ADOPTED LEVELS, GAMMAS for 129Sb
Authors: Janos Timar and Zoltan Elekes, Balraj Singh | Citation: Nucl. Data Sheets 121, 143 (2014) | Cutoff date: 31-May-2014
Full ENSDF file | Adopted Levels (PDF version)
Q(β-)=2376 keV 21 | S(n)= 8070 keV 29 | S(p)= 8556 keV 28 | Q(α)= -6580 keV 30 | ||
Reference: 2012WA38 |
References: | |||
A | 129Sn β- decay (2.23 M) | B | 129Sn β- decay (6.9 M) |
C | 129Sb IT decay (17.7 M) | D | 129Sb IT decay (2.2 μs) |
E | 129Sb IT decay (1.1 μs) | F | 130Te(d,3He) |
G | 130Te(t,α) | H | 241Pu(n,Fγ) E=THERMAL |
E(level) (keV) | XREF | Jπ(level) | T1/2(level) | E(γ) (keV) | I(γ) | M(γ) | Final Levels | |
0.0 | ABCDEFGH | 7/2+ | 4.366 h 26 % β- = 100 | |||||
645.14 5 | A FG | (5/2)+ | 645.19 5 | 100 | 0.0 | 7/2+ | ||
913.58 5 | A FG | (3/2)+ | 913.54 5 | 100 | 0.0 | 7/2+ | ||
1128.63 4 | BCDE H | (11/2+) | 1128.60 5 | 100 | 0.0 | 7/2+ | ||
1161.39 4 | AB D | (9/2+) | 1161.42 5 | 100 | 0.0 | 7/2+ | ||
1252.25 5 | A | (3/2+,5/2,7/2-) | 1252.21 5 | 100 | 0.0 | 7/2+ | ||
1493.33 7 | A FG | (1/2+) | 579.30 8 848.27 6 | 98 4 100.0 21 | 913.58 645.14 | (3/2)+ (5/2)+ | ||
1503.61 7 | A | (5/2+) | 251.7 4 342.2 2 858.2 2 1503.63 8 | 31.1 11 48.4 11 89.5 16 100.0 26 | 1252.25 1161.39 645.14 0.0 | (3/2+,5/2,7/2-) (9/2+) (5/2)+ 7/2+ | ||
1762.17 9 | A | (1/2,3/2,5/2) | 1117.06 8 | 100 | 645.14 | (5/2)+ | ||
1842.13 7 | A | (1/2,3/2,5/2) | 349.0 2 1196.98 5 | 23.2 7 100.0 17 | 1493.33 645.14 | (1/2+) (5/2)+ | ||
1848.97 9 | A | (5/2+) | 688.0 3 1203.8 1 | 36.0 17 100.0 17 | 1161.39 645.14 | (9/2+) (5/2)+ | ||
1851.31 6 | BCDE H | (19/2-) | 17.7 m 1 % β- = 85 % IT = 15 | 722.69 5 | 100 | (M4) | 1128.63 | (11/2+) |
1861.06 5 | B D H | (15/2-) | 2.2 µs 2 % IT = 100 | 9.76 8 S 699.64 6 732.48 5 | 0.033 2 100.0 22 47.4 4 | [E2] [E3] [M2] | 1851.31 1161.39 1128.63 | (19/2-) (9/2+) (11/2+) |
1911.21 5 | B | (13/2-) | 50.13 5 782.59 5 | 10.19 9 100 3 | [M1] | 1861.06 1128.63 | (15/2-) (11/2+) | |
1913.81 22 | A | (1/2,3/2,5/2) | 410.2 2 | 100 | 1503.61 | (5/2+) | ||
1922.32 6 | B | (11/2-) | 761.0 1 | 100 | 1161.39 | (9/2+) | ||
1928.63 5 | B | (17/2-) | 67.47 5 77.34 5 | 31 3 100 3 | [M1] [M1] | 1861.06 1851.31 | (15/2-) (19/2-) | |
E(level) (keV) | XREF | Jπ(level) | T1/2(level) | E(γ) (keV) | I(γ) | M(γ) | Final Levels | |
1940.37 8 | B | (15/2-,17/2-) | 79.4 1 | 100 | [M1] | 1861.06 | (15/2-) | |
1972.75 5 | B | (13/2-) | 44.04 5 61.55 5 111.78 5 | 35.8 17 68.2 22 100.0 11 | [E2] [M1] [M1] | 1928.63 1911.21 1861.06 | (17/2-) (13/2-) (15/2-) | |
1991.95 5 | B | (13/2-) | 69.67 5 80.68 5 130.91 5 | 100 3 65 9 11.7 9 | [M1] [M1] [M1] | 1922.32 1911.21 1861.06 | (11/2-) (13/2-) (15/2-) | |
2031.06 5 | B | (11/2-,13/2-) | 39.04 5 108.81 5 119.92 5 902.39 5 | 0.87 5 15.7 5 53.0 9 100 9 | [M1] [M1] [M1] | 1991.95 1922.32 1911.21 1128.63 | (13/2-) (11/2-) (13/2-) (11/2+) | |
2040.81 21 | E H | (19/2+) | 189.5 2 | | 1851.31 | (19/2-) | ||
2115.09 11 | A | (1/2,3/2,5/2) | 266.1 2 353.1 2 862.2 1 1470.4 1 | 76.6 12 26.3 12 38.3 12 100.0 24 | 1848.97 1762.17 1252.25 645.14 | (5/2+) (1/2,3/2,5/2) (3/2+,5/2,7/2-) (5/2)+ | ||
2139.4 3 | E H | (23/2+) | 1.1 µs 1 % IT = 100 | 98.6 2 | | E2 | 2040.81 | (19/2+) |
2148.12 5 | B | (15/2-) | 156.18 5 175.36 5 219.48 5 236.96 5 | 14.4 4 12.5 3 100.0 10 43.6 4 | 1991.95 1972.75 1928.63 1911.21 | (13/2-) (13/2-) (17/2-) (13/2-) | ||
2148.46 7 | B | (9/2,11/2,13/2) | 117.40 5 | 100 | 2031.06 | (11/2-,13/2-) | ||
2155.05 11 | A | (1/2,3/2,5/2) | 1509.9 1 | 100 | 645.14 | (5/2)+ | ||
2181.09 9 | A | (1/2,3/2,5/2) | 332.2 2 339.1 2 928.8 2 1535.9 1 | 13.8 9 30.4 23 100.0 18 66.8 14 | 1848.97 1842.13 1252.25 645.14 | (5/2+) (1/2,3/2,5/2) (3/2+,5/2,7/2-) (5/2)+ | ||
2221.32 12 | B | (9/2,11/2,13/2) | 299.0 1 | 100 | 1922.32 | (11/2-) | ||
2232.16 11 | B | (9/2-,11/2,13/2) | 320.9 1 | 100 | 1911.21 | (13/2-) | ||
E(level) (keV) | XREF | Jπ(level) | T1/2(level) | E(γ) (keV) | I(γ) | M(γ) | Final Levels | |
2247.35 7 | B | (13/2-,15/2+) | 307.00 5 336.12 5 | 52 26 100 5 | 1940.37 1911.21 | (15/2-,17/2-) (13/2-) | ||
2259.75 11 | A | (1/2,3/2,5/2) | 1614.6 1 | 100 | 645.14 | (5/2)+ | ||
2271.56 7 | B | (15/2-) | 123.44 5 279.6 1 | 100.0 6 8 4 | [M1] | 2148.12 1991.95 | (15/2-) (13/2-) | |
2294.69 8 | B | (9/2-:15/2+) | 322.03 8 | 100 | 1972.75 | (13/2-) | ||
2297.23 10 | B | (13/2-,15/2+) | 368.6 1 386.0 2 | 100 10 59 5 | 1928.63 1911.21 | (17/2-) (13/2-) | ||
2303.35 7 | B | (9/2-,11/2,13/2+) | 311.47 5 1141.5 8 1174.42 5 | 100.0 12 88 8 28.9 18 | 1991.95 1161.39 1128.63 | (13/2-) (9/2+) (11/2+) | ||
2317.08 7 | B | (9/2,11/2,13/2+) | 285.98 6 1155.72 9 1188.6 5 | 8.6 12 100.0 4 36 6 | 2031.06 1161.39 1128.63 | (11/2-,13/2-) (9/2+) (11/2+) | ||
2329.85 21 | B | (13/2-) | 82.5 2 | 100 | [M1] | 2247.35 | (13/2-,15/2+) | |
2369.21 10 | B | (9/2,11/2,13/2+) | 1207.7 2 1240.6 1 | 100.0 9 25.0 13 | 1161.39 1128.63 | (9/2+) (11/2+) | ||
2377.5 6 | B | (9/2,11/2,13/2) | 145.3 6 | 100 | 2232.16 | (9/2-,11/2,13/2) | ||
2383.63 22 | A | (1/2,3/2,5/2) | 890.3 2 | 100 | 1493.33 | (1/2+) | ||
2392.89 10 | A | (1/2,3/2,5/2) | 1140.6 2 1479.3 1 | 100 10 27 9 | 1252.25 913.58 | (3/2+,5/2,7/2-) (3/2)+ | ||
2430.24 6 | B | (11/2-,13/2+) | 135.7 1 159.4 2 507.84 7 519.04 6 1268.6 2 | 8.8 12 37.6 8 100 8 79.2 24 68 4 | 2294.69 2271.56 1922.32 1911.21 1161.39 | (9/2-:15/2+) (15/2-) (11/2-) (13/2-) (9/2+) | ||
2434.44 8 | B | (13/2-,15/2+) | 505.80 5 | 100 | 1928.63 | (17/2-) | ||
2564.80 10 | B | (11/2-,13/2) | 417.0 2 1436.1 1 | 34.6 9 100.0 13 | 2148.12 1128.63 | (15/2-) (11/2+) | ||
2568.28 8 | B | (11/2-,13/2+) | 296.2 5 1406.89 7 | 31 3 100.0 13 | 2271.56 1161.39 | (15/2-) (9/2+) | ||
E(level) (keV) | XREF | Jπ(level) | T1/2(level) | E(γ) (keV) | I(γ) | M(γ) | Final Levels | |
2611.26 8 | B | (11/2-,13/2+) | 339.6 2 618.6 4 688.5 2 1449.97 8 | 11.9 24 100.0 17 60.6 14 28.0 10 | 2271.56 1991.95 1922.32 1161.39 | (15/2-) (13/2-) (11/2-) (9/2+) | ||
2665.03 8 | B | (9/2,11/2,13/2+) | 1503.63 7 | 100 | 1161.39 | (9/2+) | ||
2678.29 9 | B | (9/2,11/2,13/2) | 445.2 2 1549.69 8 | 100 4 36 3 | 2232.16 1128.63 | (9/2-,11/2,13/2) (11/2+) | ||
2698.46 21 | B | (11/2-,13/2) | 426.9 2 | 100 | 2271.56 | (15/2-) | ||
2710 10 | FG | 7/2+,9/2+ | ||||||
2722.8 3 | B | (11/2-,13/2) | 425.4 5 451.4 5 574.7 5 | 57 14 100 14 51 5 | 2297.23 2271.56 2148.12 | (13/2-,15/2+) (15/2-) (15/2-) | ||
2726.45 7 | B | (9/2,11/2,13/2) | 295.0 3 408.0 2 422.3 2 695.43 5 1597.4 2 | 100.0 7 98 10 48.4 7 86.9 9 59.1 9 | 2430.24 2317.08 2303.35 2031.06 1128.63 | (11/2-,13/2+) (9/2,11/2,13/2+) (9/2-,11/2,13/2+) (11/2-,13/2-) (11/2+) | ||
2747.9 3 | A | (1/2,3/2,5/2) | 2102.7 3 | 100 | 645.14 | (5/2)+ | ||
2766.90 10 | B | (9/2,11/2,13/2) | 844.58 8 | 100 | 1922.32 | (11/2-) | ||
2785.4 4 | A | (1/2,3/2,5/2) | 1281.8 4 | 100 | 1503.61 | (5/2+) | ||
2796.80 21 | B | (9/2,11/2,13/2+) | 1635.4 2 | 100 | 1161.39 | (9/2+) | ||
2822.71 19 | B | (9/2-,11/2,13/2) | 258.2 4 505.5 2 851.3 9 | 0.75 8 100.0 23 2.63 15 | 2564.80 2317.08 1972.75 | (11/2-,13/2) (9/2,11/2,13/2+) (13/2-) | ||
2831.30 11 | A | (1/2,3/2,5/2) | 1327.69 8 | 100 | 1503.61 | (5/2+) | ||
2864.40 19 | B | (11/2-,13/2) | 592.8 2 716.4 4 | 33.6 9 100.0 10 | 2271.56 2148.12 | (15/2-) (15/2-) | ||
2882.08 15 | B | (9/2,11/2,13/2+) | 578.8 2 1720.6 2 | 97 16 100.0 13 | 2303.35 1161.39 | (9/2-,11/2,13/2+) (9/2+) | ||
2884.43 15 | B | (9/2,11/2,13/2) | 961.8 2 1756.1 2 | 2.6 3 100 3 | 1922.32 1128.63 | (11/2-) (11/2+) | ||
E(level) (keV) | XREF | Jπ(level) | T1/2(level) | E(γ) (keV) | I(γ) | M(γ) | Final Levels | |
2948.25 21 | B | (9/2,11/2,13/2) | 1819.6 2 | 100 | 1128.63 | (11/2+) | ||
2960.5 4 | B | (9/2,11/2,13/2) | 1831.9 4 | 100 | 1128.63 | (11/2+) | ||
3013.8 4 | B | (9/2,11/2,13/2) | 1885.2 4 | 100 | 1128.63 | (11/2+) | ||
3031.95 21 | B | (9/2-,11/2,13/2) | 1059.2 2 | 100 | 1972.75 | (13/2-) | ||
3070.02 8 | B | (9/2,11/2,13/2) | 1147.69 6 | 100 | 1922.32 | (11/2-) | ||
3071 10 | FG | 1/2-,3/2- | ||||||
3094.1 5 | A | (1/2,3/2,5/2) | 2448.9 5 | 100 | 645.14 | (5/2)+ | ||
3097.03 20 | B | (9/2-,11/2,13/2) | 1066.2 7 1185.8 2 | 61 3 100 4 | 2031.06 1911.21 | (11/2-,13/2-) (13/2-) | ||
3110 10 | G | |||||||
3130.8 8 | B | (9/2,11/2,13/2) | 827.4 8 | 100 | 2303.35 | (9/2-,11/2,13/2+) | ||
3148.13 8 | B | (9/2,11/2,13/2) | 1225.80 5 | 100 | 1922.32 | (11/2-) | ||
3164.05 11 | B | (9/2,11/2,13/2) | 2035.4 1 | 100 | 1128.63 | (11/2+) | ||
3208.68 12 | B | (9/2,11/2,13/2) | 891.6 1 | 100 | 2317.08 | (9/2,11/2,13/2+) | ||
3274.16 12 | B | (9/2-,11/2,13/2) | 1301.4 1 2146 1 | 3.7 6 100.0 10 | 1972.75 1128.63 | (13/2-) (11/2+) | ||
3280.71 8 | B | (13/2-) | 1352.07 5 | 100 | 1928.63 | (17/2-) | ||
3291 10 | G | |||||||
3410 10 | G | 1/2-,3/2- | ||||||
3484 10 | G | 5/2-,7/2- |
E(level): From least-squares fit to Eγ data by leaving out 408γ from 2726 level and doubling the uncertainties of the following γ rays: 579γ from 1493 level, 862γ and 1470γ from 2115 level, 1174γ from 2303 level, 159γ from 2430 level, 445γ from 2678 level, 295γ, 408γ and 422γ from 2726 level. Reduced χ2=2.1 instead of 4.6 without making these adjustments as compared to critical χ2=1.5
E(level) (keV) | Jπ(level) | T1/2(level) | E(γ) (keV) | Multipolarity | Conversion Coefficient | Additional Data |
1851.31 | (19/2-) | 17.7 m 1 % β- = 85 % IT = 15 | 722.69 5 | (M4) | 0.0547 | B(M4)(W.u.)=0.0317 2, α=0.0547, α(K)=0.0457 7, α(L)=0.00721 11, α(M)=0.001462 21, α(N)=0.000281 4, α(O)=2.68×10-5 4 |
1861.06 | (15/2-) | 2.2 µs 2 % IT = 100 | 9.76 8 | [E2] | 3.39×104 | B(E2)(W.u.)=1.96 25, α=3.39E4, α(L)=2.72E4 4, α(M)=5.59E3 8, α(N)=989 14, α(O)=63.6 9 |
(15/2-) | 2.2 µs 2 % IT = 100 | 699.64 6 | [E3] | B(E3)(W.u.)=0.53 6 | ||
(15/2-) | 2.2 µs 2 % IT = 100 | 732.48 5 | [M2] | B(M2)(W.u.)=9.7×10-5 10 | ||
1911.21 | (13/2-) | 50.13 5 | [M1] | 4.53 | α=4.53 | |
1928.63 | (17/2-) | 67.47 5 | [M1] | 1.91 | α=1.91 | |
(17/2-) | 77.34 5 | [M1] | 1.29 | α=1.29 | ||
1940.37 | (15/2-,17/2-) | 79.4 1 | [M1] | 1.20 | α=1.20 | |
1972.75 | (13/2-) | 44.04 5 | [E2] | 31.9 | α=31.9 | |
(13/2-) | 61.55 5 | [M1] | 2.49 | α=2.49 | ||
(13/2-) | 111.78 5 | [M1] | 0.452 | α=0.452 | ||
1991.95 | (13/2-) | 69.67 5 | [M1] | 1.742 | α=1.742 | |
(13/2-) | 80.68 5 | [M1] | 1.142 | α=1.142 | ||
(13/2-) | 130.91 5 | [M1] | 0.290 | α=0.290 | ||
2031.06 | (11/2-,13/2-) | 39.04 5 | [M1] | 9.40 | α=9.40 | |
(11/2-,13/2-) | 108.81 5 | [M1] | 0.49 | α=0.49 | ||
(11/2-,13/2-) | 119.92 5 | [M1] | 0.37 | α=0.37 | ||
2139.4 | (23/2+) | 1.1 µs 1 % IT = 100 | 98.6 2 | E2 | 1.73 | B(E2)(W.u.)=0.52 5, α=1.73 3, α(K)=1.226 19, α(L)=0.406 7, α(M)=0.0838 14, α(N)=0.0153 3, α(O)=0.001138 19 |
2271.56 | (15/2-) | 123.44 5 | [M1] | 0.34 | α=0.34 | |
2329.85 | (13/2-) | 82.5 2 | [M1] | 1.07 | α=1.07 |
Additional Level Data and Comments:
E(level) | Jπ(level) | T1/2(level) | Comments |
1493.33 | (1/2+) | XREF: F(1450)γ(1450). |
E(level) | E(gamma) | Comments |
1851.31 | 722.69 | M(γ): from α(K)exp=0.049 9 (1987St23). |
2115.09 | 862.2 | E(γ): level-energy difference=862.8 |
2139.4 | 98.6 | M(γ): α(K)exp is compatible only with E2 character (2003Ge04) |
2726.45 | 408.0 | E(γ): Poor fit. Level-energy difference=409.4 |
1939Ab02: 129Sb produced and identified in irradiation of uranium with high-energy neutrons produced in a cyclotron, followed by chemical separation; measured half-life and absorption curves
Later decay studies: 1962Uh01, 1966Ta05, 1967Ha27, 1974Fo06, 1982Hu09, 1987St03, 1987StZO
1981Sa15: particle-core coupling and shell-model calculations of level energies and Jπ values
Inclusion of detailed decay data from 1987StZO in the 2014 update of 129Sb has resulted in extensive revision of data for levels and γ rays. In the opinion of the evaluators, the decay scheme of 6.9-min 129Sn decay is incomplete and is worthy of further study
Q-value: S(2n)=14072 22, S(2p)=22309 30 (2012Wa38)