243AM 247BK A DECAY 1969FR01,1956CH77 14NDS 201408
243AM H TYP=FUL$AUT=C.D. Nesaraja, E.A. McCutchan$CIT=NDS 121, 695 (2014)$
243AM2 H CUT=30-Sep-2013$
243AM c 1969Fr01: {+247}Bk was irradiated at the Argonne cyclotron followed
243AM2c by chemical separation. |a spectra measured with a Au-Si
243AM3c surface-barrier detector. Energies measured with respect to {+238}Pu
243AM4c |a{-0} group at 5.498 MeV
243AM c 1956Ch77: {+247}Bk produced from the decay of {+247}Cf followed by
243AM2c chemical separation. Three alpha groups were determined at 5.30 MeV,
243AM3c 5.51, and 5.67 MeV. |a, |g and K X-ray coincidence measured with
243AM4c proportional counter, NaI detector and alpha pulser analyser.
243AM cA E$From 1969Fr01. Evaluators have increased energies by 1 keV, as
243AM2cA recommended by 1991Ry01, because of a change in calibration energy.
243AM CA IA$From 1969Fr01. Other measurement: 1956Ch77.
243AM CA HF$R0(243AM)=1.490 4, average of r{-0}({+242}Pu)=1.4954 {I10} and
243AM2CA r{-0}({+244}Cm)=1.4851 {I24}, is used in calculations.
243AM CG $I(K X-RAYS) AP 20 (1956Ch77).
243AM CG E$From 1956Ch77, except where noted
243AM CG RI$From 1956Ch77, except where noted.
243AM2CG Photon intensity per 100 ALPHA decays.
243AM DG CC$FROM BrIcc v2.3a (30-Jun-2013) 2008Ki07, "Frozen Orbitals" appr.
243AM CL E$From E|a and Q|a({+247}Bk) and least-square fit to E|g.
243AM CL T,J$From Adopted Levels.
247BK P 0.0 3/2- 1380 Y 250 5890 5
243AM N 1.0 1.0
243AM PN 2
243AM L 0.0 5/2- 7364 Y 22
243AM A 5794 5 5.5 5 282 58
243AM L 42 3 7/2-
243AM A 5754 5 4.3 4 213 45
243AM L 84 3 5/2+
243AM A 5710 5 17 1 32 7
243AM G 41.8 2 1.3 AP[E1] 1.33 3 S
243AMS G LC=0.991 19$MC=0.252 5
243AMS G NC=0.0675 13$OC=0.0157 3$PC=0.00231 5$QC=6.32E-5 11
243AM CG E$transition was not observed in 247BK A DECAY; EG is from 243PU B-
243AM2CG DECAY.
243AM CG RI$from RI(41.8G)/RI(84G)=3.3 3/100, measured in 243PU B- DECAY.
243AM G 84 3 40 APE1 0.214 22
243AMS G LC=0.160 17$MC=0.040 4
243AMS G NC=0.0107 11$OC=0.0026 3$PC=0.00042 4$QC=1.49E-5 13
243AM CG M$from 243PU B- decay
243AM L 108 7 7/2+
243AM A 5688 5 13 1 31 7
243AM L 143 7 (9/2+)
243AM A 5654 5 5.5 6 47 11
243AM L 188 7 (11/2+)
243AM A 5610 5 0.4 AP 359 AP
243AM L 265 10 3/2-
243AM A 5531 5 45 2 1.14 23
243AM G 265 10 30 AP(M1+E2) 1.1 8
243AMS G KC=0.8 7$LC=0.23 7$MC=0.060 15
243AMS G NC=0.016 4$OC=0.0041 11$PC=0.00074 23$QC=3.E-5 3
243AM CG M$EKC AP 0.7 from XK/RI.
243AM L 298 7 (5/2-)
243AM A 5501 5 7 1 4.7 12
243AM L 344 7 (7/2-)
243AM A 5456 5 1.5 2 12 3