136 Sm
62 74
Half life: 47 s 2
Jp: 0+
Decay mode: e+b+
Sn (keV): 1.18E4 sy
Sp (keV): 3.9E3 sy
Literature cut-off date: 13-Jan-1993
Author(s): J.K. Tuli
ENSDF citation: NDS 71,1 (1994)

Decay properties

Mode Branching (%) Q-value (keV)
e+b+ 100 4.5E3 sy

Gammas from 136Sm (47 s 2)

Eg (keV) Ig (%) Decay mode
90.0 4 0.61 18 e+b+
91.1 5 0.22 7 e+b+
100.2 5 0.29 7 e+b+
114.4 2 36 4 e+b+
116.1 4 0.40 18 e+b+
123.4 3 2.2 4 e+b+
128.8 5 0.22 7 e+b+
134.9 4 0.50 7 e+b+
135.5 5 0.07 7 e+b+
140.6 3 ~0.36 e+b+
141.4 4 0.43 18 e+b+
163.3 4 0.54 11 e+b+
170.0 5 0.22 4 e+b+
172.4 3 0.83 18 e+b+
183.2 3 0.76 18 e+b+
185.0 3 0.68 18 e+b+
186.1 4 0.22 4 e+b+
192.0 4 0.32 7 e+b+
200.7 5 0.25 4 e+b+
206.9 5 0.54 18 e+b+
221.2 5 0.54 18 e+b+
270.4 4 0.65 18 e+b+
276.3 5 0.29 7 e+b+
286.8 2 4.3 11 e+b+
299.3 4 ~0.7 e+b+
299.3 4 2.2 4 e+b+
306.6 4 0.58 11 e+b+
313.6 2 4.7 11 e+b+
350.5 3 0.76 18 e+b+
371.0 5 0.65 18 e+b+
377.0 4 0.90 18 e+b+
380.0 3 0.72 11 e+b+
422.6 3 0.86 11 e+b+
448.7 3 0.97 11 e+b+
485.3 2 5.0 11 e+b+
515.6 5 0.14 4 e+b+
555.5 4 0.65 14 e+b+
747.7 2 5.4 7 e+b+
802.4 4 2.5 7 e+b+
1260.0 5 ~0.7 e+b+

X-rays from 136Sm (47 s 2)

E (keV) I (%) Assignment
4,809 0.12 4 Pm Ll
5,363 0.045 14 Pm Lh
5,408 0.32 10 Pm La2
5,432 2.8 9 Pm La1
5,957 0.16 5 Pm Lb4
5,961 1.8 5 Pm Lb1
6,071 0.26 9 Pm Lb3
6,128 0.026 8 Pm Lb6
6,339 0.60 18 Pm Lb2
6,892 0.29 9 Pm Lg1
7,186 0.048 16 Pm Lg2
7,186 0.068 23 Pm Lg3
37,756 0.0028 8 Pm Ka3
38,171 13 4 Pm Ka2
38,725 23 7 Pm Ka1
43,713 2.3 7 Pm Kb3
43,827 4.4 13 Pm Kb1
44,145 0.063 19 Pm Kb5
44,942 1.4 4 Pm Kb2
45,064 0.54 16 Pm Kb4

Betas from 136Sm (47 s 2)

>Eb endpoint (keV) Ib (%) Decay mode
2615,8 4.0 6 b+
2675,6 2.0 5 b+
2914,9 1.4 3 b+
2992,7 3.5 9 b+
3049,9 3.6 9 b+
3055,4 0.5 3 b+
3162,8 0.3 1 b+
3171,4 0.6 3 b+
3178,7 1.7 4 b+
3191,2 3.5 9 b+
3363,6 49 10 b+
3637,8 2.9 5 e
3697,6 1.4 4 e
3936,9 0.76 14 e
4014,7 1.7 4 e
4071,9 1.7 4 e
4077,4 0.3 1 e
4184,8 0.10 e
4193,4 0.3 1 e
4200,7 0.71 15 e
4213,2 1.4 4 e
4385,6 18 3 e