167HO 167DY B- DECAY (6.20 M) 1977TU01 23NDS 202309
167HO H TYP=FUL$AUT=Balraj Singh and Jun Chen$CIT=NDS 191, 1 (2023)$
167HO2 H CUT=22-Aug-2023$
167HO c 1977Tu01: {+167}Dy from {+170}Er(n,|a),E(n)=14-15 MeV using 96.9%
167HO2c enriched {+170}Er target at the 400 kV neutron generator of the
167HO3c University of Helsinki. Measured E|b, I|b, E|g, I|g, |g|g-coin, prompt
167HO4c and delayed |b|g-coin using plastic scintillator for |b detection and
167HO5c Ge(Li) detectors for |g rays.
167HO c Others:
167HO c 1999As03: 133.2, 250.0, 310.3, and 569.7 keV |g rays reported from
167HO2c from the decay of {+167}Dy in the main study of {+167}Tb decay
167HO c 1974Ka21: 250.0, 258.9, 569.7, 599.2, 843.2, 975.9, 996.5, and 1014.1
167HO2c keV |g rays tentatively assigned to the decay of {+167}Dy in the main
167HO3c study of decays of {+170}Ho isomers to {+170}Er. The |g rays of 843.2,
167HO4c 975.9 and 1014.1 keV were not confirmed in 1977Tu01
167HO cB IB$|b{+-} feedings are from transition intensity balance at each level,
167HO2cB with tentative placements included. No feeding to g.s. is expected,
167HO3cB as |DJ=3 and |D|p=no. Feedings to low-energy levels are uncertain
167HO4cB because of lack of definite multipolarity assignments for the
167HO5cB low-energy |g rays.
167HO cG $I|g(Ho K| x ray)=81 {I12}, relative to I|g=100.0 for
167HO2cG 569.7|g. The corresponding decay-scheme value is
167HO3cG I|g(Ho K| x ray)=64.4.
167HO cG E(b)$Isotopic assignment of this |g ray is uncertain (1977Tu01)
167HO cL E$From a least-squares fit to E|g values, with tentative placements
167HO2cL included
167HO cL J,T$From the Adopted Levels. Nilsson assignments proposed in 1977Tu01
167HO2cL were confirmed in (pol t,|a) study by 1979Lo02
167DY P 0.0 (1/2-) 6.20 M 8 2368 7
167DY cP J,T$From {+167}Dy Adopted Levels
167DY cP QP$From 2021Wa16
167HO N 0.483 17 1.0 1.0
167HO cN NR$From total I(|g+ce) to g.s.=100% (no feeding to g.s. expected, as
167HO2cN |DJ=3 and |D|p=no).
167HO PN 3
167HO G 746.0 2 0.86 10 b
167HO G 799.0 4 0.8 AP b
167HO G 1080.3 3 0.62 8 b
167HO L 0.0 7/2- 2.98 H 3
167HO cL $Configuration=|p7/2[523] (1977Tu01)
167HO L 259.34 11 3/2+ 6.0 US 10
167HO cL T$from |b|g(t) (1977Tu01)
167HO cL $Configuration=|p3/2[411] (1977Tu01)
167HO B 8 LT 6.7 GT ?
167HO cB IB$3 {I6} from intensity balance
167HOS B EAV=805.7 31
167HO G 259.33 13 58.0 40 M2 0.827 12 C
167HO2 G %IG=28.0 10
167HO cG TI$27.9% {I9} based on adopted normalization.
167HO2 G EKC=0.69 11
167HOS G KC=0.661 9$LC=0.1286 18$MC=0.0294 4
167HOS G NC=0.00685 10$OC=0.000980 14$PC=5.11E-5 7
167HO cG M$from |a(K)exp, determined from comparison of K x-rays and |g-ray
167HO2cG intensities in singles and coincidence spectra (1977Tu01)
167HO L 319.75 12 5/2+
167HO cL $Configuration=|p3/2[411] (1977Tu01)
167HO B 4 LT 8.0 GT 1U?
167HO cB IB$0 {I4} from intensity balance
167HOS B EAV=759.2 29
167HO G 60.44 8 1.9 3 M1(+E2) 1.25 LE 14.1 30 C
167HO2 G EKC=11 5
167HO2 G %IG=0.92 15
167HOS G KC=7.2 22$LC=5 4$MC=1.3 10
167HOS G NC=0.29 21$OC=0.035 24$PC=4.5E-4 14
167HO cG M$from |a(K)exp, determined from comparison of K x-rays and |g-ray
167HO2cG intensities in singles and coincidence spectra (1977Tu01)
167HO L 392.48 13 (1/2+)
167HO cL $Configuration=|p1/2[411] (1977Tu01)
167HO B 6.3 11 6.73 8
167HOS B EAV=747.2 31
167HO G 72.67 10 0.3 AP [E2] 9.73 15 b ?
167HO2 G %IG AP 0.15
167HOS G KC=2.061 29$LC=5.89 9$MC=1.425 22
167HOS G NC=0.321 5$OC=0.0376 6$PC=9.32E-5 13
167HO G 133.19 7 6.5 5 [M1+E2] 1.07 8 C
167HOS G KC=0.74 23$LC=0.25 11$MC=0.059 28
167HO2 G %IG=3.1 3
167HOS G NC=0.013 6$OC=0.0017 7$PC=4.1E-5 19
167HO cG $This |g also reported in spectral Fig. 1 of 1999As03
167HO L 409.97 12 3/2+
167HO cL $Configuration=|p1/2[411] (1977Tu01)
167HO B 1.5 5 7.33 15
167HOS B EAV=739.4 31
167HO G 90.26 8 0.89 13 [M1+E2] 3.83 33 C
167HO2 G %IG=0.43 7
167HOS G KC=2.2 8$LC=1.3 8$MC=0.30 21
167HOS G NC=0.07 5$OC=0.008 5$PC=1.2E-4 6
167HO G 150.58 8 1.4 2 [M1+E2] 0.73 9 C
167HO2 G %IG=0.68 10
167HOS G KC=0.53 16$LC=0.16 6$MC=0.037 14
167HOS G NC=0.0083 31$OC=0.00108 32$PC=2.9E-5 13
167HO L 569.69 12 (3/2-)
167HO cL $Configuration=|p7/2[523]~#2+ (1977Tu01)
167HO B 82 4 5.452 23
167HOS B EAV=669.6 30
167HO G 159.71 8 1.0 AP [E1] 0.0910 13 ?
167HO2 G %IG AP 0.48
167HOS G KC=0.0764 11$LC=0.01141 16$MC=0.002509 35
167HOS G NC=0.000575 8$OC=7.96E-5 11$PC=3.72E-6 5
167HO G 250.03 13 19.9 11 [E1] 0.0282 4 C
167HO2 G %IG=9.6 6
167HOS G KC=0.02385 34$LC=0.00344 5$MC=0.000756 11
167HOS G NC=0.0001740 24$OC=2.449E-5 34$PC=1.223E-6 17
167HO G 310.26 12 52.0 30 [E1] 0.0164323 C
167HO2 G %IG=25.1 17
167HOS G KC=0.01390 20$LC=0.001981 28$MC=0.000435 6
167HOS G NC=0.0001001 14$OC=1.419E-5 20$PC=7.27E-7 10
167HO G 569.7 2 100.0 [E2] 0.0113516 C
167HO2 G %IG=48.3 17
167HOS G KC=0.00920 13$LC=0.001672 23$MC=0.000377 5
167HOS G NC=8.67E-5 12$OC=1.198E-5 17$PC=5.17E-7 7
167HO L 922.0 2 ?
167HO B 0.94 13 7.03 6 ?
167HOS B EAV=519.0 30
167HO G 352.2 2 2.1 2 [D,E2] 0.046 34 ?
167HO2 G %IG=1.01 10
167HO G 662.9 3 0.70 8 b? ?
167HO2 G %IG=0.34 4
167HO L 1099.5 2
167HO B 1.22 24 6.70 9
167HOS B EAV=445.1 29
167HO G 689.4 3 0.5 AP b? ?
167HO2 G %IG AP 0.24
167HO G 707.1 2 2.0 4 [D,E2] 0.008 5 C
167HO2 G %IG=0.97 20
167HO L 1149.0 3
167HO B 0.81 16 6.82 9
167HOS B EAV=424.5 29
167HO G 579.4 3 0.47 8 C
167HO2 G %IG=0.23 4
167HO G 738.8 4 1.2 3 [D,E2] 0.007 5 ?
167HO2 G %IG=0.58 15
167HO L 1168.8 2 ?
167HO B 1.22 22 6.61 8 ?
167HOS B EAV=416.3 29
167HO G 599.2 2 1.7 2 [D,E2] 0.012 8 ?
167HO2 G %IG=0.82 10
167HO G 909.1 5 0.8 AP b? ?
167HO2 G %IG AP 0.39
167HO L 1240.6 4
167HO B 1.3 AP 6.5 AP
167HOS B EAV=387.0 28
167HO G 830.8 5 0.7 AP
167HO2 G %IG AP 0.34
167HO G 848.3 10 1.0 AP C
167HO2 G %IG AP 0.48
167HO G 920.5 5 0.5 AP b? ?
167HO2 G %IG AP 0.24
167HO G 981.4 8 0.5 AP C
167HO2 G %IG AP 0.24
167HO L 1664.9 4
167HO B 0.79 11 5.97 6
167HOS B EAV=222.2 26
167HO G 1094.6 6 0.5 2 ?
167HO2 G %IG=0.24 10
167HO G 1272.9 6 0.65 8 C
167HO2 G %IG=0.31 4
167HO G 1405.6 5 0.48 7
167HO2 G %IG=0.23 4
167HO L 1919.0 3 ?
167HO B 0.46 5 5.55 5 ?
167HOS B EAV=132.3 24
167HO G 997.0 2 0.95 10 ?
167HO2 G %IG=0.46 5