64-Gadolinium
Nuclide weight or level energy spin & parity abundance half-life sig(J32) sig(J33) sig(J40)
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Gd-nat 157.25 +- 0.03 XXX
Gd-135 134.952770 +- 0.000540 1.1S 2
Gd-136 135.947480 +- 0.000430 0+ unknown
Gd-137 136.945020 +- 0.000430 7/2 2.2S 2
Gd-138 137.940250 +- 0.000210 0+ 4.7S 9
Gd-139 138.938130 +- 0.000210 (9/2-) 5.8S 9
Gd-139 4.8S 9
Gd-140 139.933674000 +- 0.000030000 0+ 15.8S 4
Gd-141 140.932126000 +- 0.000021213 1/2+ 14S 4
Gd-141 m 3.77800E+02 keV 11/2- 24.5S 5
Gd-142 141.928116000 +- 0.000030000 0+ 70.2S 6
Gd-143 142.926749539 +- 0.000215032 (1/2)+ 39S 2
Gd-143 m 1.52600E+02 keV (11/2-) 110.0S 14
Gd-144 143.922963000 +- 0.000030000 0+ 4.47M 6
Gd-145 144.921709252 +- 0.000020135 1/2+ 23.0M 4
Gd-145 m 7.49100E+02 keV 11/2- 85S 3
Gd-146 145.918317163 +- 0.000004806 0+ 48.27D 10
Gd-147 146.919101103 +- 0.000002921 7/2- 38.1H 1
Gd-148 147.918121154 +- 0.000002668 0+ 74.6Y 30
Gd-149 148.919347853 +- 0.000003939 7/2- 9.28D 10
Gd-150 149.918664987 +- 0.000006626 0+ 1.79E6Y 8
Gd-151 150.920356152 +- 0.000003513 7/2- 124D 1
Gd-152 151.919799226 +- 0.000001803 0+ 0.20 1.08E+14Y 8 XXX XXX XXX
Gd-153 152.921757764 +- 0.000001800 3/2- 240.4D 10 XXX
Gd-154 153.920873805 +- 0.000001795 0+ 2.18 stable XXX XXX XXX
Gd-155 154.922630224 +- 0.000001790 3/2- 14.80 stable XXX XXX XXX
Gd-155 m 1.21050E+02 keV 11/2- 31.97MS 27
Gd-156 155.922130947 +- 0.000001790 0+ 20.47 stable XXX XXX XXX
Gd-157 156.923968345 +- 0.000001790 3/2- 15.65 stable XXX XXX XXX
Gd-158 157.924112124 +- 0.000001790 0+ 24.84 stable XXX XXX XXX
Gd-159 158.926396746 +- 0.000001793 3/2- 18.479H 4
Gd-160 159.927062344 +- 0.000001883 0+ 21.86 stable XXX XXX XXX
Gd-161 160.929677409 +- 0.000002168 5/2- 3.66M 5
Gd-162 161.930992950 +- 0.000004493 0+ 8.4M 2
Gd-163 162.934004459 +- 0.000075298 (5/2-,7/2+) 68S 3
Gd-164 163.935740 +- 0.000430 0+ 45S 3
Gd-165 164.939230 +- 0.000540 10.3S 16
Gd-166 165.941460 +- 0.000640 0+ 4.8S 10
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