Nuclear Wallet Card - Z( 93)
Isotope[1] delta T1/2 or
Z El A Jpi[2] (MeV)[3] Abundance[4] Decay Mode[5]
=== === ==== ======= ========= ============= =====================
93 Np 226 32.7s 31 ms 8 A
227 32.56 0.51 s 6 A
228 33.7s 1.07 m 3 EC ,EF
229 33.76 3.85 m 14 A > 50%,EC < 50%
230 35.21 4.6 m 3 EC <= 97%,A >= 3%
231 (5/2) 35.61 48.8 m 2 EC 98%,A 2%
232 (4+) 37.30s 14.7 m 3 EC
233 (5/2+) 38.1s 36.2 m 1 EC,A <=1.0E-3%
234 (0+) 39.950 4.4 d 1 EC
235 5/2+ 41.037 396.1 d 12 EC,A 2.6E-3%
236 (6-) 43.38 154E+3 y 6 EC 87.3%,B- 12.5%
A 0.16%
236M 1 43.44 22.5 h 4 EC 52%,B- 48%
237 5/2+ 44.867 2.144E+6 y 7 A,SF <= 2E-10%
237M 47.667 45 NS 5 SF
238 2+ 47.450 2.117 d 2 B-
239 5/2+ 49.304 2.3565 d 4 B-
240 (5+) 52.32 61.9 m 2 B-
240M 1(+) 52.32 7.22 m 2 B- 99.89%,IT 0.11%
241 (5/2+) 54.26 13.9 m 2 B-
242 (1+) 57.4 2.2 m 2 B-
242 (6) 57.4 5.5 m 1 B-
243 (5/2-) 59.92 1.85 m 15 B-
244 (7-) 63.45C 2.29 m 16
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