ADOPTED LEVELS, GAMMAS for 229Ac
Authors: E. Browne, J. K. Tuli | Citation: Nucl. Data Sheets 109, 2657 (2008) | Cutoff date: 1-Jun-2008
Full ENSDF file | Adopted Levels (PDF version)
Q(β-)=1111 keV 12 | S(n)= 6269 keV 12 | S(p)= 5533 keV 12 | Q(α)= 4452 keV 17 | ||
Reference: 2012WA38 |
References: | |||
A | 229Ra β- decay | B | 232Th(p,α) |
C | 230Th(t,α) |
E(level) (keV) | XREF | Jπ(level) | T1/2(level) | E(γ) (keV) | Final Levels | |
0.0 | A C | (3/2+) | 62.7 m 5 % β- = 100 | |||
7.0 5 | A C | (5/2+) | 7.0S | 0.0 | (3/2+) | |
21.4 5 | AB | (7/2+) | 14.5 3 | 7.0 | (5/2+) | |
25.9 5 | A C | (9/2+) | 18.8 3 | 7.0 | (5/2+) | |
69.8 4 | A C | (5/2-) | 63.0 5 69.6 5 | 7.0 0.0 | (5/2+) (3/2+) | |
91 5 | C | (13/2)+ | ||||
104.3 4 | A C | (3/2-) | 104.5 5 | 0.0 | (3/2+) | |
119.8 5 | A C | (7/2-) | 15.6 3 93.6 5 98.5 5 | 104.3 25.9 21.4 | (3/2-) (9/2+) (7/2+) | |
141.5 5 | A | 21.8 3 | 119.8 | (7/2-) | ||
151 5 | BC | 1/2+ | ||||
164.0 5 | ABC | (7/2)- | 22.5 3 44.0 5 94.1 5 | 141.5 119.8 69.8 | (7/2-) (5/2-) | |
174.8 6 | A | 55.0 5 | 119.8 | (7/2-) | ||
189.0 7 | ABC | (3/2)+ | 47.5 5 | 141.5 | ||
222.0 7 | A | 102.2 5 | 119.8 | (7/2-) | ||
280.9 6 | A C | 106.1 5 161.1 5 | 174.8 119.8 | (7/2-) | ||
293 3 | BC | |||||
335.5 7 | ABC | (3/2)+ | 171.5 5 | 164.0 | (7/2)- | |
368 3 | BC | (5/2+) | ||||
422 4 | C | |||||
464 4 | C | |||||
489 4 | C | |||||
595 3 | BC | |||||
629 4 | BC | |||||
E(level) (keV) | XREF | Jπ(level) | T1/2(level) | E(γ) (keV) | Final Levels | |
654 4 | C | |||||
720 60 | A | |||||
825 6 | C | |||||
850 6 | B | |||||
930 4 | BC | (11/2-) | ||||
1004 4 | BC | (5/2)- | ||||
1021 8 | C | |||||
1044 5 | B | |||||
1111 6 | BC | |||||
1173 6 | BC | |||||
1245 6 | BC |
E(level): Deduced by evaluators from least-squares fit to adopted γ-ray energies, unless otherwise specified.
Jπ(level): Spin, parity, and Nilsson-state asignments are based on comparison of experimental (t,α) cross-sections with calculated values (1977Th04), and on measured angular momentum transfer values (L) in (p,α) reactions. The assigned spins/parities are consistent with the γ-ray decay pattern observed in 229Ra β- decay.
E(γ): From 229Ra β- decay.
E(level) (keV) | Jπ(level) | T1/2(level) | E(γ) | Final Levels | |||
Band 1 - 3/2[651] band | |||||||
0.0 | (3/2+) | 62.7 m 5 % β- = 100 | |||||
7.0 5 | (5/2+) | 7.0S | 0.0 | (3/2+) | |||
21.4 5 | (7/2+) | 14.5 3 | 7.0 | (5/2+) | |||
25.9 5 | (9/2+) | 18.8 3 | 7.0 | (5/2+) | |||
91 5 | (13/2)+ | ||||||
E(level) (keV) | Jπ(level) | T1/2(level) | E(γ) | Final Levels | |||
Band 2 - 1/2[530] band | |||||||
104.3 4 | (3/2-) | ||||||
164.0 5 | (7/2)- | 22.5 3 44.0 5 94.1 5 | 141.5 119.8 69.8 | (7/2-) (5/2-) | |||
E(level) (keV) | Jπ(level) | T1/2(level) | E(γ) | Final Levels | |||
Band 3 - 1/2[400] band | |||||||
151 5 | 1/2+ | ||||||
189.0 7 | (3/2)+ | 47.5 5 | 141.5 | ||||
E(level) (keV) | Jπ(level) | T1/2(level) | E(γ) | Final Levels | |||
Band 4 - 3/2[402] band | |||||||
335.5 7 | (3/2)+ | ||||||
368 3 | (5/2+) | ||||||
E(level) (keV) | Jπ(level) | T1/2(level) | E(γ) | Final Levels | |||
Band 5 - 5/2[532] BAND? | |||||||
69.8 4 | (5/2-) | ||||||
119.8 5 | (7/2-) | 15.6 3 93.6 5 98.5 5 | 104.3 25.9 21.4 | (3/2-) (9/2+) (7/2+) | |||
E(level) (keV) | Jπ(level) | T1/2(level) | E(γ) | Final Levels | |||
Band 6 - 9/2[514] BAND? | |||||||
930 4 | (11/2-) | ||||||
E(level) (keV) | Jπ(level) | T1/2(level) | E(γ) | Final Levels | |||
Band 7 - 1/2[541] BAND? | |||||||
1004 4 | (5/2)- |
Additional Level Data and Comments:
E(level) | Jπ(level) | T1/2(level) | Comments |
0.0 | (3/2+) | 62.7 m 5 % β- = 100 | E(level): 3/2[651] band. |
7.0 | (5/2+) | E(level): 3/2[651] band. | |
21.4 | (7/2+) | E(level): 3/2[651] band. | |
25.9 | (9/2+) | E(level): 3/2[651] band. | |
69.8 | (5/2-) | E(level): 5/2[532] BAND?. | |
91 | (13/2)+ | E(level): 3/2[651] band. From 230Th(t,α). | |
104.3 | (3/2-) | E(level): 1/2[530] band. | |
119.8 | (7/2-) | E(level): 5/2[532] BAND?. | |
151 | 1/2+ | E(level): 1/2[400] band. From 230Th(t,α). | |
164.0 | (7/2)- | E(level): 1/2[530] band. | |
189.0 | (3/2)+ | E(level): 1/2[400] band. | |
293 | E(level): From 232Th(p,α). | ||
335.5 | (3/2)+ | E(level): 3/2[402] band. | |
368 | (5/2+) | E(level): 3/2[402] band. From 232Th(p,α). | |
422 | E(level): From 230Th(t,α). | ||
464 | E(level): From 230Th(t,α). | ||
489 | E(level): From 230Th(t,α). | ||
595 | E(level): From 232Th(p,α). | ||
629 | E(level): From 232Th(p,α). | ||
654 | E(level): From 230Th(t,α). | ||
825 | E(level): From 230Th(t,α). | ||
850 | E(level): From 232Th(p,α). | ||
930 | (11/2-) | E(level): 9/2[514] BAND?. From 230Th(t,α). | |
1004 | (5/2)- | E(level): 1/2[541] BAND?. From 230Th(t,α). | |
1021 | E(level): From 230Th(t,α). | ||
E(level) | Jπ(level) | T1/2(level) | Comments |
1044 | E(level): From 232Th(p,α). | ||
1111 | E(level): From 232Th(p,α). | ||
1173 | E(level): From 232Th(p,α). | ||
1245 | E(level): From 232Th(p,α). |