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)