Nuclear Wallet Card - Z(104)
Isotope[1] delta T1/2 or
Z El A Jpi[2] (MeV)[3] Abundance[4] Decay Mode[5]
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104 Rf 253 C ~ 1.8 s A ~ 50%,SF ~ 50%
254 0+ C 0.5 ms 2 SF,A ~ 0.3%
255 (9/2-) 94.s 1.5 s 2 SF 52%,A 48%
256 0+ 94.25 6.7 ms 2 SF 98%,A 2.2%
257 (7/2+) 96.2s 4.7 s 3 A 79.6%,EC 18%
SF 2.4%
258 0+ 96.4s 12 ms 2 SF ~ 87%,A ~ 13%
259 98.38s 3.1 s 7 A 93%,SF 7%,EC ~ 0.3%
260 0+ 99.2s 20.1 ms 7 SF ~ 98%,A ~ 2%
261 101.5s 65 s 10 A > 80%,EC <= 10%
SF < 10%
262 0+ 102.5s 1.2 s +10-5 SF
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