227AC 227RA B- DECAY (42.2 M) 1971LO15 16NDS 201602
227AC H TYP=FUL$AUT=ICTP-2014 Workshop Group$CIT=NDS 132, 257 (2016)$
227AC2 H CUT=15-Jan-2016$
227AC H TYP=FUL$CIT=ENSDF$CUT=15-JAN-2016$
227AC2 H AUT=B. Singh, I. Ami, A. Chakraborty, M. Latif, S. Rathi and D. Yang$
227AC c 1971Lo15: measured T{-1/2}, E|b, I|b, E|g, I|g,
227AC2c |g|g-coin; deduced Q value, log| {Ift} values, levels, J, |p.
227AC3c Sources were produced in neutron irradiation of {+226}Ra and of about
227AC4c 30 |mCi strength were used
227AC c Others:
227AC c 1953Bu63: measured E|b, E|g. Three |g rays were reported
227AC c 1982Ba56: precise measurements of {+227}Ac KL{-3} x-ray energy
227AC2c a Dumond-type curved crystal spectrometer. Value=90.895 keV {I12}
227AC cB IB$The |b{+-} feedings to the individual levels were deduced by
227AC2cB the evaluators from |g-ray transition intensity balances. Such
227AC3cB feedings should be considered approximate because the uncertainties
227AC4cB in the |g-ray intensities are unknown.
227AC cB LOGFT$Values considered as approximate since |b feedings are
227AC2cB approximate
227AC cG E,RI$From 1971Lo15
227AC cG M,MR$From Adopted Gammas.
227AC cG E(Y)$|g ray not observed. I|g is an upper limit.
227AC cG E(D)$Doublet.
227AC CG CC$FROM BrIcc v2.3b (16-Dec-2014) 2008Ki07, "Frozen Orbitals" appr.
227AC cL E$Deduced by evaluators from a least-squares fit to |g-ray energies,
227AC2cL reduced |h{+2}=1.1
227AC cL J$From Adopted Levels. See also Adopted Levels for band structures,
227AC2cL Nilsson assignments and parity doublet bands.
227RA P 0.0 3/2+ 42.2 M 5 1328.4 23
227RA cP J,T$From {+227}Ra Adopted Levels
227RA cP QP$From 2012Wa38
227AC N 0.81 1.0 1.0
227AC PN 3
227AC cN NR$1971Lo15 presented |g-ray intensities on an absolute scale,
227AC2cN but the normalization method was not given. The normalization
227AC3cN shown here assumes no |b{+-} feeding to the g.s. and thus
227AC4cN |SI(|g+ce) (|g rays to g.s.)=100%. The corresponding absolute |g-ray
227AC5cN intensities are |?15% lower than those reported by 1971Lo15.
227AC G 218.19 10 0.21
227AC G 242.1 2 0.03
227AC G 259.7 2 0.03
227AC G 543.1 1 0.27
227AC L 0.0 3/2- 21.772 Y 3
227AC L 27.372 19 3/2+ 38.3 NS 3
227AC B 37.2 6.5
227ACS B EAV=438.30 90
227AC cB $E|b=1300 keV {I15}, I|b(rel)=100, semi.
227AC G 27.37 2 17.4 E1(+M2) 0.0020 LT 4.5 4
227AC L 29.95 4 5/2-
227AC G 29.95 4 0.036 M1+E2 0.22 3 2.7E2 5
227ACS G LC=2.0E2 4$MC=52 9
227ACS G NC=13.8 23$OC=3.1 5$PC=0.52 8$QC=0.0213 4
227AC L 46.40 4 5/2+
227AC B 25.2 6.7
227ACS B EAV=430.92 90
227AC G 16.5 1 0.26 [E1] 8.58 12
227AC cG E,RI$from Adopted Gammas.
227AC G 19.6 0.32 [M1] 112.8
227ACS G LC=2.34 4$MC=82.5 12$NC=21.9 3$OC=5.09 8$PC=0.942 14$QC=0.0840 12
227AC cG E,RI$from Adopted Gammas.
227AC G 46.38 4 0.19 (E1) 0.878
227ACS G LC=0.662 10$MC=0.1631 24
227ACS G NC=0.0423 6$OC=0.00912 13$PC=0.001415 20$QC=5.88E-5 9
227AC L 74.29 9 7/2-
227AC B 9 LT 7.7 GT 1U?
227ACS B EAV=406.61 83
227AC G 44.2 0.27 LT [M1] 37.3 Y S
227ACS G LC=28.2 4$MC=6.77 10
227ACS G NC=1.80 3$OC=0.418 6$PC=0.0774 11$QC=0.00689 10
227AC G 74.2 2 0.016 [E2] 42.4 8
227ACS G LC=31.1 6$MC=8.49 17
227ACS G NC=2.26 5$OC=0.491 10$PC=0.0766 15$QC=0.000233 5
227AC cG RI$from I(|g+ce)=0.7 and |a(E2)=42.4.
227AC L 84.61 8 7/2+
227AC G 38.2 0.02 LT M1+E2 0.19 9 92 38 Y S
227ACS G LC=69 28$MC=17.4 76
227ACS G NC=4.6 20$OC=1.04 44$PC=0.180 67$QC=0.0104 3
227AC G 54.6 0.01 LT [E1] 0.569 ?
227ACS G LC=0.429 6$MC=0.1052 15
227ACS G NC=0.0273 4$OC=0.00594 9$PC=0.000940 14$QC=4.17E-5 6
227AC G 57.1 1 0.004 LT (E2) 149.1 25 @
227ACF G FLAG=D
227ACS G LC=109.4 18$MC=29.8 5
227ACS G NC=7.93 13$OC=1.72 3$PC=0.268 5$QC=0.000693 11
227AC cG RI$from Adopted Gammas.
227AC L 273.13 5 (5/2)-
227AC B 2.0 7.5
227ACS B EAV=344.29 87
227AC G 198.9 2 0.03 [M1+E2] 1.5 9
227AC G 226.6 1 0.03 [E1] 0.0688
227ACS G KC=0.0548 8$LC=0.01057 15$MC=0.00253 4
227ACS G NC=0.000666 10$OC=0.0001511 22$PC=2.65E-5 4$QC=1.81E-6 3
227AC G 243.1510 0.54 M1+E2 1.1 3 0.80 17
227ACS G KC=0.56 16$LC=0.176 10$MC=0.0445 16
227ACS G NC=0.0118 5$OC=0.00268 12$PC=0.00046 3$QC=2.60E-5 70
227AC G 245.9 1 0.03 [E1] 0.0569
227ACS G KC=0.0455 7$LC=0.00865 13$MC=0.00207 3
227ACS G NC=0.000545 8$OC=0.0001239 18$PC=2.18E-5 3$QC=1.517E-6 22
227AC G 273.15 10 0.96 M1+E2 0.7 3 0.74 15
227ACS G KC=0.57 14$LC=0.131 11$MC=0.0323 21
227ACS G NC=0.0086 6$OC=0.00197 15$PC=0.00035 4$QC=2.6E-5 6
227AC L 304.73 7 (5/2+)
227AC B 4.0 7.1
227ACS B EAV=332.44 86
227AC cB $E|b=1026 keV {I20}, I|b(rel)=45 {I5}, semi.
227AC G 219.9015 0.21 [M1+E2] 1.1 7
227AC G 258.3010 2.0 [M1+E2] 0.7 5
227AC G 277.3910 2.9 [M1+E2] 0.6 4
227AC L 330.09 5 3/2-
227AC B 19.0 6.4
227ACS B EAV=322.98 86
227AC G 57.1 1 0.024 [M1+E2] 83 66 @
227ACF G FLAG=D
227AC cG E$placement from the 330 level is considered as questionable since
227AC2cG not confirmed in {+231}Pa |a decay
227AC G 255.7610 0.20 E2 0.265
227ACS G KC=0.0993 14$LC=0.1219 18$MC=0.0328 5
227ACS G NC=0.00872 13$OC=0.00192 3$PC=0.000311 5$QC=5.37E-6 8
227AC G 283.6810 3.4 E1 0.0410
227ACS G KC=0.0329 5$LC=0.00614 9$MC=0.001468 21
227ACS G NC=0.000386 6$OC=8.81E-5 13$PC=1.561E-5 22$QC=1.117E-6 16
227AC G 300.09 10 5.1 M1+E2 -0.12 7 0.764 17
227ACS G KC=0.613 15$LC=0.1145 20$MC=0.0274 5
227ACS G NC=0.00728 12$OC=0.00169 3$PC=0.000313 6$QC=2.75E-5 7
227AC G 302.6810 4.8 E1 0.0355
227ACS G KC=0.0285 4$LC=0.00527 8$MC=0.001260 18
227ACS G NC=0.000331 5$OC=7.56E-5 11$PC=1.344E-5 19$QC=9.74E-7 14
227AC G 330.08 10 3.0 M1+E2 +0.36 7 0.540 21
227ACS G KC=0.430 19$LC=0.0836 22$MC=0.0202 5
227ACS G NC=0.00535 13$OC=0.00124 3$PC=0.000228 6$QC=1.93E-5 8
227AC L 354.59 15 1/2-
227AC B 1.0 7.6
227ACS B EAV=313.87 86
227AC G 24.9 1 0.038 AP [M1] 203 4 ?
227ACS G LC=153 3$MC=37.0 7
227ACS G NC=9.81 18$OC=2.28 5$PC=0.422 8$QC=0.0376 7
227AC cG RI$from Adopted Gammas. I|g|?0.3 (1971Lo15).
227AC G 327.2 2 0.30 (E1) 0.0298
227ACS G KC=0.0240 4$LC=0.00440 7$MC=0.001050 15
227ACS G NC=0.000276 4$OC=6.31E-5 9$PC=1.125E-5 16$QC=8.28E-7 12
227AC G 354.6 2 0.75 M1+E2 2.8 +14-6 0.142 24
227ACS G KC=0.090 21$LC=0.0391 24$MC=0.0101 5
227ACS G NC=0.00269 14$OC=0.00060 4$PC=0.000102 7$QC=4.2E-6 9
227AC L 425.75 8 5/2+
227AC B 0.79 7.6
227ACS B EAV=287.67 85
227AC G 341.1 1 0.22 [M1+E2] 0.33 22
227AC cG E$this |g is not confirmed in {+231}Pa |a decay
227AC G 379.4 1 0.47 M1(+E2) 0.5 6 0.34 12
227ACS G KC=0.270 99$LC=0.054 12$MC=0.013 3
227ACS G NC=0.0034 7$OC=0.00080 17$PC=0.00015 4$QC=1.21E-5 44
227AC G 398.4 4 0.089 @
227AC cG RI$from {+231}Pa |a decay relative to I(379.4|g).
227AC L 428.39 18 ?
227AC B 0.15 8.3
227ACS B EAV=286.70 85
227AC G 398.4 4 0.09 @ ?
227AC cG RI$from experimental I|g(398|g doublet) minus I|g(398.4|g) from 425
227ACxcG level.
227AC G 428.4 2 0.093 ?
227AC L 435.37 8 1/2+
227AC B 2.9 7.0
227ACS B EAV=284.15 85
227AC G 390.4 6 0.078 ?
227AC cG E$|DE=0.06 keV given by 1971Lo15 is too low to be realistic and
227AC2cG is probably a typographical error.
227AC G 407.9710 2.4 M1 0.334
227ACS G KC=0.269 4$LC=0.0496 7$MC=0.01186 17
227ACS G NC=0.00314 5$OC=0.000731 11$PC=0.0001353 19$QC=1.199E-5 17
227AC G 435.4 1 0.25
227AC L 501.27 8 (1/2-,3/2,5/2-)
227AC B 1.5 7.2
227ACS B EAV=260.21 83
227AC G 146.9 5 0.3 LT ?
227AC G 228.0010 0.42
227AC G 471.3 5 0.27
227AC G 501.4 1 1.05
227AC L 514.37 9 (3/2,5/2)+
227AC B 2.4 7.0
227ACS B EAV=255.49 83
227AC G 209.6 2 0.11
227AC G 468.5 5 0.27
227AC G 486.9810 2.5
227AC L 537.01 11 (3/2+)
227AC B 0.38 7.7
227ACS B EAV=247.36 83
227AC G 232.2010 0.30 [M1+E2] 0.97 61
227AC G 490.5 5 0.15
227AC G 510.0 2
227AC L 562.81 14 (3/2+,5/2+)
227AC B 1.9 7.0
227ACS B EAV=238.15 82
227AC cB $E|b=745 keV {I50}, I|b(rel)=20 {I10}, semi.
227AC G 478.4 4 0.09
227AC G 516.2 2 1.5
227AC G 535.6 2 0.66
227AC L 639.09 15 1/2+
227AC B 1.3 7.0
227ACS B EAV=211.26 81
227AC G 611.4 2 1.3
227AC G 639.4 2 0.24
227AC L 698.59 15 (3/2)+
227AC B 0.34 7.4
227ACS B EAV=190.66 80
227AC G 652.2 2 0.24
227AC G 671.2 2 0.16
227AC L 790.11 17 (1/2-,3/2,5/2)
227AC B 0.25 7.4
227ACS B EAV=159.63 77
227AC cB $E|b=550 keV {I80}, I|b(rel)=10 {I5}, semi.
227AC G 760.3 2 0.13
227AC G 789.8 3 0.16
227AC L 863.64 22 (1/2,3/2,5/2)
227AC B 0.22 7.2
227ACS B EAV=135.40 78
227AC G 836.4 3 0.10
227AC G 863.5 3 0.16
227AC L 874.69 18 (1/2+,3/2,5/2)
227AC B 0.13 7.4
227ACS B EAV=131.78 75
227AC G 828.9 3 0.03
227AC G 846.7 3 0.06 LT
227AC G 874.7 3 0.09