229TH 229PA EC DECAY 1987AH05 26NDS 202601
229TH H TYP=FUL$AUT=F.G. KONDEV, J.K. TULI and E. BROWNE$
229TH2 H CIT=NDS 208, 397 (2026)$CUT=23-Oct-2025$
229TH c 1987Ah05: {+229}Pa was produced in {+229}Th(d,2n) and {+230}Th(d,3n)
229TH2c reactions with E(d)=18 MeV and 21 MeV, respectively, provided
229TH3c by the Argonne 152 cm cyclotron. The source was chemically purified and
229TH4c mass separated by the Argonne electromagnetic isotope separator.
229TH5c Singles |g-ray measurements were carried out with a 5-cm{+2} |* 1-cm
229TH6c low energy photon spectrometer. Measured E|g and I|g.
229TH7c Others (by the same authors): 1982Ah08 and 1989AhZZ
229TH c Others: 1958Hi78, 1961Ru06
229TH tG $ -------------------------------------------------
229TH tG $ K X-rays (Th) from 1987Ah05
229TH2tG E|g, keV I|g, relative
229TH3tG --------- -----------
229TH4tG 89.95 5 60.0 10 Th K{-|a2}
229TH5tG 93.35 5 100 Th K{-|a1}
229TH6tG 104.85 5 11.7 3 Th K{-|b3}
229TH7tG 105.64 5 22.7 6 Th K{-|b1}
229TH8tG 108.64 5 9.0 3 Th K{-|b2}
229TH9tG 109.50 8 3.0 1 Th KO{-2,3}
229TH tG $ -------------------------------------------------
229TH cL E$From a least-squares fit to E|g. Reduced |h{+2}=0.8743, compared to
229TH2cL the critical value of |h{+2}=2.321
229TH cL J,T$From adopted levels
229TH cE IE$From intensity balances at each level
229TH cE IE(F)$Includes a possible |e feeding to the 0.008355733-keV level
229TH cG E,RI$From 1987Ah05, unless otherwise stated. Photon intensity relative
229TH2cG to I(K|a{-1} x ray)=100 (1987Ah05).
229TH cG E(a),M,MR$From Adopted Gammas
229TH cG E(b)$Transition not seen in {+229}Pa |e decay.
229TH cG RI(c)$From adopted gammas after appropriate normalization
229TH cL BAND(A)$|n5/2[633] band
229TH cL BAND(B)$|n3/2[631] band
229TH cL BAND(D)$|n5/2[752] band
229TH DG CC$FROM BrIcc v2.3e (17-Jun-2020) 2008Ki07, "Frozen Orbitals" appr.
229TH DE LOGFT,CK,CL,CM,CN$FROM BetaShape v2.4 (Jun-2024) 2019MO35.
229TH dL E$Least-squares fitting is done by GLSC (version 14-Nov-2024)
229PA P 0.0 5/2+ 1.54 D 5 311 4
229PA cP J,T$From {+229}Pa adopted levels
229PA cP QP$From 2021Wa16
229PA cP $configuration=|p5/2[642] Nilsson assignment
229TH N 0.303 8 0.9951 5 1.0049
229TH PN 4
229TH cN NR$Deduced by evaluators from the relative K| x ray intensity of 206
229TH2cN {I3} (1987Ah05), |e(K)/|e ratios from the BetaShape code (2019Mo35),
229TH3cN and the K-fluorescence yield of 0.969 {I4} (1996Sc06), and after
229TH4cN subtraction of the K| x ray contribution from the conversion electrons
229TH5cN associated with the 117.16-, 118.97-, 146.34- and 148.17-keV |g-ray
229TH6cN transitions
229TH L 0.0 5/2+ 7907 Y 24 A
229TH cL $configuration=|n5/2[633] Nilsson assignment
229TH E 93.1 115.774 23 93.1 11F
229THS E CK=0.6493 34$CL=0.2556 21$CM+=0.0951 9
229TH cE IE$83% in 1982Ah08
229TH L 8355734E-911 3/2+ 7.0 US 10 BM
229TH cL $configuration=|n3/2[631] Nilsson assignment
229TH E
229TH G 8355734E-911 [M1] 1.6E9 3 a
229TH3 G FLAG=b
229TH cG CC$From Adopted Gammas
229TH L 29.18995 7 5/2+ 82.2 PS 40 B
229TH E 0.3 37.7 GE 0.3 3
229THS E CK=0.6253 44$CL=0.2722 28$CM+=0.1025 11
229TH cE IE$|J2% in 1982Ah08
229TH G 29.1821 8 0.016 6 M1+E2 0.127 6 206 7 a
229TH2 G %IG=0.0048 18
229THF G FL=8355734E-9
229THS G LC=154 5$MC=38.7 14
229THS G NC=10.3 4$OC=2.39 8$PC=0.440 14$QC=0.0297 4
229TH cG RI$Calculated from I[ce(N); 29|g]/I[ce(M); 42|g]=0.15 {I5}/3.3 {I5}
229TH2cG (1989AhZZ), |a(M; 42|g)=23.5 {I24}, I|g(42|g)=0.15 {I1}, and
229TH3cG |a(N; 29|g)=10.3 {I4}
229TH G 29.18993 7 0.0017 6 [M1] 139.8 20 a
229TH2 G %IG=0.00051 18
229THF G FL=0.0
229TH3 G FLAG=bc
229THS G LC=105.6 15$MC=25.5 4
229THS G NC=6.80 10$OC=1.612 23$PC=0.313 4$QC=0.0299 4
229TH L 42.4329 5 7/2+ 170 PS 4 A
229TH E 6.2 106.77 7 6.2 10
229THS E CK=0.612 5$CL=0.2815 32$CM+=0.1067 13
229TH cE IE$14% in 1982Ah08
229TH G 13.2429 8 0.0050 15[M1] 358 5 a
229TH2 G %IG=0.0015 5
229TH3 G FLAG=bc
229THS G MC=267 4
229THS G NC=71.2 10$OC=16.86 24$PC=3.27 5$QC=0.313 4
229TH G 42.4250 0.00105LE[E2] 684 10 a
229TH2 G %IG LE 0.00032
229THF G FL=8355734E-9
229TH3 G FLAG=bc
229THS G LC=501 7$MC=136.9 19
229THS G NC=36.6 5$OC=8.14 11$PC=1.340 19$QC=0.00336 5
229TH G 42.4331 8 0.15 1 M1+E2 0.364 +32-26121 12 a
229TH2 G %IG=0.0452 33
229THF G FL=0.0
229THS G LC=90 9$MC=23.5 24
229THS G NC=6.3 6$OC=1.42 14$PC=0.248 23$QC=0.00912 18
229TH cG E$Other: 42.44 keV {I5} in 1987Ah05
229TH cG M$From L1/L2/L3/M1/M2/M3/N2+N3=15/25/30/3/10/9/13 in 1958Hi78;
229TH2cG ce measurement of 1982Ah08, but no conversion coefficient values were
229TH3cG given by the authors; ce(M)exp=3.3 {I5} and ce(N)exp=1.1 {I2} in
229TH4cG 1989AhZZ
229TH L 71.8213 6 7/2+ 120 PS 40 B
229TH E ?
229TH G 29.3885 8 [M1] 137.1 19 a
229TH3 G FLAG=b
229THS G LC=103.5 14$MC=24.99 35
229THS G NC=6.67 9$OC=1.580 22$PC=0.307 4$QC=0.0293 4
229TH G 42.6314 8 (M1+E2) 0.12 1 54.6 17 a
229TH3 G FLAG=b
229THS G LC=41.0 12$MC=10.11 34
229THS G NC=2.70 9$OC=0.632 20$PC=0.1193 34$QC=0.00965 14
229TH G 71.8133 16 E2 53.8 8 a
229TH3 G FL=8355734E-9
229TH3 G FLAG=b
229THS G LC=39.4 6$MC=10.81 15
229THS G NC=2.90 4$OC=0.644 9$PC=0.1066 15$QC=0.000350 5
229TH G 71.8212 [M1] 9.91 14 a
229THF G FL=0.0
229TH3 G FLAG=b
229THS G LC=7.49 10$MC=1.803 25
229THS G NC=0.481 7$OC=0.1139 16$PC=0.02211 31$QC=0.002106 29
229TH L 146.3542 5 (5/2)- 332 PS 8 D
229TH cL $configuration=|n5/2[752] Nilsson assignment
229TH E 0.207 107.569 47 0.207 10
229THS E CK=0.356 22$CL=0.456 14$CM+=0.189 5
229TH cE IE$0.24% in 1982Ah08
229TH G 74.539 4 0.072 5 [E1] 0.255 4 a
229TH2 G %IG=0.0217 16
229TH3 G FLAG=bc
229THS G LC=0.1927 27$MC=0.0470 7
229THS G NC=0.01233 17$OC=0.00277 4$PC=0.000478 7$QC=2.491E-5 35
229TH G 117.1628 9 0.150 10(E1) 0.336 5 a
229TH2 G %IG=0.0452 33
229TH3 G FLAG=c
229THS G KC=0.259 4$LC=0.0586 8$MC=0.01419 20
229THS G NC=0.00374 5$OC=0.000852 12$PC=0.0001519 21$QC=9.21E-6 13
229TH cG E$Other: 117.2 keV {I1} in 1987Ah05
229TH cG RI$Other: 0.16 {I1} in 1987Ah05
229TH G 146.3462 6 0.33 2 (E1) 0.1984 28 a
229TH2 G %IG=0.100 7
229TH3 G FL=8355734E-9
229THS G KC=0.1549 22$LC=0.0329 5$MC=0.00795 11
229THS G NC=0.002097 29$OC=0.000481 7$PC=8.69E-5 12$QC=5.62E-6 8
229TH cG E$Placement from 1982Ah08. Other: 146.4 keV {I1} in 1987Ah05
229TH L 148.163 2 (7/2-) 689 PS 34 D
229TH E 0.209 107.548 47 0.209 10
229THS E CK=0.347 23$CL=0.462 15$CM+=0.192 5
229TH cE IE$0.23% in 1982Ah08
229TH G 1.8085 2.77E-5 29 [M1] 8500 a S
229TH2 G %IG=8.4E-6 11
229TH3 G FLAG=bc
229TH cG CC$From Adopted Gammas
229TH G 76.343 8 0.044 5 [E1] 0.2396 34 a
229TH2 G %IG=0.0133 19
229TH3 G FLAG=bc
229THS G LC=0.1808 25$MC=0.0441 6
229THS G NC=0.01157 16$OC=0.00261 4$PC=0.000450 6$QC=2.365E-5 33
229TH cG RI$ Other: 0.036 {I4} in 1987Ah05
229TH G 118.9721 15 0.44 2 (E1) 0.325 5 a
229TH2 G %IG=0.133 7
229THS G KC=0.2501 35$LC=0.0563 8$MC=0.01363 19
229THS G NC=0.00359 5$OC=0.000819 11$PC=0.0001462 20$QC=8.90E-6 12
229TH cG E$Other: 119.0 keV {I1} in 1987Ah05
229TH G 148.179 10 0.0471 38 [E1] 0.1926 27 a
229TH2 G %IG=0.0142 12
229TH3 G FL=0.0
229TH3 G FLAG=c
229THS G KC=0.1504 21$LC=0.0319 4$MC=0.00770 11
229THS G NC=0.002031 28$OC=0.000466 7$PC=8.42E-5 12$QC=5.47E-6 8
229TH cG E$Other: 148.2 keV {I1} in 1987Ah05
229TH cG RI$Other: 0.062 {I6} in 1987Ah05