104-Rutherfordium
Nuclide weight or level energy spin & parity abundance half-life sig(J32) sig(J33) sig(J40)
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Rf-253 253.100656 +- 0.000440 (7/2) 13MS 5
Rf-254 254.100051 +- 0.000304 0+ 23US 3
Rf-255 255.101172 +- 0.000123 (9/2-) 1.68S 9
Rf-256 256.101147704 +- 0.000019183 0+ 6.4MS 2
Rf-257 257.102918980 +- 0.000011660 (1/2+) 4.7S 3
Rf-257 3.9S 4
Rf-258 258.103428398 +- 0.000034438 0+ 12MS 2
Rf-259 259.105596 +- 0.000078 3.2S 6
Rf-260 260.106442 +- 0.000215 0+ 20.1MS 7
Rf-261 261.108775848 +- 0.000039258 65S 10
Rf-261 m 2.40000E+02 keV HI 78S +11 -6
Rf-262 262.109926 +- 0.000304 0+ 2.1S 2
Rf-263 263.112549 +- 0.000196 3/2+ 15M AP
Rf-265 265.116834 +- 0.000456 13H
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