ENTRY 21559 19800612 00002155900000001 SUBENT 21559001 19800612 00002155900100001 BIB 12 26 2155900100002 INSTITUTE (2GERTHD) 2155900100003 REFERENCE (J,RCA,23,161,76) 2155900100004 AUTHOR (H.KLONK,K.BAECKMANN) 2155900100005 TITLE -RANGE MEASUREMNTS OF PRIMARY FISSION PRODUCTS FORMED 2155900100006 BY SPONTANEOUS FISSION OF CF-252 -. 2155900100007 FACILITY .SPONTANEOUS CF-252 FISSION SOURCE. 2155900100008 SAMPLE .A THIN CF-252 SOURCE OF ABOUT 1 MICRO-GM CF-252 2155900100009 WAS DEPOSITED ON A 20 MM DIAMETER PLATINUM FOIL, 2155900100010 WITH AN ACTIVE AREA OF ABOUT 5MM DIAMETER. 2155900100011 METHOD .FOR THE MASS CHAIN 144 THE FRACTIONAL INDEPENDANT 2155900100012 YILEDS WERE DERIVED BY AN ITERATIVE METHOD. AN 2155900100013 EXTRAPOLATION METHOD WAS USED ASSUMING A GAUSSIAN 2155900100014 DISTRIBUTION TO EVALUATE THE INDEPENDANT YIELD OF 2155900100015 CS-144, WHICH COULD NOT BE MEASURED DIRECTLY. 2155900100016 THE ABUNDANCE OF THE 397 KEV GAMMA OF LA-144 WAS 2155900100017 DETERMINED TO BE 0.82+-0.05. 2155900100018 DETECTOR (GELI ) NO DETAILS. 2155900100019 STATUS .TABLE 1, RCA,23,161. 2155900100020 HISTORY (800606C) 2155900100021 (800612E) 2155900100022 CORRECTION .MEASUREMENTS OF CUMULATIVE RANGES OF FISSION 2155900100023 PRODUCTS IN THIN MYLAR FOILS WERE CORRECTED USING 2155900100024 THE BATEMAN EQUATION. 2155900100025 ERR-ANALYS .NO ERRORS GIVEN, BUT AT LEAST TEN PERCENT CAN BE 2155900100026 ATTRIBUTED TO THE UNCERTAINTY IN THE ABUNDANCE OF 2155900100027 THE 397 KEV GAMMA IN LA-144. 2155900100028 ENDBIB 26 0 2155900100029 NOCOMMON 0 0 2155900100030 ENDSUBENT 29 0 2155900199999 SUBENT 21559002 19800612 00002155900200001 BIB 4 7 2155900200002 REACTION ((98-CF-252(0,F)ELEM/MASS,IND,FY)/ 2155900200003 (98-CF-252(0,F)MASS,CHN,FY)) 2155900200004 FRACTIONAL INDEPENDANT SPONTANEOUS FISSION YIELDS. 2155900200005 DECAY-DATA (57-LA-144,,DG,397.,0.82) GAMMA ABUNDANCE DERIVED. 2155900200006 STATUS .TABLE 1. 2155900200007 HISTORY (800606C) 2155900200008 (800612E) 2155900200009 ENDBIB 7 0 2155900200010 NOCOMMON 0 0 2155900200011 DATA 4 3 2155900200012 ELEMENT MASS RATIO RATIO-ERR 2155900200013 NO-DIM NO-DIM NO-DIM NO-DIM 2155900200014 5.5000E+01 1.4400E+02 8.9000E-02 9.0000E-03 2155900200015 5.6000E+01 1.4400E+02 5.9900E-01 6.0000E-02 2155900200016 5.7000E+01 1.4400E+02 3.0200E-01 3.0000E-02 2155900200017 ENDDATA 5 0 2155900200018 ENDSUBENT 17 0 2155900299999 ENDENTRY 2 0 2155999999999