ENTRY 41544 20101028 41514154400000001 SUBENT 41544001 20101028 41514154400100001 BIB 16 56 4154400100002 TITLE Investigation of mass-TKE distributions of fission 4154400100003 fragments from the U-235(n,f)- reaction in resonances.4154400100004 AUTHOR (S.Zeynalov, V.Furman, F.-J.Hambsch, M.Florec, 4154400100005 V.Yu.Konovalov,V.A.Khryachkov,Yu.S.Zamyatnin) 4154400100006 INSTITUTE (4ZZZDUB) S.Zeynalov, V.Furman,M.Florec,V.Yu.Konovalov,4154400100007 Yu.S.Zamyatnin 4154400100008 (2ZZZGEL) F.-J.Hambsch 4154400100009 (4RUSFEI) V.A.Khryachkov 4154400100010 REFERENCE (S,ISINN-13,351,2006) 4154400100011 Preliminary publications: 4154400100012 (S,ISINN-7,258,1999) 4154400100013 (S,ISINN-6,274,1998) 4154400100014 FACILITY (REAC,4ZZZDUB) Reactor IBR-30 4154400100015 REL-REF (M,,F.-J.Hambsch,S,ISINN-12,262,2004) 4154400100016 Multi-modal model. 4154400100017 (R,,A.Oed+,J,NIM,205,455,1983) 4154400100018 (R,,C.Wagemans+,B,WAGEMANS,,1991) 4154400100019 Mean LF kinetic energy and TKE, used for absolute 4154400100020 energy scale calibration -see ASSUMED. 4154400100021 (M,,F.-J.Hambsch+,J,NP/A,491,56,1989) 4154400100022 (M,,H.-H.Knitter+,C,87KIEV,3,22,1987) 4154400100023 INC-SOURCE (REAC) Pulse neutron source, 100 Hz pulse repetition, 4154400100024 9.8 kW beam power. 4154400100025 Collimator system. 4154400100026 INC-SPECT Pulse structure of neutron source can be considered as4154400100027 superposition of three sources with integral flux 4154400100028 3.E16 n/sec: steady state reactor flux and two 4154400100029 synchronously pulsed sources with FWHM about 4154400100030 800 microsec and about 4 microsec. 4154400100031 METHOD (TOF) Simultaneous measurement of fission fragment 4154400100032 characteristics for thermal and resonance neutron 4154400100033 induced fission using small hole in the center of Cd 4154400100034 filter placed between the exit of neutron beam tube and4154400100035 IOCH. Thermal neutron induced fission was separated 4154400100036 from resonance neutron induced fission by TOF. 4154400100037 (PHD) 4154400100038 Pre-neutron emission mass and kinetic energy 4154400100039 distributions were measured. 4154400100040 SAMPLE Uranium sample of about 60 microg/cm**2 thickness, 4154400100041 evaporated on polyamide layer of 33+-3 microg/cm**2, 4154400100042 covered with gold layer of about 20 microg/cm**2. 4154400100043 DETECTOR (IOCH) Double Frisch-gridded ionization chamber. 4154400100044 Operated with 90% Ar + 10% CH4 gas mixture at constant 4154400100045 pressure 1.05 bar. 4154400100046 ANALYSIS Fission fragment energies were derived from pulse 4154400100047 height data after corrections. 4154400100048 CORRECTION For Frisch-grid inefficiency, 4154400100049 For energy loss in the target and in backing, 4154400100050 For pulse height defect in the counter gas and momentum4154400100051 conservation low. 4154400100052 ADD-RES (THEO) MM-RNR model parameters. 4154400100053 STATUS (TABLE) Request for the data was sent to Shakir 4154400100054 Zeynalov 02.11.2010. 4154400100055 (APRVD) Approved by Shakir Zeynalov 23.11.2010. 4154400100056 HISTORY (20101028C) M.M. 4154400100057 (20101118R) Data were received from Sh.Zeynalov. 4154400100058 ENDBIB 56 0 4154400100059 NOCOMMON 0 0 4154400100060 ENDSUBENT 59 0 4154400199999 SUBENT 41544002 20101028 41514154400200001 BIB 5 12 4154400200002 REACTION (92-U-235(N,F)MASS,PRE,FY) 4154400200003 ANALYSIS Thermal neutron induced fission was used as reference.4154400200004 LF mean kinetic energy and TKE for thermal fission from4154400200005 REL-REF of C.Wagemans+ (with agreement with that of 4154400200006 A.Oed+) were used for calibration purpose to 4154400200007 construct absolute energy scale. 4154400200008 ASSUMED (ASSUM1,92-U-235(N,F),PRE,AKE,LF+HF) TKE used in 4154400200009 analysis. 4154400200010 (ASSUM2,92-U-235(N,F),PRE,AKE,LF) LF average kinetic 4154400200011 energy used in analysis. 4154400200012 ERR-ANALYS (ERR-S,,0.3) Statistical error. 4154400200013 STATUS Data are on Fig.3 of ISINN-13. 4154400200014 ENDBIB 12 0 4154400200015 COMMON 3 3 4154400200016 EN-MAX ASSUM1 ASSUM2 4154400200017 EV MEV MEV 4154400200018 35. 170.6 101.4 4154400200019 ENDCOMMON 3 0 4154400200020 DATA 2 81 4154400200021 MASS DATA 4154400200022 NO-DIM PC/FIS 4154400200023 80. 0.03 4154400200024 81. 0.05 4154400200025 82. 0.1 4154400200026 83. 0.3 4154400200027 84. 0.6 4154400200028 85. 0.84737 4154400200029 86. 1.24403 4154400200030 87. 1.62185 4154400200031 88. 2.15903 4154400200032 89. 2.85661 4154400200033 90. 3.79179 4154400200034 91. 4.63442 4154400200035 92. 5.33909 4154400200036 93. 5.8382 4154400200037 94. 6.17001 4154400200038 95. 6.44999 4154400200039 96. 6.66211 4154400200040 97. 6.63968 4154400200041 98. 6.36357 4154400200042 99. 6.07091 4154400200043 100. 5.95903 4154400200044 101. 5.92355 4154400200045 102. 5.65326 4154400200046 103. 4.89357 4154400200047 104. 3.87795 4154400200048 105. 2.80217 4154400200049 106. 1.78921 4154400200050 107. 1.09254 4154400200051 108. 0.56567 4154400200052 109. 0.28796 4154400200053 110. 0.1378 4154400200054 111. 0.10122 4154400200055 112. 0.08565 4154400200056 113. 0.08002 4154400200057 114. 0.07841 4154400200058 115. 0.07634 4154400200059 116. 0.07456 4154400200060 117. 0.07549 4154400200061 118. 0.07903 4154400200062 119. 0.08226 4154400200063 120. 0.07833 4154400200064 121. 0.06618 4154400200065 122. 0.06453 4154400200066 123. 0.06752 4154400200067 124. 0.08472 4154400200068 125. 0.10539 4154400200069 126. 0.1672 4154400200070 127. 0.2807 4154400200071 128. 0.52134 4154400200072 129. 0.95771 4154400200073 130. 1.69355 4154400200074 131. 2.691 4154400200075 132. 3.70297 4154400200076 133. 4.86027 4154400200077 134. 5.53592 4154400200078 135. 5.95389 4154400200079 136. 6.06635 4154400200080 137. 6.11733 4154400200081 138. 6.45271 4154400200082 139. 6.60305 4154400200083 140. 6.55729 4154400200084 141. 6.27892 4154400200085 142. 6.00163 4154400200086 143. 5.76869 4154400200087 144. 5.40833 4154400200088 145. 4.88471 4154400200089 146. 4.06682 4154400200090 147. 3.24385 4154400200091 148. 2.3793 4154400200092 149. 1.77971 4154400200093 150. 1.32408 4154400200094 151. 0.96 4154400200095 152. 0.6 4154400200096 153. 0.39 4154400200097 154. 0.296 4154400200098 155. 0.252 4154400200099 156. 0.168 4154400200100 157. 0.131 4154400200101 158. 0.112 4154400200102 159. 0.101 4154400200103 160. 0.054 4154400200104 ENDDATA 83 0 4154400200105 ENDSUBENT 104 0 4154400299999 SUBENT 41544003 20101028 41514154400300001 BIB 3 4 4154400300002 REACTION (92-U-235(N,F)MASS,PRE,FY) 4154400300003 ERR-ANALYS (ERR-S) Statistical error <0.3% . 4154400300004 STATUS Data are on Fig.5 of ISINN-13. 4154400300005 Fig.3 of ISINN-7. 4154400300006 ENDBIB 4 0 4154400300007 COMMON 1 3 4154400300008 EN-DUMMY 4154400300009 EV 4154400300010 0.0253 4154400300011 ENDCOMMON 3 0 4154400300012 DATA 3 43 4154400300013 MASS DATA ERR-S 4154400300014 NO-DIM PC/FIS PC/FIS 4154400300015 118. 0.02058 4.53652E-4 4154400300016 119. 0.02024 4.49889E-4 4154400300017 120. 0.0188 4.3359E-4 4154400300018 121. 0.0144 3.79473E-4 4154400300019 122. 0.0148 3.84708E-4 4154400300020 123. 0.01764 4.2E-4 4154400300021 124. 0.0349 5.90762E-4 4154400300022 125. 0.07878 8.87581E-4 4154400300023 126. 0.1663 0.00129 4154400300024 127. 0.3561 0.00189 4154400300025 128. 0.6578 0.00256 4154400300026 129. 1.20674 0.00347 4154400300027 130. 1.8607 0.00431 4154400300028 131. 2.7595 0.00525 4154400300029 132. 3.7655 0.00614 4154400300030 133. 4.6461 0.00682 4154400300031 134. 5.2405 0.00724 4154400300032 135. 5.8723 0.00766 4154400300033 136. 6.1314 0.00783 4154400300034 137. 6.2501 0.00791 4154400300035 138. 6.4681 0.00804 4154400300036 139. 6.5905 0.00812 4154400300037 140. 6.656 0.00816 4154400300038 141. 6.5679 0.0081 4154400300039 142. 6.3119 0.00794 4154400300040 143. 5.8715 0.00766 4154400300041 144. 5.179 0.0072 4154400300042 145. 4.4032 0.00664 4154400300043 146. 3.5939 0.00599 4154400300044 147. 2.8029 0.00529 4154400300045 148. 2.0878 0.00457 4154400300046 149. 1.4878 0.00386 4154400300047 150. 1.0032 0.00317 4154400300048 151. 0.6724 0.00259 4154400300049 152. 0.4403 0.0021 4154400300050 153. 0.2559 0.0016 4154400300051 154. 0.0688 8.29458E-4 4154400300052 155. 0.07123 8.43979E-4 4154400300053 156. 0.03861 6.21369E-4 4154400300054 157. 0.01845 4.29535E-4 4154400300055 158. 0.0094 3.06594E-4 4154400300056 159. 0.00305 1.74642E-4 4154400300057 160. 0.00172 1.31149E-4 4154400300058 ENDDATA 45 0 4154400300059 ENDSUBENT 58 0 4154400399999 SUBENT 41544004 20101028 41514154400400001 BIB 3 4 4154400400002 REACTION (92-U-235(N,F)MASS,PRE,KE,LF+HF) 4154400400003 Total kinetic energy as dependence from fragment mass. 4154400400004 ERR-ANALYS (ERR-S) Statistical error. 4154400400005 STATUS Data are on Fig.6 of ISINN-13. 4154400400006 ENDBIB 4 0 4154400400007 COMMON 1 3 4154400400008 EN-DUMMY 4154400400009 EV 4154400400010 0.0253 4154400400011 ENDCOMMON 3 0 4154400400012 DATA 3 51 4154400400013 MASS DATA ERR-S 4154400400014 NO-DIM MEV MEV 4154400400015 118. 159.8 1.19209 4154400400016 119. 161.36283 0.93371 4154400400017 120. 162.27928 1.33796 4154400400018 121. 164.41667 1.18158 4154400400019 122. 165.90643 0.89205 4154400400020 123. 168.40496 0.71699 4154400400021 124. 171.39387 0.51997 4154400400022 125. 172.89427 0.3442 4154400400023 126. 175.93434 0.23056 4154400400024 127. 177.80877 0.1563 4154400400025 128. 179.0446 0.11722 4154400400026 129. 179.0446 0.05861 4154400400027 130. 179.60336 0.07577 4154400400028 131. 179.61783 0.06595 4154400400029 132. 179.07285 0.05919 4154400400030 133. 178.29683 0.05531 4154400400031 134. 176.99581 0.05247 4154400400032 135. 175.43511 0.04957 4154400400033 136. 173.92737 0.04778 4154400400034 137. 172.54959 0.04481 4154400400035 138. 171.30498 0.04319 4154400400036 139. 169.89551 0.04223 4154400400037 140. 168.76932 0.04165 4154400400038 141. 167.47889 0.04148 4154400400039 142. 166.31414 0.0414 4154400400040 143. 165.42495 0.04251 4154400400041 144. 164.46148 0.04552 4154400400042 145. 163.42319 0.04987 4154400400043 146. 162.26216 0.05676 4154400400044 147. 160.97099 0.06392 4154400400045 148. 159.75532 0.07251 4154400400046 149. 158.67904 0.08117 4154400400047 150. 157.73037 0.09667 4154400400048 151. 156.7694 0.11576 4154400400049 152. 155.57234 0.14077 4154400400050 153. 154.29917 0.18386 4154400400051 154. 153.7265 0.2287 4154400400052 155. 152.08239 0.30432 4154400400053 156. 151.27988 0.38894 4154400400054 157. 150.14706 0.43729 4154400400055 158. 149.1157 0.60778 4154400400056 159. 149.72059 0.97078 4154400400057 160. 147.66667 2.21666 4154400400058 161. 145.7619 1.43949 4154400400059 162. 146.375 2.52159 4154400400060 163. 142.25 2.38958 4154400400061 164. 141.4 3.93243 4154400400062 165. 142. 6.48788 4154400400063 166. 141. 3.60041 4154400400064 167. 142. 2. 4154400400065 168. 140. 3. 4154400400066 ENDDATA 53 0 4154400400067 ENDSUBENT 66 0 4154400499999 SUBENT 41544005 20101028 41514154400500001 BIB 3 4 4154400500002 REACTION (92-U-235(N,F),PRE,AKE,LF+HF,RES) 4154400500003 Total average kinetic energy at resonances. 4154400500004 ERR-ANALYS (ERR-S) Statistical error. 4154400500005 STATUS Data are on Fig.7 of ISINN-13. 4154400500006 ENDBIB 4 0 4154400500007 NOCOMMON 0 0 4154400500008 DATA 3 25 4154400500009 EN-RES DATA ERR-S 4154400500010 EV MEV MEV 4154400500011 31.95 170.3939 0.04427 4154400500012 27.45 170.60278 0.11164 4154400500013 24.75 170.46164 0.09043 4154400500014 22.7 170.55529 0.07272 4154400500015 20.7 170.69861 0.08315 4154400500016 19. 170.88785 0.05224 4154400500017 17.55 170.77404 0.09414 4154400500018 16.65 170.88302 0.12725 4154400500019 15.9 170.86699 0.13331 4154400500020 15.05 170.90393 0.12287 4154400500021 13.8 170.78454 0.06748 4154400500022 12.8 170.89952 0.18159 4154400500023 12.23 170.8449 0.06398 4154400500024 11.63 171.04547 0.14631 4154400500025 11.07 170.81254 0.11906 4154400500026 9.36 170.86248 0.06392 4154400500027 8.54 170.82125 0.04048 4154400500028 7.02 171.04448 0.11149 4154400500029 6.45 170.9284 0.09938 4154400500030 6.08 170.89533 0.10291 4154400500031 4.84 170.83848 0.18382 4154400500032 3.66 171.00518 0.08037 4154400500033 3.18 170.9351 0.08695 4154400500034 2.89 170.82025 0.12065 4154400500035 1.14 170.52768 0.02607 4154400500036 ENDDATA 27 0 4154400500037 ENDSUBENT 36 0 4154400599999 SUBENT 41544006 20101028 41514154400600001 BIB 3 5 4154400600002 REACTION (92-U-235(N,F),PRE,AKE,LF+HF) 4154400600003 Total average kinetic energy at thermal energy of 4154400600004 incident neutrons. 4154400600005 ERR-ANALYS (ERR-S) Statistical error. 4154400600006 STATUS Data are on Fig.7 of ISINN-13. 4154400600007 ENDBIB 5 0 4154400600008 NOCOMMON 0 0 4154400600009 DATA 3 1 4154400600010 EN DATA DATA-ERR 4154400600011 EV MEV MEV 4154400600012 0.025 170.5 1.E-3 4154400600013 ENDDATA 3 0 4154400600014 ENDSUBENT 13 0 4154400699999 SUBENT 41544007 20101028 41514154400700001 BIB 3 4 4154400700002 REACTION (92-U-235(N,F),PRE,AKE,LF+HF) TKE between resonance 4154400700003 peaks. 4154400700004 ERR-ANALYS (ERR-S) Statistical error. 4154400700005 STATUS Data are on Fig.7 of ISINN-13. 4154400700006 ENDBIB 4 0 4154400700007 NOCOMMON 0 0 4154400700008 DATA 3 7 4154400700009 EN DATA ERR-S 4154400700010 EV MEV MEV 4154400700011 26.5 170.5 0.1 4154400700012 14.6 170.5 0.1 4154400700013 10.1 170.5 0.08 4154400700014 7.7 170.5 0.1 4154400700015 6. 170.5 0.08 4154400700016 4.2 170.5 0.05 4154400700017 1.6 170.5 0.08 4154400700018 ENDDATA 9 0 4154400700019 ENDSUBENT 18 0 4154400799999 ENDENTRY 7 0 4154499999999