-
Decay modeselectron capture + β⁺ decay
Discovery1938
Mass excess-62,660 ±0.791 keV
Binding energy8,662 ±0.0122 keV
Single-particle energy3,942 ±0.6153 keV
Neutron separation energy11,890 ±1.568 keV
Q value for electron capture3,254 ±1.021 keV
β⁻ decay energy-6,180 ±2.304 keV
β⁻ decay energy with neutron-16,420 ±3.809 keV
Magnetic dipole moment1.773 ±0.003 μN
Electric quadrupole moment0.21 ±0.015 b
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66GaGallium-66

Classificationz: 31; n: 35; m: 66
Half life9.49 ±3 h
Natural abundancesynthetic nuclide
Spin/parity0+
Decay modeselectron capture + β⁺ decay
Discovery1937
Mass excess-63,730 ±1.092 keV
Binding energy8,669 ±0.0166 keV
Single-particle energy5,100 ±1.217 keV
Neutron separation energy9,137 ±1.308 keV
Q value for electron capture5,175 ±1.3 keV
β⁻ decay energy-2,117 ±2.637 keV
β⁻ decay energy with neutron-15,320 ±2.424 keV
Magnetic dipole moment0.89 ±0.02 μN
Electric quadrupole moment0.78 ±0.04 b
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67GaGallium-67

Classificationz: 31; n: 36; m: 67
Half life3.261 ±5 d
Natural abundancesynthetic nuclide
Spin/parity3/2-
Decay modeselectron capture (EC)
Discovery1938
Mass excess-66,880 ±1.176 keV
Binding energy8,707 ±0.0176 keV
Single-particle energy5,268 ±1.131 keV
Neutron separation energy11,220 ±1.385 keV
Q value for electron capture1,001 ±1.39 keV
β⁻ decay energy-4,206 ±4.406 keV
β⁻ decay energy with neutron-13,350 ±2.673 keV
Magnetic dipole moment1.849 ±5·10-4 μN
Electric quadrupole moment0.197 ±0.002 b
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68GaGallium-68

Classificationz: 31; n: 37; m: 68
Half life67.71 ±8 m
Natural abundancesynthetic nuclide
Spin/parity1+
Decay modeselectron capture + β⁺ decay
Discovery1937
Mass excess-67,090 ±1.43 keV
Binding energy8,701 ±0.021 keV
Single-particle energy6,494 ±1.215 keV
Neutron separation energy8,278 ±1.652 keV
Q value for electron capture2,921 ±1.6 keV
β⁻ decay energy-107.3 ±2.359 keV
β⁻ decay energy with neutron-12,490 ±4.437 keV
Magnetic dipole moment0.01174 ±7·10-5 μN
Electric quadrupole moment-0.0277 ±0.0014 b
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69GaGallium-69

Classificationz: 31; n: 38; m: 69
Half lifestable nuclide
Natural abundance60.1 ±0.05 %
Spin/parity3/2-
Discovery1923
Mass excess-69,330 ±1.197 keV
Binding energy8,724 ±0.0174 keV
Single-particle energy6,609 ±1.414 keV
Neutron separation energy10,310 ±1.854 keV
Q value for electron capture-910 ±1.437 keV
β⁻ decay energy-2,228 ±0.55 keV
β⁻ decay energy with neutron-10,430 ±2.225 keV
Magnetic dipole moment2.015 ±6·10-5 μN
Electric quadrupole moment0.171 ±0.002 b
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70GaGallium-70

Classificationz: 31; n: 39; m: 70
Half life21.14 ±5 m
Natural abundancesynthetic nuclide
Spin/parity1+
Decay modesβ⁻ decay; electron capture (EC)
Discovery1937
Mass excess-68,920 ±1.201 keV
Binding energy8,709 ±0.0172 keV
Single-particle energy7,781 ±1.426 keV
Neutron separation energy7,653 ±0.1696 keV
Q value for electron capture654.5 ±2.263 keV
β⁻ decay energy1,651 ±1.452 keV
β⁻ decay energy with neutron-9,881 ±0.5755 keV
Magnetic dipole moment0.571 ±0.002 μN
Electric quadrupole moment0.105 ±0.007 b
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71GaGallium-71

Classificationz: 31; n: 40; m: 71
Half lifestable nuclide
Natural abundance39.89 ±0.05 %
Spin/parity3/2-
Discovery1923
Mass excess-70,140 ±0.811 keV
Binding energy8,717 ±0.0114 keV
Single-particle energy7,863 ±2.078 keV
Neutron separation energy9,300 ±1.447 keV
Q value for electron capture-2,811 ±2.775 keV
β⁻ decay energy-232.5 ±0.0934 keV
β⁻ decay energy with neutron-7,649 ±0.1411 keV
Magnetic dipole moment2.56 ±9·10-5 μN
Electric quadrupole moment0.107 ±0.001 b
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72GaGallium-72

Classificationz: 31; n: 41; m: 72
Half life14.1 ±2 h
Natural abundancesynthetic nuclide
Spin/parity3-
Decay modesβ⁻ decay
Discovery1939
Mass excess-68,590 ±0.818 keV
Binding energy8,687 ±0.0114 keV
Single-particle energy8,548 ±2.776 keV
Neutron separation energy6,520 ±0.1888 keV
Q value for electron capture-442.8 ±2.293 keV
β⁻ decay energy3,997 ±0.8217 keV
β⁻ decay energy with neutron-6,753 ±0.2106 keV
Magnetic dipole moment-0.1322 ±2·10-5 μN
Electric quadrupole moment0.53 ±0.006 b
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73GaGallium-73

Classificationz: 31; n: 42; m: 73
Half life4.86 ±3 h
Natural abundancesynthetic nuclide
Spin/parity1/2-
Decay modesβ⁻ decay
Discovery1949
Mass excess-69,700 ±1.677 keV
Binding energy8,693 ±0.023 keV
Single-particle energy8,842 ±2.72 keV
Neutron separation energy9,182 ±1.865 keV
Q value for electron capture-4,106 ±2.507 keV
β⁻ decay energy1,598 ±1.677 keV
β⁻ decay energy with neutron-5,185 ±1.678 keV
Magnetic dipole moment0.209 ±0.002 μN
Electric quadrupole moment0.209 ±0.002 b
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74GaGallium-74

Classificationz: 31; n: 43; m: 74
Half life8.12 ±12 m
Natural abundancesynthetic nuclide
Spin/parity(3-)
Decay modesβ⁻ decay
Discovery1956
Mass excess-68,050 ±2.994 keV
Binding energy8,663 ±0.0405 keV
Single-particle energy9,745 ±3.526 keV
Neutron separation energy6,421 ±3.431 keV
Q value for electron capture-2,293 ±3.91 keV
β⁻ decay energy5,372 ±2.994 keV
β⁻ decay energy with neutron-4,824 ±2.994 keV
Electric quadrupole moment0.55 ±0.04 b
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75GaGallium-75

Classificationz: 31; n: 44; m: 75
Half life126 ±2 s
Natural abundancesynthetic nuclide
Spin/parity3/2-
Decay modesβ⁻ decay
Discovery1960
Mass excess-68,470 ±0.671 keV
Binding energy8,660 ±0.0089 keV
Single-particle energy9,992 ±2.602 keV
Neutron separation energy8,482 ±3.068 keV
Q value for electron capture-5,902 ±2.068 keV
β⁻ decay energy3,396 ±0.6727 keV
β⁻ decay energy with neutron-3,110 ±0.6708 keV
Magnetic dipole moment1.835 ±0.004 μN
Electric quadrupole moment-0.285 ±0.017 b
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76GaGallium-76

Classificationz: 31; n: 45; m: 76
Half life32.6 ±6 s
Natural abundancesynthetic nuclide
Spin/parity(2+ 3+)
Decay modesβ⁻ decay
Discovery1961
Mass excess-66,300 ±1.956 keV
Binding energy8,624 ±0.0257 keV
Single-particle energy11,020 ±2.766 keV
Neutron separation energy5,907 ±2.067 keV
Q value for electron capture-3,994 ±2.438 keV
β⁻ decay energy6,916 ±1.956 keV
β⁻ decay energy with neutron-2,511 ±1.956 keV
Magnetic dipole moment-0.945 ±0.004 μN
Electric quadrupole moment0.33 ±0.02 b
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77GaGallium-77

Classificationz: 31; n: 46; m: 77
Half life13.2 ±2 s
Natural abundancesynthetic nuclide
Spin/parity3/2(-)
Decay modesβ⁻ decay
Discovery1968
Mass excess-66,000 ±2.422 keV
Binding energy8,613 ±0.0315 keV
Single-particle energy10,970 ±2.825 keV
Neutron separation energy7,767 ±3.113 keV
Q value for electron capture-7,204 ±3.124 keV
β⁻ decay energy5,220 ±2.422 keV
β⁻ decay energy with neutron-850.8 ±2.421 keV
Magnetic dipole moment2.018 ±0.003 μN
Electric quadrupole moment-0.208 ±0.013 b
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78GaGallium-78

Classificationz: 31; n: 47; m: 78
Half life5.09 ±5 s
Natural abundancesynthetic nuclide
Spin/parity(3+)
Decay modesβ⁻ decay
Discovery1972
Mass excess-63,710 ±1.051 keV
Binding energy8,577 ±0.0135 keV
Single-particle energy12,200 ±2.234 keV
Neutron separation energy5,783 ±2.639 keV
Q value for electron capture-6,221 ±2.21 keV
β⁻ decay energy8,157 ±3.688 keV
β⁻ decay energy with neutron-562.6 ±1.052 keV
Magnetic dipole moment-1.214 ±0.005 μN
Electric quadrupole moment0.33 ±0.02 b
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79GaGallium-79

Classificationz: 31; n: 48; m: 79
Half life2.848 ±3 s
Natural abundancesynthetic nuclide
Spin/parity3/2(-)
Decay modesβ⁻ decay; β⁻ decay with neutron emission
Discovery1974
Mass excess-62,550 ±1.208 keV
Binding energy8,556 ±0.0153 keV
Single-particle energy12,350 ±2.286 keV
Neutron separation energy6,915 ±1.6 keV
Q value for electron capture-9,117 ±2.532 keV
β⁻ decay energy6,978 ±37.14 keV
β⁻ decay energy with neutron1,242 ±3.736 keV
Magnetic dipole moment1.046 ±0.003 μN
Electric quadrupole moment0.158 ±0.01 b
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80GaGallium-80

Classificationz: 31; n: 49; m: 80
Half life1.9 ±1 s
Natural abundancesynthetic nuclide
Spin/parity6(-)
Decay modesβ⁻ decay; β⁻ decay with neutron emission
Discovery1974
Mass excess-59,230 ±2.891 keV
Binding energy8,508 ±0.0361 keV
Single-particle energy13,080 ±3.644 keV
Neutron separation energy4,746 ±3.13 keV
Q value for electron capture-7,576 ±3.878 keV
β⁻ decay energy10,310 ±3.54 keV
β⁻ decay energy with neutron2,232 ±37.27 keV
Magnetic dipole moment0.036 ±0.004 μN
Electric quadrupole moment0.38 ±0.02 b
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81GaGallium-81

Classificationz: 31; n: 50; m: 81
Half life1.217 ±5 s
Natural abundancesynthetic nuclide
Spin/parity(5/2-)
Decay modesβ⁻ decay; β⁻ decay with neutron emission
Discovery1976
Mass excess-57,630 ±3.264 keV
Binding energy8,483 ±0.0403 keV
Single-particle energy13,260 ±4.162 keV
Neutron separation energy6,475 ±4.355 keV
Q value for electron capture-11,430 ±5.996 keV
β⁻ decay energy8,663 ±3.85 keV
β⁻ decay energy with neutron3,836 ±3.85 keV
Magnetic dipole moment1.746 ±0.005 μN
Electric quadrupole moment-0.048 ±0.008 b
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82GaGallium-82

Classificationz: 31; n: 51; m: 82
Half life0.6 ±2 s
Natural abundancesynthetic nuclide
Spin/parity(2-)
Decay modesβ⁻ decay; β⁻ decay with neutron emission
Discovery1976
Mass excess-52,940 ±2.426 keV
Binding energy8,421 ±0.0296 keV
Single-particle energy14,020 ±5.584 keV
Neutron separation energy3,374 ±4.061 keV
Q value for electron capture-10,620 ±3.916 keV
β⁻ decay energy12,480 ±3.296 keV
β⁻ decay energy with neutron5,289 ±3.172 keV
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83GaGallium-83

Classificationz: 31; n: 52; m: 83
Half life308.1 ±10 ms
Natural abundancesynthetic nuclide
Decay modesβ⁻ decay; β⁻ decay with neutron emission
Discovery1976
Mass excess-49,260 ±2.612 keV
Binding energy8,372 ±0.0315 keV
Single-particle energy14,230 ±4.034 keV
Neutron separation energy4,397 ±3.559 keV
Q value for electron capture-12,970 ±300 keV
β⁻ decay energy11,710 ±3.559 keV
β⁻ decay energy with neutron8,086 ±3.435 keV
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84GaGallium-84

Classificationz: 31; n: 53; m: 84
Half life95.2 ±24 ms
Natural abundancesynthetic nuclide
Spin/parity(0-)
Decay modesβ⁻ decay; β⁻ decay with neutron emission; β⁻ decay with two-neutron emission
Discovery1991
Mass excess-44,100 ±29.8 keV
Binding energy8,307 ±0.3549 keV
Single-particle energy15,090 ±301 keV
Neutron separation energy2,908 ±29.92 keV
Q value for electron capture-12,270 ±401.1 keV
β⁻ decay energy14,050 ±29.97 keV
β⁻ decay energy with neutron8,810 ±29.9 keV
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85GaGallium-85

Classificationz: 31; n: 54; m: 85
Half life92 ±4 ms
Natural abundancesynthetic nuclide
Spin/parity(5/2-)
Decay modesβ⁻ decay; β⁻ decay with neutron emission
Discovery1997
Mass excess-39,750 ±37.26 keV
Binding energy8,253 ±0.4384 keV
Single-particle energy15,200 ±401 keV
Neutron separation energy3,721 ±47.71 keV
Q value for electron capture-14,650 ±501.3 keV
β⁻ decay energy13,370 ±37.44 keV
β⁻ decay energy with neutron10,330 ±37.39 keV
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86GaGallium-86

Classificationz: 31; n: 55; m: 86
Half life43 ± ms
Natural abundancesynthetic nuclide
Decay modesβ⁻ decay; β⁻ decay with neutron emission; β⁻ decay with two-neutron emission
Discovery1997
Mass excess-33,760 ±400 keV
Binding energy8,182 ±5 keV
Single-particle energy15,940 ±640 keV
Neutron separation energy2,087 ±401 keV
β⁻ decay energy15,640 ±593 keV
β⁻ decay energy with neutron11,290 ±400 keV
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87GaGallium-87

Classificationz: 31; n: 56; m: 87
Half life634 ns
Natural abundancesynthetic nuclide
Decay modesβ⁻ decay; β⁻ decay with neutron emission; β⁻ decay with two-neutron emission
Discovery2010
Mass excess-28,870 ±500 keV
Binding energy8,124 ±6 keV
Single-particle energy16,090 ±707 keV
Neutron separation energy3,181 ±640 keV
β⁻ decay energy14,720 ±583 keV
β⁻ decay energy with neutron12,450 ±665 keV
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