168RE 172IR A DECAY (4.4 S) 1992SC16,2004GOZZ 10NDS 201008 168RE H TYP=FUL$AUT=CORAL M. BAGLIN$CIT=NDS 111, 1807 (2010)$CUT=15-Jun-2010$ 168RE C 2004GOZZ: 172IR SOURCES FROM |a-DECAY OF 176AU PRODUCED IN 84SR 168RE2C BOMBARDMENT OF Mo; FRAGMENT MASS ANALYZER AND DOUBLE-SIDED SI STRIP 168RE3C DETECTOR (FOR RECOILS AND DECAY |a PARTICLES) SURROUNDED BY 4 Ge 168RE4C DETECTORS AND A LOW-ENERGY PHOTON SPECTROMETER; RECOIL DECAY TAGGING 168RE5C TECHNIQUE; MEASURED EA, IA, RECOIL-|a-G COIN, |a(t), PARENT-DAUGHTER 168RE6C |a CORRELATIONS. 168RE C 1992SC16: sources from 141PR(36AR,5n), E(36AR)=234 MEV PRIMARY BEAM, 168RE2C helium-jet transport; monoisotopic targets; measured excitation 168RE3C functions (175 MEV TO 204 MEV AT TARGET FACE), EA, EG, IA, IG, 168RE4C AG coin, AXK coin. 168RE CA HF IF R0=1.5580 12, UNWEIGHTED AVERAGE OF R0(166W)=1.560 6 168RE2CA (2008BA14), R0(168W)=1.56 2 AND R0(168OS)=1.557 4 (THIS EVALUATION), 168RE3CA AND R0(170OS)=1.555 3 (2002BA93) (WEIGHTED AVERAGE IS 1.5564 22). THE 168RE4CA MEASURED EA=5515 7 TO 349 LEVEL HAS BEEN USED FOR THE CALCULATION OF 168RE5CA HF; THAT EA IMPLIES QA=5996 7 cf. 5850 110 (SYST.; 2003AU03, 2009AUZZ). 168RE CG E,RI FROM 1992SC16. 168RE CL E FROM EG. 168RE CL J FROM Adopted Levels. 168RE CL E(A) 1992SC16 report three G rays in coincidence with 168RE2CL each other and with their 5510-KEV ALPHA group; OBSERVED I(RE XK)=24 4 168RE3CL (ON SAME INTENSITY SCALE AS RI) IMPLIES LOW multipolarities FOR ALL 168RE4CL 3 G-RAYS. 1992SC16 DEDUCE E(level)=349 BY SUMMING THE CASCADE G 168RE5CL ENERGIES. 2004GOZZ OBSERVE A 123G IN COINCIDENCE 168RE6CL WITH THEIR 5520A, BUT FIND NO EVIDENCE FOR THE 90G AND 136G REPORTED 168RE7CL BY 1992SC16; POSSIBLY, THIS CAN BE ATTRIBUTED TO STATISTICALLY 168RE8CL INADEQUATE DATA. 168RE CL E(B) E MAY DIFFER FROM VALUE SHOWN BECAUSE ORDER OF 90G-123G-136G 168RE2CL CASCADE HAS NOT BEEN ESTABLISHED. 172IR P 0.0 (3) 4.4 S 3 5996 7 168RE N 0.020 AP 168RE CN BR FROM 1992SC16; <0.02 FROM 2004GOZZ. 168RE PN C5 168RE2PN PER 100 ALPHA DECAYS 168RE CG OTHER EG: 136.3 5 FROM 2004GOZZ (TABLE 5.1); HOWEVER, ORIGIN 168RE2CG OF THIS EG IS UNCLEAR SINCE AUTHORS STATE THAT THEY DO NOT OBSERVE 168RE3CG THE 136G REPORTED BY 1992SC16 FOR LOW-J 172IR DECAY AND (APPARENTLY 168RE4CG ERRONEOUSLY) ASSOCIATE A 136G WITH HIGH-J 172IR DECAY IN TABLE 5.1. 168RE5CG NO 136G APPEARS IN |a-|g COIN SPECTRA IN FIG. 6.12 OR THE DECAY 168RE6CG SCHEMES OF FIG. 6.4 WHERE BOTH HIGH- AND LOW-SPIN 172IR |a DECAY 168RE6CG DATA ARE PRESENTED BY 2004GOZZ. 168RE L 0.0 (7+) 168RE L 89.7 4 B 168RE G 89.7 4 10 3 168RE CG M E1 OR E2(+M1) BUT NOT pure M1 BASED ON OBSERVED I(Re XK) from 168RE2CG 1992SC16; IF E2, TI(90) IS COMPARABLE TO TI(123). 168RE L 226.0 6 B 168RE CL J (2,3,4) IF 123G IS CORRECTLY PLACED. 2004GOZZ SUGGEST A 168RE2CL KPI=2+ CONFIGURATION OF (|p 9/2[514])-(|n 5/2[523]); HOWEVER, HIGHER 168RE3CL THAN E2 MULTIPOLARITY WOULD THEN BE REQUIRED FOR ONE OF THE 2 CASCADE 168RE4CL GAMMAS TO A (7+) GS, INCONSISTENT WITH MEASURED I(XK). 168RE G 136.3 4 10 3 168RE CG M PROBABLY E1 OR E2 BASED ON OBSERVED I(Re XK) from 1992SC16. 168RE2CG HOWEVER, IN EITHER CASE, TI(136G) WILL BE SIGNIFICANTLY LOWER THAN 168RE3CG TI(123G). 168RE L 349.2 6 (3) A 168RE A 5515 7 100 2.9 AP C 168RE CA E WEIGHTED AVERAGE OF 5510 10 (1992SC16) AND 5520 10 168RE2CA (2004GOZZ). THIS EA IMPLIES QA=5996 7 (cf. 5850 110 (SYST.; 2003AU03, 168RE3CA 2009AUZZ). 168RE CA CORRELATED WITH 6282A FROM 176AU(LOW J) (2004GOZZ). 168RE G 123.2 2 54 7 (E1) 0.224 C 168RES G KC=0.183 3$LC=0.0314 5$MC=0.00718 11$NC+=0.00200 3 168RES G NC=0.00171 3$OC=0.000271 4$PC=1.444E-5 21 168RE CG OTHER EG: 122.7 5 FROM 2004GOZZ. 168RE CG M I(RE XK)=24 4 RULES OUT M1 AND FAVORS E1 (1992Sc16); ALSO, E1 168RE2CG IS CONSISTENT WITH 2004GOZZ'S NON-OBSERVANCE OF ce ASSOCIATED X-RAYS 168RE3CG FOR THIS TRANSITION. 168RE CG NOTE THAT THE ORDER OF THE 90G-123G-136G CASCADE HAS NOT 168RE2CG BEEN DETERMINED, SO IT IS EQUALLY LIKELY THAT THE 90G OR THE 136G 168RE3CG DEEXCITES THIS LEVEL INSTEAD OF THE 123G.