ADOPTED LEVELS, GAMMAS for 126La
Authors: H. Iimura, J.Katakura, S. Ohya | Citation: Nucl. Data Sheets 180, 1 (2022) | Cutoff date: 1-Oct-2021
Full ENSDF file | Adopted Levels (PDF version)
Q(β-)=-4150 keV 90 | S(n)= 9290 keV 90 | S(p)= 2590 keV 90 | Q(α)= 750 keV 100 | ||
Reference: 2021WA16 |
References: | |||
A | 126Ce ε decay | B | (HI,xnγ) |
E(level) (keV) | XREF | Jπ(level) | T1/2(level) | E(γ) (keV) | I(γ) | M(γ) | Final Levels | |
0.0+V | A | (4,5) | 54 s 2 % ε > 0 | |||||
0.0+W | A | (0-,1,2-) | < 50 s % ε = ? % IT = ? | |||||
0.0+X | B | (7+) | ||||||
0.0+Y | B | (4-) | ||||||
70.56+X 24 | B | (8+) | 70.5 | | M1 | 0.0+X | (7+) | |
81.9+Y 8 | B | (5-) | 82 | | M1+E2 | 0.0+Y | (4-) | |
147.1+Y 9 | B | (5-) | 147 | | 0.0+Y | (4-) | ||
186.14+X 24 | B | (9+) | 115.5 186.2 | 100 9 6.6 19 | M1 Q | 70.56+X 0.0+X | (8+) (7+) | |
210.0+Y 8 | B | (6-) | 128 210 | | M1 | 81.9+Y 0.0+Y | (5-) (4-) | |
323.0+X 3 | B | (10+) | 136.7 252.5 | 100 8 22 5 | M1 Q | 186.14+X 70.56+X | (9+) (8+) | |
388.8+Y 9 | B | (7-) | 179 307 | | M1,E2 | 210.0+Y 81.9+Y | (6-) (5-) | |
454.1+Y 9 | B | (7-) | 244 307 | | 210.0+Y 147.1+Y | (6-) (5-) | ||
553.6+X 3 | B | (11+) | 230.7 367.6 | 100.0 23 23.1 21 | M1,E2 Q | 323.0+X 186.14+X | (10+) (9+) | |
612.1+Y 9 | B | (8-) | 158 223 402 | | M1,E2 | 454.1+Y 388.8+Y 210.0+Y | (7-) (7-) (6-) | |
764.5+X 3 | B | (12+) | 211.0 441 | 100 9 68 7 | M1,E2 Q | 553.6+X 323.0+X | (11+) (10+) | |
872.3+Y 10 | B | (9-) | 260 484 | | 612.1+Y 388.8+Y | (8-) (7-) | ||
932.4+Y 10 | B | (9-) | 320 478 | | 612.1+Y 454.1+Y | (8-) (7-) | ||
E(level) (keV) | XREF | Jπ(level) | T1/2(level) | E(γ) (keV) | I(γ) | M(γ) | Final Levels | |
1081.7+X 4 | B | (10+) | 895.6 | | 186.14+X | (9+) | ||
1094.6+X 4 | B | (13+) | 330.2 541.0 | 100 9 60 12 | M1,E2 Q | 764.5+X 553.6+X | (12+) (11+) | |
1180.8+Y 10 | B | (10-) | 248 309 569 | | 932.4+Y 872.3+Y 612.1+Y | (9-) (9-) (8-) | ||
1318.6+X 4 | B | (11+) | 237.0 995.6 | 100 30 | D+Q | 1081.7+X 323.0+X | (10+) (10+) | |
1379.7+X 4 | B | (14+) | 285.0 615.2 | 45 5 100 12 | M1,E2 Q | 1094.6+X 764.5+X | (13+) (12+) | |
1472.2+X 3 | B | (12+) | 153.5 390.5 707.5 918.5 1149.2 | 15 4 44 17 29 9 100 34 46 15 | D+Q D+Q D+Q Q | 1318.6+X 1081.7+X 764.5+X 553.6+X 323.0+X | (11+) (10+) (12+) (11+) (10+) | |
1508.7+Y 12 | B | (11-) | 328 636 | | 1180.8+Y 872.3+Y | (10-) (9-) | ||
1562.6+Y 12 | B | (11-) | 382 630 | | 1180.8+Y 932.4+Y | (10-) (9-) | ||
1791.4+X 4 | B | (15+) | 411.7 696.8 | 59 8 100 12 | D+Q Q | 1379.7+X 1094.6+X | (14+) (13+) | |
1811.5+X 4 | B | (13+) | 339.4 493.0 1047.0 1258.0 | 100 27 90 29 73 25 48 17 | D+Q Q D+Q Q | 1472.2+X 1318.6+X 764.5+X 553.6+X | (12+) (11+) (12+) (11+) | |
1884.5+Y 12 | B | (12-) | 376 704 | | 1508.7+Y 1180.8+Y | (11-) (10-) | ||
2040.8+X 4 | B | (14+) | 229.3 568.5 661.2 946.2 1276.3 | 34 12 100 34 20 8 48 17 34 12 | D+Q Q D+Q D+Q Q | 1811.5+X 1472.2+X 1379.7+X 1094.6+X 764.5+X | (13+) (12+) (14+) (13+) (12+) | |
E(level) (keV) | XREF | Jπ(level) | T1/2(level) | E(γ) (keV) | I(γ) | M(γ) | Final Levels | |
2149.7+X 4 | B | (16+) | 358.2 770.0 | 21 8 100 13 | D+Q Q | 1791.4+X 1379.7+X | (15+) (14+) | |
2272.2+Y 13 | B | (13-) | 388 763 | | 1884.5+Y 1508.7+Y | (12-) (11-) | ||
2316.6+Y 16 | B | (13-) | 754 | | 1562.6+Y | (11-) | ||
2407.8+X 4 | B | (15+) | 367.0 596.5 1028.0 | 61 19 100 34 | Q | 2040.8+X 1811.5+X 1379.7+X | (14+) (13+) (14+) | |
2627.2+X 4 | B | (17+) | 477.5 836.0 | 39 11 100 14 | D+Q Q | 2149.7+X 1791.4+X | (16+) (15+) | |
2678.3+Y 14 | B | (14-) | 406 794 | | 2272.2+Y 1884.5+Y | (13-) (12-) | ||
2716.3+X 4 | B | (16+) | 308.5 675.5 925.0 | 37 12 100 34 39 12 | 2407.8+X 2040.8+X 1791.4+X | (15+) (14+) (15+) | ||
3059.8+X 5 | B | (18+) | 432.5 910.0 | 9 5 100 13 | D+Q Q | 2627.2+X 2149.7+X | (17+) (16+) | |
3100.2+Y 17 | B | 828 | | 2272.2+Y | (13-) | |||
3120.3+X 5 | B | (17+) | 712.5 | | 2407.8+X | (15+) | ||
3174.6+Y 19 ? | B | 858? | | 2316.6+Y | (13-) | |||
3498.9+X 5 | B | (18+) | 782.5 | 100 | Q | 2716.3+X | (16+) | |
3502.3+Y 18 | B | 824 | | 2678.3+Y | (14-) | |||
3585.3+X 5 | B | (19+) | 525.5 958.2 | 27 8 100 27 | D+Q Q | 3059.8+X 2627.2+X | (18+) (17+) | |
4094.1+X 5 | B | (20+) | 509.0 1034.0 | | Q | 3585.3+X 3059.8+X | (19+) (18+) | |
4653.2+X 5 | B | (21+) | 559.0 1068.0 | | Q | 4094.1+X 3585.3+X | (20+) (19+) | |
5245.9+X 6 | B | (22+) | 592.5 1152.0 | | Q | 4653.2+X 4094.1+X | (21+) (20+) | |
E(level) (keV) | XREF | Jπ(level) | T1/2(level) | E(γ) (keV) | I(γ) | M(γ) | Final Levels | |
5811.3+X 12 ? | B | 1158? | | 4653.2+X | (21+) | |||
6481.9+X 12 ? | B | 1236? | | 5245.9+X | (22+) |
Jπ(level): Jπ without comments are based on band structure and γ multipolarities.
E(level) (keV) | Jπ(level) | T1/2(level) | E(γ) | I(γ) | M(γ) | Final Levels | |
Band 1 - band 1, Configuration=((p,H11/2)(n,H11/2)), | |||||||
70.56+X 24 | (8+) | ||||||
323.0+X 3 | (10+) | ||||||
764.5+X 3 | (12+) | ||||||
1379.7+X 4 | (14+) | ||||||
2149.7+X 4 | (16+) | 358.2 770.0 | 21 8 100 13 | D+Q Q | 1791.4+X 1379.7+X | (15+) (14+) | |
3059.8+X 5 | (18+) | 432.5 910.0 | 9 5 100 13 | D+Q Q | 2627.2+X 2149.7+X | (17+) (16+) | |
4094.1+X 5 | (20+) | 509.0 1034.0 | | Q | 3585.3+X 3059.8+X | (19+) (18+) | |
5245.9+X 6 | (22+) | 592.5 1152.0 | | Q | 4653.2+X 4094.1+X | (21+) (20+) | |
6481.9+X 12 | 1236? | | 5245.9+X | (22+) | |||
E(level) (keV) | Jπ(level) | T1/2(level) | E(γ) | I(γ) | M(γ) | Final Levels | |
Band 2 - band 3, Configuration=((p,H11/2)(n,H11/2)), | |||||||
1081.7+X 4 | (10+) | ||||||
1472.2+X 3 | (12+) | ||||||
2040.8+X 4 | (14+) | ||||||
2716.3+X 4 | (16+) | ||||||
3498.9+X 5 | (18+) | 782.5 | 100 | Q | 2716.3+X | (16+) | |
E(level) (keV) | Jπ(level) | T1/2(level) | E(γ) | I(γ) | M(γ) | Final Levels | |
Band 3 - band 5, Configuration=((p,H11/2)(n,D5/2)+(p,H11/2)(n,G7/2)) | |||||||
0.0+Y | (4-) | ||||||
81.9+Y 8 | (5-) | ||||||
210.0+Y 8 | (6-) | ||||||
388.8+Y 9 | (7-) | ||||||
612.1+Y 9 | (8-) | 158 223 402 | | M1,E2 | 454.1+Y 388.8+Y 210.0+Y | (7-) (7-) (6-) | |
872.3+Y 10 | (9-) | 260 484 | | 612.1+Y 388.8+Y | (8-) (7-) | ||
1180.8+Y 10 | (10-) | 248 309 569 | | 932.4+Y 872.3+Y 612.1+Y | (9-) (9-) (8-) | ||
1508.7+Y 12 | (11-) | 328 636 | | 1180.8+Y 872.3+Y | (10-) (9-) | ||
1884.5+Y 12 | (12-) | 376 704 | | 1508.7+Y 1180.8+Y | (11-) (10-) | ||
2272.2+Y 13 | (13-) | 388 763 | | 1884.5+Y 1508.7+Y | (12-) (11-) | ||
2678.3+Y 14 | (14-) | 406 794 | | 2272.2+Y 1884.5+Y | (13-) (12-) | ||
3100.2+Y 17 | 828 | | 2272.2+Y | (13-) | |||
3502.3+Y 18 | 824 | | 2678.3+Y | (14-) | |||
E(level) (keV) | Jπ(level) | T1/2(level) | E(γ) | I(γ) | M(γ) | Final Levels | |
Band 4 - band 6 | |||||||
147.1+Y 9 | (5-) | ||||||
454.1+Y 9 | (7-) | ||||||
932.4+Y 10 | (9-) | ||||||
1562.6+Y 12 | (11-) | ||||||
2316.6+Y 16 | (13-) | 754 | | 1562.6+Y | (11-) | ||
3174.6+Y 19 | 858? | | 2316.6+Y | (13-) |
Additional Level Data and Comments:
E(level) | Jπ(level) | T1/2(level) | Comments |
0.0+V | (4,5) | 54 s 2 % ε > 0 | High-spin isomer (2002Ko02). |
0.0+W | (0-,1,2-) | < 50 s % ε = ? % IT = ? | Low-spin isomer (2002Ko02). |
0.0+Y | (4-) | E(level): band 5, Configuration=((p,H11/2)(n,D5/2)+(p,H11/2)(n,G7/2)). | |
70.56+X | (8+) | E(level): band 1, Configuration=((p,H11/2)(n,H11/2)),. | |
81.9+Y | (5-) | E(level): band 5, Configuration=((p,H11/2)(n,D5/2)+(p,H11/2)(n,G7/2)). | |
147.1+Y | (5-) | E(level): band 6. | |
210.0+Y | (6-) | E(level): band 5, Configuration=((p,H11/2)(n,D5/2)+(p,H11/2)(n,G7/2)). | |
323.0+X | (10+) | E(level): band 1, Configuration=((p,H11/2)(n,H11/2)),. | |
388.8+Y | (7-) | E(level): band 5, Configuration=((p,H11/2)(n,D5/2)+(p,H11/2)(n,G7/2)). | |
454.1+Y | (7-) | E(level): band 6. | |
612.1+Y | (8-) | E(level): band 5, Configuration=((p,H11/2)(n,D5/2)+(p,H11/2)(n,G7/2)). | |
764.5+X | (12+) | E(level): band 1, Configuration=((p,H11/2)(n,H11/2)),. | |
872.3+Y | (9-) | E(level): band 5, Configuration=((p,H11/2)(n,D5/2)+(p,H11/2)(n,G7/2)). | |
932.4+Y | (9-) | E(level): band 6. | |
1081.7+X | (10+) | E(level): band 3, Configuration=((p,H11/2)(n,H11/2)),. | |
1180.8+Y | (10-) | E(level): band 5, Configuration=((p,H11/2)(n,D5/2)+(p,H11/2)(n,G7/2)). | |
1379.7+X | (14+) | E(level): band 1, Configuration=((p,H11/2)(n,H11/2)),. | |
1472.2+X | (12+) | E(level): band 3, Configuration=((p,H11/2)(n,H11/2)),. | |
1508.7+Y | (11-) | E(level): band 5, Configuration=((p,H11/2)(n,D5/2)+(p,H11/2)(n,G7/2)). | |
1562.6+Y | (11-) | E(level): band 6. | |
1884.5+Y | (12-) | E(level): band 5, Configuration=((p,H11/2)(n,D5/2)+(p,H11/2)(n,G7/2)). | |
2040.8+X | (14+) | E(level): band 3, Configuration=((p,H11/2)(n,H11/2)),. | |
2149.7+X | (16+) | E(level): band 1, Configuration=((p,H11/2)(n,H11/2)),. | |
2272.2+Y | (13-) | E(level): band 5, Configuration=((p,H11/2)(n,D5/2)+(p,H11/2)(n,G7/2)). | |
2316.6+Y | (13-) | E(level): band 6. | |
E(level) | Jπ(level) | T1/2(level) | Comments |
2678.3+Y | (14-) | E(level): band 5, Configuration=((p,H11/2)(n,D5/2)+(p,H11/2)(n,G7/2)). | |
2716.3+X | (16+) | E(level): band 3, Configuration=((p,H11/2)(n,H11/2)),. | |
3059.8+X | (18+) | E(level): band 1, Configuration=((p,H11/2)(n,H11/2)),. | |
3100.2+Y | E(level): band 5, Configuration=((p,H11/2)(n,D5/2)+(p,H11/2)(n,G7/2)). | ||
3174.6+Y | E(level): band 6. | ||
3498.9+X | (18+) | E(level): band 3, Configuration=((p,H11/2)(n,H11/2)),. | |
3502.3+Y | E(level): band 5, Configuration=((p,H11/2)(n,D5/2)+(p,H11/2)(n,G7/2)). | ||
4094.1+X | (20+) | E(level): band 1, Configuration=((p,H11/2)(n,H11/2)),. | |
5245.9+X | (22+) | E(level): band 1, Configuration=((p,H11/2)(n,H11/2)),. | |
6481.9+X | E(level): band 1, Configuration=((p,H11/2)(n,H11/2)),. |
Levels: band(a) band 2, Configuration=((p,H11/2)(n,H11/2)), signature partner of band 1
Levels: band(d) band 4, Configuration=((p,H11/2)(n,H11/2)), signature partner of band 3
Gammas: All γ data from (HI,xnγ) data set