ENTRY 21482 19900823 00002148200000001 SUBENT 21482001 19900823 00002148200100001 BIB 13 28 2148200100002 REFERENCE (J,JIN,24,1485,62) 2148200100003 TITLE -MASS DISTRIBUTION IN THE SPONTANEOUS FISSION OF 2148200100004 PU-240 -. 2148200100005 AUTHOR (J.B.LAIDLER,F.BROWN) 2148200100006 INSTITUTE (2UK ALD) 2148200100007 FACILITY .RADIO-ACTIVE SOURCE. 2148200100008 METHOD .RADIO-CHEMICAL SEPERATION OF FISSION PRODUCTS FOLLOWED2148200100009 BY BETA COUNTING. 2148200100010 DETECTOR (PROPC) VAN DUUREN SHIELDED END WINDOW BETA COUNTER. 2148200100011 SAMPLE .ENRICHED PLUTONIUM 240, COMPOSITION PU-239 6.71 PC, 2148200100012 PU-240 91.70 PC, PU-241 1.51 PC, PU-242 0.071 PC. 2148200100013 CORRECTION .CORRECTED FOR THERMAL NEUTRON INDUCED FISSION IN 2148200100014 PU-239 AND PU-241. FISSION PRODUCT SOURCE ACTIVITY 2148200100015 CORRECTED FOR SELF ABSORPTION AND SELF SCATTERING. 2148200100016 ERR-ANALYS .QUOTED VALUES ARE THE MEDIAN OF INDEPENDANT 2148200100017 DETERMINATIONS, ERRORS ARE STANDARD DEVIATIONS 2148200100018 CALCULATED FROM THE SPREAD OF MEASUREMENTS. 2148200100019 ANALYSIS .THE INDEPENDANT FISSION YIELDS ARE CALCULATED BY 2148200100020 THE METHOD OF GLENDENIN, ASSUMING THE EQUAL CHARGE 2148200100021 DISPLACEMENT POSTULATE OF CHARGE DISTRIBUTION 2148200100022 HOLDS FOR SPONTANEOUS FISSION. 2148200100023 .TOTAL CHAIN YIELDS ARE THE SUMMATION OF INDEPENDANT 2148200100024 DAUGHTER YIELDS AND THE OBSERVED YIELDS. 2148200100025 STATUS .TABLE 2,JIN,24,1485. 2148200100026 HISTORY (800331C) 2148200100027 (800429E) 2148200100028 (900823U) S.W. REFERENCE CORRECTED. COMMON DELETED. 2148200100029 (900917E) 2148200100030 ENDBIB 28 0 2148200100031 NOCOMMON 0 0 2148200100032 ENDSUBENT 31 0 2148200199999 SUBENT 21482002 19800429 00002148200200001 BIB 4 20 2148200200002 REACTION (94-PU-240(0,F)ELEM/MASS,IND,FY) INDEPENDANT 2148200200003 SPONTANEOUS FISSION PRODUCT YIELDS. 2148200200004 DECAY-DATA (38-SR-89,54.0D,B-) AFTER 5-6 WEEKS. 2148200200005 (38-SR-91,9.7HR,B-) AFTER ONE WEEK, CARRIER FREE. 2148200200006 (40-ZR-97,17.0HR,B-) AFTER ONE WEEK. 2148200200007 (42-MO-99,67.0HR,B-) AFTER 3 WEEKS. 2148200200008 (45-RH-105,36.0HR,B-) AFTER 10 DAYS. 2148200200009 (46-PD-109,13.6HR,B-) AFTER ONE WEEK. 2148200200010 (47-AG-111,7.5D,B-) AFTER 2 WEEKS. 2148200200011 (48-CD-115,54.0HR,B-) AFTER 2 WEEKS. 2148200200012 (53-I-131,8.05D,B-) AFTER ONE WEEK. 2148200200013 (53-I-133,21.0HR,B-) AFTER ONE WEEK. 2148200200014 (53-I-135,6.7HR,B-) AFTER ONE WEEK. 2148200200015 (56-BA-140,12.8D,B-) AFTER 5-6 WEEKS. 2148200200016 (60-ND-147,11.6D,B-) AFTER AT LEAST 6 WEEKS. 2148200200017 (59-PR-143,13.8D,B-) AFTER AT LEAST 6 WEEKS. 2148200200018 (58-CE-141,32.0D,B-) AFTER AT LEAST 6 WEEKS. 2148200200019 STATUS .TABLE 2. 2148200200020 HISTORY (800331C) 2148200200021 (800429E) 2148200200022 ENDBIB 20 0 2148200200023 NOCOMMON 0 0 2148200200024 DATA 4 15 2148200200025 ELEMENT MASS DATA DATA-ERR 2148200200026 NO-DIM NO-DIM PC/FIS PC/FIS 2148200200027 3.8000E+01 8.9000E+01 8.0000E-01 3.2000E-01 2148200200028 3.8000E+01 9.1000E+01 1.5100E+00 1.7000E-01 2148200200029 4.0000E+01 9.7000E+01 6.4600E+00 2.1000E-01 2148200200030 4.2000E+01 9.9000E+01 6.8200E+00 7.0000E-02 2148200200031 4.5000E+01 1.0500E+02 7.1000E+00 5.5000E-01 2148200200032 4.6000E+01 1.0900E+02 9.4000E-01 1.2000E-01 2148200200033 4.7000E+01 1.1100E+02 3.5000E-02 9.0000E-03 2148200200034 4.8000E+01 1.1500E+02 3.0000E-02 3.0000E-02 2148200200035 5.3000E+01 1.3100E+02 2.3400E+00 5.0000E-02 2148200200036 5.3000E+01 1.3300E+02 8.1900E+00 1.2000E-01 2148200200037 5.3000E+01 1.3500E+02 6.3900E+00 6.7000E-01 2148200200038 5.6000E+01 1.4000E+02 5.9900E+00 2.2000E-01 2148200200039 5.8000E+01 1.4100E+02 6.0200E+00 3.9000E-01 2148200200040 5.9000E+01 1.4300E+02 4.7800E+00 3.9000E-01 2148200200041 6.0000E+01 1.4700E+02 1.2200E+00 3.7000E-01 2148200200042 ENDDATA 17 0 2148200200043 ENDSUBENT 42 0 2148200299999 SUBENT 21482003 19810204 00002148200300001 BIB 4 7 2148200300002 REACTION (94-PU-240(0,F)MASS,CHN,FY) TOTAL CHAIN YIELDS. 2148200300003 COMMENT .TOTAL CHAIN YIELDS ARE THE SUM OF OBSERVED INDEPENDENT2148200300004 FISSION YIELDS AND CALCULATED INDEPENDANT YIELDS 2148200300005 OF DAUGHTERS. 2148200300006 STATUS .TABLE 2. 2148200300007 HISTORY (800331C) 2148200300008 (800429E) 2148200300009 ENDBIB 7 0 2148200300010 NOCOMMON 0 0 2148200300011 DATA 3 15 2148200300012 MASS DATA DATA-ERR 2148200300013 NO-DIM PC/FIS PC/FIS 2148200300014 8.9000E+01 8.0000E-01 3.2000E-01 2148200300015 9.1000E+01 1.5100E+00 1.7000E-01 2148200300016 9.7000E+01 6.4800E+00 2.1000E-01 2148200300017 9.9000E+01 6.8200E+00 7.0000E-02 2148200300018 1.0500E+02 7.1000E+00 5.5000E-01 2148200300019 1.0900E+02 9.4000E-01 1.2000E-01 2148200300020 1.1100E+02 3.5000E-02 9.0000E-03 2148200300021 1.1500E+02 3.0000E-02 3.0000E-02 2148200300022 1.3100E+02 2.3400E+00 5.0000E-02 2148200300023 1.3300E+02 8.2000E+00 1.2000E-01 2148200300024 1.3500E+02 6.9400E+00 6.7000E-01 2148200300025 1.4000E+02 5.9900E+00 2.2000E-01 2148200300026 1.4100E+02 6.0200E+00 3.9000E-01 2148200300027 1.4300E+02 4.7800E+00 3.9000E-01 2148200300028 1.4700E+02 1.2200E+00 3.7000E-01 2148200300029 ENDDATA 17 0 2148200300030 ENDSUBENT 29 0 2148200399999 ENDENTRY 3 0 2148299999999