47CA 47K B- DECAY 2020SM02,1984AL18 25NDS 202507
47CA H TYP=FUL$AUT=S. Ota and E.A. McCutchan$CIT=NDS 203, 1 (2025)$
47CA2 H CUT=1-Apr-2025$
47CA c 1970Wa29: measured |g's and |g(t); Ge(Li), pneumatic shutter. Note
47CA2c that 1984Al18 give data from the study by 1970Wa29 which were not
47CA3c explicitly included in the paper.
47CA c 1984Al18: {+47}K from {+48}Ca(t,x) with E(t)=3.2 MeV. Measured E|g,
47CA2c I|g using Ge(Li) and rabbit system. New delayed |g's from {+48}Ca+t
47CA3c reactions assigned by comparison of spectra from enriched and natural
47CA4c CaCO{-3} targets and half-life considerations.
47CA c 2020Sm02: {+47}K ions were produced from bombardment of a
47CA2c multi-layered UC{-x} target by a 500 MeV proton beam from the TRIUMF
47CA3c Cyclotron and stopped in a Mylar tape. |g rays were detected with the
47CA4c GRIFFIN array of 15 HPGe clover detectors; |b particles were detected
47CA5c with the SCEPTAR array of plastic scintillator paddles; conversion
47CA6c electrons were detected with the PACES array of 5 lithium-drifted
47CA7c silicon crystals. Measured E|g, I|g, |g|g-coin, |g|g(|q), |g(t).
47CA8c Deduced levels, J, |p, parent T{-1/2}, |g-ray multipolarities, mixing
47CA9c ratios, |b{+-}-decay branching ratios, B(GT). Comparisons with
47CAac available data.
47CA cB IB$Deduced from |g intensity balance at each level, assuming that
47CA2cB |b{+-} feedings to g.s. and contributions from higher-lying states
47CA3cB via unobserved transitions are negligible. 2020Sm02 state that the
47CA4cB total unobserved relative |g intensities would be 0.175 assuming
47CA5cB I|g=0.001 (GRIFFIN sensitivity limit) for each unobserved transition,
47CA6cB which could certainly impact |b{+-} branching ratios for levels above
47CA7cB 2600 but within the uncertainties of those for 2578 and 2599 levels.
47CA cL E$From a least-squares fit to |g-ray energies (by evaluators)
47CA cL J,T$From the Adopted Levels
47CA cG M,MR$From the Adopted Gammas. Support which originates from this
47CA2cG dataset is included in the comments, generally from |g|g(|q) in
47CA3cG 2020Sm02, with magnetic or electric nature indicated from level
47CA4cG scheme.
47CA cG $Branching ratios given in comments were obtained by 2020Sm02 either
47CA2cG by gating on a transition feeding a level (when possible) or through
47CA3cG gates on transitions below the transition of interest.
47CA cG E,RI$From 2020Sm02, except where noted.
47CA cB $B(GT) from 2020Sm02
47CA DG CC$FROM BrIcc v2.3e (17-Jun-2020) 2008Ki07, "Frozen Orbitals" appr.
47CA DB EAV,LOGFT$FROM BetaShape v2.3.1 (Dec-2023) 2023MO21.
47K P 0.0 1/2+ 17.38 S 3 6633 3
47K cP QP$From 2021Wa16
47CA N 0.9399 18 1 1.0
47CA cN NR$From |S(|g to g.s.)=100
47CA PN 3
47CA L 0.0 7/2- 4.536 D 3
47CA L 2013.51 9 3/2- 4.23 PS 21
47CA G 2013.45 18 100 E2 3.42E-45
47CAS G KC=1.915E-5 27$LC=1.640E-6 23$MC=1.948E-7 27$NC=1.108E-8 16
47CA2 G %IG=93.99 18
47CA cG $Branching ratio=100
47CA cG MR$2020Sm02 deduced E2(+M3) with |d=0.0000 {I38} by assuming RUL of
47CA2cG B(M3)(W.u.)=10 (2020Sm02)
47CA cG E$from 1984Al18. Other: 2013.1 {I4} (2020Sm02)
47CA B 2.9 LT 6.5 GT
47CAS B EAV=2076.7 15
47CA L 2578.29 9 3/2+ 6.65 PS 97
47CA G 564.79 8 14.5 2 E1(+M2) -0.007 11 1.40E-42
47CAS G KC=0.0001279 18$LC=1.098E-5 15$MC=1.303E-6 18$NC=7.37E-8 10
47CA2 G %IG=13.63 19
47CA cG $Branching ratio=100
47CA cG $564.9|g-2013.1|g(|q): A{-2}=+0.059 {I2}
47CA cG RI$other: 14.22 {I26} (1984Al18)
47CA cG E$from 1984Al18. Other: 564.9 {I3} (2020Sm02)
47CA G 2578.26 12 5.8 2 [M2] 3.36E-45
47CAS G KC=1.807E-5 25$LC=1.548E-6 22$MC=1.840E-7 26$NC=1.048E-8 15
47CA2 G %IG=5.45 18
47CA cG $Branching ratio=39.9 {I7}
47CA cG RI$other: 6.00 {I10} (1984Al18)
47CA cG E$from 1984Al18. Other: 2578.1 {I3} (2020Sm02)
47CA B 18.4 3 5.465 7
47CAS B EAV=1802.7 15
47CA cB $B(GT)=0.02150 {I40}
47CA L 2599.51 10 1/2+ 4.71 PS 42
47CA G 586.01 8 86 2 (E1+M2) -0.013 9 1.28E-42
47CAS G KC=0.0001169 16$LC=1.004E-5 14$MC=1.192E-6 17$NC=6.74E-8 9
47CA2 G %IG=80.8 19
47CA cG $Branching ratio=100
47CA cG $586.1|g-2013.1|g(|q): A{-2}=-0.0683 {I9}
47CA cG RI$other: 85.4 {I15} (1984Al18)
47CA cG E$from 1984Al18. Other: 586.1 {I3} (2020Sm02)
47CA G 2599.40 20 0.381 8 [E3] 4.12E-46
47CAS G KC=1.817E-5 25$LC=1.557E-6 22$MC=1.850E-7 26$NC=1.053E-8 15
47CA2 G %IG=0.358 8
47CA cG $Branching ratio=0.441 {I7}
47CA cG RI$other: 1.12 {I8} (1984Al18)
47CA cG E$from 1984Al18. Other: 2598.5 {I4} (2020Sm02)
47CA B 80 2 4.816 11
47CAS B EAV=1792.5 15
47CA cB $B(GT)=0.0960 {I20}
47CA L 2850.50 17 (1/2-,3/2-)
47CA G 2850.6 3 0.0392 8
47CA2 G %IG=0.0369 8
47CA cG $Branching ratio=100
47CA B 0.013 1 8.480 33
47CAS B EAV=1671.1 14
47CA L 2874.91 17 (1/2-,3/2-)
47CA G 861.5 3 0.153 3 M1+E2
47CAS G KC=8.83E-5 28$LC=7.59E-6 24$MC=9.01E-7 28$NC=5.11E-8 16
47CA2 G %IG=0.1438 28
47CA cG $Branching ratio=100
47CA cG $861.5|g-2013.1|g(|q): A{-2}=-0.02 {I2}
47CA cG MR$0.4 {I1} or 10 {I+200-5}
47CA G 2874 1 0.0013 1
47CA2 G %IG=0.00122 10
47CA cG $Branching ratio=0.88 {I8}
47CA B 0.015 3 8.41 9
47CAS B EAV=1659.3 14
47CA L 3266.43 23 5/2-
47CA G 3266.1 3 0.0053 2
47CA2 G %IG=0.00498 19
47CA cG $Branching ratio=100
47CA B 0.0038 2 10.284 23 1U
47CAS B EAV=1484.2 14
47CA L 3889.19 21 (5/2-)
47CA G 1875.8 3 0.0030 3
47CA2 G %IG=0.00282 29
47CA cG $Branching ratio=39 {I3}
47CA G 3889 1 0.0076 4
47CA2 G %IG=0.0071 4
47CA cG $Branching ratio=100
47CA B 0.0017 LT 10.1 GT 1U
47CAS B EAV=1189.2 14
47CA L 3951.45 17 (3/2-,5/2-)
47CA G 1373.1 3 0.104 2 E1+M2 1.93E-43
47CAS G KC=2.11E-5 5$LC=1.81E-6 5$MC=2.15E-7 5$NC=1.219E-8 31
47CA2 G %IG=0.0978 19
47CA cG $Branching ratio=99 {I1}
47CA cG $1373.1|g-564.9|g(|q): A{-2}=-0.05 {I3}
47CA cG MR$0.36 {I+7-6} or 10 {I+17-4} for J=3/2, -0.03 {I7} or 5 {I+3-1} for
47CA2cG J=5/2
47CA G 1937.2 4 0.000599
47CA2 G %IG=5.6E-4 9
47CA cG $Branching ratio=0.56 {I8}
47CA G 3951 1 0.105 3
47CA2 G %IG=0.0987 28
47CA cG $Branching ratio=100
47CA B 0.010 5 7.94 22
47CAS B EAV=1142.9 14
47CA L 4452.28 23 (1/2-,3/2-)
47CA G 1602.0 3 0.0066 9
47CAL G FL=2850.50
47CA2 G %IG=0.0062 9
47CA cG $Branching ratio=35 {I2}
47CA G 1873.8 4 0.019 3
47CA2 G %IG=0.0179 29
47CA cG $Branching ratios=100
47CA G 2438.4 4 0.013 1
47CA2 G %IG=0.0122 10
47CA cG $Branching ratio=67 {I6}
47CA B 0.036 5 7.00 6
47CAS B EAV=906.3 14
47CA L 4528.56 17 3/2+
47CA G 577.3 3 0.050 3
47CA2 G %IG=0.0470 28
47CA cG $Branching ratio=28 {I1}
47CA cG $577.3|g-3951|g(|q): A{-2}=+0.01 {I5}, A{-4}=+0.12 {I8}
47CA G 1653.8 3 0.019 1
47CA2 G %IG=0.0179 10
47CA cG $Branching ratio=10.7 {I5}
47CA cG $1653.8|g-861.5|g(|q): A{-2}=+0.04 {I5}
47CA G 1928.8 3 0.179 4
47CA2 G %IG=0.168 4
47CA cG $Branching ratio=100
47CA G 2515.0 3 0.158 6 E1+M2 0.000957
47CAS G KC=8.7E-6 11$LC=7.5E-7 9$MC=8.9E-8 11$NC=5.0E-9 6
47CA2 G %IG=0.149 6
47CA cG $Branching ratio=89 {I2}
47CA cG $2515.0|g-2013.1|g(|q): A{-2}=+0.09 {I3}
47CA cG MR$or -2.3 {I+8-13}; solution less likely based on RUL
47CA cG RI$other: 1.3 {I2} (1984Al18). Placement of transition is uncertain
47CA2cG in 1984Al18
47CA G 4528 3 0.0002318
47CA2 G %IG=2.2E-4 17
47CA cG $Branching ratio=0.13 {I10}
47CA B 0.38 1 5.908 12
47CAS B EAV=870.6 14
47CA cB $B(GT)=0.0076 {I2}
47CA L 4606.40 19 (5/2+)
47CA G 653.2 4 0.0039 3
47CAL G FL=3951.45
47CA2 G %IG=0.00367 28
47CA cG $Branching ratio=34 {I2}
47CA cG E$poor fit in the level scheme.
47CA G 2028.0 4 0.0043 5
47CA2 G %IG=0.0040 5
47CA cG $Branching ratio=38 {I3}
47CA G 4606 3 0.0113 7
47CA2 G %IG=0.0106 7
47CA cG $Branching ratio=100
47CA B 0.0027 LT 9.1 GT
47CAS B EAV=855.2 14
47CA L 4989.76 16 3/2+
47CA G 383.4 6 0.0048 3
47CA2 G %IG=0.00451 28
47CA cG $Branching ratio=3.9 {I2}
47CA G 1038.4 4 0.123 3 [E1]
47CA2 G %IG=0.1156 28
47CA cG $Branching ratio=100
47CA cG $1038.4|g-1373.1|g(|q): A{-2}=+0.16 {I2}, A{-4}=-0.02 {I3}
47CA G 1723.3 6 0.000425
47CA2 G %IG=4.0E-4 5
47CA cG $Branching ratio=0.34 {I4}
47CA G 2114.6 4 0.0054 2
47CA2 G %IG=0.00508 19
47CA cG $Branching ratio=4.4 {I1}
47CA G 2139.1 4 0.0030 2
47CA2 G %IG=0.00282 19
47CA cG $Branching ratio=2.4 {I1}
47CA G 2390.2 3 0.024 1
47CA2 G %IG=0.0226 10
47CA cG $Branching ratio=20.0 {I4}
47CA G 2411.5 3 0.087 3 M1+E2
47CAS G KC=1.311E-5 18$LC=1.122E-6 16$MC=1.332E-7 19$NC=7.59E-9 11
47CA2 G %IG=0.0818 28
47CA cG $Branching ratio=71 {I1}
47CA cG $2411.5|g-564.9|g(|q): A{-2}=+0.26 {I2}
47CA cG MR$-0.17 {I4} or -2.2 {I+2-3}
47CA G 2976.2 4 0.0155 5 [E1]
47CA2 G %IG=0.0146 5
47CA cG $Branching ratio=12.7 {I2}
47CA cG $2976.2|g-2013.1|g(|q): A{-2}=-0.01 {I9}
47CA G 4987 3 0.0011 7
47CA2 G %IG=0.0010 7
47CA cG $Branching ratio=0.9 {I6}
47CA B 0.246 6 5.650 11
47CAS B EAV=657.1 14
47CA cB $B(GT)=0.01410 {I30}
47CA L 5306.23 15 3/2+
47CA G 699.5 3 0.0078 7
47CA2 G %IG=0.0073 7
47CA cG $Branching ratio=8.2 {I7}
47CA G 1416.9 3 0.0091 4
47CA2 G %IG=0.0086 4
47CA cG $Branching ratio=9.5 {I3}
47CA G 2039.4 4 0.000887
47CA2 G %IG=8.3E-4 7
47CA cG $Branching ratio=0.92 {I7}
47CA G 2431.2 3 0.081 2
47CA2 G %IG=0.0761 19
47CA cG $Branching ratio=85 {I1}
47CA cG $2431.2|g-861.5|g(|q): A{-2}=+0.04 {I3}
47CA G 2455.7 3 0.0118 4
47CA2 G %IG=0.0111 4
47CA cG $Branching ratio=12.3 {I3}
47CA G 2707.0 3 0.038 1
47CA2 G %IG=0.0357 10
47CA cG $Branching ratio=40.0 {I7}
47CA G 2728.2 3 0.095 2 M1+E2
47CAS G KC=1.077E-5 15$LC=9.21E-7 13$MC=1.095E-7 15$NC=6.24E-9 9
47CA2 G %IG=0.0893 19
47CA cG $Branching ratio=100
47CA cG $2728.2|g-564.9|g(|q): A{-2}=+0.21 {I7}
47CA cG MR$ -0.1 {I1} or -2.9 {I+8-15}
47CA G 3292 2 0.071 2 E1+M2 0.001368
47CAS G KC=6.1E-6 6$LC=5.2E-7 5$MC=6.2E-8 6$NC=3.51E-9 34
47CA2 G %IG=0.0667 19
47CA cG $Branching ratio=74 {I1}
47CA cG $3292|g-2013.1|g(|q): A{-2}=+0.09 {I3}
47CA cG MR$or -2.3 {I+8-14}; less likely solution based on RUL.
47CA G 5304 4 0.000537
47CA2 G %IG=5.0E-4 7
47CA cG $Branching ratio=0.55 {I7}
47CA B 0.291 7 5.201 11
47CAS B EAV=514.0 13
47CA cB $B(GT)=0.03890 {I90}
47CA L 5456.32 15 3/2+
47CA G 849.2 3 0.0081 8
47CA2 G %IG=0.0076 8
47CA cG $Branching ratio=4.7 {I5}
47CA G 928.1 4 0.0023 3
47CA2 G %IG=0.00216 29
47CA cG $Branching ratio=1.3 {I2}
47CA G 1505.1 3 0.023 1
47CA2 G %IG=0.0216 10
47CA cG $Branching ratio=13.2 {I7}
47CA G 1567.6 4 0.0009 1
47CA2 G %IG=8.5E-4 10
47CA cG $Branching ratio=0.54 {I7}
47CA G 2581.3 3 0.031 1
47CA2 G %IG=0.0291 10
47CA cG $Branching ratio=18.4 {I5}
47CA cG $2581.3|g-861.5|g(|q): A{-2}=+0.05 {I4}
47CA G 2605.7 3 0.0036 2
47CA2 G %IG=0.00338 19
47CA cG $Branching ratio=2.1 {I1}
47CA G 2856.8 3 0.163 4
47CA2 G %IG=0.153 4
47CA cG $Branching ratio=96 {I2}
47CA G 2878.1 3 0.171 6 M1+E2
47CAS G KC=9.92E-6 14$LC=8.48E-7 12$MC=1.007E-7 14$NC=5.74E-9 8
47CA2 G %IG=0.161 6
47CA cG $Branching ratio=100
47CA cG $2878.1|g-564.9|g(|q): A{-2}=+0.22 {I3}
47CA cG MR$-0.09 {I6} or -2.8 {I+4-6}
47CA G 3442.3 4 0.000248
47CA2 G %IG=2.3E-4 8
47CA cG $Branching ratio=0.14 {I5}
47CA G 5454 4 0.0009 1
47CA2 G %IG=8.5E-4 10
47CA cG $Branching ratio=0.54 {I6}
47CA B 0.38 1 4.878 12
47CAS B EAV=447.5 13
47CA cB $B(GT)=0.0830 {I20}
47CA L 6064.5 3 3/2+
47CA G 3189.5 3 0.0025 1
47CA2 G %IG=0.00235 10
47CA cG $Branching ratio=92 {I4}
47CA G 3464.7 4 0.0027 2
47CA2 G %IG=0.00254 19
47CA cG $Branching ratio=100
47CA B 0.0049 2 5.575 20
47CAS B EAV=192.1 12
47CA cB $B(GT)=0.01700 {I80}