156 Ho
67 89
Half life: 56 m 1
Jp: (4+)
Decay mode: e+b+
Sn (keV): 7.48E3 sy
Sp (keV): 3.60E3 sy
Prod. mode: Charged particle reaction
Literature cut-off date: 1-May-1991
Author(s): R.G. Helmer
ENSDF citation: NDS 65,65 (1992)

Decay properties

Mode Branching (%) Q-value (keV)
e+b+ 100 5.06E3 sy

Gammas from 156Ho (56 m 1)

Eg (keV) Ig (%) Decay mode
61.7 e+b+
80.2 e+b+
130.22 29 e+b+
137.83 3 51 e+b+
146.59 12 e+b+
154.22 18 e+b+
167.0 e+b+
266.35 6 54.7 6 e+b+
278.00 25 0.44 5 e+b+
313.58 16 0.35 7 e+b+
317.85 21 0.17 7 e+b+
348.97 15 0.75 4 e+b+
357.0 5 0.21 4 e+b+
366.25 8 10.73 10 e+b+
424.39 14 0.39 7 e+b+
486.2 4 0.16 6 e+b+
524.0 5 0.056 20 e+b+
538.18 25 0.27 4 e+b+
548.4 7 0.10 3 e+b+
554.03 28 0.25 3 e+b+
565.16 23 0.64 3 e+b+
582.6 4 0.123 20 e+b+
586.2 4 0.24 3 e+b+
589.21 28 0.24 5 e+b+
605.3 4 0.24 5 e+b+
608.2 8 0.11 5 e+b+
618.17 14 1.37 3 e+b+
625.4 8 0.08 6 e+b+
638.2 10 0.12 6 e+b+
654.4 4 0.18 3 e+b+
663.3 4 0.15 4 e+b+
666.97 15 1.06 5 e+b+
671.7 4 0.11 4 e+b+
675.8 3 e+b+
680.6 5 0.25 5 e+b+
684.26 16 5.39 7 e+b+
691.08 15 4.32 7 e+b+
715.1 4 0.123 20 e+b+
753.16 23 1.56 9 e+b+
755.4 3 0.71 6 e+b+
764.42 16 3.55 4 e+b+
796.20 20 0.577 20 e+b+
818.0 9 0.28 5 e+b+
838.3 10 0.05 3 e+b+
855.6 6 0.27 7 e+b+
859.2 7 0.19 6 e+b+
880.5 3 0.34 4 e+b+
884.45 20 7.08 6 e+b+
890.87 18 2.66 4 e+b+
907.6 3 0.15 3 e+b+
912.5 4 0.102 20 e+b+
920.8 8 0.07 3 e+b+
931.51 11 2.98 3 e+b+
950.50 24 0.71 3 e+b+
960.43 29 0.39 3 e+b+
964.53 27 0.62 4 e+b+
968.2 7 0.12 4 e+b+
980.1 6 0.12 3 e+b+
988.2 5 0.097 15 e+b+
1001.9 3 0.29 3 e+b+
1013.2 6 0.05 3 e+b+
1031.04 19 3.16 5 e+b+
1039.3 5 0.17 4 e+b+
1050.8 4 0.10 3 e+b+
1076.35 24 0.378 15 e+b+
1081.38 20 0.52 3 e+b+
1087.82 25 0.31 3 e+b+
1111.57 25 0.33 3 e+b+
1122.09 12 3.34 6 e+b+
1128.28 21 0.53 5 e+b+
1137.4 7 0.17 4 e+b+
1140.1 6 0.18 5 e+b+
1149.1 7 0.06 3 e+b+
1155.72 14 1.09 3 e+b+
1174.6 3 0.47 6 e+b+
1178.0 5 0.22 5 e+b+
1191.8 8 0.10 4 e+b+
1205.7 3 0.50 5 e+b+
1218.9 4 0.38 6 e+b+
1223.57 19 2.43 7 e+b+
1231.01 20 2.15 7 e+b+
1235.7 8 0.14 5 e+b+
1273.7 3 0.22 3 e+b+
1278.50 25 0.41 4 e+b+
1284.3 4 0.16 3 e+b+
1292.85 22 0.65 3 e+b+
1297.5 3 0.38 3 e+b+
1301.96 20 1.64 3 e+b+
1309.89 26 0.39 3 e+b+
1315.41 29 0.32 3 e+b+
1321.1 4 0.16 3 e+b+
1332.9 4 0.12 3 e+b+
1338.64 21 0.61 3 e+b+
1348.8 10 0.05 4 e+b+
1355.1 4 0.19 4 e+b+
1364.7 5 0.092 20 e+b+
1381.37 28 0.33 4 e+b+
1387.1 3 0.34 4 e+b+
1391.80 21 0.82 4 e+b+
1397.4 4 0.24 4 e+b+
1407.2 9 0.08 4 e+b+
1416.89 16 1.129 20 e+b+
1423.77 20 0.378 20 e+b+
1433.95 25 0.53 4 e+b+
1454.00 22 1.08 7 e+b+
1460.6 7 0.15 7 e+b+
1472.29 21 1.11 4 e+b+
1479.4 4 0.34 4 e+b+
1485.2 7 0.14 4 e+b+
1495.39 26 0.38 4 e+b+
1500.53 26 0.34 4 e+b+
1518.8 4 0.22 3 e+b+
1525.2 3 0.35 4 e+b+
1529.37 25 0.67 4 e+b+
1537.0 4 0.29 4 e+b+
1542.2 5 0.26 4 e+b+
1545.9 3 0.54 4 e+b+
1565.0 4 0.14 3 e+b+
1573.0 9 0.051 20 e+b+
1583.2 9 0.07 3 e+b+
1597.6 5 0.123 15 e+b+
1601.4 6 0.082 15 e+b+
1609.1 6 0.072 15 e+b+
1627.0 6 0.092 15 e+b+
1630.6 10 0.041 15 e+b+
1635.38 29 0.35 3 e+b+
1643.5 5 0.123 15 e+b+
1650.38 23 0.94 2 e+b+
1656.5 3 0.276 15 e+b+
1663.7 3 0.358 20 e+b+
1668.3 4 0.225 20 e+b+
1681.7 8 0.10 4 e+b+
1685.4 6 0.15 4 e+b+
1689.7 8 0.08 4 e+b+
1706.1 7 0.10 3 e+b+
1730.6 4 0.25 5 e+b+
1735.6 4 0.41 5 e+b+
1758.3 7 0.18 5 e+b+
1761.4 8 0.15 5 e+b+
1792.0 5 0.230 20 e+b+
1796.2 5 0.235 20 e+b+
1801.4 10 0.051 20 e+b+
1814.4 10 0.046 20 e+b+
1826.0 5 0.32 4 e+b+
1841.9 9 0.072 15 e+b+
1844.5 8 0.087 15 e+b+
1861.6 4 0.347 10 e+b+
1866.8 8 0.072 15 e+b+
1869.9 7 0.082 15 e+b+
1875.0 6 0.097 10 e+b+
1891.0 6 0.15 3 e+b+
1899.8 6 0.20 3 e+b+
1903.8 6 0.25 3 e+b+
1908.9 6 0.16 3 e+b+
1921.3 7 0.15 3 e+b+
1931.6 7 0.133 20 e+b+
1952.8 6 0.148 20 e+b+
1962.4 10 0.10 4 e+b+
1969.7 6 0.26 5 e+b+
1990.0 10 0.11 5 e+b+
1993.8 10 0.07 5 e+b+
2005.2 7 0.12 3 e+b+
2015.1 7 0.15 3 e+b+
2027.0 6 0.20 3 e+b+
2031.1 4 0.96 4 e+b+
2036.2 4 0.74 4 e+b+
2042.4 6 0.17 3 e+b+
2053.4 5 0.65 4 e+b+
2063.9 6 0.25 4 e+b+
2075.5 7 0.15 3 e+b+
2078.6 10 0.07 5 e+b+
2086.2 7 0.34 6 e+b+
2089.1 10 0.16 7 e+b+
2101.6 7 0.087 15 e+b+
2136.0 8 0.10 3 e+b+
2169.8 6 0.158 20 e+b+
2209.2 9 0.10 4 e+b+
2216.6 9 0.09 4 e+b+
2234.3 5 0.75 4 e+b+
2238.0 6 0.27 4 e+b+
2270.9 5 0.414 20 e+b+
2277.4 6 0.19 3 e+b+
2286.3 9 0.077 20 e+b+
2301.6 6 0.15 3 e+b+
2306.6 6 0.15 3 e+b+
2321.2 7 0.077 10 e+b+
2327.5 6 0.112 15 e+b+
2339.0 9 0.066 20 e+b+
2349.3 9 0.08 4 e+b+
2353.4 4 0.51 4 e+b+
2365.1 6 0.15 3 e+b+
2368.9 8 0.11 3 e+b+
2373.9 6 0.17 3 e+b+
2398.1 8 0.072 20 e+b+
2404.7 6 0.102 20 e+b+
2413.0 5 0.73 3 e+b+
2417.8 5 1.50 3 e+b+
2428.0 5 0.179 20 e+b+
2434.2 6 0.107 20 e+b+
2451.0 6 0.12 3 e+b+
2480.3 4 0.11 3 e+b+
2485.9 8 0.08 3 e+b+
2489.5 5 0.13 3 e+b+
2570.8 5 0.19 3 e+b+
2575.2 5 0.17 3 e+b+
2580.1 7 0.17 3 e+b+
2589.4 7 0.10 3 e+b+
2610.5 6 0.097 15 e+b+
2724.8 7 0.087 15 e+b+
2753.8 5 0.138 10 e+b+
2820.6 8 0.026 10 e+b+
2825.3 8 0.061 15 e+b+
2890.8 7 0.112 15 e+b+
2893.4 6 0.051 15 e+b+
3270.6 7 0.072 10 e+b+

X-rays from 156Ho (56 m 1)

E (keV) I (%) Assignment
5,743 0.134 14 Dy Ll
6,458 0.349 22 Dy La2
6,495 3.14 20 Dy La1
6,534 0.055 4 Dy Lh
7,204 0.102 16 Dy Lb4
7,248 2.45 18 Dy Lb1
7,370 0.165 25 Dy Lb3
7,374 0.0330 21 Dy Lb6
7,636 0.65 4 Dy Lb2
8,426 0.43 3 Dy Lg1
8,714 0.032 5 Dy Lg2
8,753 0.046 8 Dy Lg3
44,743 0.00297 9 Dy Ka3
45,208 7.93 18 Dy Ka2
45,998 14.2 3 Dy Ka1
51,947 1.45 3 Dy Kb3
52,113 2.80 6 Dy Kb1
52,475 0.0485 20 Dy Kb5
53,476 0.937 21 Dy Kb2
53,634 0.323 13 Dy Kb4

Betas from 156Ho (56 m 1)

>Eb endpoint (keV) Ib (%) Decay mode
3891,33 6 e
4037,67 6 e
4655,82 25 e