34-Selenium
Nuclide weight or level energy spin & parity abundance half-life sig(J32) sig(J33) sig(J40)
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Se-nat 78.96 +- 0.03 XXX
Se- 64 63.971090 +- 0.000540 unknown
Se- 65 64.964660 +- 0.000640 unknown
Se- 66 65.955210 +- 0.000320 0+ 33MS 12
Se- 67 66.949994000 +- 0.000072000 136MS 12
Se- 68 67.941825215 +- 0.000000540 0+ 35.5S 7
Se- 69 68.939558583 +- 0.000036701 (3/2-) 27.4S 2
Se- 70 69.933515523 +- 0.000001700 0+ 41.1M 3
Se- 71 70.932209433 +- 0.000003000 5/2- 4.74M 5
Se- 72 71.927140507 +- 0.000002100 0+ 8.40D 8
Se- 73 72.926755005 +- 0.000007973 9/2+ 7.15H 8
Se- 73 m 2.57100E+01 keV 3/2- 39.8M 13
Se- 74 73.922476448 +- 0.000000337 0+ 0.89 stable XXX XXX XXX
Se- 75 74.922523382 +- 0.000000329 5/2+ 119.79D 4
Se- 76 75.919213793 +- 0.000000080 0+ 9.37 stable XXX XXX XXX
Se- 77 76.919914243 +- 0.000000103 1/2- 7.63 stable XXX XXX XXX
Se- 77 m 1.62000E+02 keV 7/2+ 17.36S 5
Se- 78 77.917309368 +- 0.000000210 0+ 23.77 stable XXX XXX XXX
Se- 79 78.918499375 +- 0.000000254 7/2+ 2.95E+5Y 38(*) XXX XXX XXX
Se- 79 m 9.57700E+01 keV 1/2- 3.92M 1
Se- 80 79.916521349 +- 0.000001578 0+ 49.61 stable XXX XXX XXX
Se- 81 80.917992553 +- 0.000001623 1/2- 18.45M 12
Se- 81 m 1.03000E+02 keV 7/2+ 57.28M 2
Se- 82 81.916699401 +- 0.000001661 0+ 8.73 0.83E+20Y 8 XXX XXX XXX
Se- 83 82.919118473 +- 0.000003623 9/2+ 22.3M 3
Se- 83 m 2.28500E+02 keV 1/2- 70.1S 4
Se- 84 83.918466794 +- 0.000002106 0+ 3.1M 1
Se- 85 84.922260763 +- 0.000002805 (5/2+) 31.7S 9
Se- 86 85.924311736 +- 0.000002705 0+ 15.3S 9
Se- 87 86.928688621 +- 0.000002406 (5/2+) 5.29S 11
Se- 88 87.931417494 +- 0.000003604 0+ 1.53S 6
Se- 89 88.936669063 +- 0.000004003 (5/2+) 0.41S 4
Se- 90 89.939960 +- 0.000430 0+ unknown
Se- 91 90.945960 +- 0.000540 0.27S 5
Se- 92 91.949840 +- 0.000640 unknown
Se- 93 92.956290 +- 0.000860 unknown
Se- 94 93.960490 +- 0.000860 unknown
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(*) [ 3.77E+5Y 19 ] was determined newly by P. Bienvenu et al. in “A new determination of 79Se half-life,” Appl. Radiat. Isot., 65(3), 355-364 (2007).