ENTRY 41060 20191028 41864106000000001 SUBENT 41060001 20191028 41864106000100001 BIB 14 39 4106000100002 INSTITUTE (4RUSFEI) Institute for Physics and Power Engineering, 4106000100003 Obninsk, USSR 4106000100004 REFERENCE (J,PAN,56,24,1993) Engl.translation of: 4106000100005 (J,YF,56,43,1993) Issue 1 . 4106000100006 Subent 002 data on fig.2 (left, lower) 4106000100007 (R,INDC(CCP)-0341,1991) Fig.15 data for Subent 003 . 4106000100008 (W,GOVERDOVSKIY,199209) 4106000100009 (W,GOVERDOVSKIY,20200110) 4106000100010 Explanation of data. 4106000100011 AUTHOR (A.A.Goverdovskii,V.F.Mitrofanov) 4106000100012 A.Goverdovsky=A.Goverdovskiy=A.Goverdovskii 4106000100013 TITLE Symmetric and asymmetric fission of 236U, 238U, 237Np,4106000100014 and 243Am by neutrons with energy 16.5 MeV 4106000100015 REL-REF (O,41682001,A.A.Goverdovskii,J,PAN,56,24,1993) 4106000100016 Data for U-236,238, Np-237 measured by Si-detectors 4106000100017 FACILITY (VDG,4RUSFEI) Accelerator KG-2.5,IPPE 4106000100018 INC-SOURCE (D-T) Neutron source- t(d,n)-reaction 4106000100019 SAMPLE Thin Am,U-targets 4106000100020 0.05-0.09 mg/cm2, Al2-O3 backing: 0.04 mg/cm2 4106000100021 (95-AM-243,ENR=0.973) And 2.7 % Am-241. 4106000100022 METHOD 2E-method 4106000100023 DETECTOR (SI) Si-Au-detectors in coincidence for FF spectrometry4106000100024 ANALYSIS U-235(N,F) primary FY mass distribution for incident 4106000100025 thermal neutrons were used for detector calibration. 4106000100026 CORRECTION Prompt neutron emission corrections 4106000100027 using data for average for U-235 thermal neutron4106000100028 fission and Cf-252 spontaneous fission. 4106000100029 ERR-ANALYS (ERR-S) One-sigma statistical error 4106000100030 HISTORY (19920922R) 4106000100031 (19940330C) + + Compiled at the center - CJD + + 4106000100032 (19960612U) + + Reference added in SAN 002 4106000100033 (20180215A) M.M. Upper -> lower case correction. 4106000100034 Dates were corrected for 4-digits year. 4106000100035 (20191028A) Subent 003 reaction was corrected. 4106000100036 Three refs. were added. 4106000100037 COMMENT was moved in Subent 003. 4106000100038 BIB information was updated. 4106000100039 MONITOR information was moved in ANALYSIS according to 4106000100040 a comment of N.Osuka (NDS,IAEA) 4106000100041 ENDBIB 39 0 4106000100042 COMMON 2 3 4106000100043 EN EN-NRM 4106000100044 MEV EV 4106000100045 16.5 2.53E-02 4106000100046 ENDCOMMON 3 0 4106000100047 ENDSUBENT 46 0 4106000199999 SUBENT 41060002 20191028 41864106000200001 BIB 5 13 4106000200002 REACTION (95-AM-243(N,F)MASS,PRE,FY) 4106000200003 REL-REF (N,41681002,A.A.Goverdovsky+,J,YF,58,1948,1995) Iss.11 4106000200004 (N,41681002,A.A.Goverdovsky+,J,PAN,58,1841,1995) 4106000200005 Mass distribution for En=1.MeV measured by ionization 4106000200006 chamber. 4106000200007 ANALYSIS Mass resolution of spectrometer was taken into 4106000200008 account at analysis of experimental data. 4106000200009 STATUS (TABLE) Data are obtained from the author 4106000200010 A.Goverdovskiy, 1992-09-22 4106000200011 Data on Fig.2 left lower of Yad.Fiz.,v.56,is.1,p.43,1994106000200012 HISTORY (19960612U) Reference YF,58,(11),1948,1995 added 4106000200013 (20180215A) M.M. Ref. PAN,58,1841,1995 was added. 4106000200014 Refs. were moved in REL-REF. 4106000200015 ENDBIB 13 0 4106000200016 NOCOMMON 0 0 4106000200017 DATA 3 45 4106000200018 MASS DATA ERR-S 4106000200019 NO-DIM PC/FIS PC/FIS 4106000200020 122. 1.91 .15 4106000200021 123. 1.86 .15 4106000200022 124. 1.80 .15 4106000200023 125. 1.86 .15 4106000200024 126. 1.90 .15 4106000200025 127. 2.05 .16 4106000200026 128. 2.25 .16 4106000200027 129. 2.55 .17 4106000200028 130. 3.14 .19 4106000200029 131. 3.70 .21 4106000200030 132. 4.22 .22 4106000200031 133. 4.34 .23 4106000200032 134. 4.36 .23 4106000200033 135. 4.36 .23 4106000200034 136. 4.37 .23 4106000200035 137. 4.26 .22 4106000200036 138. 4.20 .22 4106000200037 139. 4.14 .22 4106000200038 140. 4.10 .22 4106000200039 141. 4.00 .22 4106000200040 142. 3.90 .21 4106000200041 143. 3.72 .21 4106000200042 144. 3.45 .20 4106000200043 145. 3.30 .20 4106000200044 146. 3.00 .19 4106000200045 147. 2.62 .18 4106000200046 148. 2.40 .17 4106000200047 149. 2.24 .16 4106000200048 150. 2.00 .15 4106000200049 151. 1.80 .15 4106000200050 152. 1.58 .14 4106000200051 153. 1.35 .13 4106000200052 154. 1.14 .12 4106000200053 155. .94 .11 4106000200054 156. .80 .10 4106000200055 157. .60 .08 4106000200056 158. .50 .08 4106000200057 159. .38 .07 4106000200058 160. .30 .06 4106000200059 161. .24 .05 4106000200060 162. .18 .05 4106000200061 163. .14 .04 4106000200062 164. .09 .03 4106000200063 165. .05 .02 4106000200064 166. .02 .02 4106000200065 ENDDATA 47 0 4106000200066 ENDSUBENT 65 0 4106000299999 SUBENT 41060003 20191028 41864106000300001 BIB 5 19 4106000300002 REACTION (95-AM-243(N,F)MASS,PRE,FY,,MSC,DERIV) 4106000300003 Primary mass yield from the first chance fission. 4106000300004 See explanation in ANALYSIS and comment of author. 4106000300005 ANALYSIS Derived from directly measured data according to 4106000300006 1st chance of fission through Am-244* in frames of 4106000300007 chance model of fission . 4106000300008 COMMENT Of author A.Goverdovsky at 1992. 4106000300009 Mass spectrum for fissile system Am-244 4106000300010 corrected on impurity of (n,n'f) and (n,2n'f) 4106000300011 reactions . 4106000300012 STATUS (TABLE) Data are obtained from the author 4106000300013 A.Goverdovskiy, 1992-09-22 4106000300014 Data are on fig.15 of INDC-CCP-0341,1991 4106000300015 (DEP,41060002) Directly measured data. 4106000300016 HISTORY (20191028A) Reaction SF1 was corrected: 4106000300017 Am-244 -> Am-243 (confirmed by A.Goverdovsky and 4106000300018 V.Mitrofanov). 4106000300019 Code DERIV was added in reaction. 4106000300020 ANALYSIS was added. 4106000300021 ENDBIB 19 0 4106000300022 NOCOMMON 0 0 4106000300023 DATA 3 45 4106000300024 MASS DATA ERR-S 4106000300025 NO-DIM PC/FIS PC/FIS 4106000300026 122. 3.12 .19 4106000300027 123. 3.09 .19 4106000300028 124. 2.99 .19 4106000300029 125. 2.88 .18 4106000300030 126. 2.68 .18 4106000300031 127. 2.60 .17 4106000300032 128. 2.68 .18 4106000300033 129. 2.78 .18 4106000300034 130. 3.27 .20 4106000300035 131. 3.88 .21 4106000300036 132. 3.92 .21 4106000300037 133. 3.89 .21 4106000300038 134. 3.73 .21 4106000300039 135. 3.60 .21 4106000300040 136. 3.48 .20 4106000300041 137. 3.35 .20 4106000300042 138. 3.24 .20 4106000300043 139. 3.19 .19 4106000300044 140. 3.09 .19 4106000300045 141. 3.07 .19 4106000300046 142. 2.98 .19 4106000300047 143. 2.94 .19 4106000300048 144. 2.91 .19 4106000300049 145. 2.86 .18 4106000300050 146. 2.78 .18 4106000300051 147. 2.62 .18 4106000300052 148. 2.50 .17 4106000300053 149. 2.31 .16 4106000300054 150. 2.13 .16 4106000300055 151. 1.96 .15 4106000300056 152. 1.80 .15 4106000300057 153. 1.55 .14 4106000300058 154. 1.37 .13 4106000300059 155. 1.18 .12 4106000300060 156. .98 .11 4106000300061 157. .82 .10 4106000300062 158. .65 .09 4106000300063 159. .57 .08 4106000300064 160. .47 .07 4106000300065 161. .36 .07 4106000300066 162. .29 .06 4106000300067 163. .20 .05 4106000300068 164. .13 .04 4106000300069 165. .08 .03 4106000300070 166. .03 .02 4106000300071 ENDDATA 47 0 4106000300072 ENDSUBENT 71 0 4106000399999 ENDENTRY 3 0 4106099999999