141m Eu
63 78
Half life: 2.7 s 3
Jp: 11/2-
Decay mode: e+b+, IT
Ex(keV): 96.45 7
Sn (keV): 11050 59
Sp (keV): 1798 32
E(level): 96.45 7 keV
Literature cut-off date: 24-Feb-1998
Author(s): J.K. Tuli
ENSDF citation: NDS 84, 307 (1998)

Decay properties

Mode Branching (%) Q-value (keV)
e+b+ 13 +4-2 5978 26
IT 87 +2-4

Gammas from 141mEu (2.7 s 3)

Eg (keV) Ig (%) Decay mode
96.4 1 1.9 IT
116.0 6 0.076 23 e+b+
174.2 3 e+b+
369.5 2 0.30 5 e+b+
394.0 2 0.60 13 e+b+
395.6 2 0.11 3 e+b+
433.9 2 0.43 15 e+b+
518.8 5 0.45 23 e+b+
605.9 2 0.14 5 e+b+
635.6 5 0.045 15 e+b+
804.4 3 0.44 6 e+b+
882.9 2 0.54 7 e+b+
887.3 3 0.29 6 e+b+
1225.7 5 0.015 8 e+b+
1595.3 3 0.40 8 e+b+

X-rays from 141mEu (2.7 s 3)

E (keV) I (%) Assignment
4,993 0.0045 5 Sm Ll
5,177 0.176 19 Eu Ll
5,589 0.00168 14 Sm Lh
5,610 0.0121 9 Sm La2
5,636 0.109 8 Sm La1
5,816 0.47 3 Eu La2
5,817 0.102 7 Eu Lh
5,846 4.2 3 Eu La1
6,196 0.0063 10 Sm Lb4
6,206 0.069 6 Sm Lb1
6,317 0.0106 16 Sm Lb3
6,371 0.00102 7 Sm Lb6
6,438 0.027 4 Eu Lb4
6,457 4.3 3 Eu Lb1
6,571 0.046 7 Eu Lb3
6,587 0.0231 17 Sm Lb2
6,617 0.041 3 Eu Lb6
6,844 0.89 7 Eu Lb2
7,183 0.0113 10 Sm Lg1
7,471 0.0020 3 Sm Lg2
7,484 0.72 6 Eu Lg1
7,489 0.0028 5 Sm Lg3
7,768 0.0086 14 Eu Lg2
7,795 0.0121 20 Eu Lg3
39,097 1.19E-04 6 Sm Ka3
39,522 0.471 21 Sm Ka2
40,118 0.85 4 Sm Ka1
40,467 0.000685 21 Eu Ka3
40,902 2.53 5 Eu Ka2
41,542 4.56 9 Eu Ka1
45,294 0.083 4 Sm Kb3
45,414 0.161 7 Sm Kb1
45,741 0.00239 13 Sm Kb5
46,578 0.0533 23 Sm Kb2
46,705 0.0202 11 Sm Kb4
46,905 0.448 9 Eu Kb3
47,038 0.867 18 Eu Kb1
47,373 0.0132 5 Eu Kb5
48,249 0.287 6 Eu Kb2
48,386 0.114 5 Eu Kb4

Betas from 141mEu (2.7 s 3)

>Eb endpoint (keV) Ib (%) Decay mode
3283,35 0.28 11 b+
3420,65 0.30 11 b+
3874,45 0.09 4 b+
3990,85 0.5 3 b+
4052,95 0.11 7 b+
4305,35 0.14 6 e
4442,65 0.14 5 e
4878,65 10 4 b+
4896,45 0.028 12 e
5012,85 0.15 8 e
5074,95 0.030 17 e
5900,65 1.5 5 e