135 Sm
62 73
Half life: 10.3 s 5
Jp: (7/2+)
Decay mode: e+b+, ep
Sn (keV): 9.6E3 sy
Sp (keV): 3.7E3 sy
Literature cut-off date: 12-Apr-1998
Author(s): Yu.V. Sergeenkov and B. Singh
ENSDF citation: NDS 84, 115 (1998)

Decay properties

Mode Branching (%) Q-value (keV)
e+b+ 100 7.2E3 sy
ep 0.02 1

Gammas from 135Sm (10.3 s 5)

Eg (keV) Ig (%) Decay mode
49.1 2 10 3* e+b+
55.4 2 65 20* e+b+
77.2 2 1* e+b+
77.2 2 32 10* e+b+
104.6 2 46 10* e+b+
115.5 3 8 2* e+b+
126.3 2 88 10* e+b+
159.5 4 3 1* e+b+
181.7 2 22 5* e+b+
190.3 2 100 10* e+b+
236.6 3 45 22* e+b+
285.9 2 87 10* e+b+
294.2 2 * ep
313.4 4 10 3* e+b+
341.3 2 7* e+b+
350.0 2 20 5* e+b+
363.0 2 84 10* e+b+
418.2 2 26 5* e+b+
428.2 2 70 10* e+b+
494.7 2 * ep
543.5 2 26 5* e+b+
573.0 2 30 8* e+b+
754.7 2 40 10* e+b+
1132.1 5 22 5* e+b+

X-rays from 135Sm (10.3 s 5)

E (keV) I (%) Assignment
4,809 1.3 8 Pm Ll
5,363 0.6 4 Pm Lh
5,408 3.5 21 Pm La2
5,432 31 19 Pm La1
5,957 0.9 3 Pm Lb4
5,961 22 15 Pm Lb1
6,071 1.6 6 Pm Lb3
6,128 0.28 17 Pm Lb6
6,339 7 4 Pm Lb2
6,892 3.6 24 Pm Lg1
7,186 0.29 11 Pm Lg2
7,186 0.41 15 Pm Lg3
37,756 0.018 5 Pm Ka3
38,171 82 24 Pm Ka2
38,725 149 40 Pm Ka1
43,713 14 4 Pm Kb3
43,827 28 8 Pm Kb1
44,145 0.40 12 Pm Kb5
44,942 9 3 Pm Kb2
45,064 3.5 10 Pm Kb4