141 Pm
61 80
Half life: 20.90 m 5
Jp: 5/2+
Decay mode: e+b+
Sn (keV): 10116 40
Sp (keV): 3287 33
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 3728 27

Gammas from 141Pm (20.90 m 5)

Eg (keV) Ig (%) Decay mode
180.2 1 0.032 3 e+b+
193.68 1 1.61 8 e+b+
289.0 2 0.152 14 e+b+
403.2 2 0.021 3 e+b+
432.2 2 0.015 3 e+b+
538.0 2 0.066 10 e+b+
544.0 1 0.052 5 e+b+
597.1 1 0.057 5 e+b+
622.01 5 0.85 4 e+b+
647.1 0.066 10 e+b+
706.0 1 0.024 5 e+b+
739.1 1 0.028 3 e+b+
744.3 1 0.043 5 e+b+
756.51 5 0.085 10 e+b+
886.22 5 2.44 12 e+b+
901.1 1 0.057 5 e+b+
958.5 1 0.066 5 e+b+
966.2 0.090 10 e+b+
1023.2 1 0.147 14 e+b+
1029.60 5 0.33 3 e+b+
1043.1 1 0.038 5 e+b+
1051.8 3 0.100 10 e+b+
1080.6 1 0.052 5 e+b+
1088.4 1 0.015 3 e+b+
1118.0 1 0.013 3 e+b+
1223.26 5 4.74 24 e+b+
1235.4 1 0.0071 14 e+b+
1282.0 2 0.021 4 e+b+
1345.52 5 1.33 7 e+b+
1363.1 1 0.0038 10 e+b+
1371.0 1 0.109 10 e+b+
1403.14 6 0.75 4 e+b+
1474.7 1 0.0062 14 e+b+
1564.68 7 0.84 4 e+b+
1582.0 1 0.0104 19 e+b+
1596.87 7 0.79 4 e+b+
1626.70 7 0.28 3 e+b+
1703.9 0.057 5 e+b+
1808.3 1 0.0014 5 e+b+
1820.5 1 0.076 10 e+b+
1872.7 1 0.027 3 e+b+
1880.0 1 0.33 3 e+b+
1897.6 0.047 5 e+b+
1967.6 1 0.171 19 e+b+
2052.9 1 0.123 14 e+b+
2066.4 1 0.071 10 e+b+
2073.9 9 0.63 6 e+b+
2109.6 1 0.076 10 e+b+
2145.3 2 0.017 3 e+b+
2160.6 2 0.0085 19 e+b+
2246.5 1 0.071 10 e+b+
2265.2 2 0.034 3 e+b+
2303.5 1 0.114 14 e+b+
2311.7 2 0.023 5 e+b+
2336.0 2 0.0119 24 e+b+
2354.4 2 0.042 4 e+b+
2388.3 2 0.057 5 e+b+
2418.6 2 0.0076 14 e+b+
2429.6 2 0.026 3 e+b+
2463.3 2 0.013 3 e+b+
2505.3 2 0.028 3 e+b+
2514.8 2 0.0043 10 e+b+
2601.7 2 0.0128 24 e+b+
2619.0 2 0.026 3 e+b+
2732.5 2 0.0033 10 e+b+
2750.8 2 0.0028 5 e+b+
2803.9 4 0.022 4 e+b+
2865.3 4 0.0024 5 e+b+
2943.9 5 0.0057 14 e+b+
3056.5 5 0.0024 5 e+b+

X-rays from 141Pm (20.90 m 5)

E (keV) I (%) Assignment
4,633 0.097 10 Nd Ll
5,146 0.038 3 Nd Lh
5,208 0.262 16 Nd La2
5,230 2.36 15 Nd La1
5,722 1.46 11 Nd Lb1
5,723 0.139 21 Nd Lb4
5,829 0.23 4 Nd Lb3
5,893 0.0208 13 Nd Lb6
6,090 0.50 3 Nd Lb2
6,604 0.234 18 Nd Lg1
6,883 0.042 7 Nd Lg2
6,901 0.059 10 Nd Lg3
36,443 0.00224 8 Nd Ka3
36,847 11.2 3 Nd Ka2
37,361 20.4 6 Nd Ka1
42,166 1.96 6 Nd Kb3
42,271 3.79 11 Nd Kb1
42,580 0.0508 23 Nd Kb5
43,335 1.24 4 Nd Kb2
43,451 0.457 21 Nd Kb4

Betas from 141Pm (20.90 m 5)

>Eb endpoint (keV) Ib (%) Decay mode
404,6 0.00050 b+
461,5 0.0013 b+
598,4 0.022 b+
634,2 0.009 b+
641,6 0.0007 b+
673,5 0.030 e
740,4 0.019 b+
785,6 0.010 e
810,4 0.0026 b+
864,7 0.002 e
887,5 0.009 b+
899,7 0.0036 b+
926,1 0.02 e
997,5 0.0030 e
1111 0.02 e
1111,1 0.11 b+
1143,32 0.07 b+
1215,2 0.004 e
1224,7 0.10 e
1266,7 0.010 e
1300,4 0.02 e
1341,7 0.10 e
1362,48 0.037 b+
1375,6 0.050 e
1394 0.010 e
1418 0.11 e
1426,6 0.28 e
1464,8 0.030 e
1483,5 0.42 e
1484,7 0.39 b+
1584,7 0.02 e
1620,4 2.6 e
1656,2 0.9 e
1663,6 0.06 e
1762,4 1.0 e
1832,4 0.10 e
1909,5 0.25 e
1921,7 0.10 e
2133,1 1.4 e
2165,32 0.8 e
2384,48 0.24 e
2506,7 1.9 e
2708 51 b+
3730 39 e