Nuclear Wallet Card - Z( 98)
Isotope[1] delta T1/2 or
Z El A Jpi[2] (MeV)[3] Abundance[4] Decay Mode[5]
=== === ==== ======= ========= ============= =====================
98 Cf 238 0+ 1 s ? SF < 25%
239 58.3s 39 s +37-12 A > 50%,EC ?%
240 0+ 58.0s 1.06 m 15 A ~100%
241 59.4s 3.78 m 70 EC ~ 75%,A ~ 25%
242 0+ 59.33 3.49 m 12 A > 0%
243 (1/2+) 60.9s 10.7 m 5 EC ~ 86%,A ~ 14%
244 0+ 61.469 19.4 m 6 A
245 (5/2+) 63.377 45.0 m 15 EC 64%,A 36%
246 0+ 64.085 35.7 h 5 A,EC <5.0E-4%
SF 2.0E-4%
247 (7/2+) 66.128 3.11 h 3 EC 99.97%,A 0.04%
248 0+ 67.233 333.5 d 28 A,SF 0.0029%
249 9/2- 69.719 351 y 2 A,SF 5.2E-7%
250 0+ 71.165 13.08 y 9 A 99.92%,SF 0.08%
251 1/2+ 74.127 898 y 44 A
252 0+ 76.027 2.645 y 8 A 96.91%,SF 3.09%
253 (7/2+) 79.293 17.81 d 8 B- 99.69%,A 0.31%
254 0+ 81.33 60.5 d 2 SF 99.69%,A 0.31%
255 (9/2+) 84.8s 85 m 18 B-
256 0+ C 12.3 m 12 SF,B- < 1%,A ~1.0E-6%
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