68-ER-149
Atomic Mass Mass Excess
148.942135957925 amu -53.9 MeV

Level energy (MeV) Spin & parity Half-life Mode of decay Branch ratio (%) Decay energy (MeV)
Ground state (1/2+) 4 S 2 EC 100 7.8
Ground state (1/2+) 4 S 2 ECP 7 6.7
.742 (11/2-) 8.9 S 0.2 EC 96.5 8.542
.742 (11/2-) 8.9 S 0.2 IT 3.5 .742
.742 (11/2-) 8.9 S 0.2 ECP .18 7.442

Strong Gamma-rays from Decay of ER-149

Decay mode Half-life Gamma-ray energy (keV) Intensity (%)
EC 4 S 2 171.50 14.+- 6.
EC 4 S 2 343.90 4
EC 4 S 2 1233.0 4
EC 4 S 2 1577.9 20.+- 6.
EC 4 S 2 1748.40 72.+- 8.
IT 8.9 S 0.2 111.3 1.1+- 0.3
EC 8.9 S 0.2 171.50 6.5+- 1.6
EC 8.9 S 0.2 222.0 0.56+- 0.12
EC 8.9 S 0.2 343.90 6.3+- 1.5
EC 8.9 S 0.2 359.90 0.75+- 0.25
EC 8.9 S 0.2 380.90 0.66+- 0.23
EC 8.9 S 0.2 436.70 3.9+- 1.1
EC 8.9 S 0.2 515.4 0.6+- 0.6
IT 8.9 S 0.2 630.50 2.7+- 0.6
EC 8.9 S 0.2 780.70 2.7+- 1.3
EC 8.9 S 0.2 826.40 0.66+- 0.23
EC 8.9 S 0.2 1171.00 9.4+- 2.2
EC 8.9 S 0.2 1183.70 0.56+- 0.22
EC 8.9 S 0.2 1194.5 0.56+- 0.22
EC 8.9 S 0.2 1225.80 0.8+- 0.4
EC 8.9 S 0.2 1277.10 2.4+- 0.6
EC 8.9 S 0.2 1320.4 0.6+- 0.3
EC 8.9 S 0.2 1380.10 3.2+- 0.8
EC 8.9 S 0.2 1448.8 0.7+- 0.4
EC 8.9 S 0.2 1468.1 1.3+- 0.7
EC 8.9 S 0.2 1530.90 4.4+- 1.1
EC 8.9 S 0.2 1552.20 1.8+- 0.5
EC 8.9 S 0.2 1560.10 3.0+- 0.7
EC 8.9 S 0.2 1581.60 0.7+- 0.4
EC 8.9 S 0.2 1602.0 1.1+- 0.5
EC 8.9 S 0.2 1648.90 4.0+- 1.0
EC 8.9 S 0.2 1676.1 0.6+- 0.3
EC 8.9 S 0.2 1706.90 3.3+- 0.8
EC 8.9 S 0.2 1735.30 3.7+- 0.9
EC 8.9 S 0.2 1765.80 3.6+- 0.9
EC 8.9 S 0.2 1828.9 0.66+- 0.23
EC 8.9 S 0.2 1991.0 0.56+- 0.12
EC 8.9 S 0.2 1997.4 0.75+- 0.25
EC 8.9 S 0.2 2148.70 0.56+- 0.22
EC 8.9 S 0.2 2177.50 1.8+- 0.5
EC 8.9 S 0.2 2221.90 1.3+- 0.4
EC 8.9 S 0.2 2226.90 1.1+- 0.3
EC 8.9 S 0.2 2267.20 0.66+- 0.23
EC 8.9 S 0.2 2317.60 1.5+- 0.5
EC 8.9 S 0.2 2321.70 1.9+- 0.5
EC 8.9 S 0.2 2326.80 1.0+- 0.5
EC 8.9 S 0.2 2368.30 1.1+- 0.3
EC 8.9 S 0.2 2381.30 0.6+- 0.3
EC 8.9 S 0.2 2469.40 1.0+- 0.4
EC 8.9 S 0.2 2491.9 0.6+- 0.3
EC 8.9 S 0.2 2512.50 0.75+- 0.25
EC 8.9 S 0.2 2580.40 0.56+- 0.22
EC 8.9 S 0.2 2607.40 1.4+- 0.4
EC 8.9 S 0.2 2824.9 0.66+- 0.23
EC 8.9 S 0.2 3885.5 0.5+- 0.3
EC 8.9 S 0.2 4699.60 1.4+- 0.4