149SM 149PM B- DECAY (53.08 H) 1982ME10 22NDS 202210
149SM H TYP=FUL$AUT=Balraj Singh and Jun Chen$CIT=NDS 185, 2 (2022)$
149SM2 H CUT=23-Aug-2022$
149SM c 1982Me10: measured |g, |g|g at LLNL. Mass separated source and Compton
149SM2c suppression spectrometer used for this study
149SM c Others: 1976MiZJ, 1972Ho08, 1972De67, 1971Ba28, 1970Ch09, 1969Gr32,
149SM2c 1966Mc11, 1963Ho15, 1960Ch15, 1960Ar05, 1960Bu06, 1960Sc08
149SM c |g|g-coin: 1976MiZJ, 1966Mc11, 1960Ar05, 1960Sc08
149SM c |g|g(|q): 1976MiZJ (semi-scin system). Reanalysis by 1980Mi07
149SM c |g(|q,t): 1984Pr04, 1960Ch15
149SM c |g|g(t): 1965Cu01, 1960Ma27
149SM c ce: 1960Ar05, 1960Sc08, 1952Ru10
149SM c References prior to 1960 dealing mainly with production and
149SM2c identification of {+149}Pm: 1954Fi29, 1952Ki25, 1952Ru10, 1951Ko01,
149SM3c 1949Ma02, 1947Ma28, 1947In06, 1946Bo25, 1941La01
149SM c Following |g rays [E|g(I|g)] seen by 1976MiZJ have been omitted
149SM2c by (evaluators) for lack of confirmation: 64.1(0.0033); 239.5(0.19);
149SM3c 278.6(0.0066); 487.0(0.33); 553.4(0.0165); 556.2(0.0033); 605.0(0.01);
149SM4c 920.0; 925.6. A level proposed at 836.8 from 278.6|g and 487.0|g has
149SM5c also been omitted. It may be pointed out that the source material
149SM6c used by 1976MiZJ contained several impurities
149SM c |b{+-} and |g|b{+-}: 1978Re01, 1960Sc08, 1960Ar05, 1960Ch15
149SM c |b|g(|q): 1980Mi07, 1979Ra11, 1977Mi17
149SM c |b{+-} shape: 1978Re01
149SM c |b|g(t): 1968Ak02, 1960Ch15
149SM c The statement "in-beam |g-ray" includes (|a,n|g); and
149SM2c (|a,3n|g), ({+3}He,4n|g) reactions
149SM c Total decay energy deposit of 1065 keV {I4} calculated by RADLIST
149SM2c code is in agreement with expected value of 1071.5 keV {I19},
149SM3c indicating the completeness of the decay scheme.
149SM cB IB$From intensity balance at each level
149SM cB IB(A)$Total |b feeding is 95.6 {I5} for 0+22.5 levels. Feeding for
149SM2cB the g.s. is estimated as >50% implying <46% for 22.5 level
149SM cG RI$3% uncertainty added (evaluators) in quadrature to uncertainties
149SM2cG given by 1982Me10
149SM cG M,MR$From the Adopted Gammas, where the assignments are from
149SM2cG ce data in {+149}Eu decay and |g(|q), |g(lin pol) data in
149SM3cG in-beam |g-ray.
149SM cG E(x)$Uncertainty doubled for fitting purpose, as the E|g fits poorly.
149SM cL J$From the Adopted Levels
149SM cL E$From least-squares fit to E|g values. Energy uncertainties of six
149SM2cL |g rays were doubled to obtain a fairly acceptable reduced |h{+2}=2.9
149SM3cL as compared to critical |h{+2}=1.8. Without this adjustment reduced
149SM4cL |h{+2} was 5.9.
149PM P 0.0 7/2+ 53.08 H 9 1071.5 19
149PM cP J,T$From {+149}Pm Adopted Levels
149PM cP QP$From 2021Wa16
149SM N 0.031 2 1.0 1.0
149SM PN 4
149SM cN NR$From absolute intensity (in 4|p|b|g measurement)
149SM2cN %I|g(286|g)=3.1 {I2} (1966Mc11)
149SM G 238.38 12 0.007 1
149SM2 G %IG=0.000217 34$
149SM G 257.77 11 0.011 1
149SM2 G %IG=0.00034 4$
149SM G 314.85 15 0.009 1
149SM2 G %IG=0.00028 4$
149SM G 571.08 9 0.078 7
149SM2 G %IG=0.00242 27$
149SM G 598.42 15 0.007 1
149SM2 G %IG=0.000217 34$
149SM G 824.3 2 0.004 1
149SM2 G %IG=0.000124 32$
149SM G 915.5 3 0.00031
149SM2 G %IG=9.3E-6 32$
149SM G 950.6 2 0.007 2
149SM2 G %IG=0.00022 6$
149SM G 964.4 5 0.000103
149SM2 G %IG=3.1E-6 10$
149SM G 969.6 5 0.000103
149SM2 G %IG=3.1E-6 10$
149SM L 0.0 7/2- STABLE
149SM B 95.6 5 7.092 4 A
149SMS B EAV=369.20 78
149SM cB E$measured E|b=1067 {I5} from weighted average of 1062 {I2} (1978Re01),
149SM2cB 1072 {I2} (1960Ar05), 1064 {I8} (1960Sc08), 1050 {I50} (1960Ch15).
149SM cB IB$total |b{+-} feeding to g.s. and 22.5 level. Measured I|b
149SM2cB corresponding to endpoint energy of 1072: 97.1 {I4} (1960Ar05),
149SM3cB 89 {I3} (1960Sc08), 88 (1978Re01), which indicates that a large
149SM4cB fraction (probably>50%) of |b{+-} feeding proceeds to the g.s. The
149SM5cB shape of 1067|b is neither statistical nor characteristic of a unique
149SMxcB transition
149SM cB LOGFT$combined value for |b feedings to 0 and 22 levels
149SM L 22.5002 8 5/2-
149SM B A
149SM cB IB$total |b{+-} feeding to g.s. and 22 level is 95.6% {I5}. From the
149SM2cB measured endpoint energy it is estimated that feeding to
149SM3cB g.s. is >50%, implying <46% |b feeding for 22.5-keV level. See also
149SM4cB comment with 1071.5|b.
149SM G 22.5002 8 54 LT M1+E2 0.0784 9 30.0 5
149SM2 G %IG LE 0.0496 $
149SMS G LC=23.5 4$MC=5.17 8
149SMS G NC=1.155 18$OC=0.1620 25$PC=0.00718 10
149SM cG E$from {+149}Eu |e decay (2011In01), |g not observed in {+149}Pm |b{+-}
149SM cG RI$from I|b(22.5 level)<46% (see comment for I|b to 22.5 level). For
149SM2cG I|b(22 level)=0%, I|g(22|g)|?0.2
149SM cG M,MR$from {+149}Eu |e decay; |d(E2/M1) from ce measurements by 2011In01
149SM L 277.093 17 5/2-
149SM B 0.027 2 10.17 4
149SMS B EAV=259.67 73
149SM G 254.57 8 0.17 1 M1+E2 +0.20 +8-6 0.1242 20 C
149SM2 G %IG=0.0053 5$
149SMS G KC=0.1052 19$LC=0.01494 23$MC=0.00321 5
149SMS G NC=0.000727 12$OC=0.0001087 16$PC=6.63E-6 14
149SM cG MR$from |g(|q) in in-beam |g-ray
149SM G 277.09 2 0.93 4 M1+E2 -0.08 +1-2 0.0997 14 C
149SM2 G %IG=0.0288 22$
149SMS G KC=0.0847 12$LC=0.01179 17$MC=0.002530 35
149SMS G NC=0.000574 8$OC=8.61E-5 12$PC=5.36E-6 8
149SM cG MR$from |g(|q) in in-beam |g-ray
149SM L 285.948 10 9/2- 0.22 NS 4
149SM cL T$unweighted average of 0.182 ns {I7} (|g|g(t),1965Cu01), 0.253 ns
149SM2cL {I27} (|b|g(t),1968Ak02). Other: 1960Ma27
149SM B 3.4 2 8.06 3 C
149SMS B EAV=256.28 73
149SM cB E$measured E|b=786 {I7} from weighted average of 788 {I9} (1960Ar05),
149SM2cB 784 {I10} (1960Sc08), 770 {I50} (1960Ch15). Other: 776 (1978Re01)
149SM cB IB$from absolute intensity measurement of 286|g
149SM2cB (1982Me10,1970Ch09,1966Mc11).
149SM3cB Measured I|b: 2.9 {I4} (1960Ar05), 10 {I3} (1960Sc08), 11 (1978Re01)
149SM G 263.23 4 0.31 1 [E2] 0.0849 x
149SM2 G %IG=0.0096 7$
149SMF G FL=22.5002
149SMS G KC=0.0647 9$LC=0.01571 22$MC=0.00352 5
149SMS G NC=0.000782 11$OC=0.0001063 15$PC=3.40E-6 5
149SM G 285.95 1 100 M1(+E2) +0.06 6 0.0917 13 C
149SM2 G %IG=3.10 20$
149SMS G KC=0.0780 11$LC=0.01083 15$MC=0.002323 33
149SMS G NC=0.000527 7$OC=7.91E-5 11$PC=4.93E-6 7
149SM cG RI$I|g/100 decays=3.1 {I2} (1966Mc11). Others: 1970Ch09, 1960Bu06
149SM cG MR$from |g(|q,t) (1984Pr04)
149SM cG $|a(K)exp=0.075 {I8}, K/L=6.5 {I7}, L/M=4 {I1} (1960Ar05).
149SM2cG Others: |a(K)exp=0.16 {I5}, K/L=9.0 {I15} (1960Sc08), K/L=8.0 {I25}
149SMxcG (1952Ru10)
149SM cG $A{-2}=+0.097 to +0.30 in |g(|q,t) (1984Pr04)
149SM L 350.08 4 3/2-
149SM B 0.0013 3 11.6 1 1U
149SMS B EAV=245.32 70
149SM G 72.98 7 0.0010 8 M1+E2 0.27 6 4.42 12
149SM2 G %IG=3.1E-5 25$
149SMS G KC=3.48 6$LC=0.73 10$MC=0.162 24
149SMS G NC=0.036 5$OC=0.0051 6$PC=0.000219 5
149SM G 327.53 7 0.120 6 M1+E2 +0.14 3 0.0637 9 C
149SM2 G %IG=0.00372 30$
149SMS G NC=0.000366 5$OC=5.49E-5 8$PC=3.41E-6 5
149SMS G KC=0.0542 8$LC=0.00753 11$MC=0.001614 23
149SM cG MR$from |g(|q,t) in {+149}Eu decay (1981KrZS)
149SM G 350.0 1 0.0111 E2 0.0352 5
149SM2 G %IG=0.000344 $
149SMS G NC=0.000280 4$OC=3.90E-5 5$PC=1.539E-6 22
149SMS G KC=0.0279 4$LC=0.00566 8$MC=0.001253 18
149SM cG $|g not resolved from 350.71|g
149SM L 528.54 9 3/2-
149SM G 506.1 2 0.004 1 E2+M1 +4.9 +31-150.0128 4
149SM2 G %IG=0.000124 32$
149SMS G KC=0.01051 34$LC=0.00176 4$MC=0.000385 8
149SMS G NC=8.65E-5 18$OC=1.242E-5 28$PC=6.09E-7 23
149SM cG M,MR$from |g(|q,t) in {+149}Eu decay (1981KrZS)
149SM G 528.6 2 0.004 1 E2 0.0110816
149SM2 G %IG=0.000124 32$
149SMS G KC=0.00913 13$LC=0.001528 21$MC=0.000333 5
149SMS G NC=7.49E-5 11$OC=1.076E-5 15$PC=5.28E-7 7
149SM L 558.352 23 5/2-
149SM B 0.035 3 9.40 4
149SMS B EAV=156.23 67
149SM G 208.28 11 0.047 3 M1+E2 -0.45 15 0.210 4
149SM2 G %IG=0.00146 13$
149SMS G KC=0.175 5$LC=0.0279 13$MC=0.00606 33
149SMS G NC=0.00137 7$OC=0.000199 7$PC=1.08E-5 5
149SM cG MR$from |g(|q) in in-beam |g-ray
149SM G 281.24 3 0.24 1 M1+E2 +0.14 9 0.0955 16 C
149SM2 G %IG=0.0074 6$
149SMS G KC=0.0811 14$LC=0.01134 16$MC=0.002435 35
149SMS G NC=0.000552 8$OC=8.27E-5 12$PC=5.12E-6 10
149SM cG M,MR$from {+149}Eu |e decay
149SM cG $(281|g)(277|g)(|q): A{-2}=-0.08 {I5} (1976MiZJ). Consistent
149SM2cG with |d=0.14 from {+149}Eu |e decay
149SM G 535.90 5 0.37 2 E2+M1 -0.65 +23-430.0159 18
149SM2 G %IG=0.0115 10$
149SMS G KC=0.0135 16$LC=0.00191 15$MC=0.000410 31
149SMS G NC=9.3E-5 7$OC=1.38E-5 12$PC=8.3E-7 11
149SM cG M,MR$from |g(|q,t) in {+149}Eu decay (1981KrZS)
149SM G 558.37 4 0.49 3 M1+E2 +1.5 5 0.0117 13
149SM2 G %IG=0.0152 14$
149SMS G KC=0.0098 12$LC=0.00148 11$MC=0.000321 23
149SMS G NC=7.2E-5 5$OC=1.06E-5 9$PC=5.9E-7 8
149SM L 590.883 10 9/2- 3.0 PS 7
149SM B 0.090 7 8.90 4
149SMS B EAV=144.91 66
149SM cB $Measured E|b=470 {I40} and I|b=0.3 (1960Sc08); E|b=470 (1978Re01)
149SM G 305.22 8 0.083 5 M1(+E2) +0.15 15 0.0767 18 xC
149SM2 G %IG=0.00257 23$
149SMF G FL=285.948
149SMS G KC=0.0652 17$LC=0.00909 13$MC=0.001951 28
149SMS G NC=0.000442 6$OC=6.63E-5 10$PC=4.11E-6 13
149SM cG MR$from (305|g)(286|g)(|q): A{-2}=-0.104 {I12}, A{-4}=-0.004 {I15}
149SM2cG (1976MiZJ, 1980Mi07)
149SM G 568.36 7 0.60 4 E2 0.0091913
149SM2 G %IG=0.0186 17$
149SMS G KC=0.00761 11$LC=0.001240 17$MC=0.000270 4
149SMS G NC=6.07E-5 8$OC=8.76E-6 12$PC=4.42E-7 6
149SM G 590.88 1 2.23 9 E2+M1 -1.5 +9-4 0.0101 25
149SM2 G %IG=0.069 5$
149SMS G KC=0.0085 22$LC=0.00127 22$MC=0.00027 5
149SMS G NC=6.2E-5 11$OC=9.1E-6 17$PC=5.1E-7 15
149SM L 636.54 3 7/2- 1.5 PS LT
149SM B 0.027 2 9.28 4
149SMS B EAV=129.30 65
149SM G 350.71 7 0.048 3 M1+E2 -0.30 10 0.0521 13 C
149SM2 G %IG=0.00149 13$
149SMS G KC=0.0441 12$LC=0.00623 9$MC=0.001339 20
149SMS G NC=0.000303 5$OC=4.53E-5 7$PC=2.76E-6 8
149SM cG MR$from (351|g)(286|g)(|q): A{-2}=-0.074 {I14}, A{-4}=-0.023 {I19}
149SM2cG (1976MiZJ,1980Mi07)
149SM G 359.57 7 0.048 4 M1+E2 +0.9 5 0.042 6 C
149SM2 G %IG=0.00149 16$
149SMS G KC=0.035 5$LC=0.00556 24$MC=0.00121 4
149SMS G NC=0.000272 10$OC=3.97E-5 23$PC=2.1E-6 4
149SM cG MR$from (360|g)(277|g)(|q): A{-2}=-0.08 {I2} (1976MiZJ)
149SM G 613.92 6 0.48 3
149SM2 G %IG=0.0149 13$
149SM G 636.50 5 0.30 2 M1+E2 -0.30 +16-180.0114 5
149SM2 G %IG=0.0093 9$
149SMS G KC=0.0097 5$LC=0.00132 5$MC=0.000282 11
149SMS G NC=6.40E-5 24$OC=9.6E-6 4$PC=6.02E-7 31
149SM L 664.40 10 11/2-
149SM B 0.00077 11 10.7 1 1U
149SMS B EAV=134.53 65
149SM G 664.4 1 0.025 3 E2 0.00624 9
149SM2 G %IG=0.00078 11$
149SMS G KC=0.00521 7$LC=0.000808 11$MC=0.0001752 25
149SMS G NC=3.94E-5 6$OC=5.74E-6 8$PC=3.06E-7 4
149SM L 785.23 12 5/2-
149SM B 0.00037 7 10.5 1
149SMS B EAV=80.84 61
149SM G 785.23 12 0.012 2
149SM2 G %IG=0.00037 7$
149SM L 830.38 4(5/2-,7/2,9/2-)
149SM B 0.052 5 8.16 5
149SMS B EAV=66.92 58
149SM G 544.27 6 0.080 4
149SM2 G %IG=0.00248 20$
149SM G 552.92 9 0.019 1 x
149SM2 G %IG=0.00059 5$
149SMF G FL=277.093
149SM G 808.11 0.53 4 x
149SM2 G %IG=0.0164 16$
149SMF G FL=22.5002
149SM G 830.53 7 1.05 8
149SM2 G %IG=0.0325 32$
149SM L 833.23 5
149SM B 0.035 4 8.31 5
149SMS B EAV=66.05 58
149SM G 242.10 14 0.006 1
149SM2 G %IG=0.000186 33$
149SM G 547.17 7 0.052 4
149SM2 G %IG=0.00161 16$
149SM G 833.40 7 1.07 8
149SM2 G %IG=0.0332 33$
149SM L 835.59 7(5/2-,7/2,9/2-)
149SM B 0.0016 2 9.6 1
149SMS B EAV=65.34 58
149SM G 550.01 15 0.006 1
149SM2 G %IG=0.000186 33$
149SM G 812.92 0.010 1
149SM2 G %IG=0.00031 4$
149SM G 835.55 11 0.035 3
149SM2 G %IG=0.00108 12$
149SM L 881.97 4 (5/2,7/2-)
149SM B 0.136 10 7.41 4
149SMS B EAV=51.52 56
149SM cB $Measured E|b=190 {I40}, I|b=0.6 (1960Sc08), E|b=210 (1978Re01)
149SM G 323.95 9 0.049 5 x
149SM2 G %IG=0.00152 18$
149SM G 353.46 11 0.010 1
149SM2 G %IG=0.00031 4$
149SM G 531.61 6 0.048 4 x
149SM2 G %IG=0.00149 16$
149SMF G FL=350.08
149SM G 859.46 6 3.5 1
149SM2 G %IG=0.108 8$
149SM G 881.98 5 0.77 3
149SM2 G %IG=0.0239 18$
149SM L 952.78 9 (5/2,7/2,9/2-)
149SM B 0.0015 2 8.7 1
149SMS B EAV=31.31 53
149SM G 930.2 2 0.019 3
149SM2 G %IG=0.00059 10$
149SM G 952.8 1 0.028 3
149SM2 G %IG=0.00087 11$