68ZN 68CU B- DECAY (3.75 M) 1975TI01,1972SW01 12NDS 201206
68ZN H TYP=FUL$AUT=E.A. McCutchan$CIT=NDS 113, 1735 (2012)$CUT=1-Mar-2012$
68ZN c 1975Ti01: {+68}Cu activity produced by {+68}Zn(n,p), E(n)=14.9 MeV.
68ZN2c Measured E|g, I|g, and T{-1/2} using a Ge(Li) detector.
68ZN c 1972Sw01: {+68}Cu activity produced by {+68}Zn(n,p), E(n)=14.7 MeV.
68ZN2c Measured E|g, I|g, E|b{+-}, I|b{+-}, T{-1/2}, |g|g and |b|g coin
68ZN3c using Ge(Li) and NaI(Tl) detectors and a plastic scintillator.
68ZN c Data are taken mainly from 1972Sw01 and 1975Ti01.
68ZN c Others: 2002Ko31, 1971Si19, 1969Wa22, 1969Va16, 1964Ba13, 1960Yt03.
68ZN c The decay scheme of {+68}Zn given here is for the equilibrium decay
68ZN2c of the 3.75-min {+68}Cu isomer which proceeds 14% by direct |b{+-}
68ZN3c decay and 86% via IT decay with subsequent g.s. decay to {+68}Zn.
68ZN4c These branching fractions include a correction for the different
68ZN5c T{-1/2} of the two branches.
68ZN cL E$From least-squares fit to E|g's by evaluator, except as noted.
68ZN cL J,T$From the Adopted Levels.
68ZN cL E(C)$From 1975Ti01. E=3735.9 in 1972Sw01.
68ZN cL E(D)$From 1975Ti01. E=3964.4 in 1972Sw01.
68ZN cG E$From 1975Ti01. Transitions with E|g=498.6, 570.7, and 1074.0
68ZN2cG reported by 1972Sw01 are not confirmed by 1975Ti01 and are not
68ZN3cG adopted here.
68ZN cG RI$Weighted average of 1975Ti01 and 1972Sw01, relative to
68ZN2cG I|g(525.9|g)=100 in {+68}Cu IT decay. Taken or calculated from I|g's
68ZN3cG observed in the equilibrium decay: {+68}Cu |b decay (30.9 s + 3.75
68ZN4cG min) using branching fraction. Full separation of I|g's associated
68ZN5cG with 30.9 s and 3.75 min |b{+-} decays was not possible with the data
68ZN6cG available. I|g's are listed here for only those |g's which can be
68ZN7cG assigned wholly or partly to the 3.75 min |b{+-} decay.
68ZN cG M,MR$From the Adopted Gammas.
68ZN cG E(A)$Observed to decay with a single half-life of 3.75 min
68ZN2cG (1972Sw01,1975Ti01).
68ZN cB IB$From I|g imbalances in {+68}Cu |b{+-} decay (30.9 s + 3.75 min) in
68ZN2cB equilibrium. Branches to high-spin states are assumed to be from the
68ZN3cB 3.75 min {+68}Cu parent state.
68ZN cB E$Experimental values from |b|g coincidence measurements are given in
68ZN2cB the comments.
68ZN cG RI(b)$Intensity deduced by evaluator based on equilibrium decay
68ZN2cG intensities for {+68}Cu |b{+-} decay (30.9 s + 3.75 min), branching
68ZN3cG fraction and assumptions on feeding.
68ZN cG $For additional unplaced |g's see {+68}Cu |b decay (30.9 s)
68ZN cG E(f)$The 670.7|g is multiply placed by the authors as deexciting
68ZN2cG levels at 3010 and 3424, and the 1540.7|g is placed from a 3425
68ZN3cG level; however, these placements are inconsistent with branching from
68ZN4cG these levels in (n,|g) and thus not adopted.
68ZN D CC$ FROM BrIcc v2.2b (20-Jan-2009) 2008Ki07, "Frozen Orbitals" appr.
68CU P 721.26 8 6- 3.75 M 5 4439.8 18
68ZN N 5.9 7 0.14 2 6.25
68ZN cN NR$From |S(I|g+c.e.)(to {+68}Zn g.s.)=100. With I|g(526)=100, I|g's
68ZN2cN give 18.8 {I16} |b{+-} decays (3.75 min).
68ZN cN BR$14% {I2}. I|g's indicate 18.8 {I16} |b{+-} decays (3.75 min) and
68ZN2cN 114.5 {I18} IT decays per hundred 525.9 |g transitions in {+68}Cu.
68ZN3cN This has a correction due to the different T{-1/2} of the two
68ZN4cN branches.
68ZN PN 1.0 3
68ZN G 670.7 15 0.74 24
68ZNX G FLAG=f
68ZN G 1540.7 15 1.0 3
68ZNX G FLAG=f
68ZN L 0 0+ STABLE
68ZN L 1077.6 5 2+
68ZN G 1077.7 5 17 2 E2
68ZNF G FLAG=b
68ZNS G CC=0.000247 4$KC=0.000221 4$LC=2.22E-5 4$MC=3.17E-6 5$NC+=1.272E-7 18
68ZN L 2339.5 8 2+
68ZN G 1261.8 8 0.35 9 M1+E2 -0.18 4
68ZNF G FLAG=b
68ZNS G CC=0.0001727 25$KC=0.0001418 20$LC=1.410E-5 20$MC=2.02E-6 3$
68ZNS G NC+=8.19E-8 12
68ZN G 2339.5 15 0.039 16 (E2)
68ZNF G FLAG=b
68ZNS G CC=0.000529 8$KC=4.71E-5 7$LC=4.66E-6 7$MC=6.68E-7 10$NC+=0.000477 7
68ZN L 2370.6 16
68ZN G 1292.9 15 0.7 3
68ZNF G FLAG=b
68ZN L 2418.2 11 4+
68ZN G 1340.5 10 14.2 14 E2(+M3) -0.05 6
68ZNF G FLAG=A
68ZNS G CC=0.000191 5$KC=0.000138 4$LC=1.37E-5 4$MC=1.97E-6 6$NC+=3.79E-5 7
68ZN B 2.5 23 6.8 4
68ZNS B EAV=1160.0 10
68ZN L 2510.5 16
68ZN G 1432.8 15 1.0 3
68ZNF G FLAG=b
68ZN L 2821.4 16 2+
68ZN G 1743.7 15 0.4 2 M1+E2 +0.27 5
68ZNF G FLAG=b
68ZNS G CC=0.000241 4$KC=7.71E-5 11$LC=7.64E-6 11$MC=1.095E-6 16$NC+=0.0001550
68ZN L 2956.2 22
68ZN G 585.6 15 0.7 2
68ZNF G FLAG=A
68ZN L 3459.2 15 5-
68ZN G 1041.0 10 11.3 12 (E1+M2) +0.07 5
68ZNF G FLAG=A
68ZNS G CC=0.000120 4$KC=0.000108 4$LC=1.07E-5 4$MC=1.53E-6 6$NC+=6.17E-8 22
68ZN B 4 3 5.8 4
68ZNS B EAV=673.2 11
68ZN cB E$1800 {I100} (1972Sw01).
68ZN L 3610.8 18 (6)-
68ZN G 151.6 10 6.5 6 M1(+E2) -0.05 +8-6 0.020617
68ZNF G FLAG=A
68ZNS G KC=0.0184 15$LC=0.00191 17$MC=0.000274 24$NC+=1.08E-5 8
68ZN B 6.3 17 5.39 12
68ZNS B EAV=604.3 12
68ZN cB E$1700 {I100} (1972Sw01).
68ZN L 3725.3 22
68ZN G 1385.8 20 0.40 14
68ZNF G FLAG=A
68ZN B 0.38 13 6.48 15
68ZNS B EAV=552.7 13
68ZN L 3733 3 C ?
68ZN G 1222.2 15 1.0 3 ?
68ZNF G FLAG=A
68ZN cG $E|g=1225.2 observed by 1972Sw01.
68ZN B 0.9 4 6.10 20 ?
68ZNS B EAV=549.3 16
68ZN L 3971 3 D ?
68ZN G 1014.5 15 1.1 5 ?
68ZNF G FLAG=A
68ZN cG $Not observed by 1972Sw01. E|g=1007.0 observed by 1972Sw01.
68ZN G 1149.4 20 0.35 14 ?
68ZNF G FLAG=A
68ZN cG $Not observed by 1972Sw01. E|g=1142.4 observed by 1972Sw01.
68ZN B 1.4 6 5.59 19 ?
68ZNS B EAV=444.0 16