172PT    176HG A DECAY                 1999PO09,1996PA01         ENSDF    201004
172PT  H TYP=FUL$AUT=TIBOR KIBEDI AND CORAL M. BAGLIN$CUT=15-Mar-2010$
172PT2 H CIT=ENSDF$
172PT  H TYP=UPD$AUT=Y. AKOVALI$CIT=NDS 84, 1 (1998)$CUT=1-Jan-1997$
172PT2 H COM=ONLY A'S UPDATED$
172PT C  OTHERS: 1983SC24, 1984SCZQ.
172PT C  1983SC24: 176HG PRODUCED USING RB(92MO,X), IDENTIFICATION BASED
172PT2C  ON EA SYSTEMATICS FOR EVEN-EVEN HG ISOTOPES; MEASURED EA.
172PT C  T1/2(176HG)=21.6 MS 9, WEIGHTED AVERAGE OF 21 MS 4 (1999PO09),
172PT2C  20 MS 2 (2002RO17), 22 MS 1 (2004GOZZ; MISPRINTED AS 22 S 1 IN
172PT3C  TABLE 5.1).  OTHERS: 18 MS 10 (1996Pa01),  34 MS +18-9 (1983Sc24 and
172PT4C  1984SCZQ).
172PT C  %A        94 12 FROM 1999PO09.  CONSISTENT WITH BRANCHING IMPLIED BY
172PT2C  theoretical partial BETA half-life calculations.  The Moller-Nix
172PT3C  calculations (1997Mo25) give T1/2(B+)=0.65 S; the gross B-decay theory
172PT4C  calculations of 1973Ta30 give T1/2(B+) AP 2 S. These partial
172PT5C  half-lives and the total half-life of 21.6 MS 9 yield %B+=3.3 and
172PT6C  %B+ AP 1, respectively.
172PT C
172PT CA HF        R0(172PT)=1.541 7 is deduced assuming HF(6747A)=1.0 AND
172PT2CA QA=6908 5 from ADOPTED EA=6751 5.
176HG  P 0.0          0+               21.6 MS    9             6908      5
172PT  N                       0.94    12
172PT  L 0.0          0+
172PT  A 6751       5 100       1.0
172PT CA E         WEIGHTED AVERAGE OF EA=6750 20 (1983Sc24),
172PT2CA EA=6767 10 (1984ScZQ), EA=6750 20 (1996Pa01), EA=6740 6 (1999PO09),
172PT3CA 6755 5 (2004GOZZ).  THIS IMPLIES QA(176HG)=6908 5, cf. QA=6897 6
172PT3CA (2003AU03) AS IMPLIED BY DATUM OF 1999PO09 AND 6896 6 (2009AUZZ).
172PT CA IA        only one ALPHA group was observed. Intensity of a possible
172PT2CA unobserved AP 6300-KEV ALPHA to the 2(+) state in 172PT at
172PT3CA 458 KEV is estimated to be less than 2 per 100 ALPHA decays by
172PT4CA requiring its hindrance factor to be greater than 1.0.
172PT CA           CORRELATED WITH 6317A FROM 172PT (2002RO17, 2004GOZZ).