57NI 57CU B+ DECAY 1984SH28,1996SE01 98NDS 199812
57NI H TYP=FUL$AUT=M. R. BHAT$CIT=NDS 85, 415 (1998)$CUT=24-Sep-1998$
57NI c 1996Se01: produced from {+1}H({+58}Ni,{+57}Cu), E=29-31 MeV/u. Recoil
57NI2c ions analyzed by the momentum achromat recoil spectrometer (mars).
57NI3c Measured absolute branching ratios for |b{++} decay, T{-1/2}
57NI4c ({+75}Cu).
57NI c 1984Sh28: produced {+57}Cu activity by {+58}Ni(p,2n), E=25-34 MeV.
57NI2c Measured |g-ray spectra, excitation functions, 1331|g(t) of {+57}Ni,
57NI3c |b{++}-spectrum.
57NI c Others: 1979ChZX, 1978LeZA
57NI cL E,J$From adopted levels
57NI cE IB,TI$Absolute branching ratios measured by 1996Se01
57NI cG E$From adopted gammas
57NI cG RI$Derived from absolute branching ratios for |b{++} decay and
57NI2cG relative photon branching from each level from adopted gammas
57NI cG M,MR$From adopted gammas
57CU P 0.0 3/2- 196.3 MS 7 8770 16
57NI N 1. 1. 1.
57NI PN 4
57NI L 0.0 3/2-
57NI E 89.8 8 0.103 2 3.669 6 89.9 8
57NIS E EAV=3662.4 79$CK=0.001018 7$CL=0.0001099 7$CM+=1.855E-5 12
57NI L 768.5 5 5/2-
57NI G 768.5 5 0.94 9 M1+E2 +0.23 2
57NI E 0.94 9 0.0015 1 5.44 5 0.94 9
57NIS E EAV=3283.9 79$CK=0.001386 10$CL=0.0001497 1$CM+=2.527E-5 18
57NI L 1112.6 5 1/2-
57NI G 1112.6 5 8.6 6 M1,E2
57NI cG RI$3.7 {i17} from I|b{++}/I|g (1984Sh28)
57NI E 8.6 6 0.016 1 4.37 3 8.6 6
57NIS E EAV=3114.7 79$CK=0.001609 12$CL=0.0001738 1$CM+=2.934E-5 21
57NI L 2443.3 5 5/2-
57NI G 1674.6 ?
57NI G 2443.1 5 0.17 3 (M1(+E2)) +0.8 LT
57NI E 0.17 3 0.00060 115.62 8 0.17 3
57NIS E EAV=2462.9 79$CK=0.00312 3$CL=0.000337 3$CM+=5.69E-5 6
57NI L 2577.4 5 7/2-
57NI G 2577.5 5 0.03 LT E2
57NI E 0.03 LT0.0001 LT6.3 GT 0.03 LT
57NIS E EAV=2397.5 78$CK=0.00336 3$CL=0.000363 4$CM+=6.13E-5 6
57NI L 3007.1 10 3/2-
57NI G 3007 1 0.35 4 M1,E2
57NI E 0.35 4 0.0017 2 5.08 5 0.35 4
57NIS E EAV=2188.4 78$CK=0.00435 5$CL=0.000470 5$CM+=7.93E-5 8
57NI L 3230.1 7 7/2-
57NI G 2461.6 0.04 LT (M1+E2) +0.58 8
57NI G 3230.1 0.02 LT (E2(+M3)) -0.02 5
57NI E 0.06 LT0.0003 LT5.8 GT 0.06 LT
57NIS E EAV=2080.2 78$CK=0.00501 6$CL=0.000542 6$CM+=9.14E-5 10