ADOPTED LEVELS, GAMMAS for 142La
Authors: T.D. Johnson, D. Symochko, M. Fadil, and J.K. Tuli | Citation: Nucl. Data Sheets 112, 1949 (2011) | Cutoff date: 1-Jun-2010
Full ENSDF file | Adopted Levels (PDF version)
Q(β-)=4509 keV 6 | S(n)= 5161 keV 8 | S(p)= 7580 keV 9 | Q(α)= 438 keV 12 | ||
Reference: 2012WA38 |
References: | |||
A | 142Ba β- decay |
E(level) (keV) | XREF | Jπ(level) | T1/2(level) | E(γ) (keV) | I(γ) | M(γ) | Final Levels | |
0.0 | A | 2- | 91.1 m 5 % β- = 100 | |||||
77.594 3 | A | (2)- | 77.594 3 | 100 | M1,E2 | 0.0 | 2- | |
145.82 8 | A | (4)- | 0.87 µs 17 | 68.3 1 | 100 | E2 | 77.594 | (2)- |
147.24 5 | A | - | 69.7 1 147.5 5 | 100 5 28 5 | M1,E2 | 77.594 0.0 | (2)- 2- | |
231.3 4 ? | A | 84.0 5 | 100 | 147.24 | - | |||
255.302 12 | A | 1- | 255.300 12 | 100 | M1+E2 | 0.0 | 2- | |
300.38 6 | A | 153.1 1 154.6 1 222.8 1 | 18 5 100 6 66 3 | 147.24 145.82 77.594 | - (4)- (2)- | |||
309.210 11 | A | 2- | 8.7S 162.3 1 231.611 10 309.2 1 | 0.9 1 100 2 21 1 | M1+E2 (M1+E2) | 300.38 147.24 77.594 0.0 | - (2)- 2- | |
335.02 6 | A | 1(-) | 79.8 5 257.5 1 335.0 1 | 2.5 8 9.5 22 100 1 | 255.302 77.594 0.0 | 1- (2)- 2- | ||
361.44 11 | A | 130.0 5 215.7 2 283.5 2 | 21 6 36 14 100 29 | 231.3 145.82 77.594 | (4)- (2)- | |||
363.94 3 | A | 2(-) | 63.6 1 216.6 1 286.3 1 363.96 3 | 1.9 3 4 1 23 2 100 3 | M1,E2 (M1+E2) (M1+E2) | 300.38 147.24 77.594 0.0 | - (2)- 2- | |
417.80 9 | A | 340.5 7 417.8 2 | 6.7 56 100 11 | 77.594 0.0 | (2)- 2- | |||
424.99 3 | A | 1(-) | 346.8 2 425.036 31 | 2.3 2 100 2 | (M1+E2) | 77.594 0.0 | (2)- 2- | |
432.30 5 | A | 1- | 68.3 1 123.0 1 177.0 1 354.7 5 432.3 1 | 4.5 6 54 19 100 2 2.9 10 60 5 | M1,E2 | 363.94 309.210 255.302 77.594 0.0 | 2(-) 2- 1- (2)- 2- | |
E(level) (keV) | XREF | Jπ(level) | T1/2(level) | E(γ) (keV) | I(γ) | M(γ) | Final Levels | |
604.46 6 | A | (1-,2-) | 172.6 3 242.9 2 269.5 1 457.1 1 604.3 2 | 4.0 16 20 4 100 9 40.4 16 45.3 22 | (M1+E2) (M1+E2) (M1+E2) | 432.30 361.44 335.02 147.24 0.0 | 1- 1(-) - 2- | |
666.13 14 | A | 356.8 5 588.4 2 | 91 27 100 16 | 309.210 77.594 | 2- (2)- | |||
866.91 6 | A | 434.4 1 557.7 1 | 100 14 55 2 | 432.30 309.210 | 1- 2- | |||
969.57 14 | A | 537.2 2 714.4 4 | 100 18 59 20 | 432.30 255.302 | 1- 1- | |||
984.39 8 | A | 380.0 5 620.3 3 622.8 2 649.3 2 674.4 6 907.2 4 984.5 3 | 89 31 67 17 89 17 94 17 89 36 56 19 100 19 | 604.46 363.94 361.44 335.02 309.210 77.594 0.0 | (1-,2-) 2(-) 1(-) 2- (2)- 2- | |||
1009.68 10 | A | 577.7 2 674.7 7 932.6 9 | 83 13 85 33 100 75 | 432.30 335.02 77.594 | 1- 1(-) (2)- | |||
1078.71 5 | A | (1+) | 412.7 5 654.6 2 660.9 1 769.4 1 823.4 3 931.6 4 1001.2 1 1078.7 1 | 0.5 2 0.8 1 2.0 11 6.6 16 2.5 9 0.7 5 85 2 100 3 | 666.13 424.99 417.80 309.210 255.302 147.24 77.594 0.0 | 1(-) 2- 1- - (2)- 2- | ||
1204.35 4 | A | (1)+ | 220.2 2 337.7 2 599.8 1 771.9 2 786.6 2 840.4 1 895.2 1 949.1 1 1126.8 1 1204.3 1 | 0.5 1 2.2 2 13.0 14 0.7 1 1.3 1 25 1 97 3 74 2 11 1 100 2 | 984.39 866.91 604.46 432.30 417.80 363.94 309.210 255.302 77.594 0.0 | (1-,2-) 1- 2(-) 2- 1- (2)- 2- | ||
E(level) (keV) | XREF | Jπ(level) | T1/2(level) | E(γ) (keV) | I(γ) | M(γ) | Final Levels | |
1457.90 4 | A | (1)+ | 253.7 1 379.4 1 448.3 1 473.4 1 488.3 2 590.7 1 791.6 2 853 1033.0 1 1040 1094.1 1 1122.9 1 1148.7 1 1202.4 1 1380.2 1 | 9.6 7 10.4 2 4.5 3 7.5 3 1.7 3 5.6 3 1.5 3 0.6 3 6.2 3 1.4 5 51 2 7.1 3 9.0 33 100 4 61 3 | 1204.35 1078.71 1009.68 984.39 969.57 866.91 666.13 604.46 424.99 417.80 363.94 335.02 309.210 255.302 77.594 | (1)+ (1+) (1-,2-) 1(-) 2(-) 1(-) 2- 1- (2)- | ||
1539.26 16 | A | (1) | 934 1114.4 4 1230.2 2 1283.6 3 | 30 16 100 40 82 8 64 12 | 604.46 424.99 309.210 255.302 | (1-,2-) 1(-) 2- 1- |
E(level) (keV) | Jπ(level) | T1/2(level) | E(γ) (keV) | Multipolarity | Mixing Ratio | Conversion Coefficient | Additional Data |
77.594 | (2)- | 77.594 3 | M1,E2 | 3.6 | α=3.6 14, α(K)=2.2 3, α(L)=1.1 9, α(M)=0.24 19, α(N)=0.05 4, α(O)=0.007 6, α(P)=0.000140 10, α(N+)=0.06 5 | ||
145.82 | (4)- | 0.87 µs 17 | 68.3 1 | E2 | 7.92 | B(E2)(W.u.)=1.10 22, α=7.92, α(K)=3.49 5, α(L)=3.47 6, α(M)=0.772 12, α(N)=0.163 3, α(O)=0.0228 4, α(P)=0.000179 3, α(N+)=0.186 3 | |
147.24 | - | 69.7 1 | M1,E2 | 5.2 | α=5.2 22, α(K)=3.0 4, α(L)=1.8 14, α(M)=0.4 4, α(N)=0.08 7, α(O)=0.012 9, α(P)=0.000187 17, α(N+)=0.09 8 | ||
255.302 | 1- | 255.300 12 | M1+E2 | -0.26 16 | 0.0808 | α=0.0808, α(K)=0.0689 12, α(L)=0.0094 4, α(M)=0.00196 8, α(N)=0.000431 16, α(O)=6.98×10-5 21, α(P)=5.29E-6 14, α(N+)=0.000506 18 | |
309.210 | 2- | 231.611 10 | M1+E2 | -0.16 4 | 0.1052 | α=0.1052, α(K)=0.0898 13, α(L)=0.01214 20, α(M)=0.00252 4, α(N)=0.000554 9, α(O)=9.00×10-5 14, α(P)=6.93E-6 10, α(N+)=0.000651 11 | |
2- | 309.2 1 | (M1+E2) | -0.74 15 | 0.0467 | α=0.0467 9, α(K)=0.0393 9, α(L)=0.00583 12, α(M)=0.00122 3, α(N)=0.000267 6, α(O)=4.25×10-5 7, α(P)=2.91E-6 10, α(N+)=0.000312 7 | ||
363.94 | 2(-) | 63.6 1 | M1,E2 | 7 | α=7 4, α(K)=3.8 4, α(L)=2.7 22, α(M)=0.6 5, α(N)=0.12 11, α(O)=0.018 15, α(P)=0.00024 3, α(N+)=0.14 12 | ||
2(-) | 286.3 1 | (M1+E2) | -0.00 6 | 0.0598 | α=0.0598, α(K)=0.0512 8, α(L)=0.00678 10, α(M)=0.001406 20, α(N)=0.000309 5, α(O)=5.04×10-5 7, α(P)=3.96E-6 6, α(N+)=0.000363 6 | ||
2(-) | 363.96 3 | (M1+E2) | -0.77 12 | 0.0297 | α=0.0297 7, α(K)=0.0251 6, α(L)=0.00362 5, α(M)=0.000755 11, α(N)=0.0001652 24, α(O)=2.64×10-5 4, α(P)=1.87E-6 6, α(N+)=0.000194 3 | ||
424.99 | 1(-) | 425.036 31 | (M1+E2) | +0.31 24 | 0.0211 | α=0.0211 9, α(K)=0.0180 8, α(L)=0.00239 5, α(M)=0.000496 9, α(N)=0.0001091 21, α(O)=1.77×10-5 4, α(P)=1.38E-6 8, α(N+)=0.000128 3 | |
432.30 | 1- | 123.0 1 | M1,E2 | 0.78 | α=0.78 18, α(K)=0.58 7, α(L)=0.16 9, α(M)=0.034 20, α(N)=0.007 5, α(O)=0.0011 6, α(P)=3.81×10-5 20, α(N+)=0.008 5 | ||
604.46 | (1-,2-) | 269.5 1 | (M1+E2) | 0.0682 | α=0.0682 22, α(K)=0.057 4, α(L)=0.0092 13, α(M)=0.0019 3, α(N)=0.00042 6, α(O)=6.6×10-5 8, α(P)=4.1E-6 6, α(N+)=0.00049 7 | ||
(1-,2-) | 457.1 1 | (M1+E2) | 0.0156 | α=0.0156 24, α(K)=0.0132 22, α(L)=0.00187 14, α(M)=0.000391 25, α(N)=8.6×10-5 6, α(O)=1.37E-5 12, α(P)=9.8E-7 21, α(N+)=0.000100 8 | |||
(1-,2-) | 604.3 2 | (M1+E2) | 0.0076 | α=0.0076 14, α(K)=0.0065 13, α(L)=0.00088 12, α(M)=0.000183 23, α(N)=4.0×10-5 6, α(O)=6.5E-6 9, α(P)=4.8E-7 11, α(N+)=4.7E-5 7 |
Additional Level Data and Comments:
E(level) | Jπ(level) | T1/2(level) | Comments |
Gammas: All data are from 142Ba β- decay
Q-value: Note: Current evaluation has used the following Q record 4510 65159 87578 8440 11 2011AuZZ
Q-value: Q(β-n)=-2658 6, Q(εp)=-12831 12 2011AuZZ
Q-value: Values in 2003Au03: Q(β-)=4504 5, S(n)=5168 7, S(p)=7598 10, Q(α)=428 11, Q(β-n)=-2666 6, Q(εp)=-12847 12