ADOPTED LEVELS, GAMMAS for 140Ba
Author: N. Nica | Citation: Nucl. Data Sheets 154, 1 (2018) | Cutoff date: 20-Nov-2018
Full ENSDF file | Adopted Levels (PDF version)
Q(β-)=1047 keV 8 | S(n)= 6427 keV 8 | S(p)= 9857 keV 9 | Q(α)= 735 keV 8 | ||
Reference: 2017WA10 |
References: | |||
A | 140Cs β- decay | B | 248Cm SF decay |
C | 252Cf SF decay | D | 138Ba(t,p) E=17 MeV |
E | 12C(136Xe,140BAG) | F | 138Ba(14C,12C) E=64 MeV |
G | 208Pb(18O,xγ) | H | 235U(n,Fγ) |
I | Coulomb Excitation |
E(level) (keV) | XREF | Jπ(level) | T1/2(level) | E(γ) (keV) | I(γ) | M(γ) | Final Levels | |
0.0 | ABCDEFGHI | 0+ | 12.751 d 4 % β- = 100 | |||||
602.37 3 | ABCDEFGHI | 2+ | 7.2 ps +15-6 | 602.25 5 | 100 | E2 | 0.0 | 0+ |
1130.60 6 | ABCDEFGH | 4+ | 528.25 5 | 100 | E2 | 602.37 | 2+ | |
1510.68 6 | A DEF | 2+ | 908.25 5 | 100 | E2+M1 | 602.37 | 2+ | |
1660.3 3 | BC E GH | 6+ | 529.7 3 | 100 | Q | 1130.60 | 4+ | |
1802.90 7 | ABCDEF | 3- | 672.1 4 1200.3 1 | 24.1 11 100.0 7 | (E1+M2) (E1) | 1130.60 602.37 | 4+ 2+ | |
1823.80 9 | A D | 0+ | 1221.4 1 | 100 5 | E2 | 602.37 | 2+ | |
1951.61 25 | A DE | 3+ | 820.9 4 | 100 | M1+E2 | 1130.60 | 4+ | |
1993.66 9 | A DE | 2+ | 1391.25 10 1993.5 3 | 100 2 28.2 11 | M1+E2 | 602.37 0.0 | 2+ 0+ | |
2061.2 | A | |||||||
2138.24 11 | A E | 3(+) | 627.5 3 1008.1 2 1536.15 20 | 18.6 19 100 3 77 3 | (M1+E2) D+Q | 1510.68 1130.60 602.37 | 2+ 4+ 2+ | |
2152.1 4 | BC G | (5-) | 491.9 5 1021.5 5 | 100 25 | 1660.3 1130.60 | 6+ 4+ | ||
2204.21 10 | A E | 2+,3 | 400.8 5 693.4 5 1072.9 10 1601.75 10 | 6.3 32 21 11 39 4 100 4 | 1802.90 1510.68 1130.60 602.37 | 3- 2+ 4+ 2+ | ||
2237.24 7 | A E | 2+ | 413.4 3 726.2 5 1634.9 1 2237.25 10 | 6.3 9 2.3 19 86 1 100 5 | M1+E2 | 1823.80 1510.68 602.37 0.0 | 0+ 2+ 2+ 0+ | |
2309.52 14 | A | 2+,1 | 798.9 8 1707.4 2 2309.3 6 | 9.1 12 100 2 20.3 42 | D+Q | 1510.68 602.37 0.0 | 2+ 2+ 0+ | |
2320.51 15 | A | (3-) | 809.8 10 1190.0 15 1718.05 20 | 19 9 76 4 100 7 | 1510.68 1130.60 602.37 | 2+ 4+ 2+ | ||
E(level) (keV) | XREF | Jπ(level) | T1/2(level) | E(γ) (keV) | I(γ) | M(γ) | Final Levels | |
2429.52 8 | A | 1,2+ | 918.3 2 1827.3 2 2429.6 1 | 36.1 9 32.2 18 100 2 | D+Q | 1510.68 602.37 0.0 | 2+ 2+ 0+ | |
2468.3 4 | BC E G | (8+) | 808.0 4 | 100 | Q | 1660.3 | 6+ | |
2521.81 10 | A | 1,2(+) | 1010.4 10 1918.7 5 2521.85 10 | 12.8 8 6.2 10 100 7 | 1510.68 602.37 0.0 | 2+ 2+ 0+ | ||
2620.3? | E | 960.0 | 100 | 1660.3 | 6+ | |||
2663.8 3 | A | 1154.2 15 2061.5 4 2663.7 10 | 29 8 100 17 21 13 | 1510.68 602.37 0.0 | 2+ 2+ 0+ | |||
2692.0 4 | A | 2 | 740.8 10 889.1 8 1181.4 8 2089.7 10 | 100 36 64 36 36 27 82 27 | 1951.61 1802.90 1510.68 602.37 | 3+ 3- 2+ 2+ | ||
2704.04 9 | A | 1- | 2101.7 1 2703.7 2 | 100 1 21.2 5 | E1+M2 | 602.37 0.0 | 2+ 0+ | |
2722.9 4 | BC G | (7-) | 254.5 5 570.9 4 1062.5 4 | 10 100 25 48 13 | 2468.3 2152.1 1660.3 | (8+) (5-) 6+ | ||
2782.08 21 | A | 2(+),3+ | 643.5 5 1270.9 4 1651.1 5 2180.3 8 | 25 11 86 11 100 18 32 19 | 2138.24 1510.68 1130.60 602.37 | 3(+) 2+ 4+ 2+ | ||
2787.55 17 | A | 1(-),2(+) | 984.5 9 1276.6 5 2185.2 2 2788.2 6 | 29 10 40 10 100 6 36.5 58 | 1802.90 1510.68 602.37 0.0 | 3- 2+ 2+ 0+ | ||
2800.3 10 | G | 1140.2 | 100 | 1660.3 | 6+ | |||
2870.80 19 | A | 2+ | 1068.0 10 2268.4 2 | 6.2 22 100 2 | M1+E2 | 1802.90 602.37 | 3- 2+ | |
E(level) (keV) | XREF | Jπ(level) | T1/2(level) | E(γ) (keV) | I(γ) | M(γ) | Final Levels | |
2873.84 17 | A | 1(+),2(+) | 881.1 5 1363.3 5 2873.6 2 | 13.6 37 60 4 100 4 | 1993.66 1510.68 0.0 | 2+ 2+ 0+ | ||
2932.63 7 | A | 2- | 411.7 8 695.5 5 728.9 6 794.6 6 939.0 5 1129.65 5 1422.0 5 2330.50 10 | 2.3 9 7.7 14 2.4 7 2.3 6 0.6 4 ≈33 19.7 14 100 1 | M1+E2 D+Q D+Q | 2521.81 2237.24 2204.21 2138.24 1993.66 1802.90 1510.68 602.37 | 1,2(+) 2+ 2+,3 3(+) 2+ 3- 2+ 2+ | |
2973.63 20 | A | 735.9 3 | 100 | 2237.24 | 2+ | |||
3098.47 14 | A | 1(+),2(+) | 862.3 14 893.4 5 1146.9 4 2496.6 2 3098.6 3 | 15 9 13 7 27.3 36 100 5 47.3 55 | 2237.24 2204.21 1951.61 602.37 0.0 | 2+ 2+,3 3+ 2+ 0+ | ||
3296.8 5 | BC G | (9-) | 573.9 4 828.6 4 | 51 15 100 25 | D | 2722.9 2468.3 | (7-) (8+) | |
3383.8 6 | BC G | (10+) | 87? 915.4 4 | 100 | 3296.8 2468.3 | (9-) (8+) | ||
3451.48 10 | A | 1(-),2(+) | 1627.2 10 1648.5 10 1940.2 8 3451.45 10 | 18 8 14.3 41 19.4 51 100 4 | 1823.80 1802.90 1510.68 0.0 | 0+ 3- 2+ 0+ | ||
3520.6 5 | A | 1(+),2 | 1381.8 9 1526.8 8 2009.9 3 | 7.5 21 8.2 27 100 4 | 2138.24 1993.66 1510.68 | 3(+) 2+ 2+ | ||
3526.6 4 | A | (1+,2+) | 862.3 14 1288.5 8 1323.4 7 1701.8 15 3526.6 5 | 32 20 88 24 52 12 100 40 64 12 | 2663.8 2237.24 2204.21 1823.80 0.0 | 2+ 2+,3 0+ 0+ | ||
E(level) (keV) | XREF | Jπ(level) | T1/2(level) | E(γ) (keV) | I(γ) | M(γ) | Final Levels | |
3601.7 5 | A | 1(-),2(+) | 1171.6 20 1281.1 10 1291.9 10 1396.4 15 1799.3 8 3601.8 9 | 9 8 23 9 53 11 23 15 53 19 100 11 | 2429.52 2320.51 2309.52 2204.21 1802.90 0.0 | 1,2+ (3-) 2+,1 2+,3 3- 0+ | ||
3656.08 10 | A | 2 | 873.2 6 1418.5 7 1517.0 5 1853.35 10 3053.3 2 | 2.0 8 10.7 15 5.8 6 100 5 32.6 8 | D+Q D+(Q) | 2782.08 2237.24 2138.24 1802.90 602.37 | 2(+),3+ 2+ 3(+) 3- 2+ | |
3769.5 6 | BC G | (11-) | 385.6 5 472.8 5 ? | 100 33 75 37 | 3383.8 3296.8 | (10+) (9-) | ||
3845.3 6 | A | 3845.2 6 | 100 | 0.0 | 0+ | |||
3851.05 9 | A | 1 | 980.7 10 1064.0 7 1146.9 4 1422.0 5 1613.9 1 1857.9 6 2048.1 3 2340.00 15 3248.5 10 3851.1 10 | 10.1 36 17.3 22 10.8 14 7.2 36 100 2 68 14 38.9 22 33.1 43 24 7 2.9 22 | D+Q | 2870.80 2787.55 2704.04 2429.52 2237.24 1993.66 1802.90 1510.68 602.37 0.0 | 2+ 1(-),2(+) 1- 1,2+ 2+ 2+ 3- 2+ 2+ 0+ | |
3943.79 6 | A | 1 | 969.4 7 1513.8 5 1949.9 7 2120.0 4 3341.2 5 3944.1 3 | 5.6 33 28.9 56 100 9 18.9 33 89 4 71 14 | D+Q | 2973.63 2429.52 1993.66 1823.80 602.37 0.0 | 1,2+ 2+ 0+ 2+ 0+ | |
E(level) (keV) | XREF | Jπ(level) | T1/2(level) | E(γ) (keV) | I(γ) | M(γ) | Final Levels | |
3973.20 10 | A | 2 | 1000.7 5 1040.50 15 1101.6 10 1663.85 20 1735.8 10 1835.0 4 2022.6 9 2170.0 2 2462.9 5 3371.00 25 | 14.8 39 35.2 23 11.7 39 27.3 23 80 16 27.3 23 16 6 100 3 55 8 75.8 31 | D+Q D+Q | 2973.63 2932.63 2870.80 2309.52 2237.24 2138.24 1951.61 1802.90 1510.68 602.37 | 2- 2+ 2+,1 2+ 3(+) 3+ 3- 2+ 2+ | |
4032.56 25 ? | A | 1,2 | 934.9 3 ? 1057.2 5 ? 1098.6 10 ? 1158.5 8 ? 1795.0 10 ? | 32 16 48 16 100 20 12 8 60 40 | 3098.47 2973.63 2932.63 2873.84 2237.24 | 1(+),2(+) 2- 1(+),2(+) 2+ | ||
4037.25 15 | A | 2 | 939.0 5 1064.0 7 1104.8 10 1164.4 20 1607.7 4 1799.3 8 1899.6 9 2236.0 15 3435.0 2 | 4.7 35 28.2 35 14 6 7 5 42 7 33 12 24.7 47 35 12 100 5 | 3098.47 2973.63 2932.63 2873.84 2429.52 2237.24 2138.24 1802.90 602.37 | 1(+),2(+) 2- 1(+),2(+) 1,2+ 2+ 3(+) 3- 2+ | ||
4079.96 13 | A | 1(-),2 | 980.7 10 1291.9 10 1375.9 4 1651.1 5 1770.2 6 2086.8 10 2277.00 15 3477.6 3 | 11.3 40 23 5 16.1 24 22.6 40 8.9 24 14.5 40 100 5 27.4 24 | 3098.47 2787.55 2704.04 2429.52 2309.52 1993.66 1802.90 602.37 | 1(+),2(+) 1(-),2(+) 1- 1,2+ 2+,1 2+ 3- 2+ | ||
E(level) (keV) | XREF | Jπ(level) | T1/2(level) | E(γ) (keV) | I(γ) | M(γ) | Final Levels | |
4102.8 8 | C | (12+) | 719.0 5 | 100 | 3383.8 | (10+) | ||
4275.13 24 | A | 1,2 | 1299.2 15 1339.2 15 1492.3 5 2038.5 5 2764.8 4 | 100 7 42 14 42 12 42 7 44 7 | 2973.63 2932.63 2782.08 2237.24 1510.68 | 2- 2(+),3+ 2+ 2+ | ||
4358.44 17 | A | 2 | 1928.2 7 2038.5 5 2848.2 2 | 15.4 26 15.4 26 100 4 | D+Q | 2429.52 2320.51 1510.68 | 1,2+ (3-) 2+ | |
4388.06 21 | A | 1(-),2 | 862.3 14 1454.7 4 2067.7 3 | 13 8 48 6 100 5 | 3526.6 2932.63 2320.51 | (1+,2+) 2- (3-) | ||
4395.7 4 | A | 3793.3 4 | 100 | 602.37 | 2+ | |||
4416.1 3 | A | 1,2(+) | 760.3 10 1319.7 20 1442.4 3 1542.3 6 4416.5 6 | 26 15 15 11 100 11 52 15 44 11 | 3656.08 3098.47 2973.63 2873.84 0.0 | 2 1(+),2(+) 1(+),2(+) 0+ | ||
4499.81 11 | A | 1(+),2(+) | 555.5 2 1795.0 10 1807.9 5 2362.00 15 2674.6 5 | 66.7 48 36 24 14 10 100 14 33.3 48 | 3943.79 2704.04 2692.0 2138.24 1823.80 | 1 1- 2 3(+) 0+ | ||
4531.2 8 | C G | (13-) | 761.7 5 | 100 | 3769.5 | (11-) | ||
4659.2 11 | G | (13-) | 889.2 | 100 | 3769.5 | (11-) | ||
4801.19 21 ? | A | 2 | 949.4 7 ? 2280.3 7 ? 2371.5 4 ? 2564.1 7 ? 2663.7 10 ? 2998.2 3 ? | 25 8 58 17 53 11 31 8 14 8 100 6 | 3851.05 2521.81 2429.52 2237.24 2138.24 1802.90 | 1 1,2(+) 1,2+ 2+ 3(+) 3- | ||
E(level) (keV) | XREF | Jπ(level) | T1/2(level) | E(γ) (keV) | I(γ) | M(γ) | Final Levels | |
4858.3 12 | G | (14-) | 328.4 | 100 | 4531.2 | (13-) | ||
4981.9 5 ? | A | 0(+),1,2(+) | 944.3 10 ? 949.4 7 ? 2459.5 10 ? 4982.4 8 ? | 35 15 45 15 100 50 35 15 | 4037.25 4032.56 2521.81 0.0 | 2 1,2 1,2(+) 0+ | ||
5076.5 13 | G | (15-) | 218.2 | 100 | 4858.3 | (14-) | ||
5109.98 18 ? | A | 1-,2- | 1137.5 4 ? 1454.7 4 ? 2236.0 15 ? 3115.9 2 ? | 42 5 70 9 70 23 100 9 | 3973.20 3656.08 2873.84 1993.66 | 2 2 1(+),2(+) 2+ | ||
5173.69 18 ? | A | 1-,2- | 758.5 10 ? 1137.5 4 ? 1517.0 5 ? 2387.1 10 ? 2969.2 2 ? 4572.1 10 ? | 9 5 22.0 24 46 5 10 5 100 4 5.0 24 | 4416.1 4037.25 3656.08 2787.55 2204.21 602.37 | 1,2(+) 2 2 1(-),2(+) 2+,3 2+ | ||
5183.14 15 ? | A | 2- | 794.6 6 ? 826.9 15 ? 1526.8 8 ? 2250.9 3 ? 2312.4 8 ? 2401.1 6 ? 2477.5 8 ? 2660.8 10 ? 3189.5 2 ? 3671.7 5 ? 4053.2 10 ? | 37 9 12 7 28 9 67 9 37 23 28 5 21 7 12 7 100 9 40 7 12 7 | 4388.06 4358.44 3656.08 2932.63 2870.80 2782.08 2704.04 2521.81 1993.66 1510.68 1130.60 | 1(-),2 2 2 2- 2+ 2(+),3+ 1- 1,2(+) 2+ 2+ 4+ | ||
5310.43 24 ? | A | 1-,2- | 1459.25 35 ? 1784.0 15 ? 2646.8 5 ? 3318.7 9 ? 3507.1 4 ? | 100 14 28 10 52 14 52 14 59 10 | 3851.05 3526.6 2663.8 1993.66 1802.90 | 1 (1+,2+) 2+ 3- | ||
E(level) (keV) | XREF | Jπ(level) | T1/2(level) | E(γ) (keV) | I(γ) | M(γ) | Final Levels | |
5388.89 12 ? | A | 1- | 889.1 8 ? 1000.7 5 ? 1031.5 3 ? 1113.6 10 ? 2456.4 10 ? 2513.3 15 ? 3067.8 3 ? 3394.4 4 ? 3565.00 25 ? 4786.3 10 ? | 18 10 48 13 63 8 15 10 38 25 100 50 73 8 55 8 73 8 10 5 | 4499.81 4388.06 4358.44 4275.13 2932.63 2873.84 2320.51 1993.66 1823.80 602.37 | 1(+),2(+) 1(-),2 2 1,2 2- 1(+),2(+) (3-) 2+ 0+ 2+ | ||
5426.5 13 | G | (16-) | 568.2 | 100 | 4858.3 | (14-) | ||
5588.30 23 ? | A | 2- | 1171.6 20 ? 1737.5 10 ? 2656.7 10 ? 3066.8 3 ? 3159.8 10 ? 3267.6 7 ? 3383.0 5 ? 3635.4 9 ? | 8 7 100 33 5 3 48 5 7 3 34 7 18 7 36 5 | 4416.1 3851.05 2932.63 2521.81 2429.52 2320.51 2204.21 1951.61 | 1,2(+) 1 2- 1,2(+) 1,2+ (3-) 2+,3 3+ | ||
5611.1 4 ? | A | 1-,2- | 2089.7 10 ? 2513.3 15 ? 2737.2 13 ? 3088.7 5 ? 3303.7 9 ? 3407.1 10 ? | 22.5 75 100 50 23 8 45 8 33 10 13 8 | 3520.6 3098.47 2873.84 2521.81 2309.52 2204.21 | 1(+),2 1(+),2(+) 1(+),2(+) 1,2(+) 2+,1 2+,3 | ||
5651.1 3 ? | A | 2- | 1262.9 6 ? 1375.9 4 ? 2553.6 6 ? 3341 5 ? 3412.8 10 ? 3657.7 10 ? 3698.9 7 ? | 18 5 25 4 10 5 100 5 6 4 5.0 25 9 4 | 4388.06 4275.13 3098.47 2309.52 2237.24 1993.66 1951.61 | 1(-),2 1,2 1(+),2(+) 2+,1 2+ 2+ 3+ | ||
E(level) (keV) | XREF | Jπ(level) | T1/2(level) | E(γ) (keV) | I(γ) | M(γ) | Final Levels | |
5765.3 4 ? | A | 2- | 2109.2 4 ? 2666.7 10 ? 3242.8 10 ? 3627.9 9 ? | 54 1 11 6 100 19 29 6 | 3656.08 3098.47 2521.81 2138.24 | 2 1(+),2(+) 1,2(+) 3(+) |
E(level): From a least-squares fit to Eγ data (normalized χ2=1.53> critical χ2=1.25)
Jπ(level): Spin assignments (tentative) based on decay modes and log ft values from 1986Ro16, except where noted
E(γ): From 140Cs β-. γ’s from band levels from 252Cf SF and 248Cm SF
I(γ): From 140Cs β-
M(γ): From 140Cs β- by γγ(θ) (1986Ro16). It was assumed that M2 cannot compete with E1; therefore, D+Q are M1+E2 and Q γ’s are E2
E(level) (keV) | Jπ(level) | T1/2(level) | E(γ) | I(γ) | M(γ) | Final Levels | |
Band 1 - GS band | |||||||
0.0 | 0+ | 12.751 d 4 % β- = 100 | |||||
602.37 3 | 2+ | 7.2 ps +15-6 | 602.25 5 | 100 | E2 | 0.0 | 0+ |
1130.60 6 | 4+ | 528.25 5 | 100 | E2 | 602.37 | 2+ | |
1660.3 3 | 6+ | 529.7 3 | 100 | Q | 1130.60 | 4+ | |
2468.3 4 | (8+) | 808.0 4 | 100 | Q | 1660.3 | 6+ | |
3383.8 6 | (10+) | 87? 915.4 4 | 100 | 3296.8 2468.3 | (9-) (8+) | ||
4102.8 8 | (12+) | 719.0 5 | 100 | 3383.8 | (10+) | ||
E(level) (keV) | Jπ(level) | T1/2(level) | E(γ) | I(γ) | M(γ) | Final Levels | |
Band 2 - octupole band | |||||||
1802.90 7 | 3- | ||||||
2152.1 4 | (5-) | 491.9 5 1021.5 5 | 100 25 | 1660.3 1130.60 | 6+ 4+ | ||
2722.9 4 | (7-) | 254.5 5 570.9 4 1062.5 4 | 10 100 25 48 13 | 2468.3 2152.1 1660.3 | (8+) (5-) 6+ | ||
3296.8 5 | (9-) | 573.9 4 828.6 4 | 51 15 100 25 | D | 2722.9 2468.3 | (7-) (8+) | |
3769.5 6 | (11-) | 385.6 5 472.8 5 ? | 100 33 75 37 | 3383.8 3296.8 | (10+) (9-) | ||
4659.2 11 | (13-) | 889.2 | 100 | 3769.5 | (11-) | ||
E(level) (keV) | Jπ(level) | T1/2(level) | E(γ) | I(γ) | M(γ) | Final Levels | |
Band 3 - ΔJ=1 band based on (13-). | |||||||
4531.2 8 | (13-) | ||||||
4858.3 12 | (14-) | 328.4 | 100 | 4531.2 | (13-) | ||
5076.5 13 | (15-) | 218.2 | 100 | 4858.3 | (14-) | ||
5426.5 13 | (16-) | 568.2 | 100 | 4858.3 | (14-) |
E(level) (keV) | Jπ(level) | T1/2(level) | E(γ) (keV) | Multipolarity | Mixing Ratio | Conversion Coefficient | Additional Data |
602.37 | 2+ | 7.2 ps +15-6 | 602.25 5 | E2 | 0.00600 | B(E2)(W.u.)=22.8 +21-40, α=0.00600, α(K)=0.00508 8, α(L)=0.000729 11, α(M)=0.0001513 22, α(N)=3.24E-5 5, α(O)=4.84E-6 7, α(P)=3.09E-7 5 | |
1130.60 | 4+ | 528.25 5 | E2 | 0.00848 | α=0.00848, α(K)=0.00715 10, α(L)=0.001060 15, α(M)=0.000220 3, α(N)=4.71×10-5 7, α(O)=7.00E-6 10, α(P)=4.32E-7 6 | ||
1510.68 | 2+ | 908.25 5 | E2+M1 | -0.60 +18-17 | 0.00289 | α=0.00289 11, α(K)=0.00249 10, α(L)=0.000317 11, α(M)=6.51×10-5 22, α(N)=1.41E-5 5, α(O)=2.16E-6 8, α(P)=1.59E-7 7 | |
1802.90 | 3- | 672.1 4 | (E1+M2) | +0.13 +7-6 | 0.0020 | α=0.0020 4, α(K)=0.0017 3, α(L)=0.00021 5, α(M)=4.4×10-5 9, α(N)=9.5E-6 20, α(O)=1.4E-6 3, α(P)=1.05E-7 22 | |
3- | 1200.3 1 | (E1) | 5.74×10-4 | α=5.74×10-4, α(K)=0.000472 7, α(L)=5.76E-5 8, α(M)=1.175E-5 17, α(N)=2.53E-6 4, α(O)=3.89E-7 6, α(P)=2.88E-8 4 | |||
1823.80 | 0+ | 1221.4 1 | E2 | 1.20×10-3 | α=1.20×10-3, α(K)=0.001024 15, α(L)=0.0001312 19, α(M)=2.69E-5 4, α(N)=5.80E-6 9, α(O)=8.86E-7 13, α(P)=6.37E-8 9 | ||
1951.61 | 3+ | 820.9 4 | M1+E2 | 0.0034 | α=0.0034 6, α(K)=0.0029 5, α(L)=0.00038 6, α(M)=7.8×10-5 11, α(N)=1.68E-5 24, α(O)=2.6E-6 4, α(P)=1.8E-7 4 | ||
1993.66 | 2+ | 1391.25 10 | M1+E2 | +0.18 +5-6 | 1.22×10-3 | α=1.22×10-3 2, α(K)=0.001014 15, α(L)=0.0001263 19, α(M)=2.59E-5 4, α(N)=5.59E-6 9, α(O)=8.60E-7 13, α(P)=6.46E-8 10 | |
2138.24 | 3(+) | 1008.1 2 | (M1+E2) | -4.5 +14-26 | 0.00181 | α=0.00181 4, α(K)=0.00156 4, α(L)=0.000203 5, α(M)=4.18×10-5 9, α(N)=8.99E-6 19, α(O)=1.37E-6 3, α(P)=9.67E-8 24 | |
2237.24 | 2+ | 1634.9 1 | M1+E2 | +1.00 2 | 8.79×10-4 | α=8.79×10-4, α(K)=0.000648 10, α(L)=8.06E-5 12, α(M)=1.651E-5 24, α(N)=3.56E-6 5, α(O)=5.48E-7 8, α(P)=4.08E-8 6 | |
2704.04 | 1- | 2101.7 1 | E1+M2 | -0.09 3 | 8.80×10-4 | α=8.80×10-4, α(K)=0.000191 5, α(L)=2.30E-5 7, α(M)=4.70E-6 13, α(N)=1.01E-6 3, α(O)=1.56E-7 5, α(P)=1.17E-8 4 | |
2870.80 | 2+ | 2268.4 2 | M1+E2 | -0.19 8 | 8.50×10-4 | α=8.50×10-4, α(K)=0.000356 6, α(L)=4.37E-5 7, α(M)=8.94E-6 13, α(N)=1.93E-6 3, α(O)=2.98E-7 5, α(P)=2.25E-8 4 | |
2932.63 | 2- | 1129.65 5 | M1+E2 | +1.7 2 | 0.00152 | α=0.00152 4, α(K)=0.00131 3, α(L)=0.000168 4, α(M)=3.45×10-5 7, α(N)=7.43E-6 16, α(O)=1.136E-6 24, α(P)=8.23E-8 19 | |
2- | 1422.0 5 | D+Q | +0.41 +53-29 | ||||
3656.08 | 2 | 1853.35 10 | D+Q | -0.24 11 | |||
2 | 3053.3 2 | D+(Q) | -0.04 11 | ||||
3851.05 | 1 | 2340.00 15 | D+Q | -0.67 32 | |||
3943.79 | 1 | 1949.9 7 | D+Q | -0.34 20 | |||
3973.20 | 2 | 2462.9 5 | D+Q | +0.31 +63-39 |
Additional Level Data and Comments:
E(level) | Jπ(level) | T1/2(level) | Comments |
0.0 | 0+ | 12.751 d 4 % β- = 100 | E(level): GS band. |
602.37 | 2+ | 7.2 ps +15-6 | Q=-0.52 34 (2012Ba40), B(E2)=0.484 +38-101 (2012Ba40) RMS charge radius <r2>1/2=4.8684 fm 59 (2013An02). E(level): GS band. |
1130.60 | 4+ | E(level): GS band. | |
1510.68 | 2+ | Jπ(level): From γγ(θ) for cascades with 2+ to 0+ E2 602γ. From 140Cs β- (1986Ro16). | |
1660.3 | 6+ | E(level): GS band. | |
1802.90 | 3- | E(level): octupole band. Jπ(level): From γγ(θ) for cascades with 2+ to 0+ E2 602γ. From 140Cs β- (1986Ro16). | |
1823.80 | 0+ | Jπ(level): From γγ(θ) for cascades with 2+ to 0+ E2 602γ. From 140Cs β- (1986Ro16). | |
1993.66 | 2+ | Jπ(level): From γγ(θ) for cascades with 2+ to 0+ E2 602γ. From 140Cs β- (1986Ro16). | |
2138.24 | 3(+) | Jπ(level): From γγ(θ) for cascades with 2+ to 0+ E2 602γ. From 140Cs β- (1986Ro16). | |
2152.1 | (5-) | E(level): octupole band. Jπ(level): Spin assignments (tentative) from 252Cf SF and 248Cm SF based on assignments of transitions to g.s. and octupole bands (syst). | |
2204.21 | 2+,3 | Jπ(level): From γγ(θ) for cascades with 2+ to 0+ E2 602γ. From 140Cs β- (1986Ro16). | |
2237.24 | 2+ | Jπ(level): From γγ(θ) for cascades with 2+ to 0+ E2 602γ. From 140Cs β- (1986Ro16). | |
2309.52 | 2+,1 | Jπ(level): From γγ(θ) for cascades with 2+ to 0+ E2 602γ. From 140Cs β- (1986Ro16). | |
2429.52 | 1,2+ | Jπ(level): From γγ(θ) for cascades with 2+ to 0+ E2 602γ. From 140Cs β- (1986Ro16). | |
2468.3 | (8+) | E(level): GS band. | |
2704.04 | 1- | Jπ(level): From γγ(θ) for cascades with 2+ to 0+ E2 602γ. From 140Cs β- (1986Ro16). | |
2722.9 | (7-) | E(level): octupole band. Jπ(level): Spin assignments (tentative) from 252Cf SF and 248Cm SF based on assignments of transitions to g.s. and octupole bands (syst). | |
2870.80 | 2+ | Jπ(level): From γγ(θ) for cascades with 2+ to 0+ E2 602γ. From 140Cs β- (1986Ro16). | |
2932.63 | 2- | Jπ(level): From γγ(θ) for cascades with 2+ to 0+ E2 602γ. From 140Cs β- (1986Ro16). | |
3296.8 | (9-) | E(level): octupole band. Jπ(level): Spin assignments (tentative) from 252Cf SF and 248Cm SF based on assignments of transitions to g.s. and octupole bands (syst). | |
3383.8 | (10+) | E(level): GS band. Jπ(level): Spin assignments (tentative) from 252Cf SF and 248Cm SF based on assignments of transitions to g.s. and octupole bands (syst). | |
3526.6 | (1+,2+) | Jπ(level): From γγ(θ) for cascades with 2+ to 0+ E2 602γ. From 140Cs β- (1986Ro16). | |
3769.5 | (11-) | E(level): octupole band. Jπ(level): Spin assignments (tentative) from 252Cf SF and 248Cm SF based on assignments of transitions to g.s. and octupole bands (syst). | |
3851.05 | 1 | Jπ(level): From γγ(θ) for cascades with 2+ to 0+ E2 602γ. From 140Cs β- (1986Ro16). | |
3943.79 | 1 | Jπ(level): From γγ(θ) for cascades with 2+ to 0+ E2 602γ. From 140Cs β- (1986Ro16). | |
E(level) | Jπ(level) | T1/2(level) | Comments |
4102.8 | (12+) | E(level): GS band. Jπ(level): Spin assignments (tentative) from 252Cf SF and 248Cm SF based on assignments of transitions to g.s. and octupole bands (syst). | |
4358.44 | 2 | Jπ(level): From γγ(θ) for cascades with 2+ to 0+ E2 602γ. From 140Cs β- (1986Ro16). | |
4531.2 | (13-) | Level placed in 252Cf SF decay dataset in the octupole band was replaced in 208Pb(18O,Xγ) dataset (2007Ve14) as the bandhead of the ΔJ=1 band based on (13-), which was adopted here. E(level): ΔJ=1 band based on (13-). Jπ(level): Based on band membership. | |
4659.2 | (13-) | E(level): octupole band. Jπ(level): Based on band membership. | |
4858.3 | (14-) | E(level): ΔJ=1 band based on (13-). Jπ(level): Based on band membership. | |
5076.5 | (15-) | E(level): ΔJ=1 band based on (13-). Jπ(level): Based on band membership. | |
5426.5 | (16-) | E(level): ΔJ=1 band based on (13-). Jπ(level): Based on band membership. |
E(level) | E(gamma) | Comments |
1660.3 | 529.7 | M(γ): from 248Cm SF by DCO |
2468.3 | 808.0 | M(γ): from 248Cm SF by DCO |
2620.3 | 960.0 | E(γ): measured by 2015St16 (12C(136Xe,140Baγ) dataset) |
2722.9 | 1062.5 | I(γ): from 248Cm SF decay |
3296.8 | 828.6 | M(γ): from 248Cm SF by DCO |
4032.56 | 1057.2 | E(γ): differs by 3σ from ΔElevels |
4499.81 | 2362.00 | E(γ): differs by 3σ from ΔElevels |
5183.14 | 4053.2 | M(γ): could be M2 from Jπ’s |
5388.89 | 1031.5 | E(γ): differs by 3σ from ΔElevels |
2002Xu06, 2002Tr09, 2002Ad12: measured production cross-sections
1999GaZX: measured charge radii