186TL 186TL IT DECAY 1981KR20,1977BE23,1977CO2122NDS 202207
186TL H TYP=FUL$AUT=J. C. Batchelder and A. M. Hurst, M. S. Basunia$
186TL2 H CIT=NDS 183, 1 (2022)$CUT=1-Mar-2022$
186TL c Other: 2020St11
186TL c 2020St11: {+186}Tl from U(p, X), E=1.4 GeV spallation reaction;
186TL2c measured E|g, I|g; spede spectrometer and five HPGe clover detectors.
186TL3c Deduce half-lives of {+186}Tl (2-) ground state and (10-) isomer, upper
186TL4c limit of %IT decay and lower limit of %|b+ branching ratios from the
186TL5c decay of the (10-) isomer of {+186}Tl.
186TL cL E$From adopted levels.
186TL P 414 39 (10-) 3.32 S 11
186TL cP E$Weighted average of 451 keV {I56} (2020St11 - if x=77 keV {I56})
186TL2cP and 396 keV {I39} from mass measurement in 2014Bo26,
186TL3cP uncertainty is the lowest input value.
186TL dG CC$From BrIcc v2.3b (16-Dec-2014) 2008Ki07, "Frozen Orbitals" appr.
186TL N 1.0 0.941 GT
186TL cN NR Based on isomer decay branching.
186TL PN 3
186TL L 40 39 (7+) 27.5 S 10
186TL cL T From Adopted Levels.
186TL L 129 39
186TL cL J$(6+) in 2020St11.
186TL L 396 39
186TL cL J$(7+) in 2020St11.
186TL G 266.5 1 0.55 5[M1+E2] 0.35 20
186TL2 G FL=129
186TLS G KC=0.26 18$LC=0.065 10$MC=0.0159 17
186TLS G NC=0.0040 5$OC=0.00075 12$PC=5.6E-5 26
186TL cG E$From 2020St11
186TL cG RI$From 2020St11.
186TL cG M$Assumed to estimate the total transition intensity of 266.5|g in
186TL2cG 2020St11.
186TL L 414 39(10-) 3.32 S 11 M1
186TL2 L %IT=100
186TL cL T$From Adopted Levels. Others: 3.40~s~{I9} (374|g(t), ce(t) -
186TL2cL 2020St11), 3~s {I1} (374|g(t) - 1977Be23), 4.5~s {I13} (374|g(t) -
186TL3cL 1977Co21), and 4.5~s {I+10-15} (374|g(t) - 1975Ha27).
186TL G 18.2 4 4.8e-7 14(E3) 3.3e6 5 S
186TL2 G FL=396
186TL cG E From level energy difference.
186TL cG TI$1.6~{I4}, estimated value in 2020St11 based on data in the
186TL2cG literature, assuming transition multipolarity E3 for 18.2|g and
186TL3cG conversion coefficient of 3.3 |* 10{+6} {I5}.
186TL G 374.2 1 99.45 E3 0.249 4
186TLS G KC=0.1008 15$LC=0.1104 16$MC=0.0291 4
186TLS G NC=0.00735 11$OC=0.001305 19$PC=6.71E-5 10
186TL cG E From 2020St11
186TL cG RI$From 100/(1+0.249)
186TL cG M$from |a(K)exp=0.095 {I17} (weighted average of 0.095 {I20}
186TL2cG (1977Be23), 0.17 {I7} (1977Co21), and 0.07 {I4} (1981Kr20)). Also
186TL3cG K/L=1.5 {I9} (1977Co21).