90SR 90RB B- DECAY (158 S) 1981TA05 20NDS 202005
90SR H TYP=FUL$AUT=S. K. Basu, E.A. MCCUTCHAN$CIT=NDS 165, 1 (2020)$
90SR2 H CUT=1-Mar-2020$
90SR c 1981Ta05: From {+235}U(n,F). Mass separation of {+90}Kr. NaI and
90SR2c Ge(Li). Measured E|g, I|g, |g|g coin, |g|g(|q). The 158-s and 258-s
90SR3c {+90}Rb activities were distinguished by varying collection and
90SR4c observation times.
90SR c 1977Hu03: From {+235}U(n,F). Mass separation. Measured T{-1/2}, E|g,
90SR2c I|g, |g|g coin, E|b.
90SR c 1997Gr09: from {+252}Cf. On-line mass separation and measurement of
90SR2c |g rays using a total absorption |g-ray spectrometer to determine
90SR3c |b{+-} distributions of decay intensities of fission products.
90SR4c Detector consisted of a large NaI scintillator with a deep axial well
90SR5c for the radioactive source and a Si(Li) detector to measure |b|g
90SR6c coincidences.
90SR c Others: 1964Jo02, 1967Zh01, 1972Eh02, 1973Si12, 1973Cl02, 1974Gr29,
90SR2c 1976Wo05, 1978St02, 1978Wu04, 1978Wo15, 1980De02
90SR cL J,T(X)$From the Adopted Levels
90SR c All data are from 1981Ta05, except as noted.
90SR cL $For results of |g|g correlations see {+90}Rb |b{+-} decay (258 s).
90SR cL T$From |b|g(t) (1991Ma05), except where noted.
90SR cG E,RI$From 1981Ta05, except where noted.
90SR cG M,MR$From the Adopted Gammas
90SR cB $|b{+-} branches are from I(|g+ce) imbalance at each level. Values
90SR2cB from 1997Gr09 (total absorption |g-ray spectrometer) for excited
90SR3cB levels are in reasonable agreement with those deduced from
90SR4cB transition- intensity balances. However, that from
90SR5cB transition-intensity balance to the 831-keV level is about a factor
90SR6cB of two (on a relative scale) larger than values obtain by 1997Gr09
90SR7cB for other excited levels. In addition, these authors found no |b{+-}
90SR8cB population to levels above 5300 keV. These results disagree with the
90SR9cB |g-rays measured by 1981Ta05 and placed on the decay scheme
90SRacB de-exciting levels up to 5623 keV. 1997Gr09 placed fictitious levels
90SRbcB at about 2700, 2800, 2900, 3000, 3100, 3200, 3650, 3850, and 4950 keV
90SRccB to interpret their data.
90SR cB E(A)$From 1977Hu03.
90SR D CC$FROM BrIcc v2.3b (16-Dec-2014) 2008Ki07, "Frozen Orbitals" appr.
90RB P 0 0- 158 S 5 6584 7
90SR N 0.0399 22 1.0 1.0
90SR cN NR$from |SI(|g+ce) (to g.s.)=67% {I3}, using a measured value of 33%
90SR2cN {I4} (1996Gr20) for the |b{+-} feeding to the g.s..
90SR PN 3
90SR G 1430.4 4 1.26 22
90SR G 2119.7 8 1.9 7
90SR G 3664.0 5 2.1 4
90SR G 4061.7 3 6.0 7
90SR G 4278.4 8 1.3 4
90SR G 4332.14 20 9.9 6
90SR G 4635.1 4 0.6 3
90SR G 4934.8 7 0.89 22
90SR G 5007.7 9 0.59 22
90SR G 5070.2 3 3.6 3
90SR G 5299.5 9 0.43 14
90SR L 0 0+ 28.81 Y 3 X
90SR B 33 4 7.35 6
90SRS B EAV=2990.8 34
90SR cB IB$measured with a total absorption |g-ray spectrometer system
90SR2cB operating in the 4 |p |g- |b coincidence mode (1996Gr20). Other
90SR3cB values: 37% {I5} (1976Wo05), and 53% {I5} (1981Ta05) may be more
90SR4cB inaccurate because of the difficulty for separating out the
90SR5cB contributions from the decay of {+90}Rb (158 s) and {+90}Rb (258 s).
90SR L 831.68 4 2+ 7 PS 2
90SR G 831.69 5 1000 37 E2 9.02E-4 C
90SRS G KC=0.000798 12$LC=8.77E-5 13$MC=1.471E-5 21$NC=1.84E-6 3$
90SRS G OC=1.178E-7 17
90SR B 26 2 7.19 4
90SRS B EAV=2589.4 34
90SR cB IB$13.12% (1997Gr09)
90SR L 1655.92 8 4+ 12 PS 2
90SR G 824.23 10 5.2 4 E2 9.22E-4 C
90SRS G KC=0.000816 12$LC=8.97E-5 13$MC=1.506E-5 21$NC=1.88E-6 3$
90SRS G OC=1.204E-7 17
90SR cG M$(824|g)(831|g)(|q): A{-2}=0.12 {I5}, A{-4}=0.04 {I6} (1981Ta05)
90SR L 1892.36 5 2+ 2 PS 1
90SR G 1060.70 4 239 8 M1+E2 +0.50 3 4.97E-4 C
90SRS G KC=0.000440 7$LC=4.75E-5 7$MC=7.97E-6 12$NC=1.002E-6 14$OC=6.59E-8 10
90SR cG M$D+Q from |g|g(|q). |D|p=no required by the level scheme.
90SR G 1892.28 8 14.4 6 [E2] 4.11E-4 C
90SRS G KC=0.0001370 20$LC=1.464E-5 21$MC=2.45E-6 4$NC=3.09E-7 5$OC=2.03E-8 3
90SR B 2.7 4 7.77 7
90SRS B EAV=2078.2 34
90SR cB IB$4.01% (1997Gr09)
90SR L 2207.04 5 (3-) 1 PS LE
90SR G 314.5 3 0.22 2 [E1] C
90SR G 551.20 25 0.23 3 [E1] C
90SR G 1375.36 3 4.5 7 (E1(+M2)) -0.02 6 2.98E-4 C
90SRS G KC=0.000124 3$LC=1.32E-5 4$MC=2.22E-6 6$NC=2.79E-7 7$OC=1.83E-8 5
90SR L 2497.31 7 (2+) 3 PS LE
90SR G 1665.61 7 5.40 22 C
90SR G 2497.27 15 0.85 9
90SR L 2570.62 9 10 PS 7
90SR G 1738.93 8 0.58 2 C
90SR L 2674.0 5 (0+) ?
90SR G 1842.3 5 0.6 4 ?
90SR B 0.05 LT 9.2 GT ?
90SRS B EAV=1702.6 34
90SR L 2927.71 9 4
90SR G 720.70 9 0.34 3 C
90SR G 1271.77 7 0.98 6 C
90SR B 0.01 LT 9.7 GT
90SRS B EAV=1581.1 34
90SR L 2971.14 12 0+
90SR G 2139.33 18 11.1 6 E2 4.99E-4 C
90SRS G KC=0.0001094 16$LC=1.167E-5 17$MC=1.96E-6 3$NC=2.46E-7 4$
90SRS G OC=1.625E-8 23
90SR cG M$(2139|g)(831|g)(|q): A{-2}=0.23 {I12}, A{-4}=1.28 {I14} (1981Ta05)
90SR L 3032.87 8 1 PS LE
90SR G 1140.50 6 1.63 10 C
90SR B 0.01 LT 9.7 GT
90SRS B EAV=1530.9 34
90SR L 3039.26 8 1
90SR G 1146.96 25 1.07 13 C
90SR G 2207.47 11 11.4 5 D C
90SR cG M$(2207|g)(831|g)(|q): A{-2}=-0.47 {I10}, A{-4}=-0.01 {I11} (1981Ta05)
90SR G 3039.17 12 18.7 7 C
90SR B 0.44 6 8.02 6
90SRS B EAV=1527.8 34
90SR cB IB$0.48% (1997Gr09)
90SR L 3144.9 4 (5-)
90SR G 1489.0 4 0.77 14 C
90SR L 3383.41 8
90SR G 886.3 3 1.6 3
90SR G 1176.9 9 1.0 4
90SR G 3383.24 12 168 5 C
90SR B 5.7 4 6.72 4
90SRS B EAV=1363.7 34
90SR cB IB$6.17% (1997Gr09)
90SR L 3555.84 15
90SR G 985.4 5 0.59 18
90SR G 2724.26 21 3.2 4 C
90SR L 3627.0 4
90SR G 3627.4 7 3.2 13
90SR L 3954.33 19
90SR G 1027.1 4 0.50 7
90SR G 1456.7 3 0.95 9
90SR G 1747.3 3 0.95 11
90SR G 2298.1 9 1.4 6
90SR L 4019.4 4
90SR G 1522.1 4 0.96 22
90SR G 4019.3 13 0.9 4
90SR B 0.074 19 8.20 12
90SRS B EAV=1062.9 33
90SR cB IB$0.08% (1997Gr09)
90SR L 4037.12 10
90SR G 892.5 7 0.7 3
90SR G 997.85 6 11.4 4 C
90SR B 0.42 4 7.43 5
90SRS B EAV=1054.5 33
90SR cB IB$0.45% (1997Gr09)
90SR L 4135.63 10 (1,2+)
90SR G 752.1 3 1.77 22
90SR G 3303.91 13 22.1 9 C
90SR G 4135.51 17 168 6
90SR B 7.7 5 6.09 4
90SRS B EAV=1008.3 33
90SR cB IB$10.84% (1997Gr09)
90SR L 4137.6 9
90SR G 2245.2 9 1.6 10 C
90SR B 0.1 LT 8.0 GT
90SRS B EAV=1007.4 33
90SR L 4148.86 8
90SR G 765.1 7 0.04 2
90SR G 1003.9 9 0.028 14
90SR cG RI$From branching relative to the 3317|g in 258-s |b{+-} decay.
90SR G 1941.81 17 0.31 3 C
90SR G 2256.55 17 0.32 2 C
90SR G 3317.00 12 7.12 22 C
90SR B 0.03 LT 8.5 GT
90SRS B EAV=1002.1 33
90SR L 4366.05 12
90SR G 739.2 4 1.26 22
90SR G 1326.46 21 3.3 4
90SR G 1438.3 8 0.8 3
90SR G 2473.94 20 15.4 15 C
90SR G 4365.90 18 200 7
90SR B 8.8 6 5.86 4
90SRS B EAV=900.8 33
90SR cB IB$11.20% (1997Gr09)
90SR L 4580.8 3
90SR G 543.6 10 1.6 7
90SR G 1547.8 5 1.6 4
90SR G 2688.9 5 3.1 6
90SR G 2924.3 7 1.8 6
90SR B 0.32 5 7.11 7
90SRS B EAV=801.4 33
90SR cB IB$0.36% (1997Gr09)
90SR L 4646.35 15
90SR G 3814.36 20 14.7 10 C
90SR G 4646.45 20 56.4 22
90SR B 2.84 18 6.11 4
90SRS B EAV=771.2 33
90SR cB IB$2.32% (1997Gr09)
90SR L 4790.3 5 ?
90SR G 3958.4 8 2.0 6 ?
90SR G 4790.2 7 1.6 4 ?
90SR B 0.14 3 7.28 10
90SRS B EAV=705.4 32
90SR L 4919.06 20 ?
90SR G 4087.26 23 6.4 4 ?
90SR G 4919.0 4 1.92 22 ?
90SR B 0.33 3 6.77 5
90SRS B EAV=646.9 32
90SR L 4973.99 18
90SR G 1590.3 3 3.5 4
90SR G 2476.7 11 2.7 17
90SR G 3081.3 4 3.9 7
90SR G 4974.14 25 5.2 4
90SR B 0.61 8 6.45 6
90SRS B EAV=622.2 32
90SR cB IB$0.86% (1997Gr09)
90SR L 5041.01 13
90SR G 1485.6 7 1.7 5
90SR G 3148.58 12 10.5 4 C
90SR B 0.49 4 6.47 4
90SRS B EAV=592.1 32
90SR cB IB$0.58% (1997Gr09)
90SR L 5187.52 7 (1-,2+)
90SR G 1038.63 7 7.8 3 C
90SR G 1631.78 20 2.1 4 C
90SR G 1804.10 7 15.2 5 C
90SR G 2148.2 3 5.5 7
90SR G 2216.29 14 12.5 7 C
90SR G 2980.7 6 2.4 5
90SR G 3295.09 14 21.6 10 C
90SR G 4355.78 22 11.1 6
90SR G 5187.44 23 29.2 12
90SR B 4.29 25 5.36 3
90SRS B EAV=526.9 31
90SR cB IB$5.56% (1997Gr09)
90SR L 5254.32 12
90SR G 1870.7 4 1.9 4
90SR G 3361.88 13 24.4 10 C
90SR G 5254.27 25 5.8 4
90SR B 1.28 8 5.80 4
90SRS B EAV=497.4 31
90SR cB IB$1.39% (1997Gr09)
90SR L 5333.15 24 ?
90SR G 4500.8 10 0.9 4 ?
90SR G 5333.01 24 10.8 5 ?
90SR B 0.47 4 6.13 4 ?
90SRS B EAV=463.0 31
90SR L 5426.66 14
90SR G 3534.24 13 101 3 C
90SR B 3.93 25 5.08 4
90SRS B EAV=422.5 31
90SR L 5600.3 5 ?
90SR G 1973.3 10 1.0 4 ?
90SR G 5600.1 5 0.83 14 ?
90SR B 0.073 17 6.54 11
90SRS B EAV=348.8 30
90SR L 5623.3 3
90SR G 196.8 4 2.4 4
90SR G 1668.9 6 3.8 13
90SR G 1996.0 10 1.0 4
90SR G 2239.7 8 4.1 22
90SR B 0.45 11 5.72 11
90SRS B EAV=339.2 30