ADOPTED LEVELS, GAMMAS for 144La
Author: A.A. Sonzogni | Citation: Nucl. Data Sheets 93, 599 (2001) | Cutoff date: 1-Dec-2000
Full ENSDF file | Adopted Levels (PDF version)
Q(β-)=5582 keV 14 | S(n)= 4750 keV 15 | S(p)= 8202 keV 15 | Q(α)= -224 keV 16 | ||
Reference: 2012WA38 |
E(level) (keV) | Jπ(level) | T1/2(level) | E(γ) (keV) | I(γ) | M(γ) | Final Levels | |
0.0 | (3-) | 40.8 s 4 % β- = 100 | |||||
16.231 10 | (4-) | 16.33 5 | 100.0 | M1 | 0.0 | (3-) | |
103.855 6 | (2-) | 103.855 6 | 100.0 | M1(+E2) | 0.0 | (3-) | |
172.830 7 | (2-) | 68.93 4 156.600 7 172.828 7 | 18.0 5 98.5 23 100.0 23 | M1(+E2) E2 M1+E2 | 103.855 16.231 0.0 | (2-) (4-) (3-) | |
181.84 6 | (3-) | 8.9S 181.79 8 | 0.7 100 5 | [M1,E2] | 172.830 0.0 | (2-) (3-) | |
185.681 6 | (1-) | 81.826 2 185.72 9 | 100 3 1.3 6 | M1+E2 [E2] | 103.855 0.0 | (2-) (3-) | |
215.167 6 | (1-) | 29.49 5 42.27 4 111.312 2 215.18 13 | 4.03 17 25.0 7 100.0 21 3.8 9 | M1(+E2) M1+E2 [E2] | 185.681 172.830 103.855 0.0 | (1-) (2-) (2-) (3-) | |
294.72 4 | (2-,1-) | 109.10 5 190.9 1 294.66 13 | 31.5 15 36.5 25 100.0 25 | [M1,E2] | 185.681 103.855 0.0 | (1-) (2-) (3-) | |
300.68 4 | (0-) | 115.00 4 | 100.0 | M1+E2 | 185.681 | (1-) | |
311.483 15 | 138.68 5 207.614 16 | 72 6 100.0 20 | 172.830 103.855 | (2-) (2-) | |||
382.94 4 | (1-,2-) | 71.46 6 167.79 5 197.45 13 210.14 13 382.85 11 | 37.1 9 74 6 50 5 36.6 18 100 6 | 311.483 215.167 185.681 172.830 0.0 | (1-) (1-) (2-) (3-) | ||
401.23 4 | (2-) | 215.5 4 219.36 12 228.48 6 401.20 12 | 5 3 59.1 16 100.0 11 51 4 | M1+E2 | 185.681 181.84 172.830 0.0 | (1-) (3-) (2-) (3-) | |
E(level) (keV) | Jπ(level) | T1/2(level) | E(γ) (keV) | I(γ) | M(γ) | Final Levels | |
474.57 3 | (1-) | 163.12 5 259.38 4 288.79 15 | 19.7 17 100.0 17 20.1 17 | 311.483 215.167 185.681 | (1-) (1-) | ||
475.47 4 | (1-) | 74.29 6 92.62 9 180.83 9 260.26 15 289.71 15 293.54 13 302.52 15 371.50 14 | 10.9 7 2.8 5 28 4 94 7 100 4 68.8 16 33 5 9 7 | 401.23 382.94 294.72 215.167 185.681 181.84 172.830 103.855 | (2-) (1-,2-) (2-,1-) (1-) (1-) (3-) (2-) (2-) | ||
477.45 6 | 165.90 7 291.72 15 304.94 14 | 98 17 74 17 100 8 | 311.483 185.681 172.830 | (1-) (2-) | |||
549.98 9 | 334.78 14 | 100.0 | 215.167 | (1-) | |||
603.37 3 | 1+ | 202.17 12 291.72 15 302.52 15 308.70 15 388.19 6 417.69 7 430.48 12 499.59 12 | 6.79 12 12.8 4 1.4 4 0.89 11 73.7 3 17.0 4 100.0 19 1.1 3 | 401.23 311.483 300.68 294.72 215.167 185.681 172.830 103.855 | (2-) (0-) (2-,1-) (1-) (1-) (2-) (2-) | ||
655.18 5 | 440.15 12 473.35 12 482.44 12 551.47 13 | 48.5 20 100 3 67.3 20 19.1 24 | 215.167 181.84 172.830 103.855 | (1-) (3-) (2-) (2-) | |||
669.88 5 | 66.55 5 496.97 13 | 100 4 47 5 | 603.37 172.830 | 1+ (2-) | |||
740.60 6 | 137.14 5 525.95 12 | 5E1 3 100 4 | 603.37 215.167 | 1+ (1-) | |||
E(level) (keV) | Jπ(level) | T1/2(level) | E(γ) (keV) | I(γ) | M(γ) | Final Levels | |
756.18 4 | 1+ | 101.11 8 152.85 5 206.10 15 281.38 13 354.97 11 373.30 14 444.73 12 455.64 12 541.06 12 570.50 12 583.29 12 651.94 12 | 12.2 4 18.9 9 4.5 3 3.3 8 13.0 3 32.0 4 6.7 4 28.2 5 100 3 67.1 9 54.5 9 4.5 9 | 655.18 603.37 549.98 474.57 401.23 382.94 311.483 300.68 215.167 185.681 172.830 103.855 | 1+ (1-) (2-) (1-,2-) (0-) (1-) (1-) (2-) (2-) | ||
990.61 5 | 1+ | 320.84 11 335.77 14 515.43 14 516.30 14 589.40 12 678.56 12 689.90 17 817.55 12 | 13.0 4 7.1 12 100 6 76 6 8.2 7 5.0 8 7.5 5 10.7 5 | 669.88 655.18 475.47 474.57 401.23 311.483 300.68 172.830 | (1-) (1-) (2-) (0-) (2-) | ||
1085.82 7 | 1+ | 430.48 12 702.85 12 785.12 12 791.32 12 870.6 4 | 39 12 100 3 94.3 21 40 4 23.5 21 | 655.18 382.94 300.68 294.72 215.167 | (1-,2-) (0-) (2-,1-) (1-) | ||
1117.05 9 | 805.57 12 822.33 13 | 100 6 64 5 | 311.483 294.72 | (2-,1-) | |||
1223.86 8 | 233.30 11 467.57 12 673.97 16 | 45.1 15 100 6 32 8 | 990.61 756.18 549.98 | 1+ 1+ | |||
E(level) (keV) | Jπ(level) | T1/2(level) | E(γ) (keV) | I(γ) | M(γ) | Final Levels | |
1240.19 10 | 249.52 11 484.14 17 | 100 4 32 5 | 990.61 756.18 | 1+ 1+ |
E(level): Level energies have been calculated by the evaluator using least-squares fit to Eγ.
Jπ(level): Many of the Jπ assignments are based upon γ(mult) and γγ(θ) analysis of 1982Ch22 in β- decay. The authors have assumed that the transitions from 1+ levels at 756, 991 and 1086 to levels <500 are predominantly E1. Supporting many Jπ assingments, calculations of levels configurations in terms of shell-model and Nilsson orbitals can be seen in 1982Ch22.
E(level) (keV) | Jπ(level) | T1/2(level) | E(γ) (keV) | Multipolarity | Mixing Ratio | Conversion Coefficient | Additional Data |
16.231 | (4-) | 16.33 5 | M1 | 38.8 | α=38.8 16 | ||
103.855 | (2-) | 103.855 6 | M1(+E2) | 1.4 | α=1.4 4, α(K)=0.97 13, α(L)=0.31 21, α(M)=0.07 5, α(N+)=0.018 12 | ||
172.830 | (2-) | 68.93 4 | M1(+E2) | 5.5 | α=5.5 23, α(K)=3.1 4, α(L)=1.9 15, α(M)=0.4 4, α(N+)=0.11 9 | ||
(2-) | 156.600 7 | E2 | 0.414 | α=0.414, α(K)=0.301 9, α(L)=0.088 3, α(M)=0.0191 6, α(N+)=0.00506 16 | |||
(2-) | 172.828 7 | M1+E2 | 0.27 | α=0.27 3, α(K)=0.211 9, α(L)=0.043 16, α(M)=0.009 4, α(N+)=0.0025 10 | |||
181.84 | (3-) | 181.79 8 | [M1,E2] | 0.227 | α=0.227 21, α(K)=0.181 6, α(L)=0.036 13, α(M)=0.008 3, α(N+)=0.0020 7 | ||
185.681 | (1-) | 81.826 2 | M1+E2 | 3.0 | α=3.0 11, α(K)=1.9 3, α(L)=0.9 7, α(M)=0.19 15, α(N+)=0.05 4 | ||
(1-) | 185.72 9 | [E2] | 0.230 | α=0.230, α(K)=0.174 6, α(L)=0.0441 14, α(M)=0.0095 3, α(N+)=0.00251 8 | |||
215.167 | (1-) | 42.27 4 | M1(+E2) | 33 | α=33 20, α(K)=9.3 22, α(L)=18 17, α(M)=4 4 | ||
(1-) | 111.312 2 | M1+E2 | 1.1 | α=1.1 3, α(K)=0.79 10, α(L)=0.24 15, α(M)=0.05 4, α(N+)=0.014 9 | |||
(1-) | 215.18 13 | [E2] | 0.140 | α=0.140, α(K)=0.109 4, α(L)=0.0247 8, α(M)=0.00527 16, α(N+)=0.00140 5 | |||
294.72 | (2-,1-) | 294.66 13 | [M1,E2] | 0.053 | α=0.053 3, α(K)=0.044 4, α(L)=0.0070 7, α(M)=0.00146 15, α(N+)=0.00040 4 | ||
300.68 | (0-) | 115.00 4 | M1+E2 | 1.09 11 | 1.00 | α=1.00 3, α(K)=0.722 10, α(L)=0.218 13, α(M)=0.047 3, α(N+)=0.0125 8 | |
401.23 | (2-) | 228.48 6 | M1+E2 | 0.113 | α=0.113 2, α(K)=0.092 2, α(L)=0.016 4, α(M)=0.0034 8, α(N+)=0.00091 20 |
Additional Level Data and Comments:
E(level) | Jπ(level) | T1/2(level) | Comments |
E(level) | E(gamma) | Comments |
475.47 | 302.52 | E(γ): Multiply placed with intensity suitably divided I(γ): Multiply placed with intensity suitably divided |
477.45 | 291.72 | E(γ): Multiply placed with intensity suitably divided I(γ): Multiply placed with intensity suitably divided |
603.37 | 291.72 | E(γ): Multiply placed with intensity suitably divided I(γ): Multiply placed with intensity suitably divided | 302.52 | E(γ): Multiply placed with intensity suitably divided I(γ): Multiply placed with intensity suitably divided | 430.48 | E(γ): Multiply placed with intensity suitably divided I(γ): Multiply placed with intensity suitably divided |
1085.82 | 430.48 | E(γ): Multiply placed with intensity suitably divided I(γ): Multiply placed with intensity suitably divided |
All data are from 144Ba β- decay
Fission yields: 1987Ch16, 1986Di09
Q-value: Note: Current evaluation has used the following Q record 5541 56 4780 58 8244 57 -269 56 1995Au04