76RB 76SR EC+B+ DECAY (7.89 S) 2004DE24 24NDS 202401
76RB H TYP=FUL$AUT=Balraj Singh, Jun Chen and Ameenah R. Farhan$
76RB2 H CIT=NDS 194, 3 (2024)$CUT=8-Jan-2024$
76RB DG CC$FROM BrIcc v2.3e (17-Jun-2020) 2008Ki07, "Frozen Orbitals" appr.
76RB DE EAV,LOGFT$FROM BetaShape v2.3.1 (Dec-2023) 2023MO21.
76RB c 2004De24: measured E|g, I|g, |g|g-coin, |b, |b|g-coin, delayed
76RB2c protons, half-life. Source of {+76}Sr produced as mass-separated beam
76RB3c using fragmentation reaction Nb(p,X),E=1 GeV at ISOLDE-CERN
76RB c 2004Na16, 2013Pe13 (also 2003Ma69,2004Na17,2005Ru07): measurement of
76RB2c total absorption gamma-ray spectrum, deduced B(GT) functions. The
76RB3c spectrometer was a NaI(Tl) detector system "Lucrecia".
76RB c 1993Ad12: measured E|g, I|g, |g|g-coin.
76RB c 1992Gr09: measured E|g, I|g.
76RB c Due to a large gap of about 3.3 MeV between the highest observed level
76RB2c at E=2881 keV and Q-value=6230 keV {I30} (2021Wa16), the decay scheme
76RB3c is considred incomplete
76RB cE $Intensity balance gives %|e+%|b{++}=-0.5 {I5} for 708 level,
76RB2cE -0.17 {I18} for 969 level, -0.11 {I14} for 1412 level
76RB cE TI$From |g+ce intensity balance at each level.
76RB cE TI,LOGFT$As pointed out by 2004Na16 the "pandemonium effect" may be
76RB2cE significant here in view of large gap of about 3.3 MeV between Q value
76RB3cE and the highest level reported here. Thus all the |e+|b{++} feedings
76RB4cE are considered as approximate
76RB cG $Following tentative |g rays with E|g(I|g) reported in 1993Ad12 are
76RB2cG omitted here since these are not confirmed in later work by 2004De24:
76RB3cG 159.8 {I4}(1.2 {I5}); 317.0 {I3}(1.3 {I4}); 665.7 {I4}(0.6 {I3});
76RB4cG 735.8 {I4}(1.1 {I4}). Also a tentative 1174|g with I|g=22 {I6} from
76RB5cG 1992Gr09 is omitted
76RB cG E$From 2004De24, unless otherwise stated. About
76RB2cG 18 |g rays were reported
76RB2cG by 1993Ad12, some with an uncertainty of 0.2 keV.
76RB cG E(X)$Weighted averages of values from 1993Ad12 and 2004De24
76RB cG RI,TI$From 2004De24. For |g energies above 400 keV, evaluators list
76RB2cG values as photon intensities since conversion coefficients are
76RB3cG negligible. 2004De24 also list branching ratios of I|g+ce values
76RB4cG obtained from corresponding relative transition intensities
76RB cG M$From the Adopted Gammas, unless otherwise stated. The assignments
76RB2cG in square brackets are assumed based on |DJ|p
76RB cL E$From a least squares fit to E|g data
76RB cL J$From Adopted Levels
76SR P 0.0 0+ 7.89 S 7 6230 30
76SR cP T$From {+76}Sr Adopted Levels
76SR cP QP$From 2021Wa16.
76RB N 0.493 AP 0.493 AP 1.0 1.0
76RB cN NR$From |SI(|g+ce to g.s.)=98.5 {I15}, assuming
76RB2cN %|e+%|b{++}<3.0 to g.s. from assumed log {Ift}>5.9 for the first
76RB3cN forbidden transition. 2004De24 quote nearly the same value of 0.495.
76RB4cN Due to incomplete decay scheme and unplaced |g transitions, the
76RB5cN normalization is considered as approximate
76RB cN BR$Measured %|ep=0.0034 {I8} (2004De24)
76RB PN 3
76RB G 494.0 5 5.8 11
76RB2 G %IG AP 2.9
76RB G 563.7 5 1.3 2
76RB2 G %IG AP 0.64
76RB G 1568.3 5 0.56 12
76RB2 G %IG AP 0.28
76RB G 2248.9 5 0.72 16
76RB2 G %IG AP 0.36
76RB G 2499.9 5 0.27 7
76RB2 G %IG AP 0.13
76RB G 2684.5 5 0.21 5
76RB2 G %IG AP 0.1
76RB G 2719.1 5 0.74 17
76RB2 G %IG AP 0.37
76RB G 2934.6 5 0.77 18
76RB2 G %IG AP 0.38
76RB L 0.0 1-
76RB E 3.0 LT 0.033 LT 5.9 GT 3 LT ?
76RBS E EAV=2400 14$CK=0.0096 10$CL=0.00116 12$CM+=2.54E-4 23
76RB cE TI$from assumed log {Ift}>5.9 for the first-forbidden transition
76RB L 101.35 13 2(-)
76RB E 6.8 LT 0.2 LT 7.3 GT 7 LT 1U?
76RBS E EAV=2348 14$CK=0.0221 23$CL=0.00269 28$CM+=5.9E-4 5
76RB cE TI$1 {I6}
76RB G 101.4 2 59 10(M1) 0.1393 21 67 11X
76RBS G K/T=0.1078 14$L/T=0.01220 18$M/T=0.002017 31
76RBS G N/T=0.0002276 34$O/T=9.64E-6 15
76RBS G KC=0.1228 18$LC=0.01390 21$MC=0.002298 35
76RBS G NC=0.000259 4$OC=1.098E-5 16
76RB2 G %IG AP 29
76RB cG M$intensity balance at 101 level gives |a<0.6 which implies
76RB2cG |d(E2/M1)<1. However, |g(|q) and intensity balance in in-beam |g-ray
76RB3cG studies are consistent with |DJ=1, dipole
76RB L 246.56 17 3(-)
76RB E 1.62 LT 0.08 LT 9.7 GT 1.7 LT ?
76RBS E EAV=2292 14$CK=0.043 4$CL=0.0052 5$CM+=0.00114 10
76RB cE TI$0.8 {I9}
76RB G 145.2 2 6.7 10(M1) 0.0526 8 7.1 11X
76RBS G K/T=0.0441 6$L/T=0.00494 7$M/T=0.000817 12
76RBS G N/T=9.23E-5 13$O/T=3.93E-6 6
76RBS G KC=0.0464 7$LC=0.00520 8$MC=0.000860 12
76RBS G NC=9.71E-5 14$OC=4.14E-6 6
76RB2 G %IG AP 3.3
76RB G 246.6 3 2.2 3 (E2) 0.0360 5 2.3 3 X
76RBS G K/T=0.0304 4$L/T=0.00367 5$M/T=0.000604 9
76RBS G N/T=6.61E-5 10$O/T=2.49E-6 4
76RBS G KC=0.0315 5$LC=0.00380 6$MC=0.000626 9
76RBS G NC=6.85E-5 10$OC=2.58E-6 4
76RB2 G %IG AP 1.1
76RB L 476.83 14 (1+)
76RB E 11.8 AP 0.2 AP 5.1 AP 12 AP
76RBS E EAV=2171 14$CK=0.0126 13$CL=0.00153 16$CM+=3.35E-4 30
76RB G 230.3 3 7.1 13[M2] 0.0841 12 7.7 14X
76RBS G K/T=0.0677 9$L/T=0.00831 12$M/T=0.001384 20
76RBS G N/T=0.0001552 23$O/T=6.41E-6 9
76RBS G KC=0.0734 11$LC=0.00901 13$MC=0.001501 22
76RBS G NC=0.0001683 25$OC=6.94E-6 10
76RB2 G %IG AP 3.5
76RB cG RI$4.7 {I12} in 1993Ad12 is in disagreement
76RB G 375.4 2 30 4 [E1] 2.17E-3 3 30 4 X
76RBS G K/T=0.001920 27$L/T=0.0002062 29$M/T=3.39E-5 5
76RBS G N/T=3.83E-6 5$O/T=1.633E-7 23
76RBS G KC=0.001924 27$LC=0.0002066 29$MC=3.40E-5 5
76RBS G NC=3.84E-6 5$OC=1.637E-7 23
76RB2 G %IG AP 15
76RB G 476.8 2 100 [E1] 1.18E-3 2 X
76RBS G KC=0.001044 15$LC=0.0001118 16$MC=1.841E-5 26
76RBS G NC=2.082E-6 29$OC=8.93E-8 13
76RB2 G %IG AP 49
76RB L 515.92 15 (1+)
76RB E 47.3 AP 0.7 AP 4.5 AP 48 AP
76RBS E EAV=2152 14$CK=0.0129 13$CL=0.00157 16$CM+=3.43E-4 31
76RB G 39.0 5 29 5 [M1] 2.11 9 91 17
76RBS G K/T=0.597 13$L/T=0.0687 32$M/T=0.0114 6
76RBS G N/T=0.00128 6$O/T=5.34E-5 26
76RBS G KC=1.86 8$LC=0.214 9$MC=0.0353 14
76RBS G NC=0.00397 16$OC=0.000166 7
76RB2 G %IG AP 14
76RB G 414.6 2 15.0 15 X
76RB2 G %IG AP 7.4
76RB G 515.8 5 6.8 8
76RB2 G %IG AP 3.4
76RB L 708.4 3
76RB G 192.4 5 2.7 5
76RB2 G %IG AP 1.3
76RB G 608.0 5 0.81 12
76RB2 G %IG AP 0.4
76RB G 707.8 5 1.9 4
76RB2 G %IG AP 0.94
76RB L 968.9 4
76RB G 453.0 5 2.35 23
76RB2 G %IG AP 1.2
76RB L 982.88 15 (1+)
76RB E 20 AP 0.4 AP 4.7 AP 20.4 AP
76RBS E EAV=1929 14$CK=0.0174 19$CL=0.00212 23$CM+=4.7E-4 4
76RB G 466.9 2 2.7 3 X
76RB2 G %IG AP 1.3
76RB G 506.1 5 11.7 14
76RB2 G %IG AP 5.8
76RB G 881.6 3 10.8 12 X
76RB2 G %IG AP 5.3
76RB G 982.9 2 21.5 25 X
76RB2 G %IG AP 11
76RB L 1289.1 4 (1+)
76RB E 4.2 AP 0.1 AP 5.2 AP 4.3 AP
76RBS E EAV=1783 14$CK=0.0216 23$CL=0.00263 28$CM+=5.7E-4 5
76RB G 580.8 5 6.5 8
76RB2 G %IG AP 3.2
76RB G 812.8 5 2.51 25
76RB2 G %IG AP 1.2
76RB G 1187.0 5 0.53 7
76RB2 G %IG AP 0.26
76RB L 1412.3 4
76RB G 935.9 5 1.76 20
76RB2 G %IG AP 0.87
76RB L 1533.0 6 (1+)
76RB E 2.2 AP 0.07 AP 5.3 AP 2.27 AP
76RBS E EAV=1667 14$CK=0.0260 28$CL=0.00316 34$CM+=6.9E-4 6
76RB G 550.1 5 4.6 5
76RB2 G %IG AP 2.3
76RB L 1640.1 4 (1+)
76RB E 0.77 AP 0.03 AP 5.7 AP 0.80 AP
76RBS E EAV=1617 14$CK=0.0283 31$CL=0.0034 4$CM+=7.6E-4 7
76RB G 657.3 5 0.67 11
76RB2 G %IG AP 0.33
76RB G 1124.0 5 0.95 11
76RB2 G %IG AP 0.47
76RB L 1948.1 4 (1+)
76RB E 0.86 AP 0.04 AP 5.5 AP 0.90 AP
76RBS E EAV=1471 14$CK=0.037 4$CL=0.0045 5$CM+=9.8E-4 9
76RB G 1432.1 5 1.19 14
76RB2 G %IG AP 0.59
76RB G 1471.3 5 0.64 8
76RB2 G %IG AP 0.32
76RB L 2061.8 4 (1+)
76RB E 1.83 AP 0.09 AP 5.1 AP 1.92 AP
76RBS E EAV=1418 14$CK=0.041 4$CL=0.0049 5$CM+=0.00108 10
76RB G 1546.0 5 2.7 3
76RB2 G %IG AP 1.3
76RB G 1584.9 5 1.19 12
76RB2 G %IG AP 0.59
76RB L 2090.7 4 (1+)
76RB E 0.84 AP 0.04 AP 5.4 AP 0.88 AP
76RBS E EAV=1404 14$CK=0.042 5$CL=0.0051 6$CM+=0.00111 11
76RB G 679.7 5 1.01 16
76RB2 G %IG AP 0.5
76RB G 1612.5 5 0.77 9
76RB2 G %IG AP 0.38
76RB L 2140.1 3 (1+)
76RB E 3.28 AP 0.17 AP 4.8 AP 3.45 AP
76RBS E EAV=1381 14$CK=0.044 5$CL=0.0053 6$CM+=0.00116 11
76RB G 726.8 5 0.98 15
76RB2 G %IG AP 0.48
76RB G 1171.2 5 2.69 26
76RB2 G %IG AP 1.3
76RB G 1624.4 5 2.32 22
76RB2 G %IG AP 1.1
76RB G 2039.0 5 0.66 8
76RB2 G %IG AP 0.33
76RB G 2140.5 5 0.34 5
76RB2 G %IG AP 0.17
76RB L 2172.7 3 (1+)
76RB E 0.91 AP 0.05 AP 5.3 AP 0.96 AP
76RBS E EAV=1365 14$CK=0.045 5$CL=0.0055 6$CM+=0.00119 11
76RB G 1657.0 5 0.56 7
76RB2 G %IG AP 0.28
76RB G 1695.7 5 0.97 10
76RB2 G %IG AP 0.48
76RB G 2172.5 5 0.41 6
76RB2 G %IG AP 0.2
76RB L 2281.9 6 (1+)
76RB E 1.20 AP 0.07 AP 5.2 AP 1.27 AP
76RBS E EAV=1314 14$CK=0.050 6$CL=0.0060 7$CM+=0.00133 13
76RB G 1805.0 5 2.57 25
76RB2 G %IG AP 1.3
76RB L 2881.8 6 (1+)
76RB E 0.32 AP 0.04 AP 5.3 AP 0.36 AP
76RBS E EAV=1035 14$CK=0.094 11$CL=0.0114 13$CM+=0.00251 25
76RB G 1592.7 5 0.73 7
76RB2 G %IG AP 0.36