ADOPTED LEVELS, GAMMAS for 225Ra
Authors: A. K. Jain , R. Raut , J. K. Tuli | Citation: Nucl. Data Sheets 110, 1409 (2009) | Cutoff date: 1-Dec-2008
Full ENSDF file | Adopted Levels (PDF version)
Q(β-)=356 keV 5 | S(n)= 4904 keV 3 | S(p)= 7090 keV 14 | Q(α)= 5097 keV 5 | ||
Reference: 2012WA38 |
References: | |||
A | 229Th α decay | B | 225Fr β- decay |
C | 226Ra(d,t), (pol d,t) | D | 226Ra(3He,α) |
E(level) (keV) | XREF | Jπ(level) | T1/2(level) | E(γ) (keV) | I(γ) | M(γ) | Final Levels | |
0.0 | ABC | 1/2+ | 14.9 d 2 % β- = 100 | |||||
25.41 2 | ABCD | 5/2+ | 0.88 ns 4 | 25.39 2 | 100 | (E2) | 0.0 | 1/2+ |
31.56 3 | AB | 3/2- | 2.1 ns 5 | 31.50 5 | 100 | E1 | 0.0 | 1/2+ |
42.77 3 | ABCD | 3/2+ | < 3 ns | 17.36 3 42.82 5 | 110 60 100 7 | (M1) (M1+E2) | 25.41 0.0 | 5/2+ 1/2+ |
55.16 6 | AB | (1/2-) | 23.6 55.11 3 | 46 4 100 16 | (M1+E2) | 31.56 0.0 | 3/2- 1/2+ | |
69.36 6 | AB | (7/2)- | 37.8 1 43.990 10 | 0.50 25 100 5 | (E2) E1 | 31.56 25.41 | 3/2- 5/2+ | |
100.50 6 | A D | (9/2)+ | 31.10 5 75.09 7 | 100 10 72 16 | E2 | 69.36 25.41 | (7/2)- 5/2+ | |
101 | C | (3/2+) | ||||||
111.60 5 | ABCD | 7/2+ | 11.1 1 42.3 1 68.83 3 86.25 4 | 6.2 7 10.2 10 100 8 | E2 M1+E2 | 100.50 69.36 42.77 25.41 | (9/2)+ (7/2)- 3/2+ 5/2+ | |
120.36 6 | AB | 5/2- | 50.99 4 77.63 5 94.92 8 | 39 10 100 14 30 7 | 69.36 42.77 25.41 | (7/2)- 3/2+ 5/2+ | ||
149.96 6 | ABCD | 3/2+ | 94.73 2 107.108 8 124.55 5 150.04 3 | 33 3 100 6 85 8 7.3 19 | M1+E2 (M1) M1+E2 | 55.16 42.77 25.41 0.0 | (1/2-) 3/2+ 5/2+ 1/2+ | |
179.75 2 | AB | 5/2+ | 30.3 1 68.09 4 110.332 8 136.990 4 148.15 4 154.336 10 179.757 7 | <3.5 5.8 9 10.5 11 100 3 75 6 65 2 16.7 14 | (M1+E2) M1+E2 M1(+E2) E1 M1+E2 E2 | 149.96 111.60 69.36 42.77 31.56 25.41 0.0 | 3/2+ 7/2+ (7/2)- 3/2+ 3/2- 5/2+ 1/2+ | |
E(level) (keV) | XREF | Jπ(level) | T1/2(level) | E(γ) (keV) | I(γ) | M(γ) | Final Levels | |
≈203.5? | A | (9/2-) | 134.2 1 | | (M1) | 69.36 | (7/2)- | |
≈215.8? | A | |||||||
220.55 7 | A CD | (7/2+,9/2+) | 109.2 119.98 2 194.3 3 | 86 16 100 40 60 40 | 111.60 100.50 25.41 | 7/2+ (9/2)+ 5/2+ | ||
225.2 1 | B | 3/2- | 45.2 2 75.1 1 169.9 1 182.3 1 193.5 3 199.7 1 225.1 1 | 5.6 10 45 4 20 2 100 15 3 35 3 55 4 | M1+E2 | 179.75 149.96 55.16 42.77 31.56 25.41 0.0 | 5/2+ 3/2+ (1/2-) 3/2+ 3/2- 5/2+ 1/2+ | |
226.9 3 | A | (11/2+) | 126.4 2 | 100 | [M1,E2] | 100.50 | (9/2)+ | |
236.25 2 | ABCD | 5/2+ | 56.518 5 86.40 5 115.98 10 124.65 5 166.976 7 193.509 4 204.690 5 210.853 3 236.249 8 | 6.5 5 58 3 0.40 7 16.7 14 4.7 3 100 13.5 7 63 7 3.95 21 | M1+E2 M1 (M1) M1 (E1) M1 E2 | 179.75 149.96 120.36 111.60 69.36 42.77 31.56 25.41 0.0 | 5/2+ 3/2+ 5/2- 7/2+ (7/2)- 3/2+ 3/2- 5/2+ 1/2+ | |
243.56 4 | A CD | 7/2+ | 123.193 13 131.926 5 142.962 5 174.82 2 200.807 16 218.154 17 | 37.3 18 83 3 100 3 <8 17.0 8 46 6 | M1 M1 M1 | 120.36 111.60 100.50 69.36 42.77 25.41 | 5/2- 7/2+ (9/2)+ (7/2)- 3/2+ 5/2+ | |
≈248.5? | A | 68.8? | | 179.75 | 5/2+ | |||
260.2 1 | B | (5/2)- | 80.3 1 110.3 1 139.8 1 190.8 1 217.5 1 228.6 1 234.8 1 | 10.8 21 83 13 46 4 100 9 37 4 13.7 17 60 5 | (E1) M1+E2 M1 | 179.75 149.96 120.36 69.36 42.77 31.56 25.41 | 5/2+ 3/2+ 5/2- (7/2)- 3/2+ 3/2- 5/2+ | |
E(level) (keV) | XREF | Jπ(level) | T1/2(level) | E(γ) (keV) | I(γ) | M(γ) | Final Levels | |
267.92 5 | A CD | 7/2+ | 31.57 9 117.99 15 147.64 5 156.409 9 167.45 5 225.149 19 242.4 2 | 5.7 9 1.1 4 17.2 18 100 3 4.3 9 6.0 9 7.9 13 | E1 M1 M1 | 236.25 149.96 120.36 111.60 100.50 42.77 25.41 | 5/2+ 3/2+ 5/2- 7/2+ (9/2)+ 3/2+ 5/2+ | |
272.15 15 | A | 30.3 68.8? 160.6 171.75 2 | | 243.56 203.5 111.60 100.50 | 7/2+ (9/2-) 7/2+ (9/2)+ | |||
284.49 5 | A | 7/2+ | 63.7 2 104.6 2 ? 134.2 172.926 18 183.928 8 215.100 10 259.08 4 | 3.6 15 6 2 ≤2.2 80 8 100 5 97 8 24 4 | M1 M1(+E2) | 220.55 179.75 149.96 111.60 100.50 69.36 25.41 | (7/2+,9/2+) 5/2+ 3/2+ 7/2+ (9/2)+ (7/2)- 5/2+ | |
293 8 | C | |||||||
321.76 8 | A CD | (9/2+) | 49.75 8 53.75 20 78.3 2 101.1 2 142.0 1 210.15 8 221.22 5 252.43 3 296.2 2 | 11.1 11 5.8 16 4.2 11 9.5 16 5.8 16 100 22 12 4 49 7 ≈6 | 272.15 267.92 243.56 220.55 179.75 111.60 100.50 69.36 25.41 | 7/2+ 7/2+ (7/2+,9/2+) 5/2+ 7/2+ (9/2)+ (7/2)- 5/2+ | ||
≈328 | A | |||||||
≈335? | A | |||||||
E(level) (keV) | XREF | Jπ(level) | T1/2(level) | E(γ) (keV) | I(γ) | M(γ) | Final Levels | |
≈347? | A | |||||||
390.0 4 | A CD | (11/2+) | 163.34 17 169.09 3 174.22 22 | | 226.9 220.55 215.8 | (11/2+) (7/2+,9/2+) | ||
394.2 1 | B | 3/2-,5/2 | 134.0 1 157.9 1 169.0 3 244.2 1 324.7 2 368.8 2 | 45 15 65 15 100 50 35 10 20 5 40 15 | 260.2 236.25 225.2 149.96 69.36 25.41 | (5/2)- 5/2+ 3/2- 3/2+ (7/2)- 5/2+ | ||
394.72 13 | A | (3/2,5/2,7/2)+ | 126.5 3 151.6 3 158.42 12 174.22 11 | 23 11 ≈53 100 11 | M1(+E2) | 267.92 243.56 236.25 220.55 | 7/2+ 7/2+ 5/2+ (7/2+,9/2+) | |
400 8 | C | |||||||
≈417? | A | |||||||
448 10 | D | |||||||
478.4 1 | AB | (3/2) | 242.1 1 253.4 1 328.6 1 358.1 3 435.6 1 453.0 1 478.3 1 | 24 3 29 5 20 5 8 4 71 8 50 7 100 10 | 236.25 225.2 149.96 120.36 42.77 25.41 0.0 | 5/2+ 3/2- 3/2+ 5/2- 3/2+ 5/2+ 1/2+ | ||
484 8 | CD | |||||||
487 3 | A C | (13/2+) | ||||||
535 8 | CD | |||||||
546 8 | C | |||||||
603 3 | A C | |||||||
609 3 | A CD | |||||||
E(level) (keV) | XREF | Jπ(level) | T1/2(level) | E(γ) (keV) | I(γ) | M(γ) | Final Levels | |
630 8 | C | |||||||
675 8 | C | |||||||
724.1 1 | B | (3/2,5/2) | 464.1 1 499.0 2 574.1 2 | 36 7 100 16 43 7 | 260.2 225.2 149.96 | (5/2)- 3/2- 3/2+ | ||
815 8 | CD | (5/2-) | ||||||
851 8 | C | |||||||
898 8 | CD | (1/2-) | ||||||
956 8 | CD | (5/2-) | ||||||
967 8 | CD | (3/2-) | ||||||
1009 8 | CD | |||||||
1025 8 | CD | |||||||
1056 8 | C | |||||||
1070 8 | CD | |||||||
1091 8 | CD | |||||||
1156 8 | CD | |||||||
1184 10 | D | |||||||
1225 8 | CD | (5/2-) | ||||||
1258 8 | C | |||||||
1272 10 | D | |||||||
1334 8 | CD | |||||||
1377 10 | D | |||||||
1441 8 | CD | |||||||
1479 8 | CD | |||||||
1553 8 | C | |||||||
1766 8 | C | |||||||
1792 8 | C | |||||||
1872 10 | D | |||||||
1912 10 | D | |||||||
1972 10 | D | |||||||
E(level) (keV) | XREF | Jπ(level) | T1/2(level) | E(γ) (keV) | I(γ) | M(γ) | Final Levels | |
2138 10 | D | (13/2+) |
E(γ): From 229Th α decay and 225Fr β- decay.
I(γ): Relative photon intensity deexciting each level.
M(γ): From ce work in 229Th α decay and γ-x ray coincidence data in 225Fr β- decay.
E(level) (keV) | Jπ(level) | T1/2(level) | E(γ) | I(γ) | M(γ) | Final Levels | |
Band 1 - Kπ=1/2+ band, LARGELY INCLUDES 1/2[631] band. | |||||||
0.0 | 1/2+ | 14.9 d 2 % β- = 100 | |||||
25.41 2 | 5/2+ | 0.88 ns 4 | 25.39 2 | 100 | (E2) | 0.0 | 1/2+ |
42.77 3 | 3/2+ | < 3 ns | 17.36 3 42.82 5 | 110 60 100 7 | (M1) (M1+E2) | 25.41 0.0 | 5/2+ 1/2+ |
100.50 6 | (9/2)+ | 31.10 5 75.09 7 | 100 10 72 16 | E2 | 69.36 25.41 | (7/2)- 5/2+ | |
111.60 5 | 7/2+ | 11.1 1 42.3 1 68.83 3 86.25 4 | 6.2 7 10.2 10 100 8 | E2 M1+E2 | 100.50 69.36 42.77 25.41 | (9/2)+ (7/2)- 3/2+ 5/2+ | |
226.9 3 | (11/2+) | 126.4 2 | 100 | [M1,E2] | 100.50 | (9/2)+ | |
E(level) (keV) | Jπ(level) | T1/2(level) | E(γ) | I(γ) | M(γ) | Final Levels | |
Band 2 - Kπ=1/2- band, LARGELY INCLUDES 1/2[501] band. | |||||||
31.56 3 | 3/2- | 2.1 ns 5 | |||||
55.16 6 | (1/2-) | 23.6 55.11 3 | 46 4 100 16 | (M1+E2) | 31.56 0.0 | 3/2- 1/2+ | |
69.36 6 | (7/2)- | 37.8 1 43.990 10 | 0.50 25 100 5 | (E2) E1 | 31.56 25.41 | 3/2- 5/2+ | |
120.36 6 | 5/2- | 50.99 4 77.63 5 94.92 8 | 39 10 100 14 30 7 | 69.36 42.77 25.41 | (7/2)- 3/2+ 5/2+ | ||
≈203.5 | (9/2-) | 134.2 1 | | (M1) | 69.36 | (7/2)- | |
E(level) (keV) | Jπ(level) | T1/2(level) | E(γ) | I(γ) | M(γ) | Final Levels | |
Band 3 - Kπ=3/2+ band, LARGELY INCLUDES 3/2[631] band. | |||||||
149.96 6 | 3/2+ | ||||||
179.75 2 | 5/2+ | 30.3 1 68.09 4 110.332 8 136.990 4 148.15 4 154.336 10 179.757 7 | <3.5 5.8 9 10.5 11 100 3 75 6 65 2 16.7 14 | (M1+E2) M1+E2 M1(+E2) E1 M1+E2 E2 | 149.96 111.60 69.36 42.77 31.56 25.41 0.0 | 3/2+ 7/2+ (7/2)- 3/2+ 3/2- 5/2+ 1/2+ | |
243.56 4 | 7/2+ | 123.193 13 131.926 5 142.962 5 174.82 2 200.807 16 218.154 17 | 37.3 18 83 3 100 3 <8 17.0 8 46 6 | M1 M1 M1 | 120.36 111.60 100.50 69.36 42.77 25.41 | 5/2- 7/2+ (9/2)+ (7/2)- 3/2+ 5/2+ | |
E(level) (keV) | Jπ(level) | T1/2(level) | E(γ) | I(γ) | M(γ) | Final Levels | |
Band 4 - Kπ=3/2- band. | |||||||
225.2 1 | 3/2- | ||||||
260.2 1 | (5/2)- | 80.3 1 110.3 1 139.8 1 190.8 1 217.5 1 228.6 1 234.8 1 | 10.8 21 83 13 46 4 100 9 37 4 13.7 17 60 5 | (E1) M1+E2 M1 | 179.75 149.96 120.36 69.36 42.77 31.56 25.41 | 5/2+ 3/2+ 5/2- (7/2)- 3/2+ 3/2- 5/2+ | |
E(level) (keV) | Jπ(level) | T1/2(level) | E(γ) | I(γ) | M(γ) | Final Levels | |
Band 5 - 5/2[633] band. | |||||||
236.25 2 | 5/2+ | ||||||
267.92 5 | 7/2+ | 31.57 9 117.99 15 147.64 5 156.409 9 167.45 5 225.149 19 242.4 2 | 5.7 9 1.1 4 17.2 18 100 3 4.3 9 6.0 9 7.9 13 | E1 M1 M1 | 236.25 149.96 120.36 111.60 100.50 42.77 25.41 | 5/2+ 3/2+ 5/2- 7/2+ (9/2)+ 3/2+ 5/2+ | |
321.76 8 | (9/2+) | 49.75 8 53.75 20 78.3 2 101.1 2 142.0 1 210.15 8 221.22 5 252.43 3 296.2 2 | 11.1 11 5.8 16 4.2 11 9.5 16 5.8 16 100 22 12 4 49 7 ≈6 | 272.15 267.92 243.56 220.55 179.75 111.60 100.50 69.36 25.41 | 7/2+ 7/2+ (7/2+,9/2+) 5/2+ 7/2+ (9/2)+ (7/2)- 5/2+ | ||
390.0 4 | (11/2+) | 163.34 17 169.09 3 174.22 22 | | 226.9 220.55 215.8 | (11/2+) (7/2+,9/2+) | ||
487 3 | (13/2+) | ||||||
E(level) (keV) | Jπ(level) | T1/2(level) | E(γ) | I(γ) | M(γ) | Final Levels | |
Band 6 - K=1/2 | |||||||
898 8 | (1/2-) | ||||||
956 8 | (5/2-) | ||||||
967 8 | (3/2-) |
E(level) (keV) | Jπ(level) | T1/2(level) | E(γ) (keV) | Multipolarity | Mixing Ratio | Conversion Coefficient | Additional Data |
25.41 | 5/2+ | 0.88 ns 4 | 25.39 2 | (E2) | 7377 | B(E2)(W.u.)=102 6, α=7377 | |
31.56 | 3/2- | 2.1 ns 5 | 31.50 5 | E1 | 2.44 | B(E1)(W.u.)=0.00081 20, α=2.44 | |
42.77 | 3/2+ | < 3 ns | 17.36 3 | (M1) | 140.6 | B(M1)(W.u.)>0.0064, α=140.6 | |
3/2+ | < 3 ns | 42.82 5 | (M1+E2) | 0.28 7 | 77 | B(E2)(W.u.)>2.0, B(M1)(W.u.)>0.00027, α=77 20 | |
55.16 | (1/2-) | 23.6 | (M1+E2) | 0.034 34 | 241 | α=241 12 | |
69.36 | (7/2)- | 37.8 1 | (E2) | 1040 | α=1040 | ||
(7/2)- | 43.990 10 | E1 | 1.002 | α=1.002 | |||
100.50 | (9/2)+ | 75.09 7 | E2 | 37.6 | α=37.6 | ||
111.60 | 7/2+ | 68.83 3 | E2 | 57.0 | α=57.0 | ||
7/2+ | 86.25 4 | M1+E2 | 0.27 9 | 6.0 | α=6.0 7 | ||
149.96 | 3/2+ | 107.108 8 | M1+E2 | 0.3 3 | 13.1 | α=13.1 6 | |
3/2+ | 124.55 5 | (M1) | 8.84 | α=8.84 | |||
3/2+ | 150.04 3 | M1+E2 | 0.4 4 | 4.7 | α=4.7 5 | ||
179.75 | 5/2+ | 30.3 1 | (M1+E2) | 223 | α223 AP | ||
5/2+ | 68.09 4 | M1+E2 | 0.32 16 | 15 | α=15 5 | ||
5/2+ | 136.990 4 | M1(+E2) | 6.91 | α=6.91 | |||
5/2+ | 148.15 4 | E1 | 0.1877 | α=0.1877 | |||
5/2+ | 154.336 10 | M1+E2 | 0.4 4 | 4.4 | α=4.4 4 | ||
5/2+ | 179.757 7 | E2 | 0.884 | α=0.884 | |||
203.5 | (9/2-) | 134.2 1 | (M1) | 7.14 | α=7.14 | ||
225.2 | 3/2- | 169.9 1 | M1+E2 | 2.4 | α=2.4 13 | ||
226.9 | (11/2+) | 126.4 2 | [M1,E2] | 5.8 | α=5.8 23 | ||
236.25 | 5/2+ | 56.518 5 | M1+E2 | 0.11 11 | 18.9 | α=18.9 16 | |
5/2+ | 86.40 5 | M1 | 5.03 | α=5.03 | |||
5/2+ | 124.65 5 | (M1) | 8.82 | α=8.82 | |||
5/2+ | 193.509 4 | M1 | 2.53 | α=2.53 | |||
5/2+ | 204.690 5 | (E1) | 0.0861 | α=0.0861 | |||
5/2+ | 210.853 3 | M1 | 1.98 | α=1.98 | |||
5/2+ | 236.249 8 | E2 | 0.333 | α=0.333 | |||
E(level) (keV) | Jπ(level) | T1/2(level) | E(γ) (keV) | Multipolarity | Mixing Ratio | Conversion Coefficient | Additional Data |
243.56 | 7/2+ | 131.926 5 | M1 | 7.49 | α=7.49 | ||
7/2+ | 142.962 5 | M1 | 5.97 | α=5.97 | |||
7/2+ | 218.154 17 | M1 | 1.81 | α=1.81 | |||
260.2 | (5/2)- | 110.3 1 | (E1) | 0.385 | α=0.385 | ||
(5/2)- | 139.8 1 | M1+E2 | 4.6 | α=4.6 21 | |||
(5/2)- | 190.8 1 | M1 | 2.63 | α=2.63 | |||
267.92 | 7/2+ | 147.64 5 | E1 | 0.1893 | α=0.1893 | ||
7/2+ | 156.409 9 | M1 | 4.62 | α=4.62 | |||
7/2+ | 242.4 2 | M1 | 1.35 | α=1.35 | |||
284.49 | 7/2+ | 172.926 18 | M1 | 3.47 | α=3.47 | ||
7/2+ | 183.928 8 | M1(+E2) | 2.92 | α=2.92 | |||
394.72 | (3/2,5/2,7/2)+ | 158.42 12 | M1(+E2) | 0.9 LT | 4.5 | α=4.5 14 |
Additional Level Data and Comments:
E(level) | Jπ(level) | T1/2(level) | Comments |
0.0 | 1/2+ | 14.9 d 2 % β- = 100 | μ=-0.7338 15 μ=-0.85 was calculated by 1988Le13 for octupole deformation of β3=0.15 and quadrupole deformation of β2=0.148. See also 1983Ra28, 1985Dz04 for calculated μ values. E(level): μ=-0.85 was calculated by 1988Le13 for octupole deformation of β3=0.15 and quadrupole deformation of β2=0.148. See also 1983Ra28, 1985Dz04 for calculated μ values. Kπ=1/2+ band, LARGELY INCLUDES 1/2[631] band. |
25.41 | 5/2+ | 0.88 ns 4 | E(level): Kπ=1/2+ band, LARGELY INCLUDES 1/2[631] band. |
31.56 | 3/2- | 2.1 ns 5 | E(level): Kπ=1/2- band, LARGELY INCLUDES 1/2[501] band. |
42.77 | 3/2+ | < 3 ns | E(level): Kπ=1/2+ band, LARGELY INCLUDES 1/2[631] band. |
55.16 | (1/2-) | E(level): Kπ=1/2- band, LARGELY INCLUDES 1/2[501] band. | |
69.36 | (7/2)- | E(level): Kπ=1/2- band, LARGELY INCLUDES 1/2[501] band. | |
100.50 | (9/2)+ | E(level): Kπ=1/2+ band, LARGELY INCLUDES 1/2[631] band. | |
111.60 | 7/2+ | E(level): Kπ=1/2+ band, LARGELY INCLUDES 1/2[631] band. | |
120.36 | 5/2- | E(level): Kπ=1/2- band, LARGELY INCLUDES 1/2[501] band. | |
149.96 | 3/2+ | E(level): Kπ=3/2+ band, LARGELY INCLUDES 3/2[631] band. | |
179.75 | 5/2+ | E(level): Kπ=3/2+ band, LARGELY INCLUDES 3/2[631] band. | |
203.5 | (9/2-) | E(level): Kπ=1/2- band, LARGELY INCLUDES 1/2[501] band. | |
215.8 | This level could possibly be the 13/2+ member of the K=1/2 g.s. band. E(level): This level could possibly be the 13/2+ member of the K=1/2 g.s. band. | ||
225.2 | 3/2- | E(level): Kπ=3/2- band. | |
226.9 | (11/2+) | E(level): Kπ=1/2+ band, LARGELY INCLUDES 1/2[631] band. | |
236.25 | 5/2+ | E(level): 5/2[633] band. | |
243.56 | 7/2+ | E(level): Kπ=3/2+ band, LARGELY INCLUDES 3/2[631] band. | |
260.2 | (5/2)- | E(level): Kπ=3/2- band. | |
267.92 | 7/2+ | E(level): 5/2[633] band. | |
272.15 | Level could be the 9/2+ member of the K=3/2 band based at 149.96 keV. E(level): Level could be the 9/2+ member of the K=3/2 band based at 149.96 keV. | ||
321.76 | (9/2+) | E(level): 5/2[633] band. | |
390.0 | (11/2+) | E(level): 5/2[633] band. | |
484 | Level seen in (d,t) at 484-keV was possibly doublet (1983Ny01). E(level): Level seen in (d,t) at 484-keV was possibly doublet (1983Ny01). | ||
487 | (13/2+) | E(level): 5/2[633] band. | |
898 | (1/2-) | E(level): K=1/2. | |
E(level) | Jπ(level) | T1/2(level) | Comments |
956 | (5/2-) | E(level): K=1/2. | |
967 | (3/2-) | E(level): K=1/2. |
Assignment: decay product of 233U series (1947En03 and 1947Ha02); chem (1950Ha52).
Fission isomer was not observed in 226Ra(n,2n) with E=0.7-10 MeV and with E=14.5 MeV (1972Ku26).
Fission barrier was deduced by 1970Ba22 as 7.0 MeV 5 from their 226Ra(n,F) data.
1989Sh07: Experimental data interpreted in terms of the coexistence of reflection symmetry and reflection asymmetry. Odd particle is suggested to polarize the soft nuclei towards or away from octupole deformation.
1988Le13: Calculated level energies including octupole and quadrupole deformations with a reflection-asymmetric rotor core. Calculations of transition probabilities between parity doublet bands. See also 1986Ch43 and 1986Re04 for discussions.
1975Iv06: Calculated nonrotational states.
Q-value: Note: Current evaluation has used the following Q record 356 5 4904.5 29 6950 50 5097 5 2003Au03