183HG    187PB A DECAY (15.2 S)        1981MI12                  16NDS    201604
183HG  H TYP=FUL$AUT=CORAL M. BAGLIN$CIT=NDS 134, 149 (2016)$CUT=15-Apr-2015$
183HG C  Decay scheme based on AG coincidence measurements on a mass separated
183HG2C  source. Substantial EC decay branch could not be quantified by 1981MI12
183HG3C  due to similar 187PB GS+isomer half-lives and unknown |a branching
183HG4C  ratios of the 187TL daughters.
183HG C  FOR THIS DECAY, QxBR=450 129.
183HG CA E,IA      From 1981MI12. Intensities are given per 100 parent
183HG2CA A DECAYS, based on I(6194A):I(5993A)=21.5 15:14.5 10 (1981MI12).
183HG CA HF        If R0=1.496 15 (based on R0(182HG)=1.50 2, R0(184HG)=1.491 14
183HG2CA in 1998AK04), %A=7 2, QA=6395 7 and T=15.2 S 3 for 187PB parent.
183HG DG CC$FROM BrIcc v2.3 (29-Mar-2013) 2008Ki07, "Frozen Orbitals" appr.
183HG CL E         From least-squares fit to EG.
183HG CL J         From Adopted Levels.
183HG CL T         Based on observation of prompt |a-|g coin (FWHM=16 NS time
183HG2CL distribution) (1981MI12).
187PB  P 33        13  (3/2-)              15.2 S 3               6393     6
187PB CP E         3/2- GS, 33 KEV 13 BELOW 13/2+ STATE IN 187PB FROM MASS
187PB2CP MEASUREMENTS (2005WE11), or 3/2- LEVEL 2 KEV 15 ABOVE A 13/2+ 187PB
187PB3CP GS FROM 191PO |a DECAY (2002AN19), implying E(13/2+) LEVEL
187PB4CP IN 183HG at 216 16 or 185 18. The former is preferred by 2013SA43
187PB5CP BECAUSE THE 183HG 13/2+ LEVEL PRESUMABLY MUST DEEXCITE TO THE
187PB6CP 9/2 7/2[514] LEVEL KNOWN FROM Adopted Levels, Gammas TO LIE 105 KEV
187PB7CP ABOVE THE 7/2 7/2[514] LEVEL WHOSE ENERGY IS ESTIMATED FROM SYSTEMATICS
187PB8CP TO be 120 10 (2013SA43); THUS, E(13/2+) IN 183HG SHOULD EXCEED AP 225
187PB9CP KEV.
183HG  N                       0.07     2
183HG CN BR        From |a-|a correlation data of 1999AN36.
183HG  G 187
183HG CG           Coincident with 5993A. EG IS COMPARABLE TO THAT EXPECTED
183HG2CG FOR AN OTHERWISE UNKNOWN TRANSITION FROM 275 LEVEL TO A KNOWN 5/2- 87
183HG3CG LEVEL, BUT NO SUCH BRANCH FROM THE 275 LEVEL WAS REPORTED IN THE
183HG4CG EXTENSIVE (32S,4NG) E=159 MEV STUDY BY 1995LA10.
183HG  G 195
183HG CG           Coincident with 5993A.
183HG  L 0.0           1/2-
183HG CL           No |a branch observed to this level. 1981MI12 estimate an
183HG2CL upper limit of 1.5% of all parent |a decays for such a branch; the
183HG3CL implied lower limit for its hindrance factor (790 240) is surprisingly
183HG4CL high compared with that for the branch to the 67-KEV level (13 4) which
183HG5CL has been postulated to be a member of the same rotational band.
183HG  L 67.43     25    3/2-          16 NS     LE
183HG CL           OTHER E: 44 19 FROM QA AND EA IF PARENT LEVEL ENERGY IS 33 13
183HG2CL AND 65 19 IF E(PARENT)=2 15.
183HG  A 6194      10  59.7  24 13      4
183HG  G 67.4       3            E2                    32.1   9
183HGS G LC=24.0 7$MC=6.26 17
183HGS G NC=1.55 4$OC=0.256 7$PC=0.000389 9
183HG CG M         ECC=26 4 from ratio of I(6197A) and I(6197A-67G coin)
183HG2CG (1981MI12).
183HG  L 275.47    25   (3/2-)         16 NS     LE
183HG  A 5993      10  40.3  24 2.6     8
183HG  G 208.0      3            (M1)                  0.991
183HGS G KC=0.813 12$LC=0.1366 20$MC=0.0318 5
183HGS G NC=0.00797 12$OC=0.001509 22$PC=0.0001155 17
183HG CG M         0.87 LE ECC LE 5.3 from intensity balance at the 67 level.
183HG2CG ^D,E2 from RUL.
183HG  G 275.5      3            (M1)                  0.455
183HGS G KC=0.374 6$LC=0.0625 9$MC=0.01454 21
183HGS G NC=0.00365 6$OC=0.000690 10$PC=5.29E-5 8
183HG CG M         M1 favored based on strength of 5993A-(XK) coin (1981MI12).