249BK 249CM B- DECAY 2005AH03 24NDS 202403
249BK H TYP=FUL$AUT=C.D. Nesaraja$CIT=NDS 195, 718 (2024)$CUT=12-Oct-2023$
249BK c 2005Ah03: {+249}Cm isotope prepared by neutron capture reactions on
249BK2c {+248}Cm targets. The irradiations were performed at both the
249BK3c Livermore pool-type reactor and the General Electric test reactor in
249BK4c California. It was then followed by chemical separation to
249BK5c remove fission products. Measured E|g and I|g,
249BK6c with three Ge(Li) detectors, where only one was equipped with a NaI
249BK7c Compton-suppression shield and the E|b and I|b with a gas-flow
249BK3c proportional counter and the |b spectrum and conversion electrons
249BK4c with a cooled Si(Li) detector. Note: No conversion electron data
249BK5c are given in 2005Ah03.
249BK6c All |g rays assigned to {+249}Cm |b-decay
249BK7c exhibited decays consistent with the adopted T{-1/2} for the parent.
249BK c Others: 1975HoZA (unable to obtain this private communication),
249BK2c 1958Ea06
249BK cB IB$ Deduced by evaluator from intensity balance at each level in
249BK2cB {+249}Cm |b-decay scheme.
249BK cG E$From 2005Ah03, except as noted
249BK cG E(X)$From Adopted Gammas
249BK cG M,MR$From Adopted Gammas. Note that in the previous evaluation,
249BK2cG 2011Ab07 had provided multipolarities and mixing ratio
249BK3cG for E|g=368.76 keV, 621.9 keV, 634.3 keV and 652.8 keV from 1975HoZA.
249BK4cG These values are not given in the current evaluation as the evaluator
249BK5cG is unable to verify the information.
249BK cG RI$From 2005Ah03
249BK cL E$From least-squares fit to E|g data by the evaluator
249BK cL T$From Adopted Levels
249BK cL BAND(A)$ 3/2[521]
249BK cL BAND(C)$ 1/2[530]
249BK cL BAND(D)$ 1/2[521]
249BK cL SEQ(B)$ 1/2[400]
249BK DG CC$FROM BrIcc v2.3e (17-Jun-2020) 2008Ki07, "Frozen Orbitals" appr.
249CM P 0.0 1/2+ 64.15 M 3 904.4 26
249CM cP QP$From 2021Wa16
249BK N 1.0 1.0 1.0
249BK PN 3
249BK L 0.0 7/2+ 327.2 D 3
249BK L 8.71 19 3/2- 0.3 MS AM
249BK B 96.6 2 5.903 5
249BKS B EAV=280.17 93
249BK G 8.77 [M2] 3.07E6 499.9765 31 S
249BKS G MC=2.222E6 31
249BKS G NC=6.49E5 9$OC=1.653E5 23$PC=2.97E4 4$QC=1564 22
249BK cG E$Deduced by evaluator from level-energy difference.
249BK cG TI$Deduced by evaluator from intensity balance at g.s., with
249BK2cG I|b to g.s.=0; |SI|g(1+|a) to g.s.=100
249BK L 39.58 19 5/2- A
249BK G 30.85 1 M1+E2 0.114 +29-183.1E2 4 X S
249BKS G LC=231 29$MC=59 8
249BKS G NC=16.3 23$OC=4.1 6$PC=0.78 9$QC=0.0441 6
249BK L 82.65 27 7/2- B
249BK G 42.98 1 M1+E2 0.111 +25-16103 6 X S
249BKS G LC=77 5$MC=19.3 13
249BKS G NC=5.3 4$OC=1.37 9$PC=0.263 15$QC=0.01647 24
249BK G 73.82 1 E2 84.9 12 X S
249BKS G LC=61.2 9$MC=17.38 24
249BKS G NC=4.86 7$OC=1.191 17$PC=0.1964 28$QC=0.000663 9
249BK L 377.49 19 (1/2+)
249BK B 0.316 23 7.62 4
249BKS B EAV=154.01 86
249BK G 368.76 6 0.350 23
249BK2 G %IG=0.350 23
249BK L 389.12 17 (5/2+)
249BK G 389.0 2 0.0063 8 M1 0.764 11
249BKS G KC=0.599 8$LC=0.1234 17$MC=0.0302 4
249BKS G NC=0.00832 12$OC=0.002141 30$PC=0.000423 6$QC=2.95E-5 4
249BK2 G %IG=0.0063 8
249BK L 410.50 22 (3/2+) B ?
249BK B ?
249BK G 402.0 1 X S
249BK L 421.18 17 (5/2+) B
249BK G 43.7 [E2] 1070 0.036 AP S
249BK cG E$Placed in decay scheme by the evaluator
249BK2cG on the basis of intensity balance at 421.2-keV level.
249BK G 421.3 2 0.0092 10 [M1,E2] 0.35 26
249BKS G KC=0.26 22$LC=0.068 31$MC=0.017 7
249BKS G NC=0.0047 20$OC=0.0012 5$PC=2.3E-4 11$QC=1.3E-5 10
249BK2 G %IG=0.0092 10
249BK L 558.05 18 (3/2-) C
249BK B 0.217 17 7.19 4
249BKS B EAV=96.90 80
249BK G 136.9 1 0.039 3 [E1] 0.256 4
249BKS G KC=0.1918 27$LC=0.0483 7$MC=0.01194 17
249BKS G NC=0.00326 5$OC=0.000812 11$PC=0.0001447 20$QC=6.41E-6 9
249BK2 G %IG=0.039 3
249BK G 168.8 2 0.0022 2 [E1] 0.1599 23
249BKS G KC=0.1217 17$LC=0.0286 4$MC=0.00705 10
249BKS G NC=0.001929 28$OC=0.000482 7$PC=8.72E-5 12$QC=4.11E-6 6
249BK2 G %IG=0.0022 2
249BK G 180.5 1 0.0200 14[E1] 0.1373 19
249BKS G KC=0.1049 15$LC=0.02426 34$MC=0.00597 8
249BKS G NC=0.001634 23$OC=0.000409 6$PC=7.43E-5 10$QC=3.57E-6 5
249BK2 G %IG=0.0200 14
249BK G 475.4 2 0.0072 12[E2] 0.0705 10
249BKS G KC=0.0374 5$LC=0.02420 34$MC=0.00652 9
249BKS G NC=0.001815 26$OC=0.000453 6$PC=8.16E-5 11$QC=2.296E-6 32
249BK2 G %IG=0.0072 12
249BK G 518.5 1 0.088 6 [M1,E2] 0.20 15
249BKS G KC=0.15 12$LC=0.037 19$MC=0.009 4
249BKS G NC=0.0026 12$OC=6.6E-4 32$PC=1.3E-4 7$QC=8.E-6 6
249BK2 G %IG=0.088 6
249BK G 549.4 1 0.030 5 [M1,E2] 0.17 12
249BKS G KC=0.13 10$LC=0.032 16$MC=0.008 4
249BKS G NC=0.0022 11$OC=5.6E-4 27$PC=1.1E-4 6$QC=7.E-6 5
249BK2 G %IG=0.030 5
249BK L 569.10 20 (1/2-) C
249BK B 1.03 8 6.47 4
249BKS B EAV=93.53 80
249BK G 158.6 1 0.0029 4 [E1] 0.1842 26
249BKS G KC=0.1397 20$LC=0.0334 5$MC=0.00824 12
249BKS G NC=0.002253 32$OC=0.000563 8$PC=0.0001013 14$QC=4.69E-6 7
249BK2 G %IG=0.0029 4
249BK G 191.6 1 0.0100 9 [E1] 0.1199 17
249BKS G KC=0.0920 13$LC=0.02097 29$MC=0.00516 7
249BKS G NC=0.001411 20$OC=0.000354 5$PC=6.45E-5 9$QC=3.15E-6 4
249BK2 G %IG=0.0100 9
249BK G 529.5 2 0.0070 8 [E2] 0.0545 8
249BKS G KC=0.0312 4$LC=0.01709 24$MC=0.00457 6
249BKS G NC=0.001270 18$OC=0.000318 4$PC=5.77E-5 8$QC=1.825E-6 26
249BK2 G %IG=0.0070 8
249BK G 560.4 1 0.84 6 (M1+E2) 0.75 20 0.198 30
249BKS G KC=0.152 25$LC=0.034 4$MC=0.0085 9
249BKS G NC=0.00234 26$OC=0.00060 7$PC=0.000117 14$QC=7.5E-6 12
249BK2 G %IG=0.84 6
249BK L 643.05 20 (1/2-) D
249BK B 1.51 10 5.96 4
249BKS B EAV=71.37 79
249BK G 85.2 2 0.0054 5
249BK2 G %IG=0.0054 5
249BK G 603.4 2 0.0064 9 [E2] 0.0406 6
249BKS G KC=0.02499 35$LC=0.01145 16$MC=0.00303 4
249BKS G NC=0.000841 12$OC=0.0002111 30$PC=3.87E-5 5$QC=1.392E-6 20
249BK2 G %IG=0.0064 9
249BK G 634.3 1 1.5 1
249BK2 G %IG=1.5 1
249BK L 661.50 20 (3/2-) D
249BK B 0.320 17 6.53 3
249BKS B EAV=65.99 77
249BK G 621.9 1 0.180 13
249BK2 G %IG=0.180 13
249BK G 652.8 1 0.14 1
249BK2 G %IG=0.14 1