206BI 210AT A DECAY 1981VA29,1975JA09,1969GO2325NDS 202503
206BI H TYP=FUL$AUT=F.G. KONDEV$CIT=NDS 201, 346 (2025)$CUT=21-Jan-2025$
206BI c 1981Va29,1969Go23: Sources produced by spallation of Th target by
206BI2c 660-MeV protons, followed by chemical separation; detectors:
206BI3c |a-particle spectrograph; measured: E|a, I|a
206BI c 1975Ja09: Source produced via the {+209}Bi(|a,3n) reaction with E|a=39
206BI2c MeV followed by chemical separation; detectors: 6 mm diameter Au-Si
206BI3c surface barrier detector (FWHM=16 keV at 5.3 MeV); Ge(Li) detector;
206BI4c measured: |a-|g coin., |a singles, E|a, I|a, E|g, I|g
206BI cA $%|a is from I|a({+210}Po)/I|a({+210}At) in 1969Go23
206BI cL E$From a least-squares fit to E|g
206BI cL J,T$From adopted levels
206BI cA E$From 1969Go23, unless otherwise stated
206BI cA IA$From 1981Va29
206BI cA HF$r{-0}=1.432 {I10}, unweighted averages of 1.4568 {I22} ({+206}Po),
206BI2cA 1.4343 {I25} ({+208}Po), 1.42967 {I74} ({+204}Pb) and 1.408790 {I38}
206BIxcA ({+206}Pb) from 2020Si16
206BI cG E$From |a|g coincidence (1975Ja09), unless otherwise stated
206BI cG E(E),M,MR$From adopted gammas
206BI cG E(D)$The transition was not observed in 1975Ja09
206BI cG RI$Relative to I|g(140|g)=100 in 1975Ja09
206BI DG CC$FROM BrIcc v2.3e (17-Jun-2020) 2008Ki07, "Frozen Orbitals" appr.
210AT P 0.0 (5)+ 8.1 H 4 5631.2 10
210AT cP J,T$From 2014Ba41
210AT cP QP$From 2021Wa16
210AT cP $Dominant configuration=|p(h{-9/2}{++1})~#|n(p{-1/2}{+-1})
206BI N 0.0096 6 0.00175 20
206BI cN NR$from I(|g+ce)(141.2|g)=I|a(5386|a), using |a(141.2|g,M1)=3.77 {I7}
206BI2cN and %|a=0.175 {I20}.
206BI cN BR$From 2014Ba41
206BI PN 3
206BI A 5131 2 ?
206BI cA E$unobserved in 1981Va29 and 1975Ja09
206BI L 0.0 6+ 6.243 D 3
206BI cL CONF$|p(h{-9/2}{++1})~#|n(f{-5/2}{+-1})
206BI A 5524.0 15 30.5 9 34 5
206BI L 59.908 18 4+ 7.7 US 2
206BI A 5465.5 15 7.2 3 72 10
206BI G 59.908 18 E2 72.4 10 D
206BI2 G FLAG=E
206BIS G LC=53.8 8$MC=14.25 20
206BIS G NC=3.62 5$OC=0.663 9$PC=0.0500 7
206BI L 70.75 3 3+
206BI A 5456 2 0.40 6 1.14E+0323
206BI cA E$From 1981Va29
206BI G 10.836 22 M1(+E2) 0.0031 LT 319 5 D
206BI2 G FLAG=E
206BIS G MC=242 4
206BIS G NC=62.1 10$OC=12.67 19$PC=1.506 23
206BI L 82.802 22 5+
206BI cL $Dominant configuration=|p(h{-9/2}{++1})~#|n(f{-5/2}{+-1})
206BI A 5442.0 15 28.4 15 13.9 20
206BI G 82.802 22 7.7E2 15M1(+E2) 0.05 LT 3.32 5 E
206BIS G LC=2.53 4$MC=0.597 9
206BIS G NC=0.1527 22$OC=0.0312 4$PC=0.00370 5
206BI cG E$82 keV {I1} in 1975Ja09
206BI L 141.2 5 7+
206BI A 5386 1 4.6 3 43 7
206BI G 141.2 5 100 M1+E2 -0.13 3 3.77 7 E
206BIS G KC=3.05 6$LC=0.549 10$MC=0.1297 25
206BIS G NC=0.0332 6$OC=0.00676 13$PC=0.000796 14
206BI cG E$140 keV {I1} in 1975Ja09
206BI L 166.1 9 5+
206BI cL $Dominant configuration=|p(h{-9/2}{++1})~#|n(p{-1/2}{+-1})
206BI A 5361 1 27.8 20 5.2 8
206BI G 106 1 272 54(M1) 8.63 27
206BIS G KC=7.01 22$LC=1.24 4$MC=0.291 9
206BIS G NC=0.0744 23$OC=0.0152 5$PC=0.00181 6
206BI cG M$consistent with I|a(5361|a)=I(|g+ce)(106|g+167|g) from intensity
206BI2cG balance measured in |a|g coincidence (1975Ja09)
206BI G 167 2 174 35(M1) 2.37 9
206BIS G KC=1.93 7$LC=0.336 13$MC=0.0791 30
206BIS G NC=0.0202 8$OC=0.00413 16$PC=0.000492 18
206BI L 282 4
206BI cL E$From E|a=5242 keV {I3} and Q(|a)=5631.2 keV {I10}
206BI A 5242 3 0.9 1 39 7
206BI cA E$From 1981Va29
206BI L 352.69 3 (3,4)+
206BI A 5175 4 0.21 6 67 21
206BI cA E$From 1981Va29
206BI G 281.923 23 M1(+E2) 0.10 LT 0.545 9 D
206BI2 G FLAG=E
206BIS G KC=0.444 8$LC=0.0773 11$MC=0.01817 26
206BIS G NC=0.00465 7$OC=0.000949 14$PC=0.0001127 17
206BI G 292.799 30 M1(+E2) 0.4 LT 0.471 26 D
206BI2 G FLAG=E
206BIS G KC=0.404 6$LC=0.0699 10$MC=0.01642 23
206BIS G NC=0.00420 6$OC=0.000858 12$PC=0.0001022 14