159GD 159EU B- DECAY 1969KE10 12NDS 201201
159GD H TYP=FUL$AUT=C. W. Reich$CIT=NDS 113, 157 (2012)$CUT=31-Dec-2010$
159GD D DATA SET UPDATED (MAY, 2009) BY CW REICH TO INCLUDE REVISED QP AND
159GD2D RI(17.1) VALUES, NEW CC VALUES, POINTING OUT A QUESTIONABLE LEVEL
159GD3D AND COMMENTS ABOUT SUBSEQUENT PROPOSED PLACEMENTS OF GAMMAS..
159GD c The decay scheme is that of 1969Ke10 and data are from 1969Ke10, unless
159GD2c otherwise noted. Other: 1961Ku10, 1964Iw01, 1965Iw01, 1965Mu16,
159GD3c 1966Da06, 1966Da19, 1974Da24.
159GD c The intensity of the |b{+-} feeding of the several levels below 60~keV
159GD2c is not known; therefore, the absolute |b{+-} feeding of the higher
159GD3c levels is not known. However, the intensities have been normalized for
159GD4c a particular assumption about this |b feeding.
159GD cB $1965Iw01 assume that the measured 2570-keV |b{+-} branch was to the
159GD2cB ground state. In contrast, 1969Ke10 assume this |b{+-} was to the
159GD3cB 67-keV level with no |b{+-} to the 0- and 50-keV levels.
159GD cB IB$Relative values deduced from |g intensity balances. Values given are
159GD2cB based on the assumption that there is no |b{+-} feeding of the levels
159GD3cB at 0 and 50~keV. The table gives the results from the decomposition of
159GD4cB the |b{+-} spectrum. From the density of the levels in {+159}Gd it is
159GD5cB clear that the reported components represent the decay to several
159GD6cB levels. Due to the various ambiguities, no uncertainties are given for
159GD7cB the I|b and the associated log {Ift} values.
159GD tB Results from analysis of measured |b{+-} spectrum:
159GD2tB From 1965Iw01:
159GD3tB E(|b{+-}) I(|b{+-}) Method
159GD3tB (keV) (%)
159GD4tB 1000 {I100} 10 {I3} BG-coincidence
159GD5tB 1500 {I50} 11 {I3} BG-coincidence
159GD6tB 1750 {I50} 11 {I3} BG-coincidence
159GD7tB 1900 {I50} 21 {I4} scintillation, F-K analysis
159GD8tB 2350 {I50} 21 {I4} scintillation, F-K analysis
159GD9tB 2570 {I50} 25 {I4} scintillation, F-K analysis
159GD0tB From 1961Ku10:
159GD0tB 2200 {I100} scintillation, F-K analysis
159GDAtB From 1966Da06:
159GDBtB 2400 {I+20-10} scintillation
159GD cG $2004Gr26, in (n{-th},|g), propose placements for some of the unplaced
159GD2cG |g's and propose alternate placements for some others. See their Table
159GD3cG 5 for these placements.
159GD cG E(V)$|g proposed by 2004Gr26 (their Table 5) in (n{-th},|g) to deexcite
159GD2cG a level at 1159.9~keV.
159GD cG M$From {+159}Gd Adopted |g radiations.
159GD cL E$From least-squares fit to |g energies.
159GD cL J$From {+159}Gd Adopted Levels.
159EU P 0.0 5/2+ 18.1 M 1 2515 7
159GD N 0.325 0.325 1.0 1.0
159GD cN NR$calculated to give 100% feeding of the ground state with no |b{+-}
159GD2cN feeding of the levels at 0 and 50~keV.
159GD PN 1
159GD G 102.5 2 2.0 2
159GD G 521.4 7 0.5 2
159GD G 575.5 4 0.8 1
159GD G 596.0 4 1.0 2
159GD G 915.7 6 0.5 1
159GD G 1038.2 7 0.6 1 V
159GD G 1109. 1 0.8 3 V
159GD G 1159.4 5 0.19 3 V
159GD G 1181.6 10 0.35 10
159GD G 1220.7 4 0.6 1
159GD G 1433.7 5 0.75 15
159GD L 0.0 3/2-
159GD L 50.64 8 5/2-
159GD G 50.7 4 [M1] 167 C
159GD cG E$from isomeric (26.2~ns) decay (1968Bo10)
159GD L 67.77 7 5/2+
159GD B 19 7.0
159GDS B EAV=962.5 32
159GD G 17.1 7.6 5 [E1] 6.57 S
159GDS G LC=5.15 8$MC=1.146 16$NC+=0.279 4
159GDS G NC=0.248 4$OC=0.0302 5$PC=0.000848 12
159GD cG RI$|g not observed; I|g deduced, relative to I|g(67.7), from data of
159GD2cG 67-keV isomer (1968Bo10).
159GD G 67.8 1 59 13 E1 0.824 C
159GDS G KC=0.683 10$LC=0.1103 17$MC=0.0239 4$NC+=0.00619 9
159GDS G NC=0.00538 8$OC=0.000770 12$PC=3.62E-5 6
159GD L 118.91 15 7/2+
159GD G 51 AP 11 C
159GD cG E$Existence of this |g and placement supported by possible |g|g
159GD2cG coincidences (1969Ke10). Also, 1965Iw01 observe a |g of 54 {I4} keV in
159GD3cG this decay.
159GD cG TI$Value to give intensity balance at this level with no |b{+-}
159GD2cG feeding.
159GD L 121.91 13 7/2-
159GD B 5 7.5
159GDS B EAV=938.2 32
159GD G 71.4 2 3.3 8 [M1,E2] 7.2 19
159GDS G KC=3.5 10$LC=2.8 22$MC=0.7 6$NC+=0.17 13
159GDS G NC=0.15 12$OC=0.020 15$PC=0.00023 11
159GD G 121.9 2 1.2 2 [E2] 1.228 19
159GDS G KC=0.674 10$LC=0.428 7$MC=0.1005 16$NC+=0.0255 4
159GDS G NC=0.0225 4$OC=0.00298 5$PC=3.45E-5 5
159GD L 146.38 8 5/2-
159GD B 37 6.6
159GDS B EAV=927.2 32
159GD G 78.6 1 28 5 [E1] 0.557 C
159GDS G KC=0.464 7$LC=0.0727 11$MC=0.01578 23$NC+=0.00409 6
159GDS G NC=0.00355 6$OC=0.000513 8$PC=2.51E-5 4
159GD G 95.7 1 21.5 25 [M1,E2] 2.6 4
159GDS G KC=1.6 4$LC=0.8 5$MC=0.18 12$NC+=0.05 3
159GDS G NC=0.04 3$OC=0.005 4$PC=0.00010 4
159GD G 146.4 1 10 [M1,E2] 0.663 21 C
159GDS G KC=0.49 9$LC=0.14 6$MC=0.031 14$NC+=0.008 4
159GDS G NC=0.007 3$OC=0.0010 4$PC=3.2E-5 11
159GD L 185.4 4 9/2+
159GD G 118. 2 C
159GD L 212.29 23 9/2-
159GD B 2.3 7.8
159GDS B EAV=897.7 32
159GD G 90.4 2 1.9 3 [M1,E2] 3.2 5
159GDS G KC=1.9 4$LC=1.0 7$MC=0.23 16$NC+=0.06 4
159GDS G NC=0.05 4$OC=0.007 5$PC=0.00012 5
159GD L 227.47 10 7/2-
159GD B 14 7.0
159GDS B EAV=890.9 32
159GD G 80.4 4 3.8 10 [M1,E2] 4.7 10 C
159GDS G KC=2.6 6$LC=1.7 12$MC=0.4 3$NC+=0.10 8
159GDS G NC=0.09 7$OC=0.012 8$PC=0.00017 7
159GD G 105.5 2 2.2 2 [M1,E2] 1.90 18
159GDS G KC=1.23 23$LC=0.5 3$MC=0.12 8$NC+=0.031 19
159GDS G NC=0.027 17$OC=0.0036 21$PC=8.E-5 3
159GD G 108.8 3 0.87 13 [E1] 0.233
159GDS G KC=0.196 3$LC=0.0292 5$MC=0.00632 11$NC+=0.00165 3
159GDS G NC=0.001431 23$OC=0.000210 4$PC=1.106E-5 18
159GD G 159.8 2 4.2 3 [E1] 0.0826 C
159GDS G KC=0.0698 10$LC=0.01004 15$MC=0.00217 4$NC+=0.000572 9
159GDS G NC=0.000494 8$OC=7.37E-5 11$PC=4.16E-6 6
159GD G 176.9 1 4.0 2 [M1,E2] 0.37 4 C
159GDS G KC=0.28 6$LC=0.068 19$MC=0.015 5$NC+=0.0040 12
159GDS G NC=0.0035 11$OC=0.00049 12$PC=1.9E-5 7
159GD G 227.5 3 5.0 15 [E2] 0.1451 C
159GDS G KC=0.1048 16$LC=0.0313 5$MC=0.00718 11$NC+=0.00185 3
159GDS G NC=0.001617 25$OC=0.000224 4$PC=6.19E-6 9
159GD L 602.12 17 (3/2+)
159GD B 1.3 7.7
159GDS B EAV=724.8 31
159GD G 551.3 3 1.2 1 C
159GD G 602.2 2 2.7 2
159GD L 710.18 13
159GD B 2.1 7.4
159GDS B EAV=677.4 31
159GD G 498.2 7 1.0 3
159GD G 588.6 3 1.2 2
159GD G 659.5 1 4.1 3 C
159GD L 732.57 10
159GD B 6.6 6.9
159GDS B EAV=667.7 31
159GD G 613.4 2 3.9 3 C
159GD G 664.9 1 9.4 5 C
159GD G 681.9 1 7.1 4 C
159GD G 733.1 4 0.75 15 ?
159GD L 744.37 11 3/2+
159GD B 3.3 7.2
159GDS B EAV=662.5 31
159GD G 676.6 1 5.8 3 C
159GD G 693.8 3 1.5 1 C
159GD G 744.3 2 2.8 2
159GD L 872.69 14 5/2-
159GD B 4.7 6.9 C
159GDS B EAV=606.8 31
159GD G 645.7 3 1.1 1 C
159GD G 726.5 3 2.0 2 C
159GD G 753.9 2 2.8 2 C
159GD G 804.7 2 7.9 5 C
159GD G 871.4 5 0.65 10
159GD L 948.49 22 7/2-
159GD B 1.4 7.3
159GDS B EAV=574.2 30
159GD G 720.4 5 0.5 1 C
159GD G 763.1 3 1.0 1
159GD G 829.7 3 1.7 2
159GD G 880.8 3 1.0 1 C
159GD L 1128.51 21
159GD B 1.1 7.2 C
159GDS B EAV=497.7 30
159GD G 1060.4 4 0.9 1
159GD G 1078.4 4 0.8 1 C
159GD G 1128.4 3 1.6 2
159GD L 1162.66 18 5/2,7/2
159GD B 2.5 6.8
159GDS B EAV=483.3 30
159GD G 936.1 5 0.9 2 C
159GD G 1015 1 1.5 5
159GD G 1043.7 4 1.6 2 C
159GD G 1094.8 2 3.7 3 C
159GD L 1351.8 3 (5/2+) ?
159GD cL E$In subsequent (n,|g) and single-nucleon transfer-reaction studies,
159GD2cL 2004Gr26 do not confirm the existence of this level, although they do
159GD3cL confirm the existence of all the other levels seen in this (|b-) study.
159GD4cL It is not included in the Adopted Levels.
159GD B 0.45 7.4
159GDS B EAV=404.8 29
159GD G 1301.5 3 1.0 1 ?
159GD G 1350.8 5 0.37 6 ?
159GD L 1519.80 17
159GD B 1.1 6.7 C
159GDS B EAV=336.9 28
159GD G 1451.6 5 0.6 1
159GD G 1468.6 4 0.9 1
159GD G 1520.0 2 2.0 2 C