ENTRY 40398 20170123 41754039800000001 SUBENT 40398001 20170123 41754039800100001 BIB 16 48 4039800100002 INSTITUTE (4RUSNIR) 4039800100003 REFERENCE (J,SNP,18,364,1974) Eng.trans.of YF,18,(4),710,1973 4039800100004 (J,YF,18,(4),710,197304) Graph only 4039800100005 AUTHOR (V.P.Zakharova, D.K.Ryazanov, B.G.Basova, 4039800100006 A.D.Rabinovich, V.A.Korostylev) 4039800100007 TITLE Fission of U-233 and U-235 by thermal neutrons 4039800100008 FACILITY (REAC,4RUSNIR) Thermal reactor SM-2 4039800100009 INC-SOURCE (REAC) Horizontal beam of SM-2 reactor collimated 4039800100010 in the shape of a slit 2 mm wide , 20 mm high. 4039800100011 METHOD (COINC) Coincidence method between fission fragments 4039800100012 DETECTOR (IOCH) Double back-to-back ionization chamber for 4039800100013 registration of fission fragments. 4039800100014 Filled with Ar+ 2.5% CO(2) at pressure 0.22 atm. 4039800100015 SAMPLE Weight of the active layer < 3 microgram/cm2 for 4039800100016 both U-233, U-235. Prepared by capillary deposition of 4039800100017 alcohol solution of uranil nitrate on an organic film 4039800100018 of 6 microgram/cm2 covered by a Au layer of 20 4039800100019 microgram/cm2 . 4039800100020 ANALYSIS Fission fragment masses were defined according to 4039800100021 their measured energy in virtue of law of preservation 4039800100022 for mass and impulse. 4039800100023 For energy calibration of analyzer authors used 4039800100024 average kinetic energy of light and heavy fragments 4039800100025 for fission of U-234 obtained in article (see REL-REF) 4039800100026 REL-REF (M,,V.P.Zakharova+,J,YF,16,649,1972) 4039800100027 Method of measurement as for U-235 . 4039800100028 (M,,V.P.Zakharova+,J,SNP,16,364,1973) 4039800100029 Engl.translation of YF,16,649,1972 4039800100030 (M,,J.C.S.Milton+,J,CJP,40,1626,1962). 4039800100031 Average kinetic energy of light and heavy fragments 4039800100032 equal 99.47 and 67.41 MeV,respectively 4039800100033 ASSUMED (ASSUM1,92-U-234(N,F)MASS,,KE,LF) 4039800100034 (ASSUM2,92-U-234(N,F)MASS,,KE,HF) 4039800100035 were used for energy calibration. 4039800100036 STATUS (APRVD) Data approved by authors 4039800100037 CORRECTION Correction on neutron yield from fission fragments 4039800100038 was not introduced 4039800100039 With calibration procedure, corrections are 4039800100040 automatically made for the ionization deficit of the 4039800100041 fragments, the energy loss due to neutron emission, 4039800100042 the small loss in the target backing. 4039800100043 ERR-ANALYS (ERR-S) All errors are statistical 4039800100044 HISTORY (19770221C) 4039800100045 (20150218U) SD: Updated to new date formats,lower case.4039800100046 Ref. on Engl.transl. of YF added. 4039800100047 (20170123U) M.M. Article was checked, BIB information 4039800100048 was updated in AUTHOR,FACILITY,DETECTOR,correction. 4039800100049 INC-SOURCE,SAMPLE,ASSUMED were added 4039800100050 ENDBIB 48 0 4039800100051 COMMON 3 3 4039800100052 EN ASSUM1 ASSUM2 4039800100053 EV MEV MEV 4039800100054 2.5300E-02 99.47 67.41 4039800100055 ENDCOMMON 3 0 4039800100056 ENDSUBENT 55 0 4039800199999 SUBENT 40398002 20170123 41754039800200001 BIB 4 8 4039800200002 REACTION (92-U-233(N,F)MASS,,KE) 4039800200003 Average kinetic energy 4039800200004 of fission fragment with given mass 4039800200005 MISC-COL (MISC1) Kinetic energy variance of fission fragments 4039800200006 (MISC2) ratio of width of energy spectra on half height4039800200007 to kinetic energy variance. 4039800200008 STATUS (TABLE) Form authors. 4039800200009 HISTORY (20170123U) M.M. ,AKE,FF) -> ,KE) 4039800200010 ENDBIB 8 0 4039800200011 NOCOMMON 0 0 4039800200012 DATA 5 57 4039800200013 MASS DATA ERR-S MISC1 MISC2 4039800200014 NO-DIM MEV MEV MEV NO-DIM 4039800200015 7.2750E+01 1.4980E+02 1.1400E+00 5.1400E+00 1.3700E+00 4039800200016 7.4250E+01 1.4622E+02 5.5000E-01 7.1600E+00 1.3600E+00 4039800200017 7.5750E+01 1.4732E+02 5.1000E-01 7.8400E+00 1.8600E+00 4039800200018 7.7250E+01 1.4752E+02 4.0000E-01 7.5300E+00 2.6000E+00 4039800200019 7.8750E+01 1.4945E+02 2.8000E-01 8.1300E+00 2.4800E+00 4039800200020 8.0250E+01 1.5194E+02 1.9000E-01 8.3000E+00 2.5100E+00 4039800200021 8.1750E+01 1.5406E+02 1.1000E-01 7.9600E+00 2.2600E+00 4039800200022 8.3250E+01 1.5545E+02 7.0000E-02 7.7200E+00 2.3300E+00 4039800200023 8.4750E+01 1.5727E+02 5.0000E-02 7.4900E+00 2.3600E+00 4039800200024 8.6250E+01 1.5885E+02 3.0000E-02 7.4200E+00 2.3400E+00 4039800200025 8.7750E+01 1.6014E+02 3.0000E-02 7.3700E+00 2.2100E+00 4039800200026 8.9250E+01 1.6173E+02 2.0000E-02 7.4500E+00 2.3400E+00 4039800200027 9.0750E+01 1.6355E+02 2.0000E-02 7.4500E+00 2.4300E+00 4039800200028 9.2250E+01 1.6491E+02 1.0000E-02 7.3600E+00 2.3500E+00 4039800200029 9.3750E+01 1.6596E+02 1.0000E-02 7.5200E+00 2.3500E+00 4039800200030 9.5250E+01 1.6755E+02 1.0000E-02 7.8500E+00 2.3800E+00 4039800200031 9.6750E+01 1.6926E+02 1.0000E-02 8.1700E+00 2.3400E+00 4039800200032 9.8250E+01 1.7090E+02 1.5000E-02 8.6400E+00 2.3300E+00 4039800200033 9.9750E+01 1.7264E+02 2.0000E-02 9.1200E+00 2.4100E+00 4039800200034 1.0125E+02 1.7431E+02 2.0000E-02 9.3000E+00 2.5100E+00 4039800200035 1.0275E+02 1.7515E+02 2.0000E-02 9.2500E+00 2.3500E+00 4039800200036 1.0425E+02 1.7548E+02 3.0000E-02 9.4600E+00 2.4400E+00 4039800200037 1.0575E+02 1.7503E+02 3.5000E-02 9.6400E+00 2.4900E+00 4039800200038 1.0725E+02 1.7444E+02 5.0000E-02 9.9200E+00 2.3900E+00 4039800200039 1.0875E+02 1.7286E+02 9.0000E-02 1.0460E+01 2.2300E+00 4039800200040 1.1025E+02 1.7080E+02 1.5000E-01 1.1810E+01 2.0600E+00 4039800200041 1.1175E+02 1.6924E+02 2.4000E-01 1.3650E+01 1.7000E+00 4039800200042 1.1325E+02 1.6754E+02 3.7000E-01 1.5040E+01 1.6000E+00 4039800200043 1.2375E+02 1.6872E+02 2.2000E-01 1.2930E+01 1.9400E+00 4039800200044 1.2525E+02 1.7140E+02 1.4000E-01 1.1590E+01 1.8000E+00 4039800200045 1.2675E+02 1.7337E+02 8.0000E-02 1.0640E+01 2.1900E+00 4039800200046 1.2825E+02 1.7525E+02 4.0000E-02 1.0020E+01 2.3900E+00 4039800200047 1.2975E+02 1.7572E+02 3.0000E-02 9.7100E+00 2.3500E+00 4039800200048 1.3125E+02 1.7561E+02 2.0000E-02 9.5700E+00 2.5100E+00 4039800200049 1.3275E+02 1.7539E+02 2.0000E-02 9.5000E+00 2.4800E+00 4039800200050 1.3425E+02 1.7409E+02 2.0000E-02 9.4900E+00 2.3500E+00 4039800200051 1.3575E+02 1.7199E+02 2.0000E-02 9.0100E+00 2.1100E+00 4039800200052 1.3725E+02 1.7039E+02 1.5000E-02 8.6800E+00 2.3800E+00 4039800200053 1.3875E+02 1.6877E+02 1.5000E-02 8.3400E+00 2.4500E+00 4039800200054 1.4025E+02 1.6700E+02 1.0000E-02 8.0900E+00 2.3000E+00 4039800200055 1.4175E+02 1.6537E+02 1.0000E-02 7.6500E+00 2.2600E+00 4039800200056 1.4325E+02 1.6422E+02 1.0000E-02 7.5200E+00 2.3700E+00 4039800200057 1.4475E+02 1.6298E+02 1.5000E-02 7.5600E+00 2.3400E+00 4039800200058 1.4625E+02 1.6127E+02 2.0000E-02 7.5800E+00 2.2400E+00 4039800200059 1.4775E+02 1.5941E+02 2.5000E-02 7.4300E+00 2.2400E+00 4039800200060 1.4925E+02 1.5788E+02 3.0000E-02 7.4300E+00 2.2700E+00 4039800200061 1.5075E+02 1.5635E+02 4.0000E-02 7.4800E+00 2.1700E+00 4039800200062 1.5225E+02 1.5466E+02 6.0000E-02 7.4200E+00 2.2000E+00 4039800200063 1.5375E+02 1.5305E+02 9.0000E-02 7.6300E+00 2.3700E+00 4039800200064 1.5525E+02 1.5165E+02 1.4000E-01 7.8700E+00 2.0100E+00 4039800200065 1.5675E+02 1.4921E+02 2.3000E-01 7.9800E+00 2.3600E+00 4039800200066 1.5825E+02 1.4726E+02 3.9000E-01 8.3400E+00 2.2700E+00 4039800200067 1.5975E+02 1.4590E+02 5.0000E-01 7.5400E+00 1.8300E+00 4039800200068 1.6125E+02 1.4517E+02 6.1000E-01 7.1600E+00 2.4600E+00 4039800200069 1.6275E+02 1.4644E+02 8.1000E-01 7.4500E+00 4.8000E+00 4039800200070 1.6425E+02 1.4663E+02 9.5000E-01 5.8700E+00 1.4300E+00 4039800200071 1.6575E+02 1.4961E+02 9.3000E-01 4.9900E+00 1.0600E+00 4039800200072 ENDDATA 59 0 4039800200073 ENDSUBENT 72 0 4039800299999 ENDENTRY 2 0 4039899999999