159TB 159DY EC DECAY 12NDS 201201
159TB H TYP=FUL$AUT=C. W. Reich$CIT=NDS 113, 157 (2012)$CUT=31-Dec-2010$
159TB D DATA SET UPDATED (JANUARY, 2011) BY CW REICH TO INCLUDE NEW CC
159TB2D VALUES, MODIFIED RI VALUES AND COMMENTS.
159TB c The decay scheme is from 1963Ry02 and later authors.
159TB c The many reports related to the {+159}Dy |e decay include measurements
159TB2c of the |g-ray energies and the x- and |g-ray intensities
159TB3c (1957Mi67,1959Ke28,1960Gr20,1960Vi03,1961Bi09,1962Ry03,1963Ry02,1970Mc2
159TB4c 1,1971Le06,1972Se24,1973Ge09,1973Ni07); I(|e) to a specific level
159TB5c (1959Ke28,1960Gr20,1961Bi09,1963Ry02,1970Mc21,1970Sh09,1972Se24); level
159TB6c half-lives (1961Be30,1961Be37); {+159}Dy half-life
159TB7c (1961Bj02,1963Ho15,1963Ra15); |g mixing ratios
159TB8c (1957Mi67,1960Gr20,1963Ry02,1965Ba37,1970Mc21); and Q(|e)
159TB9c (2009AuZZ,(1968My01)).
159TB D Experimental methods:
159TB D Most sources made by 159TB(P,N).
159TB D 1957Mi67: Measured ce's in spectrographs. Report 5 I(ce)'s for 58 G's.
159TB D 1959Ke28: Measured G's with NaI(Tl). Report EG, IG for 4 G's & Kx.
159TB D 1960Gr20: Measured X and G spectrum. Report |a{-K}(exp)(58).
159TB D 1960Vi03: Measured I(Lx)/I(Kx) ratio.
159TB D 1961Be30: Measured X-ce(t). Report T1/2(58).
159TB D 1961Be37: Measured X-ce(t). Report T1/2(58). Same data as in 1961Be30.
159TB D 1961Bi09: Source from spallation of Ta with 660-MeV p. Measured X and
159TB2D G spectrum. Report I(Kx)/IG(58), (L capt)/(K capt) to 58
159TB3D level, and I(EC) to 58 level.
159TB D 1962Ry03: Measured ce. Report 5 G's.
159TB D 1963Ho15: Report T{-1/2}({+159}Dy).
159TB D 1963Ra15: Report T{-1/2}({+159}Dy).
159TB D 1963Ry02: Measured G and ce spectra. Report 5 EG, 3 IG, |d(58),
159TB2D and I(EC) to each level.
159TB D 1965Ba37: Reevaluated L-subshell ratios to deduce |d(58).
159TB D 1968My01: Report I(EC)(363)/I(EC)(348) ratio and 15-keV G.
159TB D 1970Mc21: Report |a{-K}(exp)(58) and I(EC)(58).
159TB D 1970Sh09: Report I(EC)(137).
159TB D 1971Le06: Report I(L capt)/I(K capt) to ground state.
159TB D 1972Se24: Report I(Kx)/IG(58) ratio, I(EC)(0), and PG(58).
159TB D 1973Ge06: Report P{-K}(58).
159TB D 1973Ni07: Report RI(L|a)/I(Ll).
159TB D 1996Gu09: Report P{-K}(0) and P{-K}(58).
159TB cE IE$From individual measurements for each level.
159TB cG E$From {+159}Tb Adopted |g radiations and truncated to 0.1~keV.
159TB cG RI$Based on I(|e) values for each level and |g branching from the
159TB2cG level; see individual comments.
159TB cG RI$I(K| x ray)/I|g(58)=42.7 {I13} (1972Se24). Others: 38 {I6}
159TB2cG (1959Ke28), 35 {I+5-6} (1960Gr20), and 53 (1961Bi09).
159TB cG RI$|eL(exp)/|eK(exp)=0.198~{I9} (1971Le06). Other: 0.213~{I21}
159TB2cG (1972NiZQ).
159TB cG M,MR$From {+159}Tb Adopted |g radiations.
159TB cL J$From {+159}Tb Adopted Levels.
159TB cL E$From {+159}Tb Adopted Levels and truncated to 0.1~keV.
159TB cL T$From measurements from {+159}Dy |e decay only; see {+159}Tb Adopted
159TB2cL Levels for all measurements.
159DY P 0 3/2- 144.4 D 2 365.6 12
159TB N 1.00 1.0 1.0
159TB cN NR$based on I(|e)(58)=26.6% {I14} and |a=11.0 for M1+1.40% E2 for the
159TB2cN 58 G.
159TB PN 3
159TB L 0 3/2+ STABLE
159TB E 73.4 14 7.22
159TBS E CK=0.8037 $CL=0.15081 $CM+=0.04553
159TB cE IE$From I(|e)(0)=74.0% {I13} (1972Se24) and I(|e)(58)=26.8% {I14}
159TB2cE (1970Mc21) renormalized to give a total of 100%.
159TB L 58.0 5/2+ 0.13 NS 4
159TB cL T$From 1961Be30 (and 1961Be37, by same author).
159TB E 26.6 14 7.49
159TBS E CK=0.7947 $CL=0.15745 $CM+=0.04787 5
159TB cE IE$From I(|e)(0)=74.0% {I13} (1972Se24) and I(|e)(58)=26.8% {I14}
159TB2cE (1970Mc21) renormalized to give a total of 100%.
159TB cE $ce(K)/(|g+ce)=0.803~{I32} (1973Ge06)
159TB G 58.0 2.27 13M1+E2 +0.119 2 10.73
159TBS G KC=8.80 13$LC=1.503 22$MC=0.333 5$NC+=0.0886 13
159TBS G NC=0.0765 12$OC=0.01146 17$PC=0.000663 10
159TB cG RI$From I(|e)(58)=26.6% and |a(58). From I(|g+ce)(58|g) from 1963Ry02
159TB2cG and |a, I|g=2.2~{I3}.
159TB L 137.4 7/2+
159TB E 0.0028 6 10.34 1U
159TBS E CK=0.6003 18$CL=0.2979 13$CM+=0.1019 5$
159TB cE IE$From 1970Sh09.
159TB G 79.4 4.6E-4 6 M1+E2 +0.126 8 4.30
159TBS G KC=3.57 5$LC=0.569 10$MC=0.1255 23$NC+=0.0335 6
159TBS G NC=0.0289 5$OC=0.00438 8$PC=0.000266 4
159TB cG RI$Weighted average of: 4.9|*10{+-4}~{I6}, from
159TB2cG [I(|e)(137)-I(|g+ce)(137.5|g)+I|g(210|g+226|g)/(1+|a(79.4|g)); and
159TB3cG 2.8|*10{+-4}~{I15}, from I(|g+ce)(79.4|g) and |a(79.4|g) from 1963Ry02.
159TB G 137.5 1.1E-4 3 [E2] 0.828
159TBS G KC=0.476 7$LC=0.272 4$MC=0.0640 9$NC+=0.01632 23
159TBS G NC=0.01440 21$OC=0.00190 3$PC=2.49E-5 4
159TB cG RI$From intensity balance within the level scheme. From I(|g+ce)(137|g)
159TB2cG from 1963Ry02 and |a, I|g=1.1|*10{+-4}~{I8}.
159TB L 348.1 5/2+
159TB E 0.0012 1 8.25
159TBS E CL=0.53 3$CM+=0.47 3
159TB G 210.8 4.E-5 2 [M1,E2] 0.23 4
159TBS G KC=0.18 5$LC=0.039 7$MC=0.0088 17$NC+=0.0023 4
159TBS G NC=0.0020 4$OC=0.00029 4$PC=1.2E-5 5
159TB cG RI$From 1963Ry02.
159TB G 290.2 1.37E-4 46[M1+E2] 0.091 23
159TBS G KC=0.074 22$LC=0.0135 3$MC=0.00301 5$NC+=0.000797 14
159TBS G NC=0.000690 10$OC=0.000102 6$PC=5.2E-6 20
159TB G 348.1 9.5E-4 10M1+E2 0.43 +10-9 0.0654 22
159TBS G KC=0.0549 20$LC=0.00819 15$MC=0.00180 3$NC+=0.000481 9
159TBS G NC=0.000414 8$OC=6.32E-5 13$PC=3.99E-6 16
159TB L 363.5 3 5/2-
159TB E 0.00019 5 6.1+6-9
159TB cE E$Since decay energy is only 2~keV, no capture fractions are given.
159TB cE IE$From I(|e)(348) and I(|e)(363)/I(|e)(348)=0.162 {I38} (1968My01).
159TB cE LOGFT$Calculated with E(|e)=2.0 {I10} keV, assuming no M{-1} shell
159TB2cE capture.
159TB G 15.4 [E1] 9.03
159TB cG E$Observed in |g|g coincidences by 1968My01.
159TB G 226.0 3.6E-6 2 E1 0.0341
159TBS G KC=0.0289 4$LC=0.00411 6$MC=0.000893 13$NC+=0.000237 4
159TBS G NC=0.000204 3$OC=3.06E-5 5$PC=1.779E-6 25
159TB cG RI$Calculated from I(|e)=0.00019 and I|g from {+159}Gd |b{+-} decay for
159TB2cG |g's at 226, 305 and 363~keV, with all assumed to be E1's.
159TB G 305.5 1.08E-6 8 E1 0.01582
159TBS G KC=0.01343 19$LC=0.00188 3$MC=0.000407 6$NC+=0.0001084 16
159TBS G NC=9.35E-5 13$OC=1.409E-5 20$PC=8.51E-7 12
159TB G 363.5 5.5E-5 3 E1 0.01033
159TBS G KC=0.00878 13$LC=0.001216 17$MC=0.000264 4$NC+=7.03E-5 10
159TBS G NC=6.06E-5 9$OC=9.17E-6 13$PC=5.64E-7 8