Neptunium Decay Chain - Panasonic PT-DZ12000U Operating Instructions Manual

st
1 Progeny
241
Pu decays ~100 % of the time by â to Am
the time by á to U
241
Pu Am
237
14.4y U
241 237
Am Np
432.2y
237 237
U Np
6.75d
237 233
Np Pa
2.14E6y
233 233
Pa U
27.0d
233 229
U Th
1.592E5y
229 225
Th Ra
7.34E3y
Neptunium Decay Chain (4n + 1)
237
241 -
â
á
á
ã
Np x-rays 14 (43)
-
â
ã
Np x-rays 4 (71), 97 (16), 101 (26), 114 (12)
á
ã
Pa x-rays 13.3 (59), 92 (1.58), 96 (2.6), 108 (1.2)
-
â
ã
U x-rays 14 (49), 96 (28), 111 (8)
á
Th x-rays 13 (3.9)
á
ã
Ra x-rays 12 (81), 85 (16), 100 (12)
kev and % abundance
-
21 (~100.0)
4850 (0.0003), 4900 (0.0019)
5440 (13), 5490 (85)
26 (2.4), 33 (0.1), 59.5 (36)
248 (96)
26 (2.3), 59.5 (34), 208 (22)
4650 (12), 4780 (75)
30 (14), 86 (14), 145 (1)
145 (37), 257 (58), 568 (5)
75 (1.2), 87 (1.9), 311 (49)
4780 (15), 4820 (83)
4840 (58), 4900 (11), 5050 (7)
31 (4), 137 (2), 211 (3.3)
27
241
& 0.0023 % of