ADOPTED LEVELS, GAMMAS for 149Ho
Authors: Balraj Singh and Jun Chen | Citation: Nucl. Data Sheets 185, 2 (2022) | Cutoff date: 23-Aug-2022
Full ENSDF file | Adopted Levels (PDF version)
Q(β-)=-7900 keV 30 | S(n)= 11730 keV 80 | S(p)= 1075 keV 12 | Q(α)= 2.33×103 keV 11 | ||
Reference: 2021WA16 |
References: | |||
A | 149Er ε decay (4 S) | B | 149Er ε decay (9.6 S) |
C | 150Tm εp decay:MIXED | D | 153Tm α decay (1.48 S) |
E | 153Tm α decay (2.5 S) | F | 112Sn(40Ar,p2nγ) |
G | 121Sb(32S,4nγ), |
E(level) (keV) | XREF | Jπ(level) | T1/2(level) | E(γ) (keV) | I(γ) | M(γ) | Final Levels | |
0.0 | A CD FG | (11/2-) | 21.0 s 2 % ε = 100 | |||||
48.8 2 | ABCDE | (1/2+) | 56 s 3 % ε = 100 | |||||
220.23 22 | ABCDE | (3/2+) | 171.5 1 | 100 | M1 | 48.8 | (1/2+) | |
564.17 23 | ABCDE | (5/2+) | 343.9 1 515.4? | 100 12 <18 | (M1) | 220.23 48.8 | (3/2+) (1/2+) | |
1000.91 23 | BC | (7/2+) | 436.7 1 780.7 1 | 100 17 69 29 | (M1) | 564.17 220.23 | (5/2+) (3/2+) | |
1171.08 7 | B | 1171.0 1 | 100 | 0.0 | (11/2-) | |||
1183.71 20 | B | 1183.7 2 | 100 | 0.0 | (11/2-) | |||
1277.11 10 | B | (9/2-) | 106.0 10 1277.1 1 | ≈12 100 12 | 1171.08 0.0 | (11/2-) | ||
1380.09 10 | BC FG | (15/2+) | 1380.1 1 | 100 | [M2] | 0.0 | (11/2-) | |
1415.0 4 | B | (7/2+) | 413.0 10 851.0 5 1194.5 5 | 33 17 50 17 100 33 | 1000.91 564.17 220.23 | (7/2+) (5/2+) (3/2+) | ||
1530.94 8 | B | 359.9 1 1530.9 1 | 17 4 100 11 | 1171.08 0.0 | (11/2-) | |||
1552.10 8 | B | 172.4 10 380.9 1 1552.2 1 | ≈16 37 11 100 16 | 1380.09 1171.08 0.0 | (15/2+) (11/2-) | |||
1560.12 10 | BC FG | (15/2-) | 1560.1 1 | 100 | 0.0 | (11/2-) | ||
1601.9 5 | B | 222.0 10 323.8 10 1602.0 10 | ≈50 25 8 100 33 | 1380.09 1277.11 0.0 | (15/2+) (9/2-) (11/2-) | |||
1648.91 10 | B | 1648.9 1 | 100 | 0.0 | (11/2-) | |||
1706.92 20 | B | 327.1 10 1706.9 2 | ≈9 100 12 | 1380.09 0.0 | (15/2+) (11/2-) | |||
1735.31 20 | B | 1735.3 2 | 100 | 0.0 | (11/2-) | |||
E(level) (keV) | XREF | Jπ(level) | T1/2(level) | E(γ) (keV) | I(γ) | M(γ) | Final Levels | |
1765.80 10 | B | 163.1 10 1765.8 1 | ≈11 100 11 | 1601.9 0.0 | (11/2-) | |||
1797.30 23 | A | (3/2+) | 1233.0 10 ? 1577.9 3 1748.4 1 | ≈6 28 8 100 11 | 564.17 220.23 48.8 | (5/2+) (3/2+) (1/2+) | ||
1828.9 3 | B | 1828.9 3 | 100 | 0.0 | (11/2-) | |||
1997.46 18 | B | 826.4 2 1997.4 3 | 88 25 100 25 | 1171.08 0.0 | (11/2-) | |||
2024.3 3 | FG | (19/2+) | 644.3 | 100 | 1380.09 | (15/2+) | ||
2071.92 20 | B | 2071.9 2 | 100 | 0.0 | (11/2-) | |||
2135.0 5 | B | 2135.0 5 | 100 | 0.0 | (11/2-) | |||
2148.72 20 | B | 2148.7 2 | 100 | 0.0 | (11/2-) | |||
2177.52 10 | B | 2177.5 1 | 100 | 0.0 | (11/2-) | |||
2209.1 3 | B | (9/2-) | 1208.5 5 2209.0 3 | 60 20 100 40 | 1000.91 0.0 | (7/2+) (11/2-) | ||
2221.92 10 | B | 2221.9 1 | 100 | 0.0 | (11/2-) | |||
2226.82 15 | B | (9/2-) | 1225.8 2 2226.9 2 | 75 25 100 17 | 1000.91 0.0 | (7/2+) (11/2-) | ||
2267.28 10 | B | (9/2-) | 1267.9 5 2267.2 1 | 57 29 100 29 | 1000.91 0.0 | (7/2+) (11/2-) | ||
2286.0 3 | FG | (19/2-) | 725.8 | | 1560.12 | (15/2-) | ||
2297.3 5 | B | (9/2-) | 1295.0 10 2297.6 5 | 50 25 100 50 | 1000.91 0.0 | (7/2+) (11/2-) | ||
2317.62 20 | B | 2317.6 2 | 100 | 0.0 | (11/2-) | |||
2321.71 10 | B | (9/2-) | 1045.6 10 1320.4 5 2321.7 1 | 20 10 30 15 100 15 | 1277.11 1000.91 0.0 | (9/2-) (7/2+) (11/2-) | ||
2326.82 20 | B | 2326.8 2 | 100 | 0.0 | (11/2-) | |||
2367.9 11 | B | 1367.0 10 2368.3 2 ? | ≈7 100 17 | 1000.91 0.0 | (7/2+) (11/2-) | |||
E(level) (keV) | XREF | Jπ(level) | T1/2(level) | E(γ) (keV) | I(γ) | M(γ) | Final Levels | |
2381.32 20 | B | 2381.3 2 | 100 | 0.0 | (11/2-) | |||
2407.3 4 | FG | (23/2+) | 383.1 | | 2024.3 | (19/2+) | ||
2449.7 6 | B | (9/2-) | 1448.8 5 | 100 | 1000.91 | (7/2+) | ||
2469.37 19 | B | (9/2-) | 1468.1 5 2469.4 2 | 100 50 79 22 | 1000.91 0.0 | (7/2+) (11/2-) | ||
2493.2 6 | B | (9/2-) | 1492.3 5 2491.9 5 ? | 67 34 100 50 | 1000.91 0.0 | (7/2+) (11/2-) | ||
2499.4 5 ? | B | 2499.4 5 ? | 100 | 0.0 | (11/2-) | |||
2512.52 20 | B | 2512.5 2 | 100 | 0.0 | (11/2-) | |||
2580.42 20 | B | 2580.4 2 | 100 | 0.0 | (11/2-) | |||
2591.4 4 | B | 2591.4 4 | 100 | 0.0 | (11/2-) | |||
2592.1 4 | FG | (23/2-) | 185.0 306.0 | 28 8 100 11 | 2407.3 2286.0 | (23/2+) (19/2-) | ||
2607.41 10 | B | (9/2-) | 1605.0 10 2607.4 1 | ≈13 100 20 | 1000.91 0.0 | (7/2+) (11/2-) | ||
2633.3 4 | B | 2633.3 4 | 100 | 0.0 | (11/2-) | |||
2677.0 5 | B | (9/2-) | 1676.1 4 | 100 | 1000.91 | (7/2+) | ||
2714.8 3 | B | 2714.8 3 | 100 | 0.0 | (11/2-) | |||
2735.9 5 | FG | (27/2-) | 59 ns 4 | 143.8 | 100 | (E2) | 2592.1 | (23/2-) |
2804.5 5 ? | B | 2804.5 5 ? | 100 | 0.0 | (11/2-) | |||
2824.9 11 | B | (9/2-) | 1824.0 10 2824.9 4 ? | ≈7 100 29 | 1000.91 0.0 | (7/2+) (11/2-) | ||
2849.1 6 | F | (29/2,31/2) | 113.2 | 100 | 2735.9 | (27/2-) | ||
2851.2 11 ? | B | 2851.2 11 ? | 100 | 0.0 | (11/2-) | |||
2901.7 4 ? | B | 2901.7 4 ? | 100 | 0.0 | (11/2-) | |||
2913.9 11 | B | (9/2-) | 1913.0 10 2913.5 3 ? | ≈27 100 33 | 1000.91 0.0 | (7/2+) (11/2-) | ||
2935.7 6 | B | 2935.7 6 | 100 | 0.0 | (11/2-) | |||
2939.3 9 ? | B | 2939.3 9 ? | 100 | 0.0 | (11/2-) | |||
2965.5 3 | B | 2965.5 3 | 100 | 0.0 | (11/2-) | |||
E(level) (keV) | XREF | Jπ(level) | T1/2(level) | E(γ) (keV) | I(γ) | M(γ) | Final Levels | |
2977.8 3 | B | 2977.8 3 | 100 | 0.0 | (11/2-) | |||
2992.3 3 | B | (9/2-) | 1991.0 10 2992.3 3 | ≈150 100 50 | 1000.91 0.0 | (7/2+) (11/2-) | ||
2996.63 24 | B | 1581.6 2 2996.7 3 | 100 43 57 29 | 1415.0 0.0 | (7/2+) (11/2-) | |||
3000.9 11 | B | (9/2-) | 2000.0 10 3001.1 4 ? | ≈100 67 34 | 1000.91 0.0 | (7/2+) (11/2-) | ||
3005.0 3 | B | (9/2-) | 2004.0 10 3005.0 3 | ≈133 100 33 | 1000.91 0.0 | (7/2+) (11/2-) | ||
3049.0 3 | B | 3049.0 3 | 100 | 0.0 | (11/2-) | |||
3061.0 9 ? | B | 3061.0 9 ? | 100 | 0.0 | (11/2-) | |||
3124.9 11 | B | (9/2-) | 2124.0 10 3125.3 3 ? | ≈23 100 33 | 1000.91 0.0 | (7/2+) (11/2-) | ||
3174.9 5 ? | B | 3174.9 5 ? | 100 | 0.0 | (11/2-) | |||
3226.2 4 ? | B | 3226.2 4 ? | 100 | 0.0 | (11/2-) | |||
3263.1 3 ? | B | 3263.1 3 ? | 100 | 0.0 | (11/2-) | |||
3305.8 3 ? | B | 3305.8 3 ? | 100 | 0.0 | (11/2-) | |||
3325.2 4 ? | B | 3325.2 4 ? | 100 | 0.0 | (11/2-) | |||
3338.4 3 ? | B | 3338.4 3 ? | 100 | 0.0 | (11/2-) | |||
3536.3 8 ? | B | 3536.3 8 ? | 100 | 0.0 | (11/2-) | |||
3790 | A | (1/2,3/2) | ||||||
3795.1 6 ? | B | 3795.0 6 ? | 100 | 0.0 | (11/2-) | |||
3828.3 12 ? | B | 3828.2 12 ? | 100 | 0.0 | (11/2-) | |||
3885.6 5 ? | B | 3885.5 5 ? | 100 | 0.0 | (11/2-) | |||
3931.2 7 | F | (31/2,33/2) | 1082.0 | 100 | D | 2849.1 | (29/2,31/2) | |
3990 | A | (1/2,3/2) | ||||||
4003.2 4 ? | B | 4003.1 4 ? | 100 | 0.0 | (11/2-) | |||
4029.2 7 | F | (33/2,35/2) | 1180.0 | 100 | Q | 2849.1 | (29/2,31/2) | |
4037.3 13 ? | B | 4037.2 13 ? | 100 | 0.0 | (11/2-) | |||
4086.4 5 ? | B | 4086.3 5 ? | 100 | 0.0 | (11/2-) | |||
E(level) (keV) | XREF | Jπ(level) | T1/2(level) | E(γ) (keV) | I(γ) | M(γ) | Final Levels | |
4236.0 10 ? | B | 4235.9 10 ? | 100 | 0.0 | (11/2-) | |||
4240 | A | (1/2,3/2) | ||||||
4330.6 7 | F | (35/2,37/2) | 399.4 | 100 | Q | 3931.2 | (31/2,33/2) | |
4386.0 7 ? | B | 4385.9 7 ? | 100 | 0.0 | (11/2-) | |||
4413.5 3 | B | 4413.4 3 | 100 | 0.0 | (11/2-) | |||
4433.9 4 ? | B | 4433.8 4 ? | 100 | 0.0 | (11/2-) | |||
4441.4 3 | B | 4441.3 3 | 100 | 0.0 | (11/2-) | |||
4470 | A | (1/2,3/2) | ||||||
4552.5 8 ? | B | 4552.4 8 ? | 100 | 0.0 | (11/2-) | |||
4616.8 5 ? | B | 4616.7 5 ? | 100 | 0.0 | (11/2-) | |||
4622.4 3 ? | B | 4622.3 3 ? | 100 | 0.0 | (11/2-) | |||
4645.6 4 ? | B | 4645.5 4 ? | 100 | 0.0 | (11/2-) | |||
4652.1 4 | B | 4652.0 4 | 100 | 0.0 | (11/2-) | |||
4661.68 20 | B | 4661.6 2 | 100 | 0.0 | (11/2-) | |||
4676.7 4 ? | B | 4676.6 4 ? | 100 | 0.0 | (11/2-) | |||
4680.3 6 | F | (31/2-) | 1944.3 | 100 | Q | 2735.9 | (27/2-) | |
4699.68 20 | B | 4699.6 2 | 100 | 0.0 | (11/2-) | |||
4706.1 10 | B | 4706.0 10 | 100 | 0.0 | (11/2-) | |||
4750.0 8 ? | B | 4749.9 8 ? | 100 | 0.0 | (11/2-) | |||
4765.3 8 | F | (39/2,41/2) | 434.7 | 100 | Q | 4330.6 | (35/2,37/2) | |
4820.9 7 | F | (37/2,39/2) | 791.7 | 100 | Q | 4029.2 | (33/2,35/2) | |
4822.9 6 ? | B | 4822.8 6 ? | 100 | 0.0 | (11/2-) | |||
4851.1 9 ? | B | 4851.0 9 ? | 100 | 0.0 | (11/2-) | |||
4970 | A | (1/2,3/2) | ||||||
5050 | A | (1/2,3/2) | ||||||
5079.2 10 | B | 5079.1 10 | 100 | 0.0 | (11/2-) | |||
5098.7 10 | B | 5098.6 10 | 100 | 0.0 | (11/2-) | |||
5210.9 7 | F | (35/2-) | 530.6 | 100 | Q | 4680.3 | (31/2-) | |
5505.9 8 | F | (39/2,41/2) | 685.0 | 100 | D | 4820.9 | (37/2,39/2) | |
7.20E3 35 ? | G | ≥ 100 ns |
E(level): From a least-squares fit to γ-ray energies where available, assuming ΔEγ=0.3 keV, when uncertainty of Eγ is not stated
Jπ(level): From Shell-Model predictions and systematics, unless otherwise noted. Orbital configurations are given under comments
E(level) (keV) | Jπ(level) | T1/2(level) | E(γ) | I(γ) | M(γ) | Final Levels | |
Band 1 - Band based on g.s. | |||||||
0.0 | (11/2-) | 21.0 s 2 % ε = 100 | |||||
1560.12 10 | (15/2-) | ||||||
2286.0 3 | (19/2-) | 725.8 | | 1560.12 | (15/2-) | ||
2592.1 4 | (23/2-) | 185.0 306.0 | 28 8 100 11 | 2407.3 2286.0 | (23/2+) (19/2-) | ||
2735.9 5 | (27/2-) | 59 ns 4 | 143.8 | 100 | (E2) | 2592.1 | (23/2-) |
E(level) (keV) | Jπ(level) | T1/2(level) | E(γ) | I(γ) | M(γ) | Final Levels | |
Band 2 - Band based on (15/2+) | |||||||
1380.09 10 | (15/2+) | ||||||
2024.3 3 | (19/2+) | ||||||
2407.3 4 | (23/2+) | 383.1 | | 2024.3 | (19/2+) | ||
E(level) (keV) | Jπ(level) | T1/2(level) | E(γ) | I(γ) | M(γ) | Final Levels | |
Band 3 - Band based on (29/2,31/2) | |||||||
2849.1 6 | (29/2,31/2) | ||||||
4029.2 7 | (33/2,35/2) | ||||||
4820.9 7 | (37/2,39/2) | 791.7 | 100 | Q | 4029.2 | (33/2,35/2) | |
5505.9 8 | (39/2,41/2) | 685.0 | 100 | D | 4820.9 | (37/2,39/2) | |
E(level) (keV) | Jπ(level) | T1/2(level) | E(γ) | I(γ) | M(γ) | Final Levels | |
Band 4 - Band based on (31/2,33/2) | |||||||
3931.2 7 | (31/2,33/2) | ||||||
4330.6 7 | (35/2,37/2) | ||||||
4765.3 8 | (39/2,41/2) | 434.7 | 100 | Q | 4330.6 | (35/2,37/2) |
E(level) (keV) | Jπ(level) | T1/2(level) | E(γ) (keV) | Multipolarity | Conversion Coefficient | Additional Data |
220.23 | (3/2+) | 171.5 1 | M1 | 0.566 | α=0.566 8 | |
564.17 | (5/2+) | 343.9 1 | (M1) | 0.0853 | α=0.0853 12 | |
1000.91 | (7/2+) | 436.7 1 | (M1) | 0.0456 | α=0.0456 6 | |
1380.09 | (15/2+) | 1380.1 1 | [M2] | 0.00621 | α=0.00621 9 | |
2735.9 | (27/2-) | 59 ns 4 | 143.8 | (E2) | 0.755 | B(E2)(W.u.)=1.89 +15-12, α=0.755 11 |
Additional Level Data and Comments:
E(level) | Jπ(level) | T1/2(level) | Comments |
0.0 | (11/2-) | 21.0 s 2 % ε = 100 | Configuration=πh11/2. E(level): Band based on g.s. Jπ(level): Probable member of configuration=πh11/23 (1980Wi11) in (32S,4nγ). |
48.8 | (1/2+) | 56 s 3 % ε = 100 | Configuration=s1/2. |
220.23 | (3/2+) | Configuraton=πd3/2. | |
564.17 | (5/2+) | Configuration=πd5/2. | |
1000.91 | (7/2+) | Configuration=πg7/2. | |
1171.08 | E(level): Weakly populated level in 149Er ε decay (9.6 s). Possible allowed or first-forbidden ε+β+ feeding from (11/2-) parent and γ to (11/2-) g.s. suggests 9/2, 11/2, 13/2. Jπ(level): Weakly populated level in 149Er ε decay (9.6 s). Possible allowed or first-forbidden ε+β+ feeding from (11/2-) parent and γ to (11/2-) g.s. suggests 9/2, 11/2, 13/2. | ||
1183.71 | E(level): Weakly populated level in 149Er ε decay (9.6 s). Possible allowed or first-forbidden ε+β+ feeding from (11/2-) parent and γ to (11/2-) g.s. suggests 9/2, 11/2, 13/2. Jπ(level): Weakly populated level in 149Er ε decay (9.6 s). Possible allowed or first-forbidden ε+β+ feeding from (11/2-) parent and γ to (11/2-) g.s. suggests 9/2, 11/2, 13/2. | ||
1277.11 | (9/2-) | E(level): Weakly populated level in 149Er ε decay (9.6 s). Possible allowed or first-forbidden ε+β+ feeding from (11/2-) parent and γ to (11/2-) g.s. suggests 9/2, 11/2, 13/2. Jπ(level): Weakly populated level in 149Er ε decay (9.6 s). Possible allowed or first-forbidden ε+β+ feeding from (11/2-) parent and γ to (11/2-) g.s. suggests 9/2, 11/2, 13/2. | |
1380.09 | (15/2+) | E(level): Band based on (15/2+). | |
1530.94 | E(level): Weakly populated level in 149Er ε decay (9.6 s). Possible allowed or first-forbidden ε+β+ feeding from (11/2-) parent and γ to (11/2-) g.s. suggests 9/2, 11/2, 13/2. Jπ(level): Weakly populated level in 149Er ε decay (9.6 s). Possible allowed or first-forbidden ε+β+ feeding from (11/2-) parent and γ to (11/2-) g.s. suggests 9/2, 11/2, 13/2. | ||
1552.10 | E(level): Weakly populated level in 149Er ε decay (9.6 s). Possible allowed or first-forbidden ε+β+ feeding from (11/2-) parent and γ to (11/2-) g.s. suggests 9/2, 11/2, 13/2. Jπ(level): Weakly populated level in 149Er ε decay (9.6 s). Possible allowed or first-forbidden ε+β+ feeding from (11/2-) parent and γ to (11/2-) g.s. suggests 9/2, 11/2, 13/2. | ||
1560.12 | (15/2-) | E(level): Band based on g.s. Jπ(level): Probable member of configuration=πh11/23 (1980Wi11) in (32S,4nγ). | |
1601.9 | E(level): Weakly populated level in 149Er ε decay (9.6 s). Possible allowed or first-forbidden ε+β+ feeding from (11/2-) parent and γ to (11/2-) g.s. suggests 9/2, 11/2, 13/2. Jπ(level): Weakly populated level in 149Er ε decay (9.6 s). Possible allowed or first-forbidden ε+β+ feeding from (11/2-) parent and γ to (11/2-) g.s. suggests 9/2, 11/2, 13/2. | ||
1648.91 | E(level): Weakly populated level in 149Er ε decay (9.6 s). Possible allowed or first-forbidden ε+β+ feeding from (11/2-) parent and γ to (11/2-) g.s. suggests 9/2, 11/2, 13/2. Jπ(level): Weakly populated level in 149Er ε decay (9.6 s). Possible allowed or first-forbidden ε+β+ feeding from (11/2-) parent and γ to (11/2-) g.s. suggests 9/2, 11/2, 13/2. | ||
1706.92 | E(level): Weakly populated level in 149Er ε decay (9.6 s). Possible allowed or first-forbidden ε+β+ feeding from (11/2-) parent and γ to (11/2-) g.s. suggests 9/2, 11/2, 13/2. Jπ(level): Weakly populated level in 149Er ε decay (9.6 s). Possible allowed or first-forbidden ε+β+ feeding from (11/2-) parent and γ to (11/2-) g.s. suggests 9/2, 11/2, 13/2. | ||
1735.31 | E(level): Weakly populated level in 149Er ε decay (9.6 s). Possible allowed or first-forbidden ε+β+ feeding from (11/2-) parent and γ to (11/2-) g.s. suggests 9/2, 11/2, 13/2. Jπ(level): Weakly populated level in 149Er ε decay (9.6 s). Possible allowed or first-forbidden ε+β+ feeding from (11/2-) parent and γ to (11/2-) g.s. suggests 9/2, 11/2, 13/2. | ||
1765.80 | E(level): Weakly populated level in 149Er ε decay (9.6 s). Possible allowed or first-forbidden ε+β+ feeding from (11/2-) parent and γ to (11/2-) g.s. suggests 9/2, 11/2, 13/2. Jπ(level): Weakly populated level in 149Er ε decay (9.6 s). Possible allowed or first-forbidden ε+β+ feeding from (11/2-) parent and γ to (11/2-) g.s. suggests 9/2, 11/2, 13/2. | ||
1828.9 | E(level): Weakly populated level in 149Er ε decay (9.6 s). Possible allowed or first-forbidden ε+β+ feeding from (11/2-) parent and γ to (11/2-) g.s. suggests 9/2, 11/2, 13/2. Jπ(level): Weakly populated level in 149Er ε decay (9.6 s). Possible allowed or first-forbidden ε+β+ feeding from (11/2-) parent and γ to (11/2-) g.s. suggests 9/2, 11/2, 13/2. | ||
1997.46 | E(level): Weakly populated level in 149Er ε decay (9.6 s). Possible allowed or first-forbidden ε+β+ feeding from (11/2-) parent and γ to (11/2-) g.s. suggests 9/2, 11/2, 13/2. Jπ(level): Weakly populated level in 149Er ε decay (9.6 s). Possible allowed or first-forbidden ε+β+ feeding from (11/2-) parent and γ to (11/2-) g.s. suggests 9/2, 11/2, 13/2. | ||
2024.3 | (19/2+) | E(level): Band based on (15/2+). | |
2071.92 | E(level): Weakly populated level in 149Er ε decay (9.6 s). Possible allowed or first-forbidden ε+β+ feeding from (11/2-) parent and γ to (11/2-) g.s. suggests 9/2, 11/2, 13/2. Jπ(level): Weakly populated level in 149Er ε decay (9.6 s). Possible allowed or first-forbidden ε+β+ feeding from (11/2-) parent and γ to (11/2-) g.s. suggests 9/2, 11/2, 13/2. | ||
2135.0 | E(level): Weakly populated level in 149Er ε decay (9.6 s). Possible allowed or first-forbidden ε+β+ feeding from (11/2-) parent and γ to (11/2-) g.s. suggests 9/2, 11/2, 13/2. Jπ(level): Weakly populated level in 149Er ε decay (9.6 s). Possible allowed or first-forbidden ε+β+ feeding from (11/2-) parent and γ to (11/2-) g.s. suggests 9/2, 11/2, 13/2. | ||
2148.72 | E(level): Weakly populated level in 149Er ε decay (9.6 s). Possible allowed or first-forbidden ε+β+ feeding from (11/2-) parent and γ to (11/2-) g.s. suggests 9/2, 11/2, 13/2. Jπ(level): Weakly populated level in 149Er ε decay (9.6 s). Possible allowed or first-forbidden ε+β+ feeding from (11/2-) parent and γ to (11/2-) g.s. suggests 9/2, 11/2, 13/2. | ||
2177.52 | E(level): Weakly populated level in 149Er ε decay (9.6 s). Possible allowed or first-forbidden ε+β+ feeding from (11/2-) parent and γ to (11/2-) g.s. suggests 9/2, 11/2, 13/2. Jπ(level): Weakly populated level in 149Er ε decay (9.6 s). Possible allowed or first-forbidden ε+β+ feeding from (11/2-) parent and γ to (11/2-) g.s. suggests 9/2, 11/2, 13/2. | ||
2209.1 | (9/2-) | Jπ(level): Probable allowed or first-forbidden ε+β+ feeding from (11/2-) parent and γ to 7/2+ suggest 9/2, 11/2+. Jπ=(9/2-) is supported by expected dominance of h11/2 proton to h9/2 neutron component in the β transitions (1989Fi01). | |
E(level) | Jπ(level) | T1/2(level) | Comments |
2221.92 | E(level): Weakly populated level in 149Er ε decay (9.6 s). Possible allowed or first-forbidden ε+β+ feeding from (11/2-) parent and γ to (11/2-) g.s. suggests 9/2, 11/2, 13/2. Jπ(level): Weakly populated level in 149Er ε decay (9.6 s). Possible allowed or first-forbidden ε+β+ feeding from (11/2-) parent and γ to (11/2-) g.s. suggests 9/2, 11/2, 13/2. | ||
2226.82 | (9/2-) | Jπ(level): Probable allowed or first-forbidden ε+β+ feeding from (11/2-) parent and γ to 7/2+ suggest 9/2, 11/2+. Jπ=(9/2-) is supported by expected dominance of h11/2 proton to h9/2 neutron component in the β transitions (1989Fi01). | |
2267.28 | (9/2-) | Jπ(level): Probable allowed or first-forbidden ε+β+ feeding from (11/2-) parent and γ to 7/2+ suggest 9/2, 11/2+. Jπ=(9/2-) is supported by expected dominance of h11/2 proton to h9/2 neutron component in the β transitions (1989Fi01). | |
2286.0 | (19/2-) | E(level): Band based on g.s. Jπ(level): Probable member of configuration=πh11/23 (1980Wi11) in (32S,4nγ). | |
2297.3 | (9/2-) | Jπ(level): Probable allowed or first-forbidden ε+β+ feeding from (11/2-) parent and γ to 7/2+ suggest 9/2, 11/2+. Jπ=(9/2-) is supported by expected dominance of h11/2 proton to h9/2 neutron component in the β transitions (1989Fi01). | |
2317.62 | E(level): Weakly populated level in 149Er ε decay (9.6 s). Possible allowed or first-forbidden ε+β+ feeding from (11/2-) parent and γ to (11/2-) g.s. suggests 9/2, 11/2, 13/2. Jπ(level): Weakly populated level in 149Er ε decay (9.6 s). Possible allowed or first-forbidden ε+β+ feeding from (11/2-) parent and γ to (11/2-) g.s. suggests 9/2, 11/2, 13/2. | ||
2321.71 | (9/2-) | Jπ(level): Probable allowed or first-forbidden ε+β+ feeding from (11/2-) parent and γ to 7/2+ suggest 9/2, 11/2+. Jπ=(9/2-) is supported by expected dominance of h11/2 proton to h9/2 neutron component in the β transitions (1989Fi01). | |
2326.82 | E(level): Weakly populated level in 149Er ε decay (9.6 s). Possible allowed or first-forbidden ε+β+ feeding from (11/2-) parent and γ to (11/2-) g.s. suggests 9/2, 11/2, 13/2. Jπ(level): Weakly populated level in 149Er ε decay (9.6 s). Possible allowed or first-forbidden ε+β+ feeding from (11/2-) parent and γ to (11/2-) g.s. suggests 9/2, 11/2, 13/2. | ||
2367.9 | E(level): Weakly populated level in 149Er ε decay (9.6 s). Possible allowed or first-forbidden ε+β+ feeding from (11/2-) parent and γ to (11/2-) g.s. suggests 9/2, 11/2, 13/2. Jπ(level): Weakly populated level in 149Er ε decay (9.6 s). Possible allowed or first-forbidden ε+β+ feeding from (11/2-) parent and γ to (11/2-) g.s. suggests 9/2, 11/2, 13/2. | ||
2381.32 | E(level): Weakly populated level in 149Er ε decay (9.6 s). Possible allowed or first-forbidden ε+β+ feeding from (11/2-) parent and γ to (11/2-) g.s. suggests 9/2, 11/2, 13/2. Jπ(level): Weakly populated level in 149Er ε decay (9.6 s). Possible allowed or first-forbidden ε+β+ feeding from (11/2-) parent and γ to (11/2-) g.s. suggests 9/2, 11/2, 13/2. | ||
2407.3 | (23/2+) | E(level): Band based on (15/2+). | |
2449.7 | (9/2-) | Jπ(level): Probable allowed or first-forbidden ε+β+ feeding from (11/2-) parent and γ to 7/2+ suggest 9/2, 11/2+. Jπ=(9/2-) is supported by expected dominance of h11/2 proton to h9/2 neutron component in the β transitions (1989Fi01). | |
2469.37 | (9/2-) | Jπ(level): Probable allowed or first-forbidden ε+β+ feeding from (11/2-) parent and γ to 7/2+ suggest 9/2, 11/2+. Jπ=(9/2-) is supported by expected dominance of h11/2 proton to h9/2 neutron component in the β transitions (1989Fi01). | |
2493.2 | (9/2-) | Jπ(level): Probable allowed or first-forbidden ε+β+ feeding from (11/2-) parent and γ to 7/2+ suggest 9/2, 11/2+. Jπ=(9/2-) is supported by expected dominance of h11/2 proton to h9/2 neutron component in the β transitions (1989Fi01). | |
2499.4 | E(level): Weakly populated uncertain level in 149Er ε decay (9.6 s). Possible allowed or first-forbidden ε+β+ feeding from (11/2-) parent and γ to (11/2-) g.s. suggests 9/2, 11/2, 13/2. Jπ(level): Weakly populated uncertain level in 149Er ε decay (9.6 s). Possible allowed or first-forbidden ε+β+ feeding from (11/2-) parent and γ to (11/2-) g.s. suggests 9/2, 11/2, 13/2. | ||
2512.52 | E(level): Weakly populated level in 149Er ε decay (9.6 s). Possible allowed or first-forbidden ε+β+ feeding from (11/2-) parent and γ to (11/2-) g.s. suggests 9/2, 11/2, 13/2. Jπ(level): Weakly populated level in 149Er ε decay (9.6 s). Possible allowed or first-forbidden ε+β+ feeding from (11/2-) parent and γ to (11/2-) g.s. suggests 9/2, 11/2, 13/2. | ||
2580.42 | E(level): Weakly populated level in 149Er ε decay (9.6 s). Possible allowed or first-forbidden ε+β+ feeding from (11/2-) parent and γ to (11/2-) g.s. suggests 9/2, 11/2, 13/2. Jπ(level): Weakly populated level in 149Er ε decay (9.6 s). Possible allowed or first-forbidden ε+β+ feeding from (11/2-) parent and γ to (11/2-) g.s. suggests 9/2, 11/2, 13/2. | ||
2591.4 | E(level): Weakly populated level in 149Er ε decay (9.6 s). Possible allowed or first-forbidden ε+β+ feeding from (11/2-) parent and γ to (11/2-) g.s. suggests 9/2, 11/2, 13/2. Jπ(level): Weakly populated level in 149Er ε decay (9.6 s). Possible allowed or first-forbidden ε+β+ feeding from (11/2-) parent and γ to (11/2-) g.s. suggests 9/2, 11/2, 13/2. | ||
2592.1 | (23/2-) | E(level): Band based on g.s. Jπ(level): Probable member of configuration=πh11/23 (1980Wi11) in (32S,4nγ). | |
2607.41 | (9/2-) | Jπ(level): Probable allowed or first-forbidden ε+β+ feeding from (11/2-) parent and γ to 7/2+ suggest 9/2, 11/2+. Jπ=(9/2-) is supported by expected dominance of h11/2 proton to h9/2 neutron component in the β transitions (1989Fi01). | |
2633.3 | E(level): Weakly populated level in 149Er ε decay (9.6 s). Possible allowed or first-forbidden ε+β+ feeding from (11/2-) parent and γ to (11/2-) g.s. suggests 9/2, 11/2, 13/2. Jπ(level): Weakly populated level in 149Er ε decay (9.6 s). Possible allowed or first-forbidden ε+β+ feeding from (11/2-) parent and γ to (11/2-) g.s. suggests 9/2, 11/2, 13/2. | ||
2677.0 | (9/2-) | Jπ(level): Probable allowed or first-forbidden ε+β+ feeding from (11/2-) parent and γ to 7/2+ suggest 9/2, 11/2+. Jπ=(9/2-) is supported by expected dominance of h11/2 proton to h9/2 neutron component in the β transitions (1989Fi01). | |
2714.8 | E(level): Weakly populated level in 149Er ε decay (9.6 s). Possible allowed or first-forbidden ε+β+ feeding from (11/2-) parent and γ to (11/2-) g.s. suggests 9/2, 11/2, 13/2. Jπ(level): Weakly populated level in 149Er ε decay (9.6 s). Possible allowed or first-forbidden ε+β+ feeding from (11/2-) parent and γ to (11/2-) g.s. suggests 9/2, 11/2, 13/2. | ||
2735.9 | (27/2-) | 59 ns 4 | E(level): Band based on g.s. Jπ(level): Probable member of configuration=πh11/23 (1980Wi11) in (32S,4nγ). |
2804.5 | E(level): Weakly populated uncertain level in 149Er ε decay (9.6 s). Possible allowed or first-forbidden ε+β+ feeding from (11/2-) parent and γ to (11/2-) g.s. suggests 9/2, 11/2, 13/2. Jπ(level): Weakly populated uncertain level in 149Er ε decay (9.6 s). Possible allowed or first-forbidden ε+β+ feeding from (11/2-) parent and γ to (11/2-) g.s. suggests 9/2, 11/2, 13/2. | ||
E(level) | Jπ(level) | T1/2(level) | Comments |
2824.9 | (9/2-) | Jπ(level): Probable allowed or first-forbidden ε+β+ feeding from (11/2-) parent and γ to 7/2+ suggest 9/2, 11/2+. Jπ=(9/2-) is supported by expected dominance of h11/2 proton to h9/2 neutron component in the β transitions (1989Fi01). | |
2849.1 | (29/2,31/2) | E(level): Band based on (29/2,31/2). Jπ(level): Proposed by 2010Ko12 in (40Ar,p2nγ), based on measured anisotropies, band assignments, and shell-model predictions. | |
2851.2 | E(level): Weakly populated uncertain level in 149Er ε decay (9.6 s). Possible allowed or first-forbidden ε+β+ feeding from (11/2-) parent and γ to (11/2-) g.s. suggests 9/2, 11/2, 13/2. Jπ(level): Weakly populated uncertain level in 149Er ε decay (9.6 s). Possible allowed or first-forbidden ε+β+ feeding from (11/2-) parent and γ to (11/2-) g.s. suggests 9/2, 11/2, 13/2. | ||
2901.7 | E(level): Weakly populated uncertain level in 149Er ε decay (9.6 s). Possible allowed or first-forbidden ε+β+ feeding from (11/2-) parent and γ to (11/2-) g.s. suggests 9/2, 11/2, 13/2. Jπ(level): Weakly populated uncertain level in 149Er ε decay (9.6 s). Possible allowed or first-forbidden ε+β+ feeding from (11/2-) parent and γ to (11/2-) g.s. suggests 9/2, 11/2, 13/2. | ||
2913.9 | (9/2-) | Jπ(level): Probable allowed or first-forbidden ε+β+ feeding from (11/2-) parent and γ to 7/2+ suggest 9/2, 11/2+. Jπ=(9/2-) is supported by expected dominance of h11/2 proton to h9/2 neutron component in the β transitions (1989Fi01). | |
2935.7 | E(level): Weakly populated level in 149Er ε decay (9.6 s). Possible allowed or first-forbidden ε+β+ feeding from (11/2-) parent and γ to (11/2-) g.s. suggests 9/2, 11/2, 13/2. Jπ(level): Weakly populated level in 149Er ε decay (9.6 s). Possible allowed or first-forbidden ε+β+ feeding from (11/2-) parent and γ to (11/2-) g.s. suggests 9/2, 11/2, 13/2. | ||
2939.3 | E(level): Weakly populated uncertain level in 149Er ε decay (9.6 s). Possible allowed or first-forbidden ε+β+ feeding from (11/2-) parent and γ to (11/2-) g.s. suggests 9/2, 11/2, 13/2. Jπ(level): Weakly populated uncertain level in 149Er ε decay (9.6 s). Possible allowed or first-forbidden ε+β+ feeding from (11/2-) parent and γ to (11/2-) g.s. suggests 9/2, 11/2, 13/2. | ||
2965.5 | E(level): Weakly populated level in 149Er ε decay (9.6 s). Possible allowed or first-forbidden ε+β+ feeding from (11/2-) parent and γ to (11/2-) g.s. suggests 9/2, 11/2, 13/2. Jπ(level): Weakly populated level in 149Er ε decay (9.6 s). Possible allowed or first-forbidden ε+β+ feeding from (11/2-) parent and γ to (11/2-) g.s. suggests 9/2, 11/2, 13/2. | ||
2977.8 | E(level): Weakly populated level in 149Er ε decay (9.6 s). Possible allowed or first-forbidden ε+β+ feeding from (11/2-) parent and γ to (11/2-) g.s. suggests 9/2, 11/2, 13/2. Jπ(level): Weakly populated level in 149Er ε decay (9.6 s). Possible allowed or first-forbidden ε+β+ feeding from (11/2-) parent and γ to (11/2-) g.s. suggests 9/2, 11/2, 13/2. | ||
2992.3 | (9/2-) | Jπ(level): Probable allowed or first-forbidden ε+β+ feeding from (11/2-) parent and γ to 7/2+ suggest 9/2, 11/2+. Jπ=(9/2-) is supported by expected dominance of h11/2 proton to h9/2 neutron component in the β transitions (1989Fi01). | |
2996.63 | E(level): Weakly populated level in 149Er ε decay (9.6 s). Possible allowed or first-forbidden ε+β+ feeding from (11/2-) parent and γ to (11/2-) g.s. suggests 9/2, 11/2, 13/2. Jπ(level): Weakly populated level in 149Er ε decay (9.6 s). Possible allowed or first-forbidden ε+β+ feeding from (11/2-) parent and γ to (11/2-) g.s. suggests 9/2, 11/2, 13/2. | ||
3000.9 | (9/2-) | Jπ(level): Probable allowed or first-forbidden ε+β+ feeding from (11/2-) parent and γ to 7/2+ suggest 9/2, 11/2+. Jπ=(9/2-) is supported by expected dominance of h11/2 proton to h9/2 neutron component in the β transitions (1989Fi01). | |
3005.0 | (9/2-) | Jπ(level): Probable allowed or first-forbidden ε+β+ feeding from (11/2-) parent and γ to 7/2+ suggest 9/2, 11/2+. Jπ=(9/2-) is supported by expected dominance of h11/2 proton to h9/2 neutron component in the β transitions (1989Fi01). | |
3049.0 | E(level): Weakly populated level in 149Er ε decay (9.6 s). Possible allowed or first-forbidden ε+β+ feeding from (11/2-) parent and γ to (11/2-) g.s. suggests 9/2, 11/2, 13/2. Jπ(level): Weakly populated level in 149Er ε decay (9.6 s). Possible allowed or first-forbidden ε+β+ feeding from (11/2-) parent and γ to (11/2-) g.s. suggests 9/2, 11/2, 13/2. | ||
3061.0 | E(level): Weakly populated uncertain level in 149Er ε decay (9.6 s). Possible allowed or first-forbidden ε+β+ feeding from (11/2-) parent and γ to (11/2-) g.s. suggests 9/2, 11/2, 13/2. Jπ(level): Weakly populated uncertain level in 149Er ε decay (9.6 s). Possible allowed or first-forbidden ε+β+ feeding from (11/2-) parent and γ to (11/2-) g.s. suggests 9/2, 11/2, 13/2. | ||
3124.9 | (9/2-) | Jπ(level): Probable allowed or first-forbidden ε+β+ feeding from (11/2-) parent and γ to 7/2+ suggest 9/2, 11/2+. Jπ=(9/2-) is supported by expected dominance of h11/2 proton to h9/2 neutron component in the β transitions (1989Fi01). | |
3174.9 | E(level): Weakly populated uncertain level in 149Er ε decay (9.6 s). Possible allowed or first-forbidden ε+β+ feeding from (11/2-) parent and γ to (11/2-) g.s. suggests 9/2, 11/2, 13/2. Jπ(level): Weakly populated uncertain level in 149Er ε decay (9.6 s). Possible allowed or first-forbidden ε+β+ feeding from (11/2-) parent and γ to (11/2-) g.s. suggests 9/2, 11/2, 13/2. | ||
3226.2 | E(level): Weakly populated uncertain level in 149Er ε decay (9.6 s). Possible allowed or first-forbidden ε+β+ feeding from (11/2-) parent and γ to (11/2-) g.s. suggests 9/2, 11/2, 13/2. Jπ(level): Weakly populated uncertain level in 149Er ε decay (9.6 s). Possible allowed or first-forbidden ε+β+ feeding from (11/2-) parent and γ to (11/2-) g.s. suggests 9/2, 11/2, 13/2. | ||
3263.1 | E(level): Weakly populated uncertain level in 149Er ε decay (9.6 s). Possible allowed or first-forbidden ε+β+ feeding from (11/2-) parent and γ to (11/2-) g.s. suggests 9/2, 11/2, 13/2. Jπ(level): Weakly populated uncertain level in 149Er ε decay (9.6 s). Possible allowed or first-forbidden ε+β+ feeding from (11/2-) parent and γ to (11/2-) g.s. suggests 9/2, 11/2, 13/2. | ||
3305.8 | E(level): Weakly populated uncertain level in 149Er ε decay (9.6 s). Possible allowed or first-forbidden ε+β+ feeding from (11/2-) parent and γ to (11/2-) g.s. suggests 9/2, 11/2, 13/2. Jπ(level): Weakly populated uncertain level in 149Er ε decay (9.6 s). Possible allowed or first-forbidden ε+β+ feeding from (11/2-) parent and γ to (11/2-) g.s. suggests 9/2, 11/2, 13/2. | ||
3325.2 | E(level): Weakly populated uncertain level in 149Er ε decay (9.6 s). Possible allowed or first-forbidden ε+β+ feeding from (11/2-) parent and γ to (11/2-) g.s. suggests 9/2, 11/2, 13/2. Jπ(level): Weakly populated uncertain level in 149Er ε decay (9.6 s). Possible allowed or first-forbidden ε+β+ feeding from (11/2-) parent and γ to (11/2-) g.s. suggests 9/2, 11/2, 13/2. | ||
3338.4 | E(level): Weakly populated uncertain level in 149Er ε decay (9.6 s). Possible allowed or first-forbidden ε+β+ feeding from (11/2-) parent and γ to (11/2-) g.s. suggests 9/2, 11/2, 13/2. Jπ(level): Weakly populated uncertain level in 149Er ε decay (9.6 s). Possible allowed or first-forbidden ε+β+ feeding from (11/2-) parent and γ to (11/2-) g.s. suggests 9/2, 11/2, 13/2. | ||
3536.3 | E(level): Weakly populated uncertain level in 149Er ε decay (9.6 s). Possible allowed or first-forbidden ε+β+ feeding from (11/2-) parent and γ to (11/2-) g.s. suggests 9/2, 11/2, 13/2. Jπ(level): Weakly populated uncertain level in 149Er ε decay (9.6 s). Possible allowed or first-forbidden ε+β+ feeding from (11/2-) parent and γ to (11/2-) g.s. suggests 9/2, 11/2, 13/2. | ||
3790 | (1/2,3/2) | E(level): Level deexcites by proton emission (1989Fi01). No γ rays are known. The uncertainty is ≈50 keV. Jπ(level): Evidence of allowed or first-forbidden ε feeding from (1/2+) parent. | |
3795.1 | E(level): Weakly populated uncertain level in 149Er ε decay (9.6 s). Possible allowed or first-forbidden ε+β+ feeding from (11/2-) parent and γ to (11/2-) g.s. suggests 9/2, 11/2, 13/2. Jπ(level): Weakly populated uncertain level in 149Er ε decay (9.6 s). Possible allowed or first-forbidden ε+β+ feeding from (11/2-) parent and γ to (11/2-) g.s. suggests 9/2, 11/2, 13/2. | ||
E(level) | Jπ(level) | T1/2(level) | Comments |
3828.3 | E(level): Weakly populated uncertain level in 149Er ε decay (9.6 s). Possible allowed or first-forbidden ε+β+ feeding from (11/2-) parent and γ to (11/2-) g.s. suggests 9/2, 11/2, 13/2. Jπ(level): Weakly populated uncertain level in 149Er ε decay (9.6 s). Possible allowed or first-forbidden ε+β+ feeding from (11/2-) parent and γ to (11/2-) g.s. suggests 9/2, 11/2, 13/2. | ||
3885.6 | E(level): Weakly populated uncertain level in 149Er ε decay (9.6 s). Possible allowed or first-forbidden ε+β+ feeding from (11/2-) parent and γ to (11/2-) g.s. suggests 9/2, 11/2, 13/2. Jπ(level): Weakly populated uncertain level in 149Er ε decay (9.6 s). Possible allowed or first-forbidden ε+β+ feeding from (11/2-) parent and γ to (11/2-) g.s. suggests 9/2, 11/2, 13/2. | ||
3931.2 | (31/2,33/2) | E(level): Band based on (31/2,33/2). Jπ(level): Proposed by 2010Ko12 in (40Ar,p2nγ), based on measured anisotropies, band assignments, and shell-model predictions. | |
3990 | (1/2,3/2) | E(level): Level deexcites by proton emission (1989Fi01). No γ rays are known. The uncertainty is ≈50 keV. Jπ(level): Evidence of allowed or first-forbidden ε feeding from (1/2+) parent. | |
4003.2 | E(level): Weakly populated uncertain level in 149Er ε decay (9.6 s). Possible allowed or first-forbidden ε+β+ feeding from (11/2-) parent and γ to (11/2-) g.s. suggests 9/2, 11/2, 13/2. Jπ(level): Weakly populated uncertain level in 149Er ε decay (9.6 s). Possible allowed or first-forbidden ε+β+ feeding from (11/2-) parent and γ to (11/2-) g.s. suggests 9/2, 11/2, 13/2. | ||
4029.2 | (33/2,35/2) | E(level): Band based on (29/2,31/2). Jπ(level): Proposed by 2010Ko12 in (40Ar,p2nγ), based on measured anisotropies, band assignments, and shell-model predictions. | |
4037.3 | E(level): Weakly populated uncertain level in 149Er ε decay (9.6 s). Possible allowed or first-forbidden ε+β+ feeding from (11/2-) parent and γ to (11/2-) g.s. suggests 9/2, 11/2, 13/2. Jπ(level): Weakly populated uncertain level in 149Er ε decay (9.6 s). Possible allowed or first-forbidden ε+β+ feeding from (11/2-) parent and γ to (11/2-) g.s. suggests 9/2, 11/2, 13/2. | ||
4086.4 | E(level): Weakly populated uncertain level in 149Er ε decay (9.6 s). Possible allowed or first-forbidden ε+β+ feeding from (11/2-) parent and γ to (11/2-) g.s. suggests 9/2, 11/2, 13/2. Jπ(level): Weakly populated uncertain level in 149Er ε decay (9.6 s). Possible allowed or first-forbidden ε+β+ feeding from (11/2-) parent and γ to (11/2-) g.s. suggests 9/2, 11/2, 13/2. | ||
4236.0 | E(level): Weakly populated uncertain level in 149Er ε decay (9.6 s). Possible allowed or first-forbidden ε+β+ feeding from (11/2-) parent and γ to (11/2-) g.s. suggests 9/2, 11/2, 13/2. Jπ(level): Weakly populated uncertain level in 149Er ε decay (9.6 s). Possible allowed or first-forbidden ε+β+ feeding from (11/2-) parent and γ to (11/2-) g.s. suggests 9/2, 11/2, 13/2. | ||
4240 | (1/2,3/2) | E(level): Level deexcites by proton emission (1989Fi01). No γ rays are known. The uncertainty is ≈50 keV. Jπ(level): Evidence of allowed or first-forbidden ε feeding from (1/2+) parent. | |
4330.6 | (35/2,37/2) | E(level): Band based on (31/2,33/2). Jπ(level): Proposed by 2010Ko12 in (40Ar,p2nγ), based on measured anisotropies, band assignments, and shell-model predictions. | |
4386.0 | E(level): Weakly populated uncertain level in 149Er ε decay (9.6 s). Possible allowed or first-forbidden ε+β+ feeding from (11/2-) parent and γ to (11/2-) g.s. suggests 9/2, 11/2, 13/2. Jπ(level): Weakly populated uncertain level in 149Er ε decay (9.6 s). Possible allowed or first-forbidden ε+β+ feeding from (11/2-) parent and γ to (11/2-) g.s. suggests 9/2, 11/2, 13/2. | ||
4413.5 | E(level): Weakly populated level in 149Er ε decay (9.6 s). Possible allowed or first-forbidden ε+β+ feeding from (11/2-) parent and γ to (11/2-) g.s. suggests 9/2, 11/2, 13/2. Jπ(level): Weakly populated level in 149Er ε decay (9.6 s). Possible allowed or first-forbidden ε+β+ feeding from (11/2-) parent and γ to (11/2-) g.s. suggests 9/2, 11/2, 13/2. | ||
4433.9 | E(level): Weakly populated uncertain level in 149Er ε decay (9.6 s). Possible allowed or first-forbidden ε+β+ feeding from (11/2-) parent and γ to (11/2-) g.s. suggests 9/2, 11/2, 13/2. Jπ(level): Weakly populated uncertain level in 149Er ε decay (9.6 s). Possible allowed or first-forbidden ε+β+ feeding from (11/2-) parent and γ to (11/2-) g.s. suggests 9/2, 11/2, 13/2. | ||
4441.4 | E(level): Weakly populated level in 149Er ε decay (9.6 s). Possible allowed or first-forbidden ε+β+ feeding from (11/2-) parent and γ to (11/2-) g.s. suggests 9/2, 11/2, 13/2. Jπ(level): Weakly populated level in 149Er ε decay (9.6 s). Possible allowed or first-forbidden ε+β+ feeding from (11/2-) parent and γ to (11/2-) g.s. suggests 9/2, 11/2, 13/2. | ||
4470 | (1/2,3/2) | E(level): Level deexcites by proton emission (1989Fi01). No γ rays are known. The uncertainty is ≈50 keV. Jπ(level): Evidence of allowed or first-forbidden ε feeding from (1/2+) parent. | |
4552.5 | E(level): Weakly populated uncertain level in 149Er ε decay (9.6 s). Possible allowed or first-forbidden ε+β+ feeding from (11/2-) parent and γ to (11/2-) g.s. suggests 9/2, 11/2, 13/2. Jπ(level): Weakly populated uncertain level in 149Er ε decay (9.6 s). Possible allowed or first-forbidden ε+β+ feeding from (11/2-) parent and γ to (11/2-) g.s. suggests 9/2, 11/2, 13/2. | ||
4616.8 | E(level): Weakly populated uncertain level in 149Er ε decay (9.6 s). Possible allowed or first-forbidden ε+β+ feeding from (11/2-) parent and γ to (11/2-) g.s. suggests 9/2, 11/2, 13/2. Jπ(level): Weakly populated uncertain level in 149Er ε decay (9.6 s). Possible allowed or first-forbidden ε+β+ feeding from (11/2-) parent and γ to (11/2-) g.s. suggests 9/2, 11/2, 13/2. | ||
4622.4 | E(level): Weakly populated uncertain level in 149Er ε decay (9.6 s). Possible allowed or first-forbidden ε+β+ feeding from (11/2-) parent and γ to (11/2-) g.s. suggests 9/2, 11/2, 13/2. Jπ(level): Weakly populated uncertain level in 149Er ε decay (9.6 s). Possible allowed or first-forbidden ε+β+ feeding from (11/2-) parent and γ to (11/2-) g.s. suggests 9/2, 11/2, 13/2. | ||
4645.6 | E(level): Weakly populated uncertain level in 149Er ε decay (9.6 s). Possible allowed or first-forbidden ε+β+ feeding from (11/2-) parent and γ to (11/2-) g.s. suggests 9/2, 11/2, 13/2. Jπ(level): Weakly populated uncertain level in 149Er ε decay (9.6 s). Possible allowed or first-forbidden ε+β+ feeding from (11/2-) parent and γ to (11/2-) g.s. suggests 9/2, 11/2, 13/2. | ||
4652.1 | E(level): Weakly populated level in 149Er ε decay (9.6 s). Possible allowed or first-forbidden ε+β+ feeding from (11/2-) parent and γ to (11/2-) g.s. suggests 9/2, 11/2, 13/2. Jπ(level): Weakly populated level in 149Er ε decay (9.6 s). Possible allowed or first-forbidden ε+β+ feeding from (11/2-) parent and γ to (11/2-) g.s. suggests 9/2, 11/2, 13/2. | ||
4661.68 | E(level): Weakly populated level in 149Er ε decay (9.6 s). Possible allowed or first-forbidden ε+β+ feeding from (11/2-) parent and γ to (11/2-) g.s. suggests 9/2, 11/2, 13/2. Jπ(level): Weakly populated level in 149Er ε decay (9.6 s). Possible allowed or first-forbidden ε+β+ feeding from (11/2-) parent and γ to (11/2-) g.s. suggests 9/2, 11/2, 13/2. | ||
4676.7 | E(level): Weakly populated uncertain level in 149Er ε decay (9.6 s). Possible allowed or first-forbidden ε+β+ feeding from (11/2-) parent and γ to (11/2-) g.s. suggests 9/2, 11/2, 13/2. Jπ(level): Weakly populated uncertain level in 149Er ε decay (9.6 s). Possible allowed or first-forbidden ε+β+ feeding from (11/2-) parent and γ to (11/2-) g.s. suggests 9/2, 11/2, 13/2. | ||
4680.3 | (31/2-) | Jπ(level): Proposed by 2010Ko12 in (40Ar,p2nγ), based on measured anisotropies, band assignments, and shell-model predictions. | |
4699.68 | E(level): Weakly populated level in 149Er ε decay (9.6 s). Possible allowed or first-forbidden ε+β+ feeding from (11/2-) parent and γ to (11/2-) g.s. suggests 9/2, 11/2, 13/2. Jπ(level): Weakly populated level in 149Er ε decay (9.6 s). Possible allowed or first-forbidden ε+β+ feeding from (11/2-) parent and γ to (11/2-) g.s. suggests 9/2, 11/2, 13/2. | ||
E(level) | Jπ(level) | T1/2(level) | Comments |
4706.1 | E(level): Weakly populated level in 149Er ε decay (9.6 s). Possible allowed or first-forbidden ε+β+ feeding from (11/2-) parent and γ to (11/2-) g.s. suggests 9/2, 11/2, 13/2. Jπ(level): Weakly populated level in 149Er ε decay (9.6 s). Possible allowed or first-forbidden ε+β+ feeding from (11/2-) parent and γ to (11/2-) g.s. suggests 9/2, 11/2, 13/2. | ||
4750.0 | E(level): Weakly populated uncertain level in 149Er ε decay (9.6 s). Possible allowed or first-forbidden ε+β+ feeding from (11/2-) parent and γ to (11/2-) g.s. suggests 9/2, 11/2, 13/2. Jπ(level): Weakly populated uncertain level in 149Er ε decay (9.6 s). Possible allowed or first-forbidden ε+β+ feeding from (11/2-) parent and γ to (11/2-) g.s. suggests 9/2, 11/2, 13/2. | ||
4765.3 | (39/2,41/2) | E(level): Band based on (31/2,33/2). Jπ(level): Proposed by 2010Ko12 in (40Ar,p2nγ), based on measured anisotropies, band assignments, and shell-model predictions. | |
4820.9 | (37/2,39/2) | E(level): Band based on (29/2,31/2). Jπ(level): Proposed by 2010Ko12 in (40Ar,p2nγ), based on measured anisotropies, band assignments, and shell-model predictions. | |
4822.9 | E(level): Weakly populated uncertain level in 149Er ε decay (9.6 s). Possible allowed or first-forbidden ε+β+ feeding from (11/2-) parent and γ to (11/2-) g.s. suggests 9/2, 11/2, 13/2. Jπ(level): Weakly populated uncertain level in 149Er ε decay (9.6 s). Possible allowed or first-forbidden ε+β+ feeding from (11/2-) parent and γ to (11/2-) g.s. suggests 9/2, 11/2, 13/2. | ||
4851.1 | E(level): Weakly populated uncertain level in 149Er ε decay (9.6 s). Possible allowed or first-forbidden ε+β+ feeding from (11/2-) parent and γ to (11/2-) g.s. suggests 9/2, 11/2, 13/2. Jπ(level): Weakly populated uncertain level in 149Er ε decay (9.6 s). Possible allowed or first-forbidden ε+β+ feeding from (11/2-) parent and γ to (11/2-) g.s. suggests 9/2, 11/2, 13/2. | ||
4970 | (1/2,3/2) | E(level): Level deexcites by proton emission (1989Fi01). No γ rays are known. The uncertainty is ≈50 keV. Jπ(level): Evidence of allowed or first-forbidden ε feeding from (1/2+) parent. | |
5050 | (1/2,3/2) | E(level): Level deexcites by proton emission (1989Fi01). No γ rays are known. The uncertainty is ≈50 keV. Jπ(level): Evidence of allowed or first-forbidden ε feeding from (1/2+) parent. | |
5079.2 | E(level): Weakly populated level in 149Er ε decay (9.6 s). Possible allowed or first-forbidden ε+β+ feeding from (11/2-) parent and γ to (11/2-) g.s. suggests 9/2, 11/2, 13/2. Jπ(level): Weakly populated level in 149Er ε decay (9.6 s). Possible allowed or first-forbidden ε+β+ feeding from (11/2-) parent and γ to (11/2-) g.s. suggests 9/2, 11/2, 13/2. | ||
5098.7 | E(level): Weakly populated level in 149Er ε decay (9.6 s). Possible allowed or first-forbidden ε+β+ feeding from (11/2-) parent and γ to (11/2-) g.s. suggests 9/2, 11/2, 13/2. Jπ(level): Weakly populated level in 149Er ε decay (9.6 s). Possible allowed or first-forbidden ε+β+ feeding from (11/2-) parent and γ to (11/2-) g.s. suggests 9/2, 11/2, 13/2. | ||
5210.9 | (35/2-) | Jπ(level): Proposed by 2010Ko12 in (40Ar,p2nγ), based on measured anisotropies, band assignments, and shell-model predictions. | |
5505.9 | (39/2,41/2) | E(level): Band based on (29/2,31/2). Jπ(level): Proposed by 2010Ko12 in (40Ar,p2nγ), based on measured anisotropies, band assignments, and shell-model predictions. | |
7.20E3 | ≥ 100 ns | 1980Bo07 propose the following γ rays deexciting this isomer: 337, 436, 636, 648, 671, 777, 896. But no level scheme is proposed. |
149Ho produced and identified by 1979To01, followed by later studies of its decay.
2012Th13: deduced mass excess.
Theoretical studies: consult the NSR database at www.nndc.bnl.gov/nsr/ for eight references for structure and three for radioactive decay listed under ’document records’ which can be accessed through web retrieval of the ENSDF database at www.nndc.bnl.gov/ensdf/
Levels: Band assignments are from 2010Ko12 in (40Ar,p2nγ)
Q-value: Q(ε)=6048 13, Q(εp)=1602 15, S(2n)=22031 13, S(2p)=5481 14 (2021Wa16)