160GD 160EU B- DECAY (42.6 S) 2020HA13,2018HA19 21NDS 202108
160GD H TYP=FUL$AUT=N. NICA$CIT=NDS 176, 1 (2021)$CUT=1-May-2021$
160GD c 2020Ha13 compiled for XUNDL by N. Nica (TAMU)
160GD c 2018Ha19 compiled for XUNDL by F.G. Kondev (ANL)
160GD c 2020Ha13: isotopically separated {+160}Eu nuclei from {+252}Cf
160GD4c spontaneous fission source at CARIBU facility (ANL) implanted
160GD4c in SATURN moving tape system surrounded by four Ge clover
160GD4c detectors and four plastic scintillators.
160GD4c Measured |g and |b singles, |b-gated |g time coin, |b-gated |g|g coin
160GD4c and proposed level schemes for the 42.6 s g.s. and 30.8 s isomer |b
160GD4c decays of {+160}Eu. Assigned high-spin K|p two-quasiparticle
160GD4c configurations to experimentally identified states.
160GD c 2018Ha19: {+160}Eu nuclide produced in spontaneous fission of ~1.7-Ci
160GD2c {+252}Cf source from the CAlifornium Rare Ion Breeder Upgrade
160GD3c (CARIBU) facility at Argonne National Laboratory. The fission fragments
160GD4c were thermalized in a He gas catcher, separated with an isobar
160GD5c separator and implanted on a moving tape system. Measured E|g, I|g,
160GD6c E|b, |g|g(t), |b|g(t), and |b|g|g(t) coincidences using the SATURN
160GD7c (Scintillator and Tape Using Radioactive Nuclei) system composed of
160GD8c four plastic scintillator paddles and the X-Array composed of
160GD9c four HPGe Clover detectors and one LEPS. A tape cycle of 180 s
160GDac growth and 180 s decay time was used in the data collection. The masses
160GDbc were determined from the measured cyclotron frequency ratios (relative
160GDcc to {+84}Kr{++}) using the Canadian Penning Trap spectrometer.
160GDdc Deformed shell model calculations using the Woods-Saxon mean-field
160GDec potential and Lipkin-Nogami treatment of pairing.
160GD c 2020Ha13 and 2018Ha19 are related (done by the same experimental setup
160GD2c and main authors' group). 2018Ha19 discovered two |b{+-} activities of
160GD2c {+160}Eu: T{-1/2}=42.6 {I5} s associated with the (5-) g.s. decay, and
160GD2c T{-1/2}=30.8 {I5} s associated with the (1-) 93-keV isomer decay.
160GD2c 2020Ha13 proposed extended level schemes for both |b{+-} decays
160GD c Level scheme is incomplete
160GD cG E$From 2020Ha13
160GD cG RI$Intensities relative to I{-173.3|g}=1000
160GD cG M,MR$From Adopted Gammas
160GD cG RI(a)$Due to contamination from population from (1-) isomer |b{+-}
160GD2cG decay 2020Ha13 adopted this I{-|g} value from intensity balance
160GD2cG assuming no |b feeding
160GD cG RI(b)$Possibly contaminated by intensity coming from the summing of
160GD2cG the strongest transitions observed in the data.
160GD cL E$From least-squares fit to E|g's
160GD cL J,T$From Adopted Levels
160GD cL J(F)$Possible two-state mixing in between |n{+2}(3/2[521],5/2[523])
160GD2cL and |p{+2}(5/2[413],5/2[532]) K|p=4+ configurations
160GD cL J(E)$Adopted by 2020Ha13 based on direct |b feeding from (5-) parent
160GD DG CC$FROM BrIcc v2.3b (16-Dec-2014) 2008Ki07, "Frozen Orbitals" appr.
160GD DG MR$IF NO VALUE GIVEN IT WAS ASSUMED MR=1.00 FOR E2/M1,
160GD2DG MR=1.00 FOR E3/M2 AND MR=0.10 FOR THE OTHER MULTIPOLARITIES
160EU P 0.0 (5-) 42.6 S 5 4448.6 14
160EU cP J,T$From 2018Ha19 (from summed |b-|g(t) spectra)
160EU cP QP$From 2021Wa16
160GD N 0.0523 28 1.0
160GD cN NR$Total I{-(|g+ce)} feeding to g.s. is 100%. Due to the incompletness
160GD2cN of the level scheme the %|I{-|g} values listed in comments are provided
160GD2cN for illustrative purposes
160GD cB IB,LOGFT$Due to the incompletness of the level scheme the values
160GD2cB listed in these columns are provided for illustrative purposes
160GD cL BAND(A)$K|p=0+ g.s. band
160GD cL BAND(L)$K|p=2+ |g-vibration band
160GD cL BAND(B)$First K|p=4+ band.
160GD2cL Hexadecapole-vibrational band. Dominant 2-qp
160GD2cL |n{+2}(3/2[521],5/2[523]) configuration (2018Ha19, 2020Ha13).
160GD cL BAND(C)$Second K|p=4+ band. Dominant 2-qp |p{+2}(3/2[411],5/2[413])
160GD2cL configuration (2018Ha19, 2020Ha13).
160GD L 0.0 0+ STABLE A
160GD L 75.40 10 2+ 2.72 NS 1 A
160GD G 75.4 1 231 12[E2] 7.28 a
160GD2 G %IG=12.1 6
160GDS G KC=2.25 4$LC=3.88 6$MC=0.917 14
160GDS G NC=0.204 4$OC=0.0265 4$PC=0.0001119 16
160GD L 248.72 13 4+ A
160GD G 173.3 1 1000 50 E2 0.360 a
160GD2 G %IG=52.3 28
160GDS G KC=0.239 4$LC=0.0941 14$MC=0.0218 3
160GDS G NC=0.00490 7$OC=0.000665 10$PC=1.325E-5 19
160GD L 515.10 16 6+ A
160GD G 266.4 2 173 9 E2 0.0873
160GD2 G %IG=9.0 5
160GDS G KC=0.0653 10$LC=0.01709 25$MC=0.00389 6
160GDS G NC=0.000879 13$OC=0.0001236 18$PC=3.99E-6 6
160GD L 1070.70 13 4+ B
160GD2 L FLAG=F
160GD cL J$adopted by 2020Ha13 based on M1 |g from 5+, 1173
160GD B 5 6.7
160GDS B EAV=1385.75 65
160GD G 555.6 4 9.7 23[E2] 0.01062
160GD2 G %IG=0.507 27
160GDS G KC=0.00871 13$LC=0.001494 22$MC=0.000330 5
160GDS G NC=7.53E-5 11$OC=1.122E-5 16$PC=5.89E-7 9
160GD G 822.0 1 661 33M1+E2 -0.71 3 0.0062911
160GD2 G %IG=34.6 18
160GDS G KC=0.00534 9$LC=0.000746 12$MC=0.000161 3
160GDS G NC=3.71E-5 6$OC=5.75E-6 10$PC=3.83E-7 7
160GD G 995.3 1 541 27 E2 0.00278
160GD2 G %IG=28.3 15
160GDS G KC=0.00235 4$LC=0.000340 5$MC=7.39E-5 11
160GDS G NC=1.694E-5 24$OC=2.59E-6 4$PC=1.625E-7 23
160GD L 1173.33 15 (5)+ B
160GD B 2.9 6.9
160GDS B EAV=1338.79 65
160GD G 102.7 2 62 4M1 1.87
160GD2 G %IG=3.24 17
160GDS G KC=1.575 24$LC=0.227 4$MC=0.0494 8
160GDS G NC=0.01137 18$OC=0.00176 3$PC=0.0001175 18
160GD cG M$from |a(exp)(102.7|g)=2.5 {I3} (deduced from intensity balance at
160GD2cG 1070 level from coincidence gate on |g populating 1173 level
160GD2cG (2020Ha13))
160GD G 658.2 3 27.8 19[M1] 0.01267
160GD2 G %IG=1.45 8
160GDS G KC=0.01078 16$LC=0.001483 21$MC=0.000321 5
160GDS G NC=7.38E-5 11$OC=1.150E-5 17$PC=7.85E-7 11
160GD G 924.6 1 207 11M1+E2 +40 +23-110.00325
160GD2 G %IG=10.8 6
160GDS G KC=0.00274 4$LC=0.000403 6$MC=8.77E-5 13
160GDS G NC=2.01E-5 3$OC=3.07E-6 5$PC=1.89E-7 3
160GD L 1261.35 18 5+ 243 FS +83-55 L
160GD B 0.9 7.4
160GDS B EAV=1298.57 65
160GD G 746.1 3 30.8 20M1+E2 +8 +13-4 0.0052820
160GD2 G %IG=1.61 9
160GDS G KC=0.00441 17$LC=0.000683 21$MC=0.000149 5
160GDS G NC=3.42E-5 10$OC=5.18E-6 16$PC=3.04E-7 13
160GD G 1012.6 2 135 7M1+E2 +15 +17-640.00269
160GD2 G %IG=7.1 4
160GDS G KC=0.00227 4$LC=0.000328 5$MC=7.12E-5 11
160GDS G NC=1.633E-5 24$OC=2.50E-6 4$PC=1.573E-7 23
160GD L 1295.75 17 (6+) B
160GD B 2.9 6.8
160GDS B EAV=1282.86 65
160GD G 123 4.4 LT[M1] 1.115 ?
160GD2 G %IG LT 0.230
160GDS G KC=0.942 14$LC=0.1357 19$MC=0.0295 5
160GDS G NC=0.00678 10$OC=0.001052 15$PC=7.02E-5 10
160GD G 225.1 3 40.7 24[E2] 0.1502
160GD2 G %IG=2.13 11
160GDS G KC=0.1082 16$LC=0.0326 5$MC=0.00749 12
160GDS G NC=0.00169 3$OC=0.000234 4$PC=6.38E-6 10
160GD G 780.7 3 19 4[M1] 0.00832
160GD2 G %IG=0.99 5
160GDS G KC=0.00709 10$LC=0.000969 14$MC=0.000209 3
160GDS G NC=4.82E-5 7$OC=7.51E-6 11$PC=5.14E-7 8
160GD G 1046.9 2 25 8[E2] 0.00250
160GD2 G %IG=1.31 7
160GDS G KC=0.00212 3$LC=0.000303 5$MC=6.59E-5 10
160GDS G NC=1.511E-5 22$OC=2.32E-6 4$PC=1.465E-7 21
160GD L 1393.38 22 6+ L
160GD B 0.2 7.9
160GDS B EAV=1238.33 65
160GD G 878.3 3 11 4M1+E2 +14 16 0.0036 6
160GD2 G %IG=0.575 31
160GDS G KC=0.0031 5$LC=0.00046 6$MC=9.9E-5 12
160GDS G NC=2.3E-5 3$OC=3.5E-6 5$PC=2.1E-7 4
160GD G 1144.7 3 15 9E2 0.00209
160GD2 G %IG=0.78 4
160GDS G KC=0.001767 25$LC=0.000250 4$MC=5.41E-5 8
160GDS G NC=1.241E-5 18$OC=1.91E-6 3$PC=1.225E-7 18$IPC=1.415E-6 24
160GD L 1437.70 23 (7+) B
160GD B 0.38 7.6
160GDS B EAV=1218.14 65
160GD G 264.5 3 21 3[E2] 0.0893
160GD2 G %IG=1.10 6
160GDS G KC=0.0667 10$LC=0.0176 3$MC=0.00400 6
160GDS G NC=0.000903 14$OC=0.0001269 19$PC=4.07E-6 6
160GD L 1483.36 14(4+) C
160GD2 L FLAG=F
160GD B 4 6.6
160GDS B EAV=1197.35 64
160GD G 187.5 3 17 6[E2] 0.276
160GD2 G %IG=0.89 5
160GDS G KC=0.188 3$LC=0.0680 11$MC=0.01570 25
160GDS G NC=0.00353 6$OC=0.000482 8$PC=1.064E-5 16
160GD G 310.0 2 64 4[E2] 0.0545
160GD2 G %IG=3.35 18
160GDS G KC=0.0419 6$LC=0.00981 14$MC=0.00222 4
160GDS G NC=0.000502 8$OC=7.15E-5 11$PC=2.63E-6 4
160GD G 412.7 1 845 43[M1] 0.0414
160GD2 G %IG=44.2 24
160GDS G KC=0.0351 5$LC=0.00491 7$MC=0.001063 15
160GDS G NC=0.000245 4$OC=3.81E-5 6$PC=2.58E-6 4
160GD G 968.4 3 39 5[E2] 0.00294 b
160GD2 G %IG=2.04 11
160GDS G KC=0.00248 4$LC=0.000362 5$MC=7.87E-5 11
160GDS G NC=1.80E-5 3$OC=2.76E-6 4$PC=1.719E-7 24
160GD G 1234.6 2 113 6[M1] 0.00278
160GD2 G %IG=5.91 32
160GDS G KC=0.00237 4$LC=0.000319 5$MC=6.88E-5 10
160GDS G NC=1.583E-5 23$OC=2.47E-6 4$PC=1.704E-7 24$IPC=1.079E-5 16
160GD G 1408.1 3 11 5[E2] 1.43E-3
160GD2 G %IG=0.575 31
160GDS G KC=0.001178 17$LC=0.0001617 23$MC=3.49E-5 5
160GDS G NC=8.02E-6 12$OC=1.240E-6 18$PC=8.18E-8 12$IPC=4.57E-5 7
160GD L 1548.35 23 (7+) L
160GD B 0.5 7.4
160GDS B EAV=1167.79 65
160GD G 286.9 3 5.3 26[E2] 0.0692
160GD2 G %IG=0.277 15
160GDS G KC=0.0525 8$LC=0.01298 19$MC=0.00295 5
160GDS G NC=0.000666 10$OC=9.43E-5 14$PC=3.26E-6 5
160GD G 1033.4 3 26.6 18[M1] 0.00423
160GD2 G %IG=1.39 7
160GDS G KC=0.00361 5$LC=0.000488 7$MC=0.0001054 15
160GDS G NC=2.43E-5 4$OC=3.78E-6 6$PC=2.60E-7 4
160GD L 1582.08 19(5+) C
160GD B 2.2 6.8
160GDS B EAV=1152.46 65
160GD G 98.8 3 16 4M1 2.08 4
160GD2 G %IG=0.84 4
160GDS G KC=1.76 3$LC=0.254 5$MC=0.0552 10
160GDS G NC=0.01271 21$OC=0.00197 4$PC=0.0001313 22
160GD cG M$from |a(exp)(98.8|g)=1.6 {I3} (deduced from intensity balance at 1483
160GD2cG level from coincidence gate on |g populating 1582 level (2020Ha13))
160GD G 286 2.5 LT[M1] 0.1086 ?
160GD2 G %IG LT 0.131
160GDS G KC=0.0920 13$LC=0.01301 19$MC=0.00282 4
160GDS G NC=0.000649 9$OC=0.0001009 15$PC=6.80E-6 10
160GD G 408.9 2 179 9[M1] 0.0424
160GD2 G %IG=9.4 5
160GDS G KC=0.0360 5$LC=0.00503 7$MC=0.001090 16
160GDS G NC=0.000251 4$OC=3.90E-5 6$PC=2.64E-6 4
160GD L 1698.5 3 (5,6+) E
160GD B 0.53 7.3
160GDS B EAV=1099.65 65
160GD G 215 6.1 13 ?
160GD2 G %IG=0.319 17
160GD G 1183.5 3 15 4
160GD2 G %IG=0.78 4
160GD L 1999.00 15 (5-)
160GD cL T$no indication of substantial lifetime was found despite being
160GD2cL expected by assumed M2, 450.7|g to (7+), 1548
160GD cL $Possible K|p=5- bandhead. Proposed |p{+2}(5/2[413],5/2[532])
160GD2cL configuration (2018Ha19, 2020Ha13)
160GD B 61 5.1
160GDS B EAV=964.00 64
160GD G 300.6 3 4.9 20
160GD2 G %IG=0.256 14
160GD G 417.1 2 151 8[E1] 0.00715
160GD2 G %IG=7.9 4
160GDS G KC=0.00609 9$LC=0.000829 12$MC=0.000179 3
160GDS G NC=4.09E-5 6$OC=6.26E-6 9$PC=3.97E-7 6
160GD G 450.7 3 20 4[M2] 0.1109
160GD2 G %IG=1.05 6
160GDS G KC=0.0918 13$LC=0.01498 22$MC=0.00331 5
160GDS G NC=0.000763 11$OC=0.0001177 17$PC=7.60E-6 11
160GD cG M$possible M2 |g based on |DJ|p(levels)
160GD G 515.7 1 879 44[E1] 0.00440
160GD2 G %IG=46.0 25
160GDS G KC=0.00375 6$LC=0.000506 7$MC=0.0001089 16
160GDS G NC=2.49E-5 4$OC=3.83E-6 6$PC=2.47E-7 4
160GD G 605.7 3 22 5[E1] 0.00310
160GD2 G %IG=1.15 6
160GDS G KC=0.00265 4$LC=0.000353 5$MC=7.61E-5 11
160GDS G NC=1.744E-5 25$OC=2.68E-6 4$PC=1.755E-7 25
160GD G 737.6 2 144 8[E1] 0.00205
160GD2 G %IG=7.5 4
160GDS G KC=0.001758 25$LC=0.000233 4$MC=5.00E-5 7
160GDS G NC=1.147E-5 16$OC=1.772E-6 25$PC=1.174E-7 17
160GD G 825.6 3 19.6 18[E1] 1.64E-3
160GD2 G %IG=1.02 5
160GDS G KC=0.001405 20$LC=0.000185 3$MC=3.97E-5 6
160GDS G NC=9.12E-6 13$OC=1.410E-6 20$PC=9.41E-8 14
160GD G 928.0 3 18 6[E1] 1.31E-3 b
160GD2 G %IG=0.94 5
160GDS G KC=0.001121 16$LC=0.0001468 21$MC=3.15E-5 5
160GDS G NC=7.24E-6 11$OC=1.121E-6 16$PC=7.52E-8 11
160GD G 1483.6 3 5.6 26[E1] 7.55E-4
160GD2 G %IG=0.293 16
160GDS G KC=0.000483 7$LC=6.22E-5 9$MC=1.334E-5 19
160GDS G NC=3.06E-6 5$OC=4.76E-7 7$PC=3.26E-8 5$IPC=0.000193 3
160GD G 1750.2 3 11 4[E1] 8.18E-4 b
160GD2 G %IG=0.575 31
160GDS G KC=0.000367 6$LC=4.70E-5 7$MC=1.007E-5 15
160GDS G NC=2.31E-6 4$OC=3.60E-7 5$PC=2.48E-8 4$IPC=0.000391 6
160GD L 2253.0 4
160GD B 2.2 6.3
160GDS B EAV=850.31 65
160GD G 769.6 3 42.0 25
160GD2 G %IG=2.20 12
160GD L 2344.8 4
160GD B 2.2 6.2
160GDS B EAV=809.50 65
160GD G 646 2.5 13 ?
160GD2 G %IG=0.131 7
160GD G 762.7 3 41.4 25
160GD2 G %IG=2.16 12
160GD L 2489.92 19(5+,6+) E
160GD B 6.8 5.6
160GDS B EAV=745.33 63
160GD G 491.1 2 51 3[E1] 0.00491
160GD2 G %IG=2.67 14
160GDS G KC=0.00419 6$LC=0.000565 8$MC=0.0001218 17
160GDS G NC=2.79E-5 4$OC=4.28E-6 6$PC=2.75E-7 4
160GD G 1006.5 3 35.5 22[M1,E2] 0.0036 9
160GD2 G %IG=1.86 10
160GDS G KC=0.00307 78$LC=0.00043 10$MC=9.2E-5 21
160GDS G NC=2.1E-5 5$OC=3.3E-6 8$PC=2.18E-7 60
160GD G 1052.1 3 8.5 12[M1,E2] 0.0033 8
160GD2 G %IG=0.444 24
160GDS G KC=0.0028 7$LC=0.00038 9$MC=8.3E-5 18
160GDS G NC=1.9E-5 5$OC=3.0E-6 7$PC=1.97E-7 53
160GD G 1194.1 3 2.5 9[M1] 0.00301
160GD2 G %IG=0.131 7
160GDS G KC=0.00256 4$LC=0.000345 5$MC=7.45E-5 11
160GDS G NC=1.714E-5 24$OC=2.67E-6 4$PC=1.84E-7 3$IPC=5.44E-6 9
160GD G 1316.4 3 32.0 20[M1] 0.00241
160GD2 G %IG=1.67 9
160GDS G KC=0.00204 3$LC=0.000274 4$MC=5.90E-5 9
160GDS G NC=1.359E-5 19$OC=2.12E-6 3$PC=1.465E-7 21$IPC=2.58E-5 4
160GD L 2559.86 19(5+,6+) E
160GD B 8.7 5.5
160GDS B EAV=714.58 62
160GD G 560.8 2 74 4[E1] 0.00366
160GD2 G %IG=3.87 21
160GDS G KC=0.00312 5$LC=0.000419 6$MC=9.02E-5 13
160GDS G NC=2.07E-5 3$OC=3.18E-6 5$PC=2.07E-7 3
160GD G 1076.4 3 42 3[M1,E2] 0.0031 8
160GD2 G %IG=2.20 12
160GDS G KC=0.0026 7$LC=0.00036 8$MC=7.9E-5 17
160GDS G NC=1.8E-5 4$OC=2.8E-6 7$PC=1.87E-7 49
160GD G 1122.4 3 7.0 8[M1,E2] 0.0028 7
160GD2 G %IG=0.366 20
160GDS G KC=0.0024 6$LC=0.00033 7$MC=7.1E-5 15
160GDS G NC=1.6E-5 4$OC=2.5E-6 6$PC=1.71E-7 44$IPC=7.2E-7 4
160GD G 1264.1 3 11.8 16[M1] 0.00264
160GD2 G %IG=0.617 33
160GDS G KC=0.00224 4$LC=0.000301 5$MC=6.50E-5 10
160GDS G NC=1.497E-5 21$OC=2.34E-6 4$PC=1.612E-7 23$IPC=1.555E-5 23
160GD G 1386.5 3 31 4[M1] 0.00216
160GD2 G %IG=1.62 9
160GDS G KC=0.00181 3$LC=0.000242 4$MC=5.22E-5 8
160GDS G NC=1.203E-5 17$OC=1.88E-6 3$PC=1.297E-7 19$IPC=4.44E-5 7