ADOPTED LEVELS, GAMMAS for 144Ce
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-)=318.6 keV 9 | S(n)= 6897 keV 4 | S(p)= 9549 keV 8 | Q(α)= 414 keV 9 | ||
| Reference: 2012WA38 |
| References: | |||
| A | 144La β- decay | B | 252Cf,242Pu SF decay |
| E(level) (keV) | XREF | Jπ(level) | T1/2(level) | E(γ) (keV) | I(γ) | M(γ) | Final Levels | |
| 0.0 | AB | 0+ | 284.91 d 5 % β- = 100 | |||||
| 397.441 9 | AB | 2+ | 35.4 ps 20 | 397.440 9 | 100.0 | E2 | 0.0 | 0+ |
| 938.65 6 | AB | 4+ | 541.20 6 | 100.0 | E2 | 397.441 | 2+ | |
| 1242.21 15 | AB | (3-) | 303.6 3 844.8 4 | 6.6 4 100 4 | (E1+M2) (E1+M2) | 938.65 397.441 | 4+ 2+ | |
| 1346.1 7 | A | (1) | 948.6 1346.1 | | 397.441 0.0 | 2+ 0+ | ||
| 1489.0 3 | A | 2(+) | 1092.1 5 1489.6 6 | 71 8 100 8 | (E2+M1) | 397.441 0.0 | 2+ 0+ | |
| 1523.67 10 | AB | (5-) | 585.02 9 | 100.0 | D+Q | 938.65 | 4+ | |
| 1646.80 17 | B | (6+) | 708.6 | 100.0 | 938.65 | 4+ | ||
| 1673.67 18 | A | 4+ | 431.4 3 735.2 3 1276.3 5 | 51.2 22 100 3 22.7 16 | (E1+M2) (M1+E2) (E2) | 1242.21 938.65 397.441 | (3-) 4+ 2+ | |
| 1691.53 22 | A | 3(+) | 449.5 4 1294.2 5 | 20 3 100 10 | (M1+E2) | 1242.21 397.441 | (3-) 2+ | |
| 1819.0 4 | A | 2+ | 1421.8 6 1819.1 9 | 100 10 11 11 | E2+M1 | 397.441 0.0 | 2+ 0+ | |
| 1829.01 19 | A | 4+ | 587.0 3 890.4 4 1431.4 4 | 22.6 25 30.2 25 100 4 | (M1+E2) (E2) | 1242.21 938.65 397.441 | (3-) 4+ 2+ | |
| 1864.5 4 | A | 1 | 1467.1 6 1864.2 9 | 100 16 47 18 | D(+Q) | 397.441 0.0 | 2+ 0+ | |
| 1890.92 18 | A | 5(+),3 | 367.3 3 952.2 3 | 50 4 100 13 | D+Q | 1523.67 938.65 | (5-) 4+ | |
| 1991.55 22 | A | 3,5 | 467.7 4 1052.7 3 | 26 5 100 6 | D+Q | 1523.67 938.65 | (5-) 4+ | |
| 1994.34 19 | B | (7-) | 347.6 471.1? | 100 | 1646.80 1523.67 | (6+) (5-) | ||
| E(level) (keV) | XREF | Jπ(level) | T1/2(level) | E(γ) (keV) | I(γ) | M(γ) | Final Levels | |
| 2021.1 4 | A | 3(+) | 1082.7 6 1623.8 7 | 78 14 100 14 | (E2+M1) (M1+E2) | 938.65 397.441 | 4+ 2+ | |
| 2028.7 4 | A | 1(+) | 1631.8 7 2028.7 9 | 100 10 34 6 | (M1+E2) | 397.441 0.0 | 2+ 0+ | |
| 2040.7 3 | A | 3(+) | 798.5 5 1102.1 5 1641.9 9 | 40 6 100 9 23 12 | (M1+E2) | 1242.21 938.65 397.441 | (3-) 4+ 2+ | |
| 2112.10 19 | A | 2+,(1+) | 1714.6 8 2112.0 2 | 100 18 22 8 | (M1+E2) | 397.441 0.0 | 2+ 0+ | |
| 2127.0 3 | A | 2+,3(+),4 | 453.4 4 | 100.0 | (E2+M1) | 1673.67 | 4+ | |
| 2152.8 4 | A | 2+ | 1214.5 8 ? 1755.5 8 2152.8 9 | <46.43 100 16 27 13 | (M1+E2) | 938.65 397.441 0.0 | 4+ 2+ 0+ | |
| 2220.8 4 | A | 4(-) | 978.5 5 1282.1 6 | 100 6 17 5 | (M1+E2) | 1242.21 938.65 | (3-) 4+ | |
| 2339.8 4 | A | 2(+) | 1401.1 6 1942.2 9 2339.5 | 51 7 100 9 19.59 | (M1+E2) | 938.65 397.441 0.0 | 4+ 2+ 0+ | |
| 2352.6 4 | A | 2+ | 1413.9 6 1955.1 9 2352.4 10 ? | 100 18 9E1 3 47 18 | 938.65 397.441 0.0 | 4+ 2+ 0+ | ||
| 2368.77 19 | B | (8+) | 374.5 721.9 | 100 67 | 1994.34 1646.80 | (7-) (6+) | ||
| 2405.2 4 | A | 3,2(+) | 2007.8 9 | 100.00 | D+Q | 397.441 | 2+ | |
| 2447.5 10 | A | 2050.0 10 | 100.0 | 397.441 | 2+ | |||
| 2534.3 3 | A | 3(+) | 643.0 4 705.4 4 860.8 5 2137.4 9 | 35.7 25 100 4 13.3 21 6.8 18 | (M1+E2) | 1890.92 1829.01 1673.67 397.441 | 5(+),3 4+ 4+ 2+ | |
| 2536.6 6 | A | 2,3(+),4 | 1294.4 5 | 100.0 | D+Q | 1242.21 | (3-) | |
| E(level) (keV) | XREF | Jπ(level) | T1/2(level) | E(γ) (keV) | I(γ) | M(γ) | Final Levels | |
| 2623.2 5 | A | 1683.1 7 | 100.0 | 938.65 | 4+ | |||
| 2636.74 21 | B | (9-) | 267.9? 642.4 | 100 | 2368.77 1994.34 | (8+) (7-) | ||
| 2642.41 21 | A | 4(+),(2+) | 751.7 3 813.2 4 950.9 3 968.8 5 1153.0 5 | 46 4 14.8 23 57 12 100 4 13 3 | (M1+E2) (E2,M1+E2) | 1890.92 1829.01 1691.53 1673.67 1489.0 | 5(+),3 4+ 3(+) 4+ 2(+) | |
| 2692.8 5 | A | 4(+),3 | 340.2 3 1754.7 9 | 100 16 88 16 | D+Q | 2352.6 938.65 | 2+ 4+ | |
| 2749.9 4 | A | 2+ | 597.2 4 2352.9 10 2749.9 12 | 100 17 9E1 3 24 6 | (M1+E2) | 2152.8 397.441 0.0 | 2+ 2+ 0+ | |
| 2802.5 9 | A | 1863.8 9 | 100.0 | 938.65 | 4+ | |||
| 2881.7 3 | A | 3,5(-) | 853.2 5 1062.9 6 1190.4 6 1357.8 5 1942.7 9 | 100 9 34 9 45 9 27 9 30 7 | (E2+M1) (E1+M2) | 2028.7 1819.0 1691.53 1523.67 938.65 | 1(+) 2+ 3(+) (5-) 4+ | |
| 2882.0 7 | A | 2+ | 1639.8 9 2881.9 12 | 100 15 41 8 | 1242.21 0.0 | (3-) 0+ | ||
| 2903.6 4 | A | (3-,4+,2) | 1212.0 8 1380.1 6 1661.4 7 1965.0 9 | <65.82 100 14 89 13 46 11 | 1691.53 1523.67 1242.21 938.65 | 3(+) (5-) (3-) 4+ | ||
| 2937.3? | A | 2540.0 11 ? | 100.0 | 397.441 | 2+ | |||
| 2998.7 3 | A | 2+ | 871.9 5 1006.2 5 1170.2 5 1307.4 6 1756.8 8 2998.9 15 ? | 100 19 31 10 91 19 37 10 69 17 41 10 | 2127.0 1991.55 1829.01 1691.53 1242.21 0.0 | 2+,3(+),4 3,5 4+ 3(+) (3-) 0+ | ||
| E(level) (keV) | XREF | Jπ(level) | T1/2(level) | E(γ) (keV) | I(γ) | M(γ) | Final Levels | |
| 3007.9 9 | A | 1(-),2+ | 1765.7 8 3007.4 15 ? | 100 16 32 8 | 1242.21 0.0 | (3-) 0+ | ||
| 3060.1 5 | A | 1(-) | 907.3 5 1818.0 9 2662.7 10 3060.0 15 | 30 5 20 4 100 5 6.3 15 | (E1+M2) | 2152.8 1242.21 397.441 0.0 | 2+ (3-) 2+ 0+ | |
| 3173.0 5 | A | 2,3 | 1308.4 6 1499.3 7 1930.9 8 | 68 14 100 15 30 10 | 1864.5 1673.67 1242.21 | 1 4+ (3-) | ||
| 3197.18 24 | A | 4(+),(3+) | 1044.5 5 1070.2 5 1084.3 6 1176.2 5 1505.7 7 1523.5 7 1673.7 6 1955.2 9 2258.7 9 | 5.4 22 28 3 22 4 14 4 11 3 100 5 40 4 27 4 18.7 22 | (E2) (M1+E2) D+Q | 2152.8 2127.0 2112.10 2021.1 1691.53 1673.67 1523.67 1242.21 938.65 | 2+ 2+,3(+),4 2+,(1+) 3(+) 3(+) 4+ (5-) (3-) 4+ | |
| 3209.3 6 | A | 1217.8 6 1966.8 9 | 100 22 93 19 | 1991.55 1242.21 | 3,5 (3-) | |||
| 3238.85 25 | A | 4(-),(2) | 357.3 4 833.6 4 1017.8 5 1247.4 6 1347.8 6 1715.6 8 1996.4 7 2300.0 10 | 9.7 24 31 3 9.3 20 13 4 53 4 31 4 100 5 11.7 24 | (E1+M2) D+Q D+Q | 2881.7 2405.2 2220.8 1991.55 1890.92 1523.67 1242.21 938.65 | 3,5(-) 3,2(+) 4(-) 3,5 5(+),3 (5-) (3-) 4+ | |
| 3263.0 5 | A | (2+,3,4+) | 857.8 5 2324.4 9 2865.2 12 | 13 12 55 9 100 9 | 2405.2 938.65 397.441 | 3,2(+) 4+ 2+ | ||
| E(level) (keV) | XREF | Jπ(level) | T1/2(level) | E(γ) (keV) | I(γ) | M(γ) | Final Levels | |
| 3278.6 6 | A | 1237.8 6 2036.5 9 2340.0 15 | 100 16 73 15 38 10 | 2040.7 1242.21 938.65 | 3(+) (3-) 4+ | |||
| 3293.5 6 | A | 1804.4 8 2051.4 10 2896.2 12 | 100 13 79 13 45 9 | 1489.0 1242.21 397.441 | 2(+) (3-) 2+ | |||
| 3335.74 23 | B | (11-) | 699.0 | 100 | 2636.74 | (9-) | ||
| 3371.9 6 ? | A | 621.8 5 2131.0 16 | 1.0E2 3 20 10 | 2749.9 1242.21 | 2+ (3-) | |||
| 3396.2 11 ? | A | 2154.0 10 | 100.0 | 1242.21 | (3-) | |||
| 3408.5 4 | A | 1367.6 5 1387.5 6 2166.5 9 | 68 15 100 15 53 11 | 2040.7 2021.1 1242.21 | 3(+) 3(+) (3-) | |||
| 3424.2? | A | 2182.1 9 ? 3027.4 15 ? | 46 16 100 20 | 1242.21 397.441 | (3-) 2+ | |||
| 3566.1 5 | A | 662.5 4 763.4 4 ? 2323.7 9 | 100 9 34 8 32 6 | 2903.6 2802.5 1242.21 | (3-,4+,2) (3-) | |||
| 3597.1 6 | A | 974.2 5 2353.6 10 | 100 17 40 9 | 2623.2 1242.21 | (3-) | |||
| 3614.2 20 | A | 2372.0 20 | 100.0 | 1242.21 | (3-) | |||
| 3628.9 7 | A | 1(-),2+ | 746.9 4 2386.8 20 3628.9 15 | 100 12 <32.05 15 4 | 2882.0 1242.21 0.0 | 2+ (3-) 0+ | ||
| 3635.0 6 | A | 1(-),2+ | 1010.8 5 2150.8 9 2390.3 20 3632.4 15 | 100 22 43 18 <54.35 22 7 | 2623.2 1489.0 1242.21 0.0 | 2(+) (3-) 0+ | ||
| 3790.1 5 | A | 1437.8 6 1450.2 6 2547.6 11 | 34 20 100 25 29 10 | 2352.6 2339.8 1242.21 | 2+ 2(+) (3-) | |||
| E(level) (keV) | XREF | Jπ(level) | T1/2(level) | E(γ) (keV) | I(γ) | M(γ) | Final Levels | |
| 3973.6 12 | A | 2731.4 12 | 100.0 | 1242.21 | (3-) | |||
E(level): From least squares fit to Eγ.
Jπ(level): Jπ=1,2+ for levels decaying directly to 0+ g.s. Low-spin J assignments are based upon γγ(θ) results of 1982Mi01. High-spin from fission experiments.
| E(level) (keV) | Jπ(level) | T1/2(level) | E(γ) | I(γ) | M(γ) | Final Levels | |
| Band 1 - Ground-state band. | |||||||
| 0.0 | 0+ | 284.91 d 5 % β- = 100 | |||||
| 397.441 9 | 2+ | 35.4 ps 20 | 397.440 9 | 100.0 | E2 | 0.0 | 0+ |
| 938.65 6 | 4+ | 541.20 6 | 100.0 | E2 | 397.441 | 2+ | |
| 1646.80 17 | (6+) | 708.6 | 100.0 | 938.65 | 4+ | ||
| 2368.77 19 | (8+) | 374.5 721.9 | 100 67 | 1994.34 1646.80 | (7-) (6+) | ||
| E(level) (keV) | Jπ(level) | T1/2(level) | E(γ) | I(γ) | M(γ) | Final Levels | |
| Band 2 - Octupole band. | |||||||
| 1242.21 15 | (3-) | ||||||
| 1523.67 10 | (5-) | 585.02 9 | 100.0 | D+Q | 938.65 | 4+ | |
| 1994.34 19 | (7-) | 347.6 471.1? | 100 | 1646.80 1523.67 | (6+) (5-) | ||
| 2636.74 21 | (9-) | 267.9? 642.4 | 100 | 2368.77 1994.34 | (8+) (7-) | ||
| 3335.74 23 | (11-) | 699.0 | 100 | 2636.74 | (9-) | ||
| E(level) (keV) | Jπ(level) | T1/2(level) | E(γ) (keV) | Multipolarity | Mixing Ratio | Conversion Coefficient | Additional Data |
| 397.441 | 2+ | 35.4 ps 20 | 397.440 9 | E2 | 0.0207 | B(E2)(W.u.)=38 4, α=0.0207, α(K)=0.0170 6, α(L)=0.00290 9, α(M)=0.00061 2, α(N+)=0.00016 1 | |
| 938.65 | 4+ | 541.20 6 | E2 | 0.0088 | α=0.0088, α(K)=0.00731 22, α(L)=0.00112 4 | ||
| 1242.21 | (3-) | 303.6 3 | (E1+M2) | +0.007 8 | 0.0121 | α=0.0121 1 | |
| (3-) | 844.8 4 | (E1+M2) | -0.126 5 | 0.0013 | α=0.0013 | ||
| 1489.0 | 2(+) | 1092.1 5 | (E2+M1) | +5 +12-3 | 0.0017 | α=0.0017 2 | |
| 1673.67 | 4+ | 431.4 3 | (E1+M2) | +0.03 6 | 0.0051 | α=0.0051 6 | |
| 4+ | 735.2 3 | (M1+E2) | +0.52 4 | 0.0057 | α=0.0057 1 | ||
| 4+ | 1276.3 5 | (E2) | 0.00123 | α=0.00123, α(K)=0.00105 4, α(L)=0.00014 | |||
| 1819.0 | 2+ | 1421.8 6 | E2+M1 | -3.5 +14-49 | 0.00102 | α=0.00102 4, α(K)=0.00087 4, α(L)=0.00011 | |
| 1829.01 | 4+ | 890.4 4 | (M1+E2) | +0.68 14 | 0.0035 | α=0.0035 2 | |
| 4+ | 1431.4 4 | (E2) | 0.00098 | α=0.00098, α(K)=0.00083 3, α(L)=0.00011 | |||
| 1864.5 | 1 | 1467.1 6 | D(+Q) | -0.4 4 | |||
| 2021.1 | 3(+) | 1082.7 6 | (E2+M1) | -6 4 | 0.0017 | α=0.0017 2 | |
| 3(+) | 1623.8 7 | (M1+E2) | 0.13 +24-19 | ||||
| 2028.7 | 1(+) | 1631.8 7 | (M1+E2) | +0.53 +14-11 | |||
| 2040.7 | 3(+) | 1102.1 5 | (M1+E2) | -0.63 +32-16 | 0.0021 | α=0.0021 2 | |
| 2220.8 | 4(-) | 978.5 5 | (M1+E2) | -0.32 9 | 0.0030 | α=0.0030 1 | |
| 2339.8 | 2(+) | 1942.2 9 | (M1+E2) | +0.07 17 | |||
| 2534.3 | 3(+) | 705.4 4 | (M1+E2) | -0.63 9 | 0.0061 | α=0.0061 2 | |
| 3060.1 | 1(-) | 2662.7 10 | (E1+M2) | -0.09 8 | |||
| 3197.18 | 4(+),(3+) | 1084.3 6 | (E2) | 0.00172 | α=0.00172, α(K)=0.00146 5, α(L)=0.00019 1 | ||
| 3238.85 | 4(-),(2) | 1347.8 6 | (E1+M2) | -0.09 22 | 0.00052 | α=0.00052 24, α(K)=0.00045 20 |
Additional Level Data and Comments:
| E(level) | Jπ(level) | T1/2(level) | Comments |
| 0.0 | 0+ | 284.91 d 5 % β- = 100 | E(level): Ground-state band. |
| 397.441 | 2+ | 35.4 ps 20 | E(level): Ground-state band. |
| 938.65 | 4+ | E(level): Ground-state band. | |
| 1242.21 | (3-) | E(level): Octupole band. | |
| 1523.67 | (5-) | E(level): Octupole band. | |
| 1646.80 | (6+) | E(level): Ground-state band. | |
| 1994.34 | (7-) | E(level): Octupole band. | |
| 2368.77 | (8+) | E(level): Ground-state band. | |
| 2636.74 | (9-) | E(level): Octupole band. | |
| 3335.74 | (11-) | E(level): Octupole band. |
Theory: 1992Bh04, 1992Eg01, 1992Na07, 1988So08
1999Is02: Measured difference in mean-square nuclear charge radius between 143Ce and 144Ce using collinear laser-ion-beam spectroscopy, δ<r2> =0.232 fm2 20
Q-value: Note: Current evaluation has used the following Q record 318.7 86896 59539 16 410 9 1995Au04