198HG 198AU B- DECAY (2.6941 D) 1999HE10,1991BAZS,1980IW0316NDS 201603
198HG H TYP=FUL$AUT=Huang Xiaolong and Kang Mengxiao$CIT=NDS 133, 221 (2016)$
198HG2 H CUT=1-Dec-2015$
198HG c Sources produced by {+197}Au(n,|g) (1980Da16,1981Ch35), {+197}Au(d,p)
198HG2c (1973Pa08,1980Ba14,1987Lo07), {+197}Au({+14}N,{+13}N) (1980Ni06),
198HG3c {+196}Pt(|a,np) (1980SaZY,1975Ma30), {+198}Pt(d,2n) (1975Ma30), and
198HGxc {+198}Pt(p,n) (1949St17).
198HG c 1999He10: compiled |g energies; deduced recommended |g
198HG2c calibration standards
198HG c 1994HeZZ: a consistent set of |g-ray energies is recommended for use in
198HG2c the energy calibration of |g-ray detectors.
198HG c 1991BaZS: recommend x- and |g-ray standards for
198HG2c detector calibration.
198HG c 1980De40: measure E|g with
198HG2c double-crystal transmission instruments.
198HG c 1980Iw03: measure E|g, I|g with Ge(Li).
198HG c 1973Di15: measure |g|g(|q,H).
198HG c 1992Ha02: report relative and absolute |g-ray intensities.
198HG cL |g|g(|q): 1974Ka18, 1973Di15, 1953Sc23, 1953Sc19,
198HG2cL 1964Ke02, 1964Sa11, 1966Uh01, 1967Ko13, 1968Mu02, 1969Za02, 1972Ve03,
198HG3cL 1974Ka18, and {+198}Tl |e decay
198AU P 0.0 2- 2.6941 D 2 1372.9 5
198HG N 0.9562 6 1.0 1
198HG cN NR From I(|g+ce)(to g.s.)=99.975% (I|b(to g.s.)=0.025% {I5}
198HG2cN (1955El11)). Other: 0.9557 {I47} (1991BaZS).
198HG PN 0.9562 6 3
198HG cL E$From decay scheme and E|g's by using
198HG2cL least-squares fit to E|g
198HG cL J,T$From Adopted Levels.
198HG tG
198HG tG
198HG tG x-ray intensities
198HG tG $-------------------------------------------------------------
198HG tG $ E, KeV Radiation I (expt){+a} I (expt){+b} I (expt){+c}
198HG tG $-------- ----------- --------- -------- --------------
198HG tG $ 8.722 Hg L|` x-ray 0.027 {I3} 0.025 {I3}
198HG tG $ 9.980 Hg L|a x-ray 0.592 {I17} 0.532 {I25}
198HG tG $10.467 Hg L|n x-ray 0.0105 {I15} 0.0086 {I5}
198HG tG $11.92 Hg L|b x-ray 0.643 {I19} 0.555 {I31}
198HG tG $13.92 Hg L|g x-ray 0.124 {I5} 0.104 {I8}
198HG tG $68.89 Hg K|a{-2} x-ray 0.813 {I10} 0.816 {I2} 0.842 {I24}
198HG tG $70.82 Hg K|a{-1} x-ray 1.374 {I17} 1.41 {I4} 1.44 {I4}
198HG tG $80.12 Hg K'|b1 x-ray 0.460 {I7} 0.485 {I12} 0.504 {I4}
198HG tG $82.78 Hg K'|b2 x-ray 0.135 {I3} 0.137 {I7} 0.137 {I4}
198HG tG
198HG tG $a Intensities per 100 parent decays. Values from 2010Mo06.
198HG tG $b Intensities per 100 parent decays. Values from 1989Ch45.
198HG tG $c Calculated values.
198HG tG
198HG tG
198HG tG $ Recommended x-ray intensity values 1991BaZS
198HG tG $----------------------------------------------------------
198HG tG $ E, keV Radiation Intensity{+a}
198HG tG $------------- ---------------- ----------------
198HG tG $ 68.89-70.82 Hg K|a x-ray 2.19 {I8}
198HG tG $ 80.12-82.78 Hg K|b x-ray 0.61 {I3}
198HG tG $ 68.89-82.78 Hg K x-ray 2.80 {I10}
198HG tG
198HG tG $ a Intensities per 100 parent decays.
198HG tG
198HG tG
198HG cG E From 2000He14 based on measurements of 1980De40.
198HG cG RI Relative intensities normalized to I|g(411.8|g)=100.
198HG2cG Values are from weighted average
198HG3cG of 2010Mo06, 1989Ch45 and 1980Iw03.
198HG4cG Other measurements: 1951Ca24, 1951Hu18, 1954El04, 1954Ma19,
198HG5cG 1955Dz41, 1956Vo20, 1959Wa17, 1965Ke04, 1968De30, 1971Pa06.
198HG cG |g absolute intensity ratios:
198HG2cG I|g(411|g):I|g(676|g):I|g(1088|g)=0.9556 {I65}:0.00805 {I9}:0.001595
198HGxcG {I26} (1992Ha02)
198HG cG I(K|a| x-ray)/I|g(411.8|g)=0.0229 {I5}, I(K|b|
198HG2cG x-ray)/I|g(411.8|g)=0.00635 {I15} (1975Ca15); I(K| x-ray) value is
198HG3cG consistent with decay scheme. Others: 1949St17, 1949Sa18, 1949Si19,
198HG4cG 1949Dz20, 1950Hi56, 1950Pr63, 1951Hu18, 1951Ca06, 1952Fa14, 1952Hu01,
198HG5cG 1952Mu45, 1955Bi24, 1956Co28, 1958Ba33, 1958Ka01, 1958Re22, 1960De17,
198HG6cG 1960Be11, 1960De15, 1961Hu12, 1961Ha11, 1961Wo02, 1965Wa13, 1968Bo38,
198HGxcG 1969Sa31.
198HG cG Branching I|g(1087|g)/I|g(676|g): 0.22 {I2} (1968De30), 0.20
198HG2cG {I2} (1954El04), 0.23 {I2} (1955Dz41), 0.23 {I5} (1951Ca24), 0.22 {I2}
198HG3cG (1971Pa06, {+198}Tl |e decay).
198HG cG M From |a(K)exp measurements.
198HG cB Others: 1948Sa36, 1949Dz20, 1949La06, 1949Le07, 1960St14,
198HG2cB 1961Bu18. For 961|b transition calculation: 1970Bo38, 1970Sm08,
198HG3cB 1973Bo01, 1974Kr23, 1972Sc43
198HG cB IB From intensity imbalance at each level and I|b(exp) to g.s.
198HG L 0.0 0+ STABLE
198HG B 1371 4 0.025 5 12.28 9 1U
198HGS B EAV=467.37 19
198HG cB E|b=1371 {I4}, I|b=0.025% {I5} (1955El11) (first unique
198HGxcB forbidden(1U) shape factor applied)
198HG L 411.80250172+ 23.15 PS 28
198HG CL $G=0.487 7 (1984Ha12). Other g: +0.55 11
198HG2CL (1964Ko15,1973Di15,1974Ka18) GG(THETA,H)
198HG3CL EXTERNAL H=57.15 KG; +0.36 TO +0.40 (1964Ke02,1973Ra35,1974Do01).
198HG B 98.990 9 7.3687 8 C
198HGS B EAV=314.78 19
198HG cB E|b measurements: 959.0 {I25} (1954El04),
198HG2cB 960 {I2} (1956Po28), 962 {I1} (1961De03), 964 {I3} (1961De03),
198HG3cB 960 {I3} (1962Ha25), 957 {I5} (1962Sh08), 959 {I2} (1963Le11),
198HG4cB 965 {I2} (1964Le09), 959.4 {I5} (1965Be24), 960.5 {I8} (1965Ke04),
198HG5cB 961.0 {I12} (1965Pa08), 960 {I2} (1966Pa01),
198HG6cB 963 {I4} (1967VaZZ), 966 {I1} (1972Na22). Others: 1959Wa17,
198HG7cB 1960De17, 1964Bl10, 1969KrZX.
198HG cB |b-shape factor depends on Fermi function and screening
198HG2cB correction used. For |b-shape factor (961|b) which leads to |a(K)exp
198HG3cB (412|g) in agreement with E2 theory(=0.0302), see 1965Ke04, 1965Pa08,
198HG4cB 1972Na22
198HG cB Average E|b: 317 {I15} (1956Sh37), 287 {I20} (1964Le16)
198HG cB Longitudinal |b polarization, see 1957Ca06, 1958Al97,
198HG2cB 1958Be80, 1958Ge34, 1958He38, 1960Al30, 1960Sp06, 1960Sp10, 1961Av01,
198HG3cB 1961So01, 1961Sp09, 1961Ul01, 1964Va13, 1966Va06.
198HG cB 1960Si01 measure |b transverse pol via 961|b(412|g) cascade
198HG cB 1974Ku16 measure internal, external
198HG2cB bremsstrahlung spectra (energy, yield, polarization) associated with
198HG3cB 961|b decay
198HG cB 1970Pr10 measure 412|g(|q,t) with pol {+198}Au source;
198HG2cB deduced |DJ components in 961|b transition. See energy dependence of
198HG3cB |b|g(|q), 1962Pe12, 1964Th08, 1965De18, 1967Ra28
198HG cB 961|b(Circularly Polarized(CP) |g)(|q) see 1957Be58,
198HG2cB 1958Bo72, 1958Bo90, 1960St14, 1961De05, 1962Lo03, 1973Ha08
198HG G 411.80205 17100 E2 0.0439 6 C
198HGS G KC=0.0300 5$LC=0.01055 15$MC=0.00263 4$NC+=0.000774 11
198HG cG E Others: 411.8044 (1980Iw03), 411.795 {I9} (1963Mu05,1965Mu03)
198HG2cG ce; 411.794 {I8} (1971He20) data of 1963Mu05, 1965Mu03 reevaluated.
198HG cG |a(K)exp=0.0302 {I3} from weighted average of 0.0302 {I4}
198HG2cG (1965Be07), 0.0305 {I10} (1961Pe07), 0.03035 {I45} (1973El10).
198HG4cG |a(exp)=0.0445 {I9} (1980Iw03). Other |a(K)exp: 0.0295 {I15}, 0.0305
198HG5cG {I15} (1972Sa34); 0.0311 {I12} (1969Sa31) K| x-ray/I|g; 0.0302 {I4}
198HG6cG (1965Be07); 0.0299 {I7} (1965LeZZ) |b|g coin; 0.0296 {I9} (1965LeZZ)
198HGxcG |bce coin.
198HG cG For other |a(K)exp dependent on 961|b spectrum shape factor,
198HG2cG see 1952Si25, 1959Wa17, 1962Ha25, 1963Le11, 1964Pa20, 1965Ke04,
198HGxcG 1965Pa08, 1972Na22.
198HG cG Other recommended values: |a(K)exp=0.0301 {I2},
198HGxcG |a(exp)=0.044 {I2} (1984HaZS).
198HG cG K:L1:L2:L3=673 {I13}:100:105 {I2}:45 {I1} (1959Ke20),
198HG2cG 687 {I7}:100 {I1}:101 {I1}:45 {I1} (1964He19); L1:L2:L3=100:103
198HG3cG {I1}:44.6 {I4} (1969MaZU); K:L:M:N:O=269 {I2}:100:25.2 {I5}:7.7
198HG4cG {I4}:1.8 {I2} (1959Ke20); M1:M2:M3:M4+M5=192 {I13}:221 {I15}:100:3
198HGxcG {I2}, O/N=0.21 {I3} (1972Dr02).
198HG cG 1965Pe05 deduce E2 particle parameters, |a(K)exp=0.0308
198HG2cG {I9} from |g|g(|q), |gce(|q)
198HG cG 1965Ra07 measure ce transverse pol via 961|b(ce(K) 412|g)
198HGxcG cascade
198HG L 1087.68745 2+ 40.4 PS 5
198HG B 0.986 6 7.602 4 C
198HGS B EAV=79.53 16
198HG cB E|b measurements: 290 {I15} (1951Br52). Other: 1951Ca24
198HG cB For (285|b)(676|g,1087|g)-coin, see 1951Ca24
198HG cB From 676|g(|q,t), 1970Pr10 deduced |DJ components
198HG2cB in 285|b transition
198HG G 675.8836 7 0.842 5 M1+E2 +1.07 14 0.0267 20 C
198HGS G KC=0.0216 17$LC=0.00389 24$MC=0.00091 6$NC+=0.000274 16
198HG cG |a(K)exp: 0.0224 {I19} (1954El04), 0.019 {I5} (1956Vo20).
198HG cG |g|g(|q): A{-2}=-0.290 {I17}, A{-4}=+0.187 {I29} (1973Di15);
198HG2cG A{-2}=-0.290 {I18}, A{-4}=+0.183 {I24} (1974Ka18).
198HG cG E others: 675.8874 {I19} (1980Iw03),
198HG2cG 675.878 {I18} (1964Ka17) ce spectrometer,
198HG3cG 675.879 {I18} (1971He20) semi,
198HG4cG 675.871 {I18} (1974HeYW) semi,
198HG5cG 675.8727 {I38} (1976Bo16) cryst (675.890 {I4} when
198HG6cG corrected for the {+198}Au line E|g=411.8044 or 675.886 {I4} relative
198HG7cG to 411.8020.
198HG cG MR From A{-2}=-0.290 {I16} (1971Pa06, {+198}Tl |e decay
198HG2cG (5.3 h) ). Other: 1.06 {I16} from |a(K)exp=0.0224 {I19} (1954El04).
198HG G 1087.6842 7 0.1662 19E2 0.005128 C
198HGS G KC=0.00414 6$LC=0.000751 11$MC=0.0001766 25$NC+=5.29E-5 8
198HG cG |a(K)exp: 0.00450 {I31} (1954El04), 0.0046 {I6} (1956Vo20).
198HG cG E Others: 1087.6856 {I17} (1980De40) cascade |g's,
198HG2cG 1087.69 {I3} (1964Ka17) ce spectrometer,
198HG3cG 1087.671 {I24} (1971He20) semi, 1087.663 {I24} (1974HeYW) semi.
198HG cG |a(K)exp: 0.0045 {I3} (1954El04), 0.0046 {I6} (1956Vo20).