179TA 179W EC DECAY (6.40 M) 1969KO18,1969BI10 09NDS 200902 179TA H TYP=FUL$AUT=Coral M. BAGLIN$CIT=NDS 110, 265 (2009)$CUT=15-Nov-2008$ 179TA C 1969Ko18: measured EG, IG, GG coin, Ice. Detectors: Ge(Li), Si(Li). 179TA C 1969Bi10: measured EG, IG, G(T). Detector: Ge(Li). 179TA C THE LEVEL SCHEME IS THAT OF 1969KO18 AFTER THE ELIMINATION OF AN 179TA2C UNOBSERVED 8.7G (TI |<34 14) CONNECTING THE 750 AND 742 LEVELS. 179TA3C 1969KO18 PROPOSED THIS G TO ACHIEVE INTENSITY BALANCE AT THE 742 LEVEL 179TA4C BECAUSE THEY BELIEVED THAT LEVEL TO BE THE 5/2 MEMBER OF THE 1/2[541] 179TA5C BAND TO WHICH THERE SHOULD BE AT MOST A NEGLIGIBLE EC BRANCH FROM THE 179TA6C 1/2- PARENT. 179TA CE TI(G) Because the 7.4 KEV transition is unobserved, TI to 179TA2CE this level is given as an upper limit. TI(520+527 levels)=0.07% 5. 179TA CG E,RI From 1969Ko18. IG from singles spectrum, except as noted. 179TA CG M,MR FROM Adopted Gammas, EXCEPT AS NOTED. 179TA2CG ELC VALUES QUOTED FROM 1969KO18 WERE NORMALIZED ASSUMING KC(M3)=6.45 179TA3CG FOR THE 221.5G IN 179W. 179TA CG RI(E) Deduced by evaluator BY SCALING IG FROM spectrum gated by 179TA2CG 282G in 1969KO18 BY 0.85 (BASED ON I(239G):I(282G)=100:85 IN SINGLES 179TA3CG SPECTRUM). 179TA CL J FROM Adopted Levels. 179TA CL BAND(A) 7/2[404] GS BAND. 179TA CL BAND(B) 5/2[402] BAND. 179TA CL BAND(D) 1/2[411] BAND. 179W P 221.91 3 1/2- 6.40 M 7 1063 16 179TA N 0.79 0.79 0.0029 4 344.83 179TA CN BR,NR from decay scheme assuming 179TA2CN TI(120.1G[179W]+221.5G[179W]+238.7G[179TA])=100% and 179TA3CN I(239G):I(222G)=100 5:3870 300 (1969Ko18). 179TA4CN EC+B+ FEEDING TO THE GS IS NOT EXPECTED (DJ=3, DPI=YES TRANSITION). 179TA PN 1.00 3 179TA L 0.0 7/2+ 1.82 Y 3 A 179TA CL T from Adopted Levels. 179TA L 238.7 3 5/2+ B 179TA E 0.008 LT 8.5 GT 0.008 LT 1U? 179TAS E CK=0.7914 8$CL=0.1582 6$CM+=0.05031 20 179TA CE TI from LOGF1UT>8.5 for 1U transition. 179TA G 238.7 3 100 5M1+E2 0.27 11 C 179TAS G KC=0.21 11$LC=0.0484 8$MC=0.0114 4$NC+=0.00312 6 179TAS G NC=0.00270 8$OC=0.000400 19$PC=1.8E-5 11 179TA CG %IG=0.228 22 BASED ON ADOPTED NORMALIZATION. 179TA CG M FROM Adopted Gammas. M1,E2 from ELC=0.11 5 (1969Ko18). 179TA L 520.3 4(1/2)+ D 179TA E 0.12 LE 6.5 GE 0.12 LEG 179TAS E CK=0.8061 6$CL=0.1476 5$CM+=0.04623 16 179TA G 281.7 3 85 8(E2) 0.0992 C 179TAS G KC=0.0662 10$LC=0.0253 4$MC=0.00614 9$NC+=0.001653 25 179TAS G NC=0.001446 21$OC=0.000202 3$PC=5.16E-6 8 179TA CG M M1,E2 from ELC=0.054 20(1969Ko18); level scheme 179TAxCG favors E2. 179TA L 527.7 4(3/2)+ D 179TA E 0.12 LE 6.5GE 0.12 LEG 179TAS E CK=0.8059 6$CL=0.1478 5$CM+=0.04630 16 179TA G 7.4 6 63 30 S 179TA CG E from level energy difference; G NOT OBSERVED, BUT EXISTENCE 179TA2CG IS IMPLIED BY GG COIN DATA. 179TA CG TI GT 52 18, LT 82 11 from intensity balance at 528, 179TA2CG 520 levels, respectively. 179TA G 288.9 3 13 3[M1,E2] 0.16 7 C 179TAS G KC=0.12 7$LC=0.026 3$MC=0.0061 5$NC+=0.00166 17 179TAS G NC=0.00144 13$OC=0.00022 4$PC=1.1E-5 7 179TA L 741.6 7 1/2,3/2 179TA CL J 5/2- 1/2[541] suggested by 1969Ko18; assignment not adopted 179TA2CL because the 628-keV level BEARS THAT ASSIGNMENT in Adopted Levels. 179TA E 0.08 4 6.31 22 0.08 4 179TAS E CK=0.7950 13$CL=0.1558 9$CM+=0.0493 4 179TA G 213.9 5 26 9 [D,E2] 0.28 23 EC 179TA L 750.3 5 (1/2,3/2) 179TA CL J 1/2- 1/2[541] suggested by 1969Ko18; this E(LEVEL) IS 179TA2CL COMPATIBLE WITH A 5/2 BAND MEMBER AT 628 KEV, AS IN Adopted Levels. 179TA3CL HOWEVER, THE 680 LEVEL is assigned 1/2- 1/2[541] IN Adopted Levels. 179TA E 0.10 4 6.20 18 0.10 4 179TAS E CK=0.7943 13$CL=0.1563 10$CM+=0.0494 4 179TA G 222.5 5 26 8 [D,E2] 0.25 21 EC 179TA G 230.1 5 9 5 [D,E2] 0.23 19 EC