Nuclear Wallet Card - Z( 97)
Isotope[1] delta T1/2 or
Z El A Jpi[2] (MeV)[3] Abundance[4] Decay Mode[5]
=== === ==== ======= ========= ============= =====================
97 Bk 238 54.3s 144 s 5 EC,EF 0.048%
240 55.7s 4.8 m 8 EC ~100%,EF w%
241 (7/2+) 56.1s ?
242 57.8s 7.0 m 13 EC
242M 57.8s 9.5 NS 20 SF > 0%
242M 57.8s 600 NS 100 SF > 0%
243 (3/2-) 58.685 4.5 h 2 EC ~ 99.85%,A ~ 0.15%
244 (1-) 60.70 4.35 h 15 EC 99.994%,A 6.0E-3%
244M 60.70 820 NS 60 SF
245 3/2- 61.809 4.94 d 3 EC 99.88%,A 0.12%
246 2(-) 63.96 1.80 d 2 EC,A < 0.2%
247 (3/2-) 65.482 1380 y 250 A
248 1(-) 68.10 23.7 h 2 B- 70%,EC 30%
A <0.001%
248 (6+) 68.10 > 9 y A > 70%
249 7/2+ 69.843 320 d 6 B-,A 1.4E-3%,SF 4.7E-8%
250 2- 72.945 3.217 h 5 B-
251 (3/2-) 75.22 55.6 m 11 B-,A ~1.0E-5%
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