ENTRY 40385 20140414 41634038500000001 SUBENT 40385001 20140414 41634038500100001 BIB 12 39 4038500100002 INSTITUTE (4RUSITE) 4038500100003 REFERENCE (J,AE,4,(2),185,1958) 4038500100004 (J,SJA,4,247,1958) Engl.translation of J,AE,4,185,1958 4038500100005 #doi:10.1007/BF01587186 4038500100006 (J,JNE,9,151,1959) 4038500100007 AUTHOR (V.N.Andreev) 4038500100008 TITLE Measurements of NU(eff) and fission + capture for fast 4038500100009 neutrons in U235 and Pu239. 4038500100010 INC-SOURCE (PHOTO) Sb-Be for 24-keV neutrons , 4038500100011 Na-D(2)O for 240-keV neutrons, 4038500100012 Na-Be for 880-keV neutrons. 4038500100013 Relative intensities of neutron sources were measured 4038500100014 in a water tank. 4038500100015 METHOD (SHELT) Spherical shell transmission 4038500100016 DETECTOR (FISCH) U-235 fis.chamber - for neutron absorption in 4038500100017 spheres. U-238 fis.chamber - for secondary neutrons at4038500100018 center of sphere, these affects were subtracted from 4038500100019 results of U-235 fis.chamber. 4038500100020 SAMPLE Spheres of metallic U-235(90% enriched) and Pu-239 of 4038500100021 internal diameter 5 cm, 1cm wall thickness. 4038500100022 CORRECTION Elastic scattering could be neglected in the first 4038500100023 approximation. 4038500100024 Multiplication and elastic scattering of fission 4038500100025 neutrons in the spheres were measured experimentally by4038500100026 exposing to thermal neutrons. 4038500100027 ANALYSIS Neutrons scattered from walls of apparatus, the finite 4038500100028 distances between sources and detectors, the 4038500100029 uncertainties in size of sources and detectors, the 4038500100030 U-238 and U-235 content and a number of less important 4038500100031 factor were taken into account in analysis. 4038500100032 ERR-ANALYS (ERR-1) Accuracy of neutron sources intensities. 4038500100033 HISTORY (19830919T) Converted from ENTRY 80017 4038500100034 (20130806A) M.M. Upper -> lower case correction. 4038500100035 Dates were corrected for 4-digits year. 4038500100036 BIB information was updated. 4038500100037 Correction in Subents 004,010 according to memo 4038500100038 CP-D/798 (N.Otsuka,NDS,IAEA) : ABS -> NON in reaction. 4038500100039 (20140414A) JNE/B -> JNE ( It was wrong presentation - 4038500100040 mistake by Elsevier ) 4038500100041 ENDBIB 39 0 4038500100042 COMMON 1 3 4038500100043 ERR-1 4038500100044 PER-CENT 4038500100045 2. 4038500100046 ENDCOMMON 3 0 4038500100047 ENDSUBENT 46 0 4038500199999 SUBENT 40385002 20130806 41614038500200001 BIB 3 4 4038500200002 REACTION (92-U-235(N,ABS),,ALF) 4038500200003 STATUS (SCSRS) 4038500200004 ANALYSIS Calculated from ETA, using U235 prompt NU from BNL-325 4038500200005 (1965) and adding delayed NU (by center). 4038500200006 ENDBIB 4 0 4038500200007 NOCOMMON 0 0 4038500200008 DATA 3 1 4038500200009 EN DATA DATA-ERR 4038500200010 MEV NO-DIM NO-DIM 4038500200011 2.4000E-02 2.6000E-01 3.4000E-02 4038500200012 ENDDATA 3 0 4038500200013 ENDSUBENT 12 0 4038500299999 SUBENT 40385003 20130806 41614038500300001 BIB 3 4 4038500300002 REACTION ((92-U-235(N,G)92-U-236,,SIG)+(92-U-235(N,F),,SIG)) 4038500300003 REL-REF (R,12207001,R.C.Allen+,J,PR,104,731,1956) 4038500300004 Transport values of c-s were used in analysis. 4038500300005 STATUS (TABLE) Table of J,AE,4,185,1958 4038500300006 ENDBIB 4 0 4038500300007 NOCOMMON 0 0 4038500300008 DATA 3 3 4038500300009 EN DATA DATA-ERR 4038500300010 MEV B B 4038500300011 2.4000E-02 3.7000E+00 9.0000E-02 4038500300012 2.4000E-01 2.0500E+00 9.0000E-02 4038500300013 8.8000E-01 1.5800E+00 9.0000E-02 4038500300014 ENDDATA 5 0 4038500300015 ENDSUBENT 14 0 4038500399999 SUBENT 40385004 20130806 41614038500400001 BIB 4 6 4038500400002 REACTION (92-U-235(N,NON),,ETA) 4038500400003 REL-REF (R,12207001,R.C.Allen+,J,PR,104,731,1956) 4038500400004 Transport values of c-s were used in analysis. 4038500400005 STATUS (TABLE) Table of J,AE,4,185,1958 4038500400006 HISTORY (20130806A) M.M. Data units were corrected 4038500400007 NO-DIM -> PRT/REAC 4038500400008 ENDBIB 6 0 4038500400009 NOCOMMON 0 0 4038500400010 DATA 3 3 4038500400011 EN DATA DATA-ERR 4038500400012 MEV PRT/REAC PRT/REAC 4038500400013 2.4000E-02 1.9400E+00 5.0000E-02 4038500400014 2.4000E-01 1.9800E+00 8.0000E-02 4038500400015 8.8000E-01 2.2200E+00 1.2000E-01 4038500400016 ENDDATA 5 0 4038500400017 ENDSUBENT 16 0 4038500499999 SUBENT 40385005 20130806 41614038500500001 BIB 3 5 4038500500002 REACTION (92-U-235(N,ABS),,ALF) 4038500500003 ANALYSIS Calculated from ETA, using U235 prompt NU from BNL-325 4038500500004 (1965) and adding delayed NU (by center). 4038500500005 STATUS (DEP,40385004) 4038500500006 (SCSRS) 4038500500007 ENDBIB 5 0 4038500500008 NOCOMMON 0 0 4038500500009 DATA 3 3 4038500500010 EN DATA DATA-ERR 4038500500011 MEV NO-DIM NO-DIM 4038500500012 2.4000E-02 2.6000E-01 3.4000E-02 4038500500013 2.4000E-01 2.4500E-01 5.0000E-02 4038500500014 8.8000E-01 1.1400E-01 6.0000E-02 4038500500015 ENDDATA 5 0 4038500500016 ENDSUBENT 15 0 4038500599999 SUBENT 40385006 20130806 41614038500600001 BIB 3 4 4038500600002 REACTION (92-U-235(N,G)92-U-236,,SIG) 4038500600003 STATUS (SCSRS) 4038500600004 ANALYSIS Calculated from absorption data using fission values 4038500600005 from BNL-325(1965). 4038500600006 ENDBIB 4 0 4038500600007 NOCOMMON 0 0 4038500600008 DATA 2 3 4038500600009 EN DATA 4038500600010 MEV B 4038500600011 2.4000E-02 6.4200E-01 4038500600012 2.4000E-01 3.3600E-01 4038500600013 8.8000E-01 1.3800E-01 4038500600014 ENDDATA 5 0 4038500600015 ENDSUBENT 14 0 4038500699999 SUBENT 40385007 20130806 41614038500700001 BIB 3 4 4038500700002 REACTION (94-PU-239(N,G)94-PU-240,,SIG) 4038500700003 STATUS (SCSRS) 4038500700004 ANALYSIS Calculated from measured ALPHA, using BNL-325(1965) 4038500700005 fission data 4038500700006 ENDBIB 4 0 4038500700007 NOCOMMON 0 0 4038500700008 DATA 2 3 4038500700009 EN DATA 4038500700010 MEV B 4038500700011 2.4000E-02 6.4800E-01 4038500700012 2.4000E-01 6.9000E-02 4038500700013 8.8000E-01 1.1000E-02 4038500700014 ENDDATA 5 0 4038500700015 ENDSUBENT 14 0 4038500799999 SUBENT 40385008 20130806 41614038500800001 BIB 3 3 4038500800002 REACTION (94-PU-239(N,ABS),,ALF) 4038500800003 STATUS (SCSRS) 4038500800004 ANALYSIS Calculated from ETA using BNL325 prompt NU+a delayed NU4038500800005 ENDBIB 3 0 4038500800006 NOCOMMON 0 0 4038500800007 DATA 3 3 4038500800008 EN DATA DATA-ERR 4038500800009 MEV NO-DIM NO-DIM 4038500800010 2.4000E-02 3.4100E-01 6.4000E-02 4038500800011 2.4000E-01 4.3000E-02 5.7000E-02 4038500800012 8.8000E-01 7.0000E-03 7.2000E-02 4038500800013 ENDDATA 5 0 4038500800014 ENDSUBENT 13 0 4038500899999 SUBENT 40385009 20130806 41614038500900001 BIB 3 4 4038500900002 REACTION ((94-PU-239(N,G)94-PU-240,,SIG)+(94-PU-239(N,F),,SIG)) 4038500900003 REL-REF (R,12207001,R.C.Allen+,J,PR,104,731,1956) 4038500900004 Transport values of c-s were used in analysis. 4038500900005 STATUS (TABLE) Table of J,AE,4,185,1958 4038500900006 ENDBIB 4 0 4038500900007 NOCOMMON 0 0 4038500900008 DATA 3 3 4038500900009 EN DATA DATA-ERR 4038500900010 MEV B B 4038500900011 2.4000E-02 2.5600E+00 9.0000E-02 4038500900012 2.4000E-01 1.8900E+00 1.1000E-01 4038500900013 8.8000E-01 1.7900E+00 1.3000E-01 4038500900014 ENDDATA 5 0 4038500900015 ENDSUBENT 14 0 4038500999999 SUBENT 40385010 20130806 41614038501000001 BIB 4 6 4038501000002 REACTION (94-PU-239(N,NON),,ETA) 4038501000003 REL-REF (R,12207001,R.C.Allen+,J,PR,104,731,1956) 4038501000004 Transport values of c-s were used in analysis. 4038501000005 STATUS (TABLE) Table of J,AE,4,185,1958 4038501000006 HISTORY (20130806A) M.M. Data units were corrected 4038501000007 NO-DIM -> PRT/REAC 4038501000008 ENDBIB 6 0 4038501000009 NOCOMMON 0 0 4038501000010 DATA 3 3 4038501000011 EN DATA DATA-ERR 4038501000012 MEV PRT/REAC PRT/REAC 4038501000013 2.4000E-02 2.1700E+00 7.0000E-02 4038501000014 2.4000E-01 2.8200E+00 1.2000E-01 4038501000015 8.8000E-01 3.0000E+00 1.9000E-01 4038501000016 ENDDATA 5 0 4038501000017 ENDSUBENT 16 0 4038501099999 ENDENTRY 10 0 4038599999999