141 Sm
62 79
Half life: 10.2 m 2
Jp: 1/2+
Decay mode: e+b+
Sn (keV): 8558 19
Sp (keV): 4805 32
Prod. mode: Charged particle reaction
Literature cut-off date: 31-Aug-1989
Author(s): L.K. Peker
ENSDF citation: NDS 63,573 (1991)

Decay properties

Mode Branching (%) Q-value (keV)
e+b+ 100 4529 27

Gammas from 141Sm (10.2 m 2)

Eg (keV) Ig (%) Decay mode
324.6 1 2.5 3 e+b+
403.8 1 43 e+b+
438.8 1 37.7 13 e+b+
728.4 3 1.3 3 e+b+
767.5 3 1.15 9 e+b+
854.3 2 1.32 9 e+b+
888.5 3 0.64 9 e+b+
1046.4 2 1.49 13 e+b+
1057.1 2 3.27 21 e+b+
1091.9 2 2.59 17 e+b+
1292.6 2 6.8 4 e+b+
1336.5 4 0.51 17 e+b+
1352.7 4 0.38 17 e+b+
1446.6 4 0.30 9 e+b+
1463.9 4 1.9 4 e+b+
1481.0 5 0.51 9 e+b+
1495.7 2 1.79 13 e+b+
1499.1 4 0.60 9 e+b+
1515.3 3 0.68 9 e+b+
1565.9 5 0.21 9 e+b+
1587.9 5 0.26 13 e+b+
1599.9 5 0.6 3 e+b+
1600.7 3 4.0 4 e+b+
1634.1 3 0.34 9 e+b+
1885.0 3 0.72 9 e+b+
1902.4 3 0.89 9 e+b+
1992.1 4 0.68 9 e+b+
2004.8 3 0.89 9 e+b+
2037.8 3 2.80 21 e+b+

X-rays from 141Sm (10.2 m 2)

E (keV) I (%) Assignment
4,809 0.101 10 Pm Ll
5,363 0.038 3 Pm Lh
5,408 0.271 17 Pm La2
5,432 2.45 15 Pm La1
5,957 0.140 21 Pm Lb4
5,961 1.52 12 Pm Lb1
6,071 0.23 4 Pm Lb3
6,128 0.0220 14 Pm Lb6
6,339 0.52 4 Pm Lb2
6,892 0.249 20 Pm Lg1
7,186 0.043 7 Pm Lg2
7,186 0.061 10 Pm Lg3
37,756 0.00240 9 Pm Ka3
38,171 11.0 3 Pm Ka2
38,725 20.0 6 Pm Ka1
43,713 1.95 6 Pm Kb3
43,827 3.76 11 Pm Kb1
44,145 0.0540 24 Pm Kb5
44,942 1.23 4 Pm Kb2
45,064 0.465 21 Pm Kb4

Betas from 141Sm (10.2 m 2)

>Eb endpoint (keV) Ib (%) Decay mode
1470,1 0.60 4 b+
1503,3 0.89 6 b+
1515,8 0.157 11 b+
1605,4 0.69 4 b+
1623,1 0.313 19 b+
1992,7 0.237 13 b+
2012,3 3.03 15 b+
2215,5 3.56 12 b+
2461,6 0.73 4 b+
2492,1 3.10 8 e
2525,3 4.31 12 e
2537,8 0.743 22 e
2627,4 2.71 8 e
2645,1 1.19 4 e
2779,7 1.50 6 b+
3014,7 0.473 22 e
3034,3 5.87 23 e
3069,71 20.0 4 b+
3104,2 21.0 4 b+
3237,5 5.14 14 e
3483,6 0.77 4 e
3801,7 1.10 5 e
4091,71 10.8 3 e
4126,2 11.0 3 e