214BI 214PB B- DECAY 1991Be06 21NDS 202106
214BI H TYP=FUL$AUT=Shaofei Zhu and E. A. McCutchan$CIT=NDS 175, 1 (2021)$
214BI2 H CUT=1-May-2021$
214BI c 2004Mo07: {+226}Ra(|a) radioactivity in equilibrium; measured
214BI2c absolute {+226}Ra |a strength; measured absolute I|g; Ge(Li) and HPGe
214BI3c detectors for |g measurements; ZnS scintillator and |a-spectrometer
214BI4c for |a measurements.
214BI c 2002De03: {+226}Ra(|a) radioactivity in equilibrium; measured
214BI2c relative I|g; one planar p-type HPGe and one coaxial n-type HPGe.
214BI c 1991Be06: {+226}Ra radioactivity in equilibrium; Ice measurement
214BI2c using an 1000 |mm thick surface-barrier Si detector; |g|g(|q)
214BI3c measurement using four 28% efficiency HPGe detectors; |b|g|g(t)
214BI4c measurement using a BaF{-2}, a plastic and a HPGe detector; E|g
214BI5c measurement using a LEPS detector; |g|g measurement using two HPGe
214BI6c and one LEPS detectors. Determined levels; J|p; T{-1/2}; |g-mult. and
214BI7c |d.
214BI c Other E|g and absolute I|g: 1998Mo14, 1991Li11, 1983Sc13, 1983Ol01.
214BI c Other E|g and relative I|g: 2002MoZP, 2000Sa32, 1983Bu14, 1983Ol01,
214BI2c 1983Sc13, 1982Fa10, 1981We18, 1979Hn02, 1977Zo01, 1975Ha31, 1972ClZS,
214BI3c 1970Mo28, 1969Li10, 1969Gr33, 1969Wa27, 1967Ma51, 1964Ew04, 1964Hy02,
214BI4c 1954Ml80, 1952Mu45.
214BI c |g|g measurements: 1990Mo08, 1982Ak03.
214BI c Ice measurements: 1957Ni11, 1954Ml77, 1954Ml80, 1953Ka40, 1952Be78,
214BI2c 1951Ka32.
214BI c Level T{-1/2} measurements: 2011ReZZ, 1984Pe13.
214BI c For near-zero energy electrons (e{-0}) measurements: 2006Va02.
214BI c X rays(Bi):
214BI c I(K|a1| x ray)=10.13% {I8}; I(K|a2| x ray)=6.02% {I5} (2004Mo07).
214BI2c Others: I(K|a| x ray)=16.3% {I4} (1983Sc13); 17.3% {I20} (1969Li10)
214BI c I(K|b| x ray)=4.23% {I10} (2004Mo07). Others: I(K|b| x ray)=4.94%
214BI2c {I12} (1983Sc13); 4.3% {I8} (1969Li10).
214BI cB IB$From intensity balance, experimental values are given in comments.
214BI cG RI$Relative intensities are normalized to I|g(609)=100 with {+226}Ra
214BI2cG or {+222}Rn in equilibrium.
214BI cL E$From a least square fit to E|g's.
214BI cL J$From Adopted Levels.
214BI D CC$FROM BrIcc v2.3e (17-Jun-2020) 2008Ki07, "Frozen Orbitals" appr.
214PB P 0.0 0+ 27.06 M 7 1018 11
214PB cP T$From Adopted Levels of {+214}Pb
214PB cP QP$From 2021Wa16.
214BI N 0.4545 19 1 1
214BI cN NR$Deduced from I|g(609)=45.45 {I19} (weighted average of 45.0 {I7}
214BI2cN (1983Ol01), 44.6 {I5} (1983Sc13), 46.1 {I5} (1991Li11), 44.8 {I6}
214BI3cN (1998Mo14), 45.57 {I18} (2004Mo07)) per 100 {+214}Bi |b{+-} decays
214BI4cN with {+226}Ra or {+222}Rn in equilibrium.
214BI PN 4
214BI G 107.22 9 0.015 3
214BI cG E,RI$from 1990Mo08.
214BI G 137.5 3 0.12 3
214BI cG E$from 1969Li10.
214BI cG RI$weighted average of 0.10 {I4} (2000Sa32) and 0.14 {I5} (1969Li10).
214BI G 141.3 6 0.06 3
214BI cG E$from 1969Li10.
214BI cG RI$from 2000Sa32.
214BI G 170.07 6 0.032 6
214BI cG E,RI$from 1990Mo08.
214BI G 216.47 7 0.022 5
214BI cG E,RI$from 1990Mo08
214BI G 470.6 8 0.024 6
214BI cG E$from 1969Li10.
214BI cG RI$weighted average of 0.024 {I7} (2000Sa32) and 0.023 {I9}
214BI2cG (1969Li10).
214BI G 766.0 2 0.12 2
214BI cG E$weighted average of 766.0 {I4} (1969Li10), 766.1 {I4} (1982Ak03)
214BI2cG and 765.96 {I21} (1990Mo08).
214BI cG RI$weighted average of 0.27 {I9} (1982Ak03), 0.17 {I3} (1990Mo08) and
214BI2cG 0.11 {I1} (2000Sa32).
214BI L 0.0 1- 19.71 M 2
214BI cL T$from the Adopted Levels.
214BI B 12.7 9 6.26 4
214BIS B EAV=334.5 42
214BI cB E$1030 {I60} measured by 1956Da28.
214BI cB IB$from intensity balance. %I|b{+-}=6.3 {I20} from 1956Da28.
214BI2cB %I|b{+-}<10 was measured by 1957Ni11.
214BI L 53.2260 15 2- 15 PS LE
214BI cL T$|g|g(t) fast timing with LaBr{-3}(Ce) (2011ReZZ); Other: <0.1 ns
214BI2cL from |b|g|g(t) (1991Be06); 0.52 ns {I15} from |b|g|g(t) (1984Pe13).
214BI G 53.2256 16 2.362 22 M1+E2 0.038 +26-18 12.20 35
214BIS G LC=9.32 26$MC=2.20 7$NC=0.562 17$OC=0.1146 32$PC=0.01356 27
214BI cG E$weighted average of 53.2260 {I14} (1952Mu45), 53.2230 {I21}
214BI2cG (1991Be06) and 53.232 {I4} (2002MoZP).
214BI cG RI$weighted average of 2.49 {I12} (1983Sc13), 2.329 {I23} (2002De03)
214BI2cG and 2.383 {I20} (2002MoZP).
214BI cG M,MR$from the Adopted Gammas with L1:L2:L3=650:124:10.1 (1954Ml77);
214BI2cG L1/L2=10 {I3}, L1/L3=85 {I15} (1957Ni11).
214BI L 62.68 5 (2-,3-)
214BI G 9.5 S
214BI cG E$deduced from level energy difference; transition not observed, but
214BI2cG expected to be the dominant decay path (1991Be06).
214BI cG $Intensity balance at the 62.68-keV level yields
214BI2cG I(|g+ce)(62.7|g)+I(|g+ce)(9.5|g)=0.314 {I25}.
214BI cG $The transition E|g=62.7 was not observed; 1991Be06 set a limit for
214BI2cG its intensity: I|g(62.7|g)/I|g(53.23|g)<0.003.
214BI L 258.869 24 (2)-
214BI G 196.20 5 0.15 2
214BI G 205.68 9 0.025 3
214BI cG E,RI$from 1990Mo08
214BI cG E,RI$from 1990Mo08.
214BI G 258.86 4 1.169 9 M1 0.696 10
214BIS G KC=0.567 8$LC=0.0983 14$MC=0.02310 32$NC=0.00591 8$OC=0.001207 17$
214BIS G PC=0.0001437 20
214BI cG E$weighted average of 258.82 {I10} (1969Li10) and 258.87 {I4}
214BI2cG (1990Mo08).
214BI cG RI$weighted average of 1.23 {I6} (1990Mo08), 1.14 {I3} (1991Li11),
214BI2cG 1.17 {I3} (1998Mo14), 1.15 {I4} (2000Sa32) and 1.171 {I9} (2002De03).
214BI cG M$K/L1=5.7 (1954Ml77), assuming 10% uncertainty by evaluator;
214BI2cG |a(K)exp|?0.58; deduced |d=0.0 {I25} (1954Ml77,1991Be06).
214BI B 0.075 20 8.04 12
214BIS B EAV=238.3 40
214BI L 295.2236 19 1- 0.05 NS LE
214BI cL T$from |b|g|g(t) (1991Be06). Other:|<0.10 ns from |b|g(t) (1984Pe13).
214BI G 241.995 4 15.98 5 M1+E2 0.50 +8-7 0.718 33
214BIS G KC=0.568 31$LC=0.1138 20$MC=0.0272 4$NC=0.00696 11$OC=0.001402 24$
214BIS G PC=0.000159 4
214BI cG E$weighted average of 241.924 {I30} (1952Mu45), 241.981 {I8}
214BI2cG (1977Zo01), 241.9983 {I30} (1991Be06) and 241.995 {I4} (2002MoZP).
214BI cG RI$weighted average of 16.0 {I3} (1983Sc13), 16.23 {I10} (1990Mo08),
214BI2cG 16.1 {I3} (1991Li11), 15.7 {I3} (1998Mo14), 16.1 {I1} (2000Sa32),
214BI3cG 15.90 {I5} (2002De03) and 15.98 {I6} (2002MoZP).
214BI cG M,MR$K:L1:L2=425:78:17.1 (1954Ml77); K/L=5.30 {I15} (1957Ni11);
214BI2cG |a(K)exp=0.73 {I16}, |a(L)exp=0.104 {I26} (1991Be06);
214BI3cG (242|g)(53|g)(|q): A{-2}=+0.194 {I24}, A{-4}=-0.03 {I3} (1991Be06).
214BI G 295.224 2 40.64 18 M1+E2 0.39 7 0.438 16
214BIS G KC=0.352 15$LC=0.0650 14$MC=0.01541 30$NC=0.00394 8$OC=0.000800 17$
214BIS G PC=9.30E-5 26
214BI cG E$weighted average of 295.217 {I39} (1952Mu45), 295.213 {I8}
214BI2cG (1977Zo01), 295.226 {I2} (1991Be06) and 295.219 {I5} (2002MoZP).
214BI cG RI$weighted average of 41.3 {I9} (1983Ol01), 40.8 {I8} (1983Sc13),
214BI2cG 41.85 {I26} (1990Mo08), 41.9 {I6} (1991Li11), 40.0 {I7} (1998Mo14),
214BI3cG 40.8 {I12} (2000Sa32), 40.36 {I12} (2002De03) and 40.61 {I13}
214BI4cG (2002MoZP).
214BI cG M,MR$K/L1=6.5, K/L2=39, K/M1=28 (1954Ml77), 5.55 {I15} (1957Ni11);
214BI2cG |a(K)exp=0.418 {I38}, |a(L)exp=0.082 {I10} (1991Be06).
214BI B 39.0 5 5.250 24
214BIS B EAV=225.3 40
214BI cB $E=730, %I|b=75 was measured by 1952Be78 and E=650 {I10}, %I|b=44 by
214BI2cB 1953Ka40.
214BI L 351.9323 21 0-,1- 0.10 NS LE
214BI cL T$from |b|g(t) (1984Pe13).
214BI G 351.9320 21 78.6 4 M1+E2 0.49 10 0.257 15
214BIS G KC=0.207 13$LC=0.0384 14$MC=0.00911 30$NC=0.00233 8$OC=0.000472 17$
214BIS G PC=5.47E-5 25
214BI cG E$weighted average of 351.992 {I62} (1952Mu45), 351.921 {I8}
214BI2cG (1977Zo01), 351.9319 {I19} (1991Be06) and 351.939 {I6} (2002MoZP).
214BI cG RI$weighted average of 79.6 {I17} (1983Ol01), 78.7 {I13} (1983Sc13),
214BI2cG 81.48 {I48} (1990Mo08), 81.6 {I12} (1991Li11), 77.5 {I14} (1998Mo14),
214BI3cG 78.5 {I24} (2000Sa32), 78.16 {I23} (2002De03) and 78.34 {I23}
214BI4cG (2002MoZP).
214BI cG M,MR$K/L1=5.9, K/L2=33, K/M1=26 (1954Ml77), K/L=5.65 {I15}
214BI2cG (1957Ni11); |a(K)exp=0.280 {I23}, |a(L)exp=0.049 {I5} (1991Be06).
214BI cG $56.84- and 298.76-keV |g decays not observed, tentatively placed by
214BI2cG 1969Li10. A ce line observed by 1954Ml77 at 40.30 keV was interpreted
214BI3cG by 1969Li10 as the L1 of 56.84|g.
214BI B 44.5 7 5.07 3
214BIS B EAV=205.1 39
214BI cB $E=670 {I20}, %I|b=25 was measured by 1952Be78 and E=590 {I10},
214BI2cB %I|b=56 by 1953Ka40.
214BI L 377.03 4 (2-)
214BI G 314.32 7 0.164 20
214BI cG E$From 1990Mo08.
214BI cG RI$weighted average of 0.17 {I2} (1990Mo08) and 0.158 {I20}
214BI2cG (2000Sa32).
214BI G 323.83 4 0.063 8
214BI cG E$From 1990Mo08.
214BI cG RI$weighted average of 0.060 {I7} (1990Mo08) and 0.084 {I20}
214BI2cG (2000Sa32).
214BI L 533.672 14 (1-)
214BI G 274.80 5 0.739 18 M1 0.590 8
214BIS G KC=0.481 7$LC=0.0833 12$MC=0.01957 27$NC=0.00501 7$OC=0.001023 14$
214BIS G PC=0.0001218 17
214BI cG E$weighted average of 274.8 {I1} (1969Li10), 274.78 {I24} (1982Ak03)
214BI2cG and 274.80 {I5} (1990Mo08).
214BI cG RI$weighted average of 0.84 {I5} (1990Mo08), 0.732 {I11} (1998Mo14)
214BI2cG and 0.83 {I8} (2000Sa32).
214BI cG M,MR$K/L1=6.4 (1954Ml77) assuming 10% uncertainty by evaluator;
214BI2cG |a(K)exp|?0.52 deduced |d=0.00 {I2} (1954Ml77,1991Be06),
214BI3cG (275|g)(259|g)(|q): A{-2}=+0.13 {I6}, A{-4}=-0.04 {I9} (1991Be06).
214BI G 480.43 2 0.741 10 M1 0.130318
214BIS G KC=0.1066 15$LC=0.01818 25$MC=0.00427 6$NC=0.001091 15$
214BIS G OC=0.0002230 31$PC=2.66E-5 4
214BI cG E$weighted average of 480.5 {I2} (1969Li10), 480.54 {I16} (1982Ak03)
214BI2cG and 480.43 {I2} (1990Mo08).
214BI cG RI$weighted average of 0.71 {I5} (1990Mo08), 0.694 {I25} (1991Li11),
214BI2cG 0.75 {I4} (1998Mo14), 0.74 {I3} (2000Sa32) and 0.749 {I10} (2002De03).
214BI cG M,MR$from (480|g)(53|g)(|q): A{-2}=+0.16 {I6}, A{-4}=+0.03 {I9}
214BI2cG deduced |d=0.00 {I+19-17} (1991Be06).
214BI G 533.66 2 0.397 20
214BI cG E$weighted average of 533.8 {I2} (1969Li10), 533.71 {I16} (1982Ak03)
214BI2cG and 533.66 {I2} (1990Mo08).
214BI cG RI$weighted average of 0.39 {I3} (1990Mo08), 0.403 {I20} (1991Li11)
214BI2cG and 0.39 {I3} (2000Sa32).
214BI cG $181.5- and 238.4-keV |g decays tentatively assigned by 1969Li10. Not
214BI2cG observed by others. A ce line observed by 1954Ml77 at 90.96 was
214BI3cG interpreted by 1969Li10 as being the K of a 181.5|g.
214BI B 1.063 18 6.23 4
214BIS B EAV=142.8 37
214BI L 797.30 8 ?
214BI G 538.43 8 0.042 6 ?
214BI cG E$weighted average of 538.7 {I4} (1969Li10), 538.47 {I24} (1982Ak03)
214BI2cG and 538.41 {I8} (1990Mo08).
214BI cG RI$weighted average of 0.038 {I9} (1982Ak03), 0.044 {I6} (1990Mo08)
214BI2cG and 0.037 {I20} (2000Sa32).
214BI L 838.994 22 1+
214BI G 305.26 3 0.070 5
214BI cG E$from 1990Mo08.
214BI cG RI$weighted average of 0.075 {I16} (1982Ak03), 0.068 {I5} (1990Mo08)
214BI2cG and 0.080 {I15} (2000Sa32).
214BI G 462.01 7 0.467 14
214BI cG E$weighted average of 462.1 {I2} (1969Li10) and 462.00 {I7}
214BI2cG (1990Mo08).
214BI cG RI$weighted average of 0.40 {I4} (1990Mo08), 0.479 {I20} (1991Li11)
214BI2cG and 0.470 {I14} (2000Sa32).
214BI G 487.11 7 0.952 12 (E1) 0.0104615
214BIS G KC=0.00863 12$LC=0.001406 20$MC=0.000328 5$NC=8.33E-5 12$
214BIS G OC=1.676E-5 23$PC=1.909E-6 27
214BI cG E$weighted average of 487.25 {I20} (1969Li10) and 487.90 {I7}
214BI2cG (1990Mo08).
214BI cG RI$weighted average of 0.83 {I7} (1990Mo08), 0.92 {I4} (1991Li11),
214BI2cG 0.96 {I4} (1998Mo14), 0.90 {I5} (2000Sa32) and 0.961 {I12} (2002De03).
214BI cG M$|a(K)exp<0.024 (1954Ml77,1991Be06); (487|g)(352|g)(|q): A{-2}=-0.01
214BI2cG {I3}, A{-4}=-0.01 {I4} (1991Be06).
214BI G 543.82 7 0.11 2
214BI cG E$weighted average of 544.0 {I3} (1969Li10) and 543.81 {I7}
214BI2cG (1990Mo08).
214BI cG RI$weighted average of 0.15 {I2} (1990Mo08) and 0.10 {I1} (2000Sa32).
214BI G 580.13 3 0.811 12 (E1) 0.0073210
214BIS G KC=0.00605 8$LC=0.000970 14$MC=0.0002257 32$NC=5.74E-5 8$
214BIS G OC=1.158E-5 16$PC=1.331E-6 19
214BI cG E$weighted average of 580.3 {I2} (1969Li10), 580.11 {I16} (1982Ak03)
214BI2cG and 580.13 {I3} (1990Mo08).
214BI cG RI$weighted average of 0.79 {I11} (1982Ak03), 0.76 {I6} (1990Mo08),
214BI2cG 0.76 {I3} (1991Li11), 0.84 {I4} (1998Mo14), 0.74 {I4} (2000Sa32) and
214BI3cG 0.823 {I11} (2002De03).
214BI cG M$|a(K)exp<0.024 (1954Ml77,1991Be06); (580|g)(259|g)(|q): A{-2}=+0.16
214BI2cG {I4}, A{-4}=-0.06 {I6} (1991Be06).
214BI G 785.96 9 2.33 17 E1 0.004066
214BIS G KC=0.00337 5$LC=0.000527 7$MC=0.0001222 17$NC=3.11E-5 4$OC=6.30E-6 9$
214BIS G PC=7.35E-7 10
214BI cG E,RI$from 1990Mo08.
214BI cG M$|a(K)exp<0.009 (1954Ml77,1991Be06), (786|g)(53|g)(|q): A{-2}=+0.21
214BI2cG {I8} (1991Be06).
214BI G 839.06 9 1.278 23 (E1) 0.003595
214BIS G KC=0.00299 4$LC=0.000465 7$MC=0.0001077 15$NC=2.74E-5 4$OC=5.56E-6 8$
214BIS G PC=6.49E-7 9
214BI cG E$weighted average of 839.2 {I2} (1969Li10), 839.03 {I16} (1982Ak03)
214BI2cG and 839.04 {I9} (1990Mo08).
214BI cG RI$weighted average of 1.29 {I10} (1990Mo08), 1.27 {I3} (1991Li11)
214BI2cG and 1.29 {I4} (2000Sa32).
214BI cG M$from its ce lines not observed.
214BI B 2.75 8 4.43 9
214BIS B EAV=48.0 32
214BI L 888.03 10 ?
214BI G 511.00 9 0.033 9 ?
214BI cG $The 511.0|g was observed to be in direct coincidence with the 324-
214BI2cG and 314-keV |g transitions, and placed by 1990Mo08 between a level at
214BI3cG 888 keV and the 377-keV level. The authors of 1990Mo08 consider this
214BI4cG placement, and therefore existence of the proposed level at 888 keV,
214BI5cG to be questionable.
214BI B 0.015 4 6.26 17
214BIS B EAV=34.2 31