87SR 87Y EC DECAY (13.37 H) 1969ZO04,1967MI13 15NDS 201510
87SR H TYP=FUL$AUT=T.D. Johnson and W.D. Kulp(a)$CIT=NDS 129, 1 (2015)$
87SR2 H CUT=27-Jul-2015$
87SR c 1969Zo04 and 1967Mi13 observed a |b{++} branch
87SR2c a half-life of 13 h to the ground state of {+87}Sr. 1971Ja24
87SR3c did not observe this branch and suggest the reported |b{++}'s
87SR4c are from the decay of 14.7 h {+86}Y.
87SR cL J From {+87}Sr Adopted Levels.
87SR cE E Q=2172 {I40} keV from measured E{-|b+}=1150 {I40}
87SR2cE (1969Zo04). Other E{-|b+} measurements: 1540 (1967Mi13), 1500
87SR3cE (1970Ak05). From the Q value, E{-|b+}=1220.4 {I11}.
87SR cE TI From the log{Ift} systematics (1998Si17) and the data of
87SR2cE 1969Zo04, one can obtain upper limits on the intensities of the
87SR3cE |e branches to the excited levels in {+87}Sr. From the log{Ift}
87SR4cE systematics these limits are: 388-keV level, 1.0x10{+-13}%;
87SR5cE 873-keV level, 1.0x10{+-10}%; 1228-keV level, 1.0x10{+-4}%;
87SR6cE 1253-keV level, 1.0%; and 1740-keV level, 2.0x10{+-5}%. From
87SR7cE the measurements of 1969Zo04, the branches to the 1228 and 1740
87SR8cE levels are <0.05%.
87SR N 1.00 0.0157 1063.69
87SR PN 1.0
87Y P 380.82 7 9/2+ 13.37 H 3 1861.7 11
87SR L 0.0 9/2+
87SR E 0.75 5 0.82 6 7.44 3 1.57 11
87SRS E EAV= 535.1 7 $ CK= 0.4567 9 $ CL= 0.05369 10 $ CM+=0.011711 21