ADOPTED LEVELS, GAMMAS for 238Pu
Authors: E. Browne, J. K. Tuli Citation: Nucl. Data Sheets 127, 191 (2015) Cutoff date: 1-Jun-2014
Q(β-)=-2258.3 keV 51 | S(n)= 6999.8 keV 13 | S(p)= 5997.5 keV 4 | Q(α)= 5593.20 keV 19 |
Reference: 2012WA38 |
References: | |||
A | 238Am ε decay | B | 238Np β- decay |
C | 242Cm α decay | D | Coulomb Excitation |
E | 239Pu(d,t) | F | 240Pu(p,t) |
G | 238U(α,4nγ) | H | 239Pu(207Pb,208PBG) |
I | 239Pu(117Sn,118SNG) |
E(level) (keV) | XREF | Jπ(level) | T1/2(level) | E(γ) (keV) | I(γ) | M(γ) | Final level | |
0.0 | ABCDEFGHI | 0+ | 87.7 y 1 % α = 100 % SF = 1.9E-7 1 | |||||
44.065 15 | ABCDEFGHI | 2+ | 175 ps 3 | 44.06 2 | 100 | E2 | 0.0 | 0+ |
145.936 21 | ABCDEFGH | 4+ | 101.88 3 | 100 | E2 | 44.065 | 2+ | |
303.36 6 | BC FGHI | 6+ | 157.42 5 | 100 | E2 | 145.936 | 4+ | |
512.55 15 | C GHI | 8+ | 209.20 14 | 100 | E2 | 303.36 | 6+ | |
605.18 3 | ABC | 1- | 561.17 5 605.18 5 | 100 73 2 | E1 E1 | 44.065 0.0 | 2+ 0+ | |
661.44 4 | ABCD | 3- | 515.53 7 617.41 5 | 55 1 100 | E1+M2 E1+M2 | 145.936 44.065 | 4+ 2+ | |
763.24 11 | BC | 5- | 459.80 20 617.36 | ≈3.4 100 | 303.36 145.936 | 6+ 4+ | ||
771.9 5 | GHI | 10+ | 259.4 5 | 100 | E2 | 512.55 | 8+ | |
911.6 8 | H | 7- | 608.7 5 ? | 100 | 303.36 | 6+ | ||
941.47 8 | ABC EF | 0+ | 336.38 15 897.33 10 941.5 2 | 2.8 16 100 7 | [E1] (E2) E0 | 605.18 44.065 0.0 | 1- 2+ 0+ | |
962.783 23 | ABC | 1- | 301.5 1 357.62 7 918.69 4 962.77 3 | 1.68 9 7.80 16 82.0 8 100.0 8 | E2 M1+E2 E1 E1 | 661.44 605.18 44.065 0.0 | 3- 1- 2+ 0+ | |
968.2 4 ? | B | (2-) | < 8.5 ns | 924? 968.9 4 ? | 100 12 6 | [E1] [M2] | 44.065 0.0 | 2+ 0+ |
983.09 7 | ABCDEF | 2+ | 0.55 ps +15-11 | 321.75 20 378.05 13 837.11 15 938.95 10 983.0 3 | 1.8 7 4.4 7 35 2 43 3 100 30 | [E1] [E1] [E2] E0+E2 [E2] | 661.44 605.18 145.936 44.065 0.0 | 3- 1- 4+ 2+ 0+ |
985.45 5 | AB | 2- | 323.98 9 380.29 13 941.38 5 | 2.8 1 2.2 2 100.0 10 | M1+E2 [M1] [E1+M2] | 661.44 605.18 44.065 | 3- 1- 2+ | |
1018.6 3 ? | C | 974.5 3 ? | | 44.065 | 2+ | |||
1028.537 16 | ABC F | 2+ | 882.63 3 984.45 2 1028.54 2 | 3.19 2 100 1 72.6 3 | E2 M1+E2 E2 | 145.936 44.065 0.0 | 4+ 2+ 0+ | |
1069.929 22 | B | 3+ | 923.98 2 1025.87 2 | 30.0 2 100 | M1+E2 M1+E2 | 145.936 44.065 | 4+ 2+ | |
1077.7 5 | GHI | 12+ | 305.9 5 | 100 | 771.9 | 10+ | ||
1082.55 6 | B | (4)- | 8.5 ns 5 | 114.4 4 319.29 11 421.14 11 936.61 6 | 1.51 27 2.3 3 6.0 2 100.0 14 | (E2) M1+E2 [M1] E1+M2 | 968.2 763.24 661.44 145.936 | (2-) 5- 3- 4+ |
1102.4 5 | H | 9- | 190.8 6 330.5 6 ? 589.9 5 | 60 19 35 11 100 24 | E1 | 911.6 771.9 512.55 | 7- 10+ 8+ | |
1125.75 17 | C | (4+) | 979.80 20 1081.7 3 | 100 19 7 | 145.936 44.065 | 4+ 2+ | ||
1134 4 | F | (0+) | ||||||
1174.4 4 | A | (2+) | 1130.2 5 1174.5 5 | 100 83 22 | 44.065 0.0 | 2+ 0+ | ||
1202.45 8 | B | (3)- | 119.9 1 132.49 11 174.0 2 | 100 4 2.4 2 22.0 5 | M1(+E2) [E1] [E1] | 1082.55 1069.929 1028.537 | (4)- 3+ 2+ | |
1228.65 18 | A C E | 0+ | 1184.55 21 1228.7 3 | 100 | E2 E0 | 44.065 0.0 | 2+ 0+ | |
1252 2 | F | |||||||
1264.20 15 | A C E | 2+ | 1118.25 21 1220.15 21 | 100 81 15 | [E2] E0+E2+M1 | 145.936 44.065 | 4+ 2+ | |
1310.3 3 ? | A | 1+,2+ | 1266.2 3 | 100 | M1 | 44.065 | 2+ | |
1340.4 6 | H | 11- | 238.0 6 262.6? 568.5 6 | 74 25 100 29 | E2 E1 | 1102.4 1077.7 771.9 | 9- 12+ 10+ | |
1426.4 6 | GHI | 14+ | 348.8 5 | 100 | 1077.7 | 12+ | ||
1426.61 24 | A | 0+ | 821.5 4 1426.6 3 | 100 | E1 E0 | 605.18 0.0 | 1- 0+ | |
1447.24 19 | A | 1- | 841.9 4 1403.2 3 1447.3 3 | 100 9 62 4 | E0 E1 E1 | 605.18 44.065 0.0 | 1- 2+ 0+ | |
1458.29 22 | A | 2+ | 1414.0 3 1458.5 3 | ≈23 100 | E0+E2+M1 | 44.065 0.0 | 2+ 0+ | |
1559.82 14 | A | 1- | 574.0 3 597.0 3 954.7 3 1515.9 3 1560.0 3 | 77 19 100 12 ≈58 79 10 65 10 | M1+E2 [M1+E2] [M1+E2] | 985.45 962.783 605.18 44.065 0.0 | 2- 1- 1- 2+ 0+ | |
1596.3 3 | A | (2+) | 633.0 5 ? 1450.4 5 ? 1552.2 3 1596.5 5 | ≈77 ≈77 100 16 ≈31 | 962.783 145.936 44.065 0.0 | 1- 4+ 2+ 0+ | ||
1621.29 12 | A | 1- | 658.4 2 679.5 4 1016.2 2 1577.3 3 1621.4 4 | 6.2 7 8.8 9 9.7 10 100 8 ≈0.6 | E0+E2+M1 E1 E0+E2+M1 E1 | 962.783 941.47 605.18 44.065 0.0 | 1- 0+ 1- 2+ 0+ | |
1621.8 6 | H | 13- | 281.5 6 544.1 6 | 100 39 73 33 | E1 | 1340.4 1077.7 | 11- 12+ | |
1636.40 13 | A | 1- | 653.3 5 673.4 2 1031.3 3 1592.5 3 1636.6 3 | ≈4.4 38 4 100 9 | E0 E0 E1 | 983.09 962.783 605.18 44.065 0.0 | 2+ 1- 1- 2+ 0+ | |
1651.2 4 | A | 1,2+ | 1607.0 4 1651.4 5 | 100 18 7 | 44.065 0.0 | 2+ 0+ | ||
1726.34 22 | A | 1,2+ | 1682.2 3 1726.4 3 | 100 59 9 | E1,E2 | 44.065 0.0 | 2+ 0+ | |
1783.5 3 | A | 1,2+ | 1739.4 4 1783.6 4 | 48 15 100 | 44.065 0.0 | 2+ 0+ | ||
1815.5 5 | GHI | 16+ | 389.0 5 | 100 | E2 | 1426.4 | 14+ | |
1898.42 22 | A | 2- | 935.2 3 ? 1237.0 3 1293.2 3 | ≈27 81 7 100 9 | M1 M1 | 962.783 661.44 605.18 | 1- 3- 1- | |
1944.6 4 | H | 15- | 323.1 5 518.3 5 | 100 44 57 29 | 1621.8 1426.4 | 13- 14+ | ||
2241.7 6 | GHI | 18+ | 426.2 5 | 100 | E2 | 1815.5 | 16+ | |
2308.2 5 | H | 17- | 363.5 5 492.8 5 | 100 48 46 46 | E2 | 1944.6 1815.5 | 15- 16+ | |
≈2400 | 0.6 ns 2 % SF ≤ 100 | |||||||
2702.3 8 | HI | 20+ | 460.6 5 | 100 | 2241.7 | 18+ | ||
2708.7 6 | H | 19- | 400.5 5 467.1 5 | 100 ≈38 | E2 | 2308.2 2241.7 | 17- 18+ | |
3143.8 8 | H | 21- | 435.1 5 441.6 5 ? | 100 49 38 20 | E2 | 2708.7 2702.3 | 19- 20+ | |
3195.4 8 | HI | 22+ | 493.10 17 | 100 | 2702.3 | 20+ | ||
≈3500 | (0+) | 6.0 ns 15 % SF ≤ 100 | ||||||
3610.6 10 | H | 23- | 415.7 5 ? 466.8 5 | 40 100 | 3195.4 3143.8 | 22+ 21- | ||
3717.1 10 | HI | 24+ | 521.7 5 | 100 | 3195.4 | 22+ | ||
4105.2 11 | H | 25- | 494.6 6 | 100 | E2 | 3610.6 | 23- | |
4263.7 11 | HI | 26+ | 546.6 5 | 100 | 3717.1 | 24+ | ||
4623.2 13 | H | 27- | 518.0 7 | 100 | 4105.2 | 25- | ||
4833.3 13 | H | 28+ | 569.6 6 | 100 | 4263.7 | 26+ | ||
5161.3 | H | (29-) | 538.5 7 ? | 100 | 4623.2 | 27- | ||
5426.5 9 ? | H | (30+) | 592.2 6 ? | 100 | 4833.3 | 28+ | ||
Jπ(level): From an energy fit to the g.s. band in addition to other arguments as given E(γ): From β- decay, α decay, and ε decay, except where from in-beam studies as noted I(γ): Branching ratios are from β- decay, α decay, and ε decay | ||||||||
Additional Gamma data:
E(level) (keV) | E(γ) (keV) | Multipolarity | Mixing Ratio | Additional Data |
44.065 | 44.06 2 | E2 | B(E2)(W.u.)=285 5, α=775, α(L)=566, α(M)=157 | |
145.936 | 101.88 3 | E2 | α=14.8, α(L)=10.7, α(M)=2.99, α(N+)=1.15 | |
303.36 | 157.42 5 | E2 | α=2.24, α(K)=0.197, α(L)=1.48, α(M)=0.412, α(N+)=0.157 | |
512.55 | 209.20 14 | E2 | α=0.73 | |
605.18 | 561.17 5 | E1 | α=0.0116, α(K)=0.0093, α(L)=0.00170 | |
605.18 5 | E1 | α=0.0101 | ||
661.44 | 515.53 7 | E1+M2 | 0.114 17 | α=0.023 3 |
617.41 5 | E1+M2 | 0.077 17 | α=0.0122 13 | |
941.47 | 897.33 10 | (E2) | α=0.0154 | |
962.783 | 301.5 1 | E2 | α=0.213, α(K)=0.0780, α(L)=0.098, α(M)=0.0269, α(N+)=0.0103 | |
357.62 7 | M1+E2 | 2.43 20 | α=0.224 15 | |
918.69 4 | E1 | α=0.00471 | ||
962.77 3 | E1 | α=0.00434, α(K)=0.00353, α(L)=612E-6 | ||
968.2 | 924 | [E1] | B(E1)(W.u.)>2.0E-8 | |
968.9 4 | [M2] | B(M1)(W.u.)>0.016, α=0.122 | ||
983.09 | 321.75 20 | [E1] | B(E1)(W.u.)=4.7E-5 24, α=0.036 | |
378.05 13 | [E1] | B(E1)(W.u.)=6.8E-5 22, α=0.0255 | ||
837.11 15 | [E2] | B(E2)(W.u.)=3.1 10, α=0.0176 | ||
938.95 10 | E0+E2 | α=4.4 4 | ||
983.0 3 | [E2] | B(E2)(W.u.)=3.9 12, α=0.0129 | ||
985.45 | 323.98 9 | M1+E2 | 2.8 8 | α=0.29 6 |
380.29 13 | [M1] | α=0.665 | ||
941.38 5 | [E1+M2] | -0.17 +1 -2 | α=0.0083 6 | |
1028.537 | 882.63 3 | E2 | α=0.0159, α(K)=0.0115, α(L)=0.00328 | |
984.45 2 | M1+E2 | +23 GT | α=0.00129 | |
1028.54 2 | E2 | α=0.0119, α(K)=0.0089, α(L)=0.00226 | ||
1069.929 | 923.98 2 | M1+E2 | +44 +72-8 | α=0.00145 |
1025.87 2 | M1+E2 | +31 GT | α=0.00119 | |
1082.55 | 114.4 4 | (E2) | B(E2)(W.u.)=0.46 6, α=8.67 | |
319.29 11 | M1+E2 | 1.0 5 | α=0.66 23 | |
421.14 11 | [M1] | α=0.29 | ||
936.61 6 | E1+M2 | -0.24 4 | B(E1)(W.u.)=2.01E-8 12, α=0.009 5 | |
1202.45 | 119.9 1 | M1(+E2) | 0.38 LT | α=3.81 21, α(L)=2.69, α(M)=0.657, α(N+)=0.246 |
132.49 11 | [E1] | α=0.271 | ||
174.0 2 | [E1] | α=0.143 | ||
1228.65 | 1184.55 21 | E2 | α=0.0091, α(K)=0.00695, α(L)=0.00163 | |
1264.20 | 1118.25 21 | [E2] | α=0.0102 | |
1220.15 21 | E0+E2+M1 | α=0.26 3 | ||
1310.3 | 1266.2 3 | M1 | α=0.0268, α(K)=0.0213, α(L)=0.00413 | |
1426.61 | 821.5 4 | E1 | α=0.00574, α(K)=0.00465, α(L)=818E-6 | |
1447.24 | 1403.2 3 | E1 | α=0.00229, α(K)=0.00187, α(L)=316E-6 | |
1447.3 3 | E1 | α=0.00217, α(K)=0.00177, α(L)=300E-6 | ||
1559.82 | 574.0 3 | M1+E2 | 3.2 5 | α=0.055 6 |
597.0 3 | [M1+E2] | α=0.12 8 | ||
954.7 3 | [M1+E2] | α=0.035 22 | ||
1621.29 | 658.4 2 | E0+E2+M1 | α=1.39 14 | |
679.5 4 | E1 | α=0.00809, α(K)=0.00654, α(L)=0.00117 | ||
1016.2 2 | E0+E2+M1 | α=0.66 7 | ||
1577.3 3 | E1 | α(K)=0.00154 | ||
1898.42 | 1237.0 3 | M1 | α=0.0285, α(K)=0.0227, α(L)=0.00440 | |
1293.2 3 | M1 | α=0.0254, α(K)=0.0202, α(L)=0.00391 |
Additional Level data and comments:
E(level) | Comments |
0.0 | T1/2(SF)=4.77×1010 y 14 (1972Ha11), 4.63×1010 y 12 (1975GaZX), 5.1×1010 y 6 (1961Dr04). E(level): Kπ=0+ GS band. T1/2(level): 86.41 y 30 specific activity 238Pu/242Cm (1957Ho71), 87.77 y 2 by calorimetry (1973JoYT), 86.98 y 39 by specific activity (1976Po08), 87.71 y 3 specific activity 238Pu/242Cm (1977Di04), 87.98 y 51 relative activity using T1/2(239Pu)=24110 y (1981Ag06). |
44.065 | E(level): Kπ=0+ GS band. Jπ(level): E2 to g.s. T1/2(level): weighted average of 177 ps 5 from aga9ta0 in 242Cm α decay, and 174 ps 3 from B(E2) in Coulomb excitation. |
145.936 | E(level): Kπ=0+ GS band. Jπ(level): E2 to 2+. Coul. ex. |
303.36 | E(level): Kπ=0+ GS band. |
512.55 | E(level): Kπ=0+ GS band. Jπ(level): E2 γ to 303 level. |
605.18 | E(level): Kπ=0- OCTUPOLE-VIBRATIONAL band. Jπ(level): E1 to g.s.. The intensity ratio for the transitions to 0+ and 2+ agree with theory for K=0, not with K=1. |
661.44 | B(E3)=0.71 12 E(level): Kπ=0- OCTUPOLE-VIBRATIONAL band. Jπ(level): E1+M2 γ’s to 2+ and 4+. |
763.24 | E(level): Kπ=0- OCTUPOLE-VIBRATIONAL band. Jπ(level): M1+E2 γ from (4)- determines π=-. γ’s to 4+ and 6+ then give J=5. Member of K=0 octupole band. |
771.9 | E(level): Kπ=0+ GS band. |
911.6 | E(level): Kπ=0- OCTUPOLE-VIBRATIONAL band. |
941.47 | E(level): Kπ=0+ BETA-VIBRATIONAL band. Jπ(level): E0 to g.s. |
962.783 | E(level): Kπ=1- ν 7/2(743)-NU 5/2(622) band. Jπ(level): E1 to g.s.. The configuration was proposed by 1972Ah04 on the basis of log ft ratios in ε decay and energy calculations of 1964So02. |
968.2 | Jπ(level): 114.4γ from (4)- is probably E2. γ to 2+. 1972Wi22 propose K=2, Jπ=2-. T1/2(level): from delayed ceγ coincidence. |
983.09 | E(level): Kπ=0+ BETA-VIBRATIONAL band. Jπ(level): E0+E2 to 2+. T1/2(level): from B(E2) in Coulomb excitation. |
985.45 | E(level): Kπ=1- ν 7/2(743)-NU 5/2(622) band. Jπ(level): M1 to 3-. log ft=7.5 (log f1ut=8.2) from 1+ rules out 3- and 4- M1. The log ft for the ε feeding rules out Jπ=3-,4-. |
1028.537 | E(level): Kπ=2+. From 239Pu(207Pb,208Pbγ). Jπ(level): E2 to g.s. |
1069.929 | E(level): Kπ=2+. From 239Pu(207Pb,208Pbγ). Jπ(level): M1+E2 γ’s to 2+ and 4+ log ft for the β- feeding, photon intensity ratios, and band parameter suggest K=2, Jπ=3+. |
1077.7 | E(level): Kπ=0+ GS band. From 239Pu(207Pb,208Pbγ). |
1082.55 | E(level): Kπ=4- ν 7/2(743)+NU 1/2(631) STATE. Jπ(level): E1+M2 to 4+. Configuration proposed by 1972Wi22. T1/2(level): from βγ(t) in 238Np decay (1970Be57). |
1102.4 | E(level): Kπ=0- OCTUPOLE-VIBRATIONAL band. From 239Pu(207Pb,208Pbγ). |
1125.75 | E(level): Kπ=2+. From 239Pu(207Pb,208Pbγ). Jπ(level): γ’s to 2+ and 4+. Possible member of K=2 band. |
1134 | Jπ(level): L(p,t)=(0). |
1174.4 | Jπ(level): from γ transitions to 0+, 2+ states Jπ=1|+,2+. Intensity ratio is not in good agreement with Alaga rule for J=1, but it agrees well for J=2. |
1202.45 | E(level): Kπ=3- ν 7/2(743)-NU 1/2(631) STATE. Jπ(level): M1(+E2) to (4)-. γ to 2+. |
1228.65 | E(level): Kπ=0+. Jπ(level): E0 to g.s. |
1264.20 | E(level): Kπ=0+. Jπ(level): E0+E2+M1 to 2+. |
1310.3 | Jπ(level): M1 to 2+. log ft=7.4 from 1+ rules out 3+. |
1340.4 | E(level): Kπ=0- OCTUPOLE-VIBRATIONAL band. From 239Pu(207Pb,208Pbγ). |
1426.4 | E(level): Kπ=0+ GS band. |
1426.61 | E(level): From 239Pu(207Pb,208Pbγ). Kπ=0+. Jπ(level): E0 to g.s. |
1447.24 | Jπ(level): E0 to 1- intensity ratio of gammas to g.s. band suggests K=0. |
1458.29 | E(level): Kπ=0+. Jπ(level): E0+E2+M1 to 2+ energy spacing of the 1426 and 1458 levels and the ratio of ft’s for the ε feedings to these levels suggest that they are members of a band. |
1559.82 | Jπ(level): M1+E2 to 2-. γ to g.s. gammas to 0+, 1-, 2+ levels. |
1596.3 | Jπ(level): gammas to 0+, 2+, and possibly 4+. J=1 is not ruled out if the placement of 1450γ to 4+ is not correct. |
1621.29 | Jπ(level): E1 to 0+ E0+M1+E2 transitions with about equal intensity to K,Jπ=0,1- and 1,1- states imply that the configuration of the 1621 state is probably a mixture of K=0 and K=1. |
1621.8 | E(level): Kπ=0- OCTUPOLE-VIBRATIONAL band. From 239Pu(207Pb,208Pbγ). |
1636.40 | Jπ(level): E1 to 0+ E0 transitions with about same intensity to K,Jπ=0,1- and 1,1- states imply that the configuration of the 1636.6 state is a mixture of K=0 and K=1. |
1651.2 | Jπ(level): γ’s to 0+ and 2+. |
1726.34 | Jπ(level): γ’s to 0+ and 2+. |
1783.5 | Jπ(level): γ’s to 0+ and 2+. |
1815.5 | E(level): Kπ=0+ GS band. From 239Pu(207Pb,208Pbγ). |
1898.42 | Jπ(level): M1 γ’s to 1- and 3-. |
1944.6 | E(level): Kπ=0- OCTUPOLE-VIBRATIONAL band. From 239Pu(207Pb,208Pbγ). |
2241.7 | E(level): Kπ=0+ GS band. From 239Pu(207Pb,208Pbγ). |
2308.2 | E(level): Kπ=0- OCTUPOLE-VIBRATIONAL band. From 239Pu(207Pb,208Pbγ). |
2400 | Assignment: 236U(α,2n) excit (1973Li01). E(level): T1/2(level): 0.5 ns 2 236U(α,2n) (1973Li01), 0.7 ns 2 238Pu(d,pn) (1974MeYP). |
2702.3 | E(level): Kπ=0+ GS band. From 239Pu(207Pb,208Pbγ). |
2708.7 | E(level): Kπ=0- OCTUPOLE-VIBRATIONAL band. From 239Pu(207Pb,208Pbγ). |
3143.8 | E(level): Kπ=0- OCTUPOLE-VIBRATIONAL band. From 239Pu(207Pb,208Pbγ). |
3195.4 | E(level): Kπ=0+ GS band. From 239Pu(207Pb,208Pbγ). |
3500 | Assignment: 236U(α,2n) excit (1971Br39,1973Li01). E(level): T1/2(level): 6.5 ns 15 236U(α,2n) (1970Bu02,1971Br39), 5.0 ns 20 236U(α,2n) (1973Li01). Other measurements: 1973Na35, 1969Me11. |
3610.6 | E(level): Kπ=0- OCTUPOLE-VIBRATIONAL band. From 239Pu(207Pb,208Pbγ). |
3717.1 | E(level): Kπ=0+ GS band. From 239Pu(207Pb,208Pbγ). |
4105.2 | E(level): Kπ=0- OCTUPOLE-VIBRATIONAL band. From 239Pu(207Pb,208Pbγ). |
4263.7 | E(level): Kπ=0+ GS band. From 239Pu(207Pb,208Pbγ). |
4623.2 | E(level): Kπ=0- OCTUPOLE-VIBRATIONAL band. From 239Pu(207Pb,208Pbγ). |
4833.3 | E(level): Kπ=0+ GS band. From 239Pu(207Pb,208Pbγ). |
5161.3 | E(level): Kπ=0- OCTUPOLE-VIBRATIONAL band. From 239Pu(207Pb,208Pbγ). |
5426.5 | E(level): Kπ=0+ GS band. From 239Pu(207Pb,208Pbγ). |
Additional Gamma comments:
E(level) | E(gamma) | Comments |
512.55 | 209.20 | E(γ): From 248Cm a decay M(γ): from ce(L2)/ce(L3) in (α,4nγ) |
661.44 | 515.53 | I(γ): from ε decay. Values of ≈0.64 from β- decay and 0.67 from α decay depend on splitting the intensity of the doubly placed 713γ on the basis of model-dependent arguments | 617.41 | E(γ): Multiply placed with intensity suitably divided I(γ): Multiply placed with intensity suitably divided |
763.24 | 459.80 | I(γ): from ε and α decay, see comment on 515γ from the 661 level | 617.36 | E(γ): Multiply placed with intensity suitably divided I(γ): Multiply placed with intensity suitably divided |
771.9 | 259.4 | E(γ): From 239Pu(207Pb,208Pbγ) |
941.47 | 336.38 | I(γ): from 242Cm α decay, if I(897.33γ)=100. |
985.45 | 380.29 | M(γ): From 1981Le15 |
1028.537 | 1028.54 | M(γ): from 1981Le15 |
1077.7 | 305.9 | E(γ): From 239Pu(207Pb,208Pbγ) |
1102.4 | 190.8 | E(γ): From 239Pu(207Pb,208Pbγ) | 330.5 | E(γ): From 239Pu(207Pb,208Pbγ) | 589.9 | E(γ): From 239Pu(207Pb,208Pbγ) |
1340.4 | 262.6 | E(γ): From authors’ figure, not in their table. |
1426.4 | 348.8 | E(γ): From 239Pu(207Pb,208Pbγ) |
1815.5 | 389.0 | E(γ): From 239Pu(207Pb,208Pbγ). From 239Pu(207Pb,208Pbγ) |
2241.7 | 426.2 | E(γ): From 239Pu(207Pb,208Pbγ) |
3195.4 | 493.10 | E(γ): From 239Pu(207Pb,208Pbγ) |
3717.1 | 521.7 | E(γ): From 239Pu(207Pb,208Pbγ) |
4263.7 | 546.6 | E(γ): From 239Pu(207Pb,208Pbγ) |
4623.2 | 518.0 | E(γ): From 239Pu(207Pb,208Pbγ) |
4833.3 | 569.6 | E(γ): From 239Pu(207Pb,208Pbγ) |
5161.3 | 538.5 | E(γ): From 239Pu(207Pb,208Pbγ) |
5426.5 | 592.2 | E(γ): From 239Pu(207Pb,208Pbγ) |
General Comments: