ADOPTED LEVELS, GAMMAS for 162Ta
Author: Balraj Singh | Citation: ENSDF | Cutoff date: 31-JUL-2015
Author: C. W. Reich | Citation: Nucl. Data Sheets 108,1807 (2007) | Cutoff date: 1-Mar-2007
Full ENSDF file | Adopted Levels (PDF version)
Q(β-)=-5780 keV 50 | S(n)= 9150 keV 60 | S(p)= 750 keV 60 | Q(α)= 5010 keV 50 | ||
Reference: 2012WA38 |
References: | |||
A | 166Re α decay (2.25 S) | B | 106Cd(60Ni,3PNG) |
E(level) (keV) | XREF | Jπ(level) | T1/2(level) | E(γ) (keV) | I(γ) | M(γ) | Final Levels | |
0 | 3.57 s 12 % ε = 99.926 10 % εp = ? % α = 0.074 10 | |||||||
0+X | B | (7-) | ||||||
0+Y | A | |||||||
275.4+X 1 | B | (9-) | 275.4 1 | 100 | (E2) | 0+X | (7-) | |
359.4+X 10 | B | (10-) | 84.0 10 | 100 | 275.4+X | (9-) | ||
450.0+X 10 | B | (11-) | 90.6 1 | 100 | 359.4+X | (10-) | ||
692.7+X 11 | B | (12-) | 242.7 1 332.6 10 | 100 5 4.9 17 | D (E2) | 450.0+X 359.4+X | (11-) (10-) | |
877.2+X 11 | B | (13-) | 184.5 1 427.2 2 | 100 4 23.5 24 | D | 692.7+X 450.0+X | (12-) (11-) | |
1173.6+X 11 | B | (14-) | 296.4 1 481.2 2 | 100 4 17.2 18 | D | 877.2+X 692.7+X | (13-) (12-) | |
1419.1+X 11 | B | (15-) | 245.6 1 541.8 1 | 100 4 60 4 | 1173.6+X 877.2+X | (14-) (13-) | ||
1731.1+X 11 | B | (16-) | 312.4 1 556.7 2 | 100 4 34 4 | 1419.1+X 1173.6+X | (15-) (14-) | ||
2020.5+X 11 | B | (17-) | 289.4 1 601.3 1 | 100 4 45 4 | 1731.1+X 1419.1+X | (16-) (15-) | ||
2359.9+X 11 | B | (18-) | 339.4 1 628.8 2 | 100 5 52 6 | 2020.5+X 1731.1+X | (17-) (16-) | ||
2667.1+X 11 | B | (19-) | 307.3 1 646.7 1 | 100 5 58 6 | 2359.9+X 2020.5+X | (18-) (17-) | ||
3036.9+X 11 | B | (20-) | 369.8 1 676.8 2 | 100 7 54 7 | 2667.1+X 2359.9+X | (19-) (18-) | ||
3347.1+X 11 | B | (21-) | 310.3 1 679.9 3 | 100 5 29 5 | 3036.9+X 2667.1+X | (20-) (19-) | ||
3759.2+X 11 | B | (22-) | 412.0 1 721.3 3 | 100 14 56 15 | 3347.1+X 3036.9+X | (21-) (20-) | ||
E(level) (keV) | XREF | Jπ(level) | T1/2(level) | E(γ) (keV) | I(γ) | M(γ) | Final Levels | |
4082.0+X 11 | B | (23-) | 322.8 1 735.5 3 | 100 11 60 11 | 3759.2+X 3347.1+X | (22-) (21-) | ||
4560.8+X 11 | B | (24-) | 478.8 1 800.4 4 | 100 23 40 17 | 4082.0+X 3759.2+X | (23-) (22-) | ||
4886.5+X 11 | B | (25-) | 325.7 1 804.3 4 | 100 11 26 9 | 4560.8+X 4082.0+X | (24-) (23-) | ||
5445.7+X 11 | B | (26-) | 559.3 1 883.5 6 | 100 10 17 7 | 4886.5+X 4560.8+X | (25-) (24-) | ||
5750.7+X 11 | B | (27-) | 305.0 1 862.7 10 | 100 8 9 7 | 5445.7+X 4886.5+X | (26-) (25-) | ||
6402.7+X 11 | B | (28-) | 652.0 2 956.1 16 | 100 47 <29 | 5750.7+X 5445.7+X | (27-) (26-) | ||
6668.7+X 11 | B | (29-) | 266.0 2 918.0 11 | 100 12 33 15 | 6402.7+X 5750.7+X | (28-) (27-) | ||
7631.7+X 15 | B | (30-) | 963.0 10 ? | 100 | 6668.7+X | (29-) |
E(level): From least-squares fit to Eγ data. Uncertainties for some of the gamma rays as indicated were doubled by the evaluator to get an acceptable fit
Jπ(level): Based on tentative assignment of 9- for the bandhead, and comparison with high-spin structure of 164Ta (2011Gh08). Thus all Jπ assignments are considered here as tentative
M(γ): Assignment by the evaluator from DCO values; in addition, (E2) assigned for two low-energy ΔJ=2, quadrupole transitions from RUL, assuming level half-life less than 20 ns or so from coincidence resolving time. In other cases, where DCO values are given by 2011Gh08, it was not possible to make secure assignments since the values overlap for ΔJ=2, quadrupole and ΔJ=1, dipole transitions
E(level) (keV) | Jπ(level) | T1/2(level) | E(γ) | I(γ) | M(γ) | Final Levels | |
Band 1 - π9/2[514]~#ν1/2[660],α=0 | |||||||
359.4+X 10 | (10-) | ||||||
692.7+X 11 | (12-) | ||||||
1173.6+X 11 | (14-) | ||||||
1731.1+X 11 | (16-) | 312.4 1 556.7 2 | 100 4 34 4 | 1419.1+X 1173.6+X | (15-) (14-) | ||
2359.9+X 11 | (18-) | 339.4 1 628.8 2 | 100 5 52 6 | 2020.5+X 1731.1+X | (17-) (16-) | ||
3036.9+X 11 | (20-) | 369.8 1 676.8 2 | 100 7 54 7 | 2667.1+X 2359.9+X | (19-) (18-) | ||
3759.2+X 11 | (22-) | 412.0 1 721.3 3 | 100 14 56 15 | 3347.1+X 3036.9+X | (21-) (20-) | ||
4560.8+X 11 | (24-) | 478.8 1 800.4 4 | 100 23 40 17 | 4082.0+X 3759.2+X | (23-) (22-) | ||
5445.7+X 11 | (26-) | 559.3 1 883.5 6 | 100 10 17 7 | 4886.5+X 4560.8+X | (25-) (24-) | ||
6402.7+X 11 | (28-) | 652.0 2 956.1 16 | 100 47 <29 | 5750.7+X 5445.7+X | (27-) (26-) | ||
7631.7+X 15 | (30-) | 963.0 10 ? | 100 | 6668.7+X | (29-) | ||
E(level) (keV) | Jπ(level) | T1/2(level) | E(γ) | I(γ) | M(γ) | Final Levels | |
Band 2 - π9/2[514]~#ν1/2[660],α=1 | |||||||
275.4+X 1 | (9-) | ||||||
450.0+X 10 | (11-) | ||||||
877.2+X 11 | (13-) | ||||||
1419.1+X 11 | (15-) | 245.6 1 541.8 1 | 100 4 60 4 | 1173.6+X 877.2+X | (14-) (13-) | ||
2020.5+X 11 | (17-) | 289.4 1 601.3 1 | 100 4 45 4 | 1731.1+X 1419.1+X | (16-) (15-) | ||
2667.1+X 11 | (19-) | 307.3 1 646.7 1 | 100 5 58 6 | 2359.9+X 2020.5+X | (18-) (17-) | ||
3347.1+X 11 | (21-) | 310.3 1 679.9 3 | 100 5 29 5 | 3036.9+X 2667.1+X | (20-) (19-) | ||
4082.0+X 11 | (23-) | 322.8 1 735.5 3 | 100 11 60 11 | 3759.2+X 3347.1+X | (22-) (21-) | ||
4886.5+X 11 | (25-) | 325.7 1 804.3 4 | 100 11 26 9 | 4560.8+X 4082.0+X | (24-) (23-) | ||
5750.7+X 11 | (27-) | 305.0 1 862.7 10 | 100 8 9 7 | 5445.7+X 4886.5+X | (26-) (25-) | ||
6668.7+X 11 | (29-) | 266.0 2 918.0 11 | 100 12 33 15 | 6402.7+X 5750.7+X | (28-) (27-) |
Additional Level Data and Comments:
E(level) | Jπ(level) | T1/2(level) | Comments |
275.4+X | (9-) | E(level): π9/2[514]~#ν1/2[660],α=1. | |
359.4+X | (10-) | E(level): π9/2[514]~#ν1/2[660],α=0. | |
450.0+X | (11-) | E(level): π9/2[514]~#ν1/2[660],α=1. | |
692.7+X | (12-) | E(level): π9/2[514]~#ν1/2[660],α=0. | |
877.2+X | (13-) | E(level): π9/2[514]~#ν1/2[660],α=1. | |
1173.6+X | (14-) | E(level): π9/2[514]~#ν1/2[660],α=0. | |
1419.1+X | (15-) | E(level): π9/2[514]~#ν1/2[660],α=1. | |
1731.1+X | (16-) | E(level): π9/2[514]~#ν1/2[660],α=0. | |
2020.5+X | (17-) | E(level): π9/2[514]~#ν1/2[660],α=1. | |
2359.9+X | (18-) | E(level): π9/2[514]~#ν1/2[660],α=0. | |
2667.1+X | (19-) | E(level): π9/2[514]~#ν1/2[660],α=1. | |
3036.9+X | (20-) | E(level): π9/2[514]~#ν1/2[660],α=0. | |
3347.1+X | (21-) | E(level): π9/2[514]~#ν1/2[660],α=1. | |
3759.2+X | (22-) | E(level): π9/2[514]~#ν1/2[660],α=0. | |
4082.0+X | (23-) | E(level): π9/2[514]~#ν1/2[660],α=1. | |
4560.8+X | (24-) | E(level): π9/2[514]~#ν1/2[660],α=0. | |
4886.5+X | (25-) | E(level): π9/2[514]~#ν1/2[660],α=1. | |
5445.7+X | (26-) | E(level): π9/2[514]~#ν1/2[660],α=0. | |
5750.7+X | (27-) | E(level): π9/2[514]~#ν1/2[660],α=1. | |
6402.7+X | (28-) | E(level): π9/2[514]~#ν1/2[660],α=0. | |
6668.7+X | (29-) | E(level): π9/2[514]~#ν1/2[660],α=1. | |
7631.7+X | (30-) | E(level): π9/2[514]~#ν1/2[660],α=0. |
162Ta produced and identified by 1985Li14 in 175Lu(3He,xn), E=280 MeV reaction; measured half-life. In 1984Sc06, α decay of 166Re was studied which indirectly implied the formation of daughter nuclide of 162Ta.
Q-value: S(2n)=20050 90, S(2p)=4090 80, Q(εp)=5490 60 (2012Wa38)