14-Silicon
Nuclide weight or level energy spin & parity abundance half-life sig(J32) sig(J33) sig(J40)
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Si-nat 28.0855 +- 0.0003 XXX XXX
Si- 22 22.035430 +- 0.000430 0+ 29MS 2
Si- 23 23.024770 +- 0.000430 42.3MS 4
Si- 24 24.011545614 +- 0.000020904 0+ 140MS 8
Si- 25 25.004108046 +- 0.000010735 5/2+ 220MS 3
Si- 26 25.992333846 +- 0.000000114 0+ 2.234S 13
Si- 27 26.986704857 +- 0.000000152 5/2+ 4.16S 2
Si- 28 27.97692653465 +- 0.00000000044 0+ 92.223 stable XXX XXX XXX
Si- 29 28.97649466475 +- 0.00000000050 1/2+ 4.685 stable XXX XXX XXX
Si- 30 29.973770136 +- 0.000000023 0+ 3.092 stable XXX XXX XXX
Si- 31 30.975363195 +- 0.000000046 3/2+ 157.3M 3
Si- 32 31.974151538 +- 0.000000320 0+ 153Y 19
Si- 33 32.977976964 +- 0.000000750 (3/2+) 6.18S 18
Si- 34 33.978575541 +- 0.000015155 0+ 2.77S 20
Si- 35 34.984583473 +- 0.000041236 0.78S 12
Si- 36 35.986669104 +- 0.000060931 0+ 0.45S 6
Si- 37 36.992920740 +- 0.000089074 90MS 60
Si- 38 37.995523000 +- 0.000075000 0+ unknown
Si- 39 39.002491000 +- 0.000097000 47.5MS 20
Si- 40 40.005829000 +- 0.000247000 0+ 33.0MS 10
Si- 41 41.013011000 +- 0.000397000 20.0MS 25
Si- 42 42.017780 +- 0.000540 0+ 12.5MS 35
Si- 43 43.024800 +- 0.000860 unknown
Si- 44 44.030610 +- 0.000860 unknown
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