81BR    81KR EC DECAY (13.10 S)       1987LO06,1987DA06         25NDS    202501
 81BR  H TYP=FUL$AUT=M. Shamsuzzoha Basunia$CIT=NDS 199, 271 (2025)$
 81BR2 H CUT=1-Sep-2024$
 81BR c  Other: 1992Na21
 81BR c  1987Da06: high purity {+81}Kr (13 s) from {+81}Rb-{+81}Kr (13 s)
 81BR2c  generator in plastic scintillator cell; Compton suppressed Si(Li).
 81BR c  1987Lo06: mass separated {+81}Kr from {+81}Rb (4.6 h) decay, Si(Li)
 81BR2c  (240 eV resolution) and pilot B scintillator.
 81BR c  Other: 1980Be44 (superseded by 1987Lo06):
 81BR2c  {+81}Kr (13 s) produced by (p,n), E=22 MeV, mass-separated, measured
 81BR3c  with Si(Li) (energy resolution 250 eV for 12.65-keV Kr (K|a| x ray))
 81BR3c  surrounded by pilot B scintillator.
 81BR cL J         From Adopted Levels.
 81BR  N                       0.0000254 40000
 81BR cN BR        From measured I|e.
 81BR3cN
 81KR  P 190.53    4 1/2-              13.10 S   2              280.9     5
 81KR cP E,J,T     from {+81}Se Adopted Levels
 81KR cP QP$from 2021Wa16
 81BR  L 0           3/2-
 81BR  E                        0.0025 4   4.89   7
 81BRS E CK=0.8742$CL=0.1047$CM+=0.02107
 81BR cE IE        from measured ratio of K x ray intensities from {+81}Kr(13 s)
 81BR2cE and its {+81}Br daughter. Weighted average of I|e=2.26|*10{+-3}% {I32}
 81BR3cE (1987Lo06) and 3.14|*10{+-3}% {I58} (1987Da06). Other:
 81BRxcE I|e(K)=5.6|*10{+-3}% {I14} (1980Be44).