ENTRY 41493 20130208 41594149300000001 SUBENT 41493001 20130208 41594149300100001 BIB 12 31 4149300100002 TITLE Measurement and Analysis of Mass and Energy 4149300100003 Distributions for Pu-239 Products of Fission by 4149300100004 thermal neutrons 4149300100005 AUTHOR (Yu.N.Koblik, V.P.Pikul', A.V.Khugaev, B.S.Yuldashev, 4149300100006 P.D.Ioannu, E.S.Flitsiyan) 4149300100007 INSTITUTE (4UZ UZB) Yu.N.Koblik, V.P.Pikul', A.V.Khugaev, 4149300100008 B.S.Yuldashev 4149300100009 (2GRCGRC) P.D.Ioannu - Athens University, Nuclear 4149300100010 Physics Department. 4149300100011 (1USAFLA) E.S.Flitsiyan 4149300100012 REFERENCE (J,IZV,70,(5),673,200605) Main reference. 4149300100013 (J,BAS,70,(5),774,2006)Engl.translation of IZV,70,5,6734149300100014 REL-REF (I,,V.I.Kogan+,C,89LENING,134,1989) Details of experim.4149300100015 setup. 4149300100016 FACILITY (REAC,4UZ UZB) WWR-SM reactor 4149300100017 (SPECM,4UZ UZB) Electromagnetic mass spectrometer 4149300100018 placed on horizontal channel of reactor 4149300100019 Mass resolution M/deltaM about 1100. 4149300100020 INC-SPECT Thermal neutron beam at target place - 4149300100021 2.E+12 neutron/cm**2/sec.Cadmium ratio = 25 . 4149300100022 SAMPLE Evaporated in vacuum on aluminum backing targets from 4149300100023 Pu-239 of 98% enrichment, active layer thickness 4149300100024 50 microg/cm**2 and 40 x 5 mm**2. 4149300100025 DETECTOR (TRD) Solid-state track detector. 4149300100026 (SISD) Semi-conductor silicon detector. 4149300100027 EN-SEC (E,HF) Kinetic energy of heavy fission products 4149300100028 ERR-ANALYS (ERR-1,,2.) Maximal error of fission products absolute 4149300100029 yields measurement. 4149300100030 (E-ERR) Error of average kinetic energy. 4149300100031 HISTORY (20070426C) Compiled at CJD (M.M.) 4149300100032 (20130208A) FLAG was added in Subent 002. 4149300100033 ENDBIB 31 0 4149300100034 COMMON 2 3 4149300100035 EN-DUMMY E-ERR 4149300100036 EV PER-CENT 4149300100037 2.53E-02 0.05 4149300100038 ENDCOMMON 3 0 4149300100039 ENDSUBENT 38 0 4149300199999 SUBENT 41493002 20130208 41594149300200001 BIB 4 14 4149300200002 REACTION ((94-PU-239(N,F)MASS,PRE,FY/DE,,MXW)// 4149300200003 (94-PU-239(N,F)MASS,PRE,FY/DE,,MXW)) 4149300200004 Relative mass yields of fission products at different 4149300200005 kinetic energies of heavy fission products. 4149300200006 Units of data in Fig.2 are %. 4149300200007 ANALYSIS For each mass number the summing was made over all 4149300200008 ionic charges for each value of kinetic energy. 4149300200009 Fission product yield was determined relative to 4149300200010 product yield of mass A=145. 4149300200011 Normalization was made to total yield for each energy. 4149300200012 FLAG (1.) Duplicative data point at mass 157, data from 4149300200013 author, probably E 60. -> 62.5 in second point. 4149300200014 STATUS (TABLE)Data received from author Yu.N.Koblik 13.02.20074149300200015 Data presented in Fig.2 of reference. 4149300200016 ENDBIB 14 0 4149300200017 COMMON 1 3 4149300200018 MASS-DN 4149300200019 NO-DIM 4149300200020 145. 4149300200021 ENDCOMMON 3 0 4149300200022 DATA 4 72 4149300200023 MASS E DATA FLAG 4149300200024 NO-DIM MEV NO-DIM NO-DIM 4149300200025 145. 57.5 0.2639 4149300200026 145. 60.0 0.3105 4149300200027 145. 62.5 0.2672 4149300200028 145. 65.0 0.2846 4149300200029 145. 67.5 0.3025 4149300200030 145. 70.0 0.5000 4149300200031 145. 72.5 0.4783 4149300200032 145. 75.0 0.4545 4149300200033 146. 57.5 0.1944 4149300200034 146. 60.0 0.2192 4149300200035 146. 62.5 0.2024 4149300200036 146. 65.0 0.2385 4149300200037 146. 67.5 0.2521 4149300200038 146. 70.0 0.2692 4149300200039 146. 72.5 0.2609 4149300200040 146. 75.5 0.2727 4149300200041 147. 57.5 0.1389 4149300200042 147. 60.0 0.1461 4149300200043 147. 62.5 0.1619 4149300200044 147. 65.0 0.1769 4149300200045 147. 67.5 0.1765 4149300200046 147. 70.0 0.1154 4149300200047 147. 72.5 0.1304 4149300200048 147. 75.5 0.1818 4149300200049 148. 57.5 0.0972 4149300200050 148. 60.0 0.0913 4149300200051 148. 62.5 0.1134 4149300200052 148. 65.0 0.1231 4149300200053 148. 67.5 0.1261 4149300200054 148. 70.0 0.0577 4149300200055 148. 72.5 0.0870 4149300200056 148. 75.5 0.0909 4149300200057 149. 57.5 0.0694 4149300200058 149. 60.0 0.0548 4149300200059 149. 62.5 0.0567 4149300200060 149. 65.0 0.0615 4149300200061 149. 67.5 0.0588 4149300200062 149. 70.0 0.0385 4149300200063 149. 72.5 0.0435 4149300200064 150. 57.5 0.0417 4149300200065 150. 60.0 0.0365 4149300200066 150. 62.5 0.0405 4149300200067 150. 65.0 0.0385 4149300200068 150. 67.5 0.0336 4149300200069 150. 70.0 0.0192 4149300200070 151. 57.5 0.0417 4149300200071 151. 60.0 0.0274 4149300200072 151. 62.5 0.0324 4149300200073 151. 65.0 0.0308 4149300200074 151. 67.5 0.0252 4149300200075 152. 57.5 0.0417 4149300200076 152. 60.0 0.0183 4149300200077 152. 62.5 0.0243 4149300200078 152. 65.0 0.0231 4149300200079 152. 67.5 0.0168 4149300200080 153. 57.5 0.0278 4149300200081 153. 60.0 0.0274 4149300200082 153. 62.5 0.0324 4149300200083 153. 65.0 0.0154 4149300200084 153. 67.5 0.0084 4149300200085 154. 57.5 0.0417 4149300200086 154. 60.0 0.0320 4149300200087 154. 62.5 0.0283 4149300200088 154. 65.0 0.0077 4149300200089 155. 57.5 0.0278 4149300200090 155. 60.0 0.0183 4149300200091 155. 62.5 0.0202 4149300200092 156. 57.5 0.0139 4149300200093 156. 60.0 0.0091 4149300200094 156. 62.5 0.0121 4149300200095 157. 60.0 0.0091 4149300200096 157. 60.0 0.0081 1. 4149300200097 ENDDATA 74 0 4149300200098 ENDSUBENT 97 0 4149300299999 ENDENTRY 2 0 4149399999999