ENTRY 41538 20100317 41494153800000001 SUBENT 41538001 20100317 41494153800100001 BIB 15 37 4153800100002 TITLE The estimation of scission neutron parameters from 4153800100003 N-F and N-N angular correlations in U-235(Nth,F) 4153800100004 reaction. 4153800100005 AUTHOR (I.S.Guseva, A.M.Gagarskiy, V.E.Sokolov, G.A.Petrov, 4153800100006 D.O.Krinitzin, G.V.Val'skiy, A.S.Vorobyev, 4153800100007 O.A.Shcherbakov) 4153800100008 INSTITUTE (4RUSLIN) 4153800100009 REFERENCE (S,ISINN-16,370,2009) 4153800100010 (W,Vorobyev,20100317) Data and comments. 4153800100011 (W,Guseva,20100317) Data tables. 4153800100012 FACILITY (REAC,4RUSLIN) 4153800100013 INC-SOURCE (REAC) 4153800100014 INC-SPECT No information. 4153800100015 SAMPLE U-235 target. 4153800100016 DETECTOR Two detectors , placed at 40-70 cm 4153800100017 at variable angle between detectors and at 4153800100018 variable distances. Each detector was made on the 4153800100019 base of stilbene crystal of about 60 mm diameter, 4153800100020 about 40 mm thickness and FEU Hamamatsu R1307, 4153800100021 protected by 40 mm lead and 40 mm polyethylene. 4153800100022 METHOD (PSD) Pulse shape - to split neutrons from gammas. 4153800100023 (TOF) Every TOF spectrum consists of gamma-gamma, n-n 4153800100024 and gamma-n components. 4153800100025 (COINC) N-N coincidences were used. 4153800100026 Energy sale was graduated by standard sources of Na-22,4153800100027 Co-60, Cs-137, Bi-207. 4153800100028 ASSUMED (ASSUM,92-U-235(N,F),PR,NU) Used in MC calculations. 4153800100029 ADD-RES (COMP) Monte-Carlo predictions of n-n angular 4153800100030 distribution. 4153800100031 About (7+-2)% of neutrons could be probably attributed4153800100032 to scission neutrons. 4153800100033 STATUS (PRELM) Data are preliminary. 4153800100034 (TABLE) Received 17.03.2010 from A.Vorobyev, I.Guseva. 4153800100035 (COREL,41516001) Other data of S,ISINN-16,370,2009 4153800100036 in Entry 41516. 4153800100037 ERR-ANALYS (DATA-ERR) Total errors. 4153800100038 HISTORY (20100317C) M.M. 4153800100039 ENDBIB 37 0 4153800100040 COMMON 2 3 4153800100041 EN-DUMMY ASSUM 4153800100042 EV PRT/FIS 4153800100043 0.0253 2.42 4153800100044 ENDCOMMON 3 0 4153800100045 ENDSUBENT 44 0 4153800199999 SUBENT 41538002 20091204 41494153800200001 BIB 4 13 4153800200002 REACTION (92-U-235(N,F),PR/PAR,NU/DA,,SPA/MSC) 4153800200003 Neutron-neutron angular distribution normalized to 1. 4153800200004 at 90 degrees, for different neutron energy threshold. 4153800200005 N-N coincidence count rate in arbitrary units. 4153800200006 EN-SEC (E-MIN,N) Neutron energy threshold, obtained in 4153800200007 corresponding TOF spectrum fitting., especially by 4153800200008 scopes of gamma-n component. 4153800200009 ANG-RL - angle between two neutrons. 4153800200010 STATUS (TABLE) Data received from A.Vorobiev and I.Guseva. 4153800200011 Fig. 5 of S,ISINN-16,372. 4153800200012 E-ths : 425,600,900,1350,1700,2030 keV. 4153800200013 REL-REF (N,30544001,C.B.Franklyn+,J,PL/B,78,564,1978) 4153800200014 Data are compared with exp. data of C.Franklyn+ . 4153800200015 ENDBIB 13 0 4153800200016 NOCOMMON 0 0 4153800200017 DATA 4 305 4153800200018 E-MIN ANG-RL DATA DATA-ERR 4153800200019 KEV ADEG ARB-UNITS ARB-UNITS 4153800200020 425. 12.5 1.78937 0.05544 4153800200021 425. 15. 1.79346 0.06635 4153800200022 425. 17.5 1.7678 0.03268 4153800200023 425. 20. 1.84742 0.04729 4153800200024 425. 22.5 1.6873 0.0286 4153800200025 425. 25. 1.69192 0.03128 4153800200026 425. 27.5 1.65819 0.02616 4153800200027 425. 30. 1.6352 0.03543 4153800200028 425. 32.5 1.60086 0.03854 4153800200029 425. 35. 1.57102 0.03714 4153800200030 425. 37.5 1.51272 0.03122 4153800200031 425. 40. 1.45582 0.02524 4153800200032 425. 42.5 1.40477 0.02862 4153800200033 425. 45. 1.36625 0.02887 4153800200034 425. 47.5 1.31665 0.03987 4153800200035 425. 50. 1.27532 0.02857 4153800200036 425. 55. 1.22307 0.02908 4153800200037 425. 57.5 1.20175 0.04139 4153800200038 425. 60. 1.15075 0.02614 4153800200039 425. 62.5 1.14035 0.04095 4153800200040 425. 65. 1.11853 0.02702 4153800200041 425. 70. 1.06597 0.02694 4153800200042 425. 75. 1.0372 0.02702 4153800200043 425. 80. 1.01145 0.02676 4153800200044 425. 85. 1.00232 0.02562 4153800200045 425. 87.5 0.99376 0.02521 4153800200046 425. 90. 0.98055 0.02607 4153800200047 425. 95. 1.03294 0.02535 4153800200048 425. 100. 1.02242 0.02544 4153800200049 425. 105. 1.07277 0.02772 4153800200050 425. 110. 1.08417 0.026 4153800200051 425. 115. 1.16127 0.02796 4153800200052 425. 120. 1.20395 0.02547 4153800200053 425. 125. 1.27829 0.02855 4153800200054 425. 130. 1.31887 0.02607 4153800200055 425. 135. 1.42909 0.02738 4153800200056 425. 140. 1.48589 0.02543 4153800200057 425. 145. 1.59029 0.02649 4153800200058 425. 150. 1.63083 0.0275 4153800200059 425. 152.5 1.70871 0.05652 4153800200060 425. 155. 1.71588 0.02841 4153800200061 425. 160. 1.73316 0.02769 4153800200062 425. 162.5 1.75384 0.03833 4153800200063 425. 165. 1.83654 0.02761 4153800200064 425. 167.5 1.80527 0.03097 4153800200065 425. 170. 1.86559 0.02559 4153800200066 425. 172.5 1.86893 0.02816 4153800200067 425. 175. 1.86894 0.02552 4153800200068 425. 177.5 1.83006 0.0278 4153800200069 425. 180. 1.84154 0.02533 4153800200070 600. 12.5 1.92935 0.06575 4153800200071 600. 15. 1.91921 0.07921 4153800200072 600. 17.5 1.88137 0.03592 4153800200073 600. 20. 1.93313 0.04987 4153800200074 600. 22.5 1.77389 0.03011 4153800200075 600. 25. 1.76483 0.03357 4153800200076 600. 27.5 1.74944 0.02673 4153800200077 600. 30. 1.70175 0.03928 4153800200078 600. 32.5 1.66135 0.04351 4153800200079 600. 35. 1.61051 0.04168 4153800200080 600. 37.5 1.56321 0.03372 4153800200081 600. 40. 1.50993 0.02535 4153800200082 600. 42.5 1.44382 0.03015 4153800200083 600. 45. 1.42466 0.03053 4153800200084 600. 47.5 1.36395 0.04516 4153800200085 600. 50. 1.32182 0.031 4153800200086 600. 52.5 1.23563 0.04696 4153800200087 600. 55. 1.25898 0.03076 4153800200088 600. 57.5 1.24649 0.04731 4153800200089 600. 60. 1.18207 0.02662 4153800200090 600. 62.5 1.154 0.04622 4153800200091 600. 65. 1.12064 0.02783 4153800200092 600. 70. 1.08649 0.02774 4153800200093 600. 75. 1.02383 0.02781 4153800200094 600. 80. 0.99371 0.0274 4153800200095 600. 85. 1.00241 0.02587 4153800200096 600. 87.5 0.99655 0.0253 4153800200097 600. 90. 0.97993 0.02652 4153800200098 600. 95. 1.01341 0.02632 4153800200099 600. 100. 0.99366 0.02564 4153800200100 600. 105. 1.06701 0.02982 4153800200101 600. 110. 1.09052 0.02655 4153800200102 600. 115. 1.18453 0.03051 4153800200103 600. 120. 1.22715 0.0257 4153800200104 600. 122.5 1.2296 0.03826 4153800200105 600. 125. 1.31749 0.03178 4153800200106 600. 130. 1.39246 0.02671 4153800200107 600. 135. 1.48111 0.02958 4153800200108 600. 140. 1.56446 0.02564 4153800200109 600. 145. 1.67897 0.02743 4153800200110 600. 150. 1.72851 0.02937 4153800200111 600. 155. 1.78011 0.03076 4153800200112 600. 160. 1.83368 0.02992 4153800200113 600. 162.5 1.83613 0.04307 4153800200114 600. 165. 1.94305 0.0299 4153800200115 600. 167.5 1.87242 0.03586 4153800200116 600. 170. 1.92351 0.02982 4153800200117 600. 172.5 1.95975 0.03158 4153800200118 600. 175. 1.96032 0.02844 4153800200119 600. 177.5 1.94437 0.03129 4153800200120 600. 180. 1.96202 0.02594 4153800200121 900. 12.5 2.33585 0.10932 4153800200122 900. 15. 2.23443 0.12686 4153800200123 900. 17.5 2.10197 0.05778 4153800200124 900. 20. 2.1114 0.04572 4153800200125 900. 22.5 2.03301 0.0436 4153800200126 900. 25. 2.01941 0.04581 4153800200127 900. 27.5 1.92857 0.03992 4153800200128 900. 30. 1.89484 0.04011 4153800200129 900. 32.5 1.90342 0.04802 4153800200130 900. 35. 1.76358 0.04214 4153800200131 900. 37.5 1.65055 0.03789 4153800200132 900. 40. 1.61245 0.03275 4153800200133 900. 42.5 1.55642 0.03574 4153800200134 900. 45. 1.56401 0.03362 4153800200135 900. 47.5 1.40244 0.03798 4153800200136 900. 50. 1.39463 0.03157 4153800200137 900. 52.5 1.31002 0.03774 4153800200138 900. 55. 1.31453 0.03112 4153800200139 900. 57.5 1.21256 0.02797 4153800200140 900. 60. 1.20699 0.02703 4153800200141 900. 62.5 1.18123 0.06189 4153800200142 900. 65. 1.1353 0.0288 4153800200143 900. 70. 1.07495 0.02759 4153800200144 900. 75. 1.03555 0.02715 4153800200145 900. 80. 0.9934 0.02555 4153800200146 900. 85. 0.98913 0.02196 4153800200147 900. 87.5 0.99108 0.02059 4153800200148 900. 90. 0.96191 0.02305 4153800200149 900. 95. 1.00204 0.02127 4153800200150 900. 100. 0.98095 0.02117 4153800200151 900. 105. 1.07203 0.0296 4153800200152 900. 110. 1.09393 0.02499 4153800200153 900. 115. 1.17976 0.03201 4153800200154 900. 120. 1.25053 0.02637 4153800200155 900. 122.5 1.26736 0.04884 4153800200156 900. 125. 1.34145 0.03584 4153800200157 900. 130. 1.45394 0.03194 4153800200158 900. 135. 1.56837 0.03691 4153800200159 900. 140. 1.646 0.0339 4153800200160 900. 145. 1.81783 0.03957 4153800200161 900. 150. 1.86 0.04213 4153800200162 900. 155. 1.93965 0.04561 4153800200163 900. 160. 2.01158 0.04477 4153800200164 900. 165. 2.14465 0.04782 4153800200165 900. 167.5 2.0922 0.05297 4153800200166 900. 170. 2.16888 0.04449 4153800200167 900. 172.5 2.15909 0.04899 4153800200168 900. 175. 2.23427 0.04566 4153800200169 900. 177.5 2.15173 0.04844 4153800200170 900. 180. 2.13029 0.04321 4153800200171 1350. 12.5 2.75316 0.18668 4153800200172 1350. 15. 2.64012 0.23274 4153800200173 1350. 17.5 2.4178 0.08894 4153800200174 1350. 20. 2.52044 0.0605 4153800200175 1350. 22.5 2.42074 0.0569 4153800200176 1350. 25. 2.3951 0.06292 4153800200177 1350. 27.5 2.28164 0.04983 4153800200178 1350. 30. 2.17842 0.05025 4153800200179 1350. 32.5 2.18014 0.07122 4153800200180 1350. 35. 2.09529 0.06129 4153800200181 1350. 37.5 1.90849 0.05225 4153800200182 1350. 40. 1.81243 0.03783 4153800200183 1350. 42.5 1.75852 0.0488 4153800200184 1350. 45. 1.77311 0.04243 4153800200185 1350. 47.5 1.57569 0.05761 4153800200186 1350. 50. 1.53539 0.04149 4153800200187 1350. 52.5 1.37728 0.05802 4153800200188 1350. 55. 1.43762 0.04229 4153800200189 1350. 57.5 1.31342 0.03698 4153800200190 1350. 60. 1.30785 0.03452 4153800200191 1350. 62.5 1.30111 0.11437 4153800200192 1350. 65. 1.18188 0.04249 4153800200193 1350. 70. 1.13226 0.03886 4153800200194 1350. 75. 1.01101 0.03811 4153800200195 1350. 80. 1.00712 0.03576 4153800200196 1350. 85. 1.00184 0.02665 4153800200197 1350. 87.5 0.98938 0.02228 4153800200198 1350. 90. 0.97598 0.02959 4153800200199 1350. 95. 0.96291 0.02309 4153800200200 1350. 100. 1.00876 0.02507 4153800200201 1350. 105. 1.08587 0.04332 4153800200202 1350. 110. 1.12064 0.0316 4153800200203 1350. 115. 1.23112 0.04649 4153800200204 1350. 120. 1.3468 0.03118 4153800200205 1350. 122.5 1.43438 0.08351 4153800200206 1350. 125. 1.45585 0.05296 4153800200207 1350. 130. 1.58047 0.04007 4153800200208 1350. 135. 1.70951 0.04993 4153800200209 1350. 140. 1.79302 0.039 4153800200210 1350. 145. 2.01141 0.04962 4153800200211 1350. 150. 2.03406 0.05485 4153800200212 1350. 155. 2.19684 0.06333 4153800200213 1350. 160. 2.26906 0.06073 4153800200214 1350. 162.5 2.26808 0.11063 4153800200215 1350. 165. 2.48707 0.0644 4153800200216 1350. 167.5 2.34865 0.07747 4153800200217 1350. 170. 2.52586 0.05402 4153800200218 1350. 172.5 2.43926 0.06588 4153800200219 1350. 175. 2.60752 0.05525 4153800200220 1350. 177.5 2.50018 0.0657 4153800200221 1350. 180. 2.40006 0.0499 4153800200222 1700. 12.5 2.90345 0.20031 4153800200223 1700. 15. 3.05783 0.2515 4153800200224 1700. 17.5 2.74332 0.13913 4153800200225 1700. 20. 2.67144 0.0766 4153800200226 1700. 22.5 2.65788 0.07243 4153800200227 1700. 25. 2.63356 0.08738 4153800200228 1700. 27.5 2.57978 0.0618 4153800200229 1700. 30. 2.45028 0.06524 4153800200230 1700. 32.5 2.45352 0.1032 4153800200231 1700. 35. 2.27276 0.08716 4153800200232 1700. 37.5 2.20216 0.07564 4153800200233 1700. 40. 2.06485 0.04544 4153800200234 1700. 42.5 1.88976 0.06919 4153800200235 1700. 45. 1.92831 0.05532 4153800200236 1700. 47.5 1.64229 0.08854 4153800200237 1700. 50. 1.67183 0.05744 4153800200238 1700. 52.5 1.51707 0.09228 4153800200239 1700. 55. 1.50664 0.06096 4153800200240 1700. 57.5 1.46885 0.05341 4153800200241 1700. 60. 1.44351 0.04798 4153800200242 1700. 62.5 1.35424 0.13654 4153800200243 1700. 65. 1.18496 0.06013 4153800200244 1700. 70. 1.25667 0.05989 4153800200245 1700. 75. 1.01842 0.05945 4153800200246 1700. 80. 1.03219 0.05608 4153800200247 1700. 85. 1.05487 0.03886 4153800200248 1700. 87.5 0.95967 0.03003 4153800200249 1700. 90. 0.98166 0.0456 4153800200250 1700. 95. 0.98221 0.03324 4153800200251 1700. 100. 1.04252 0.0351 4153800200252 1700. 105. 1.03241 0.06664 4153800200253 1700. 110. 1.15496 0.04488 4153800200254 1700. 115. 1.32706 0.07129 4153800200255 1700. 120. 1.35596 0.03779 4153800200256 1700. 122.5 1.30826 0.14011 4153800200257 1700. 125. 1.49921 0.07986 4153800200258 1700. 130. 1.62076 0.05288 4153800200259 1700. 135. 1.7925 0.07085 4153800200260 1700. 140. 1.88805 0.04576 4153800200261 1700. 145. 2.14733 0.06554 4153800200262 1700. 150. 2.13269 0.07542 4153800200263 1700. 155. 2.24833 0.09058 4153800200264 1700. 157.5 2.35462 0.21458 4153800200265 1700. 160. 2.41717 0.08323 4153800200266 1700. 162.5 2.62263 0.1778 4153800200267 1700. 165. 2.60298 0.08543 4153800200268 1700. 167.5 2.77043 0.1365 4153800200269 1700. 170. 2.58354 0.06 4153800200270 1700. 172.5 2.66923 0.09061 4153800200271 1700. 175. 2.84836 0.05884 4153800200272 1700. 177.5 2.75177 0.09013 4153800200273 1700. 180. 2.73001 0.05964 4153800200274 2030. 12.5 2.96005 0.39852 4153800200275 2030. 15. 3.47878 0.25727 4153800200276 2030. 17.5 3.23491 0.2257 4153800200277 2030. 20. 3.16331 0.10915 4153800200278 2030. 22.5 2.97158 0.09971 4153800200279 2030. 25. 2.73729 0.12434 4153800200280 2030. 27.5 3.01096 0.08413 4153800200281 2030. 30. 2.76705 0.08933 4153800200282 2030. 32.5 2.73672 0.15906 4153800200283 2030. 35. 2.45692 0.13049 4153800200284 2030. 37.5 2.482 0.11208 4153800200285 2030. 40. 2.24103 0.05418 4153800200286 2030. 42.5 2.19362 0.10674 4153800200287 2030. 45. 2.12484 0.07751 4153800200288 2030. 47.5 1.75792 0.13941 4153800200289 2030. 50. 1.91908 0.08779 4153800200290 2030. 52.5 1.82254 0.15179 4153800200291 2030. 55. 1.69244 0.09341 4153800200292 2030. 57.5 1.54935 0.07813 4153800200293 2030. 60. 1.45459 0.06646 4153800200294 2030. 65. 1.16006 0.0925 4153800200295 2030. 70. 1.13299 0.08878 4153800200296 2030. 75. 1.1003 0.09225 4153800200297 2030. 80. 1.01667 0.08432 4153800200298 2030. 85. 1.09458 0.05411 4153800200299 2030. 87.5 0.99363 0.03771 4153800200300 2030. 90. 1.06658 0.06656 4153800200301 2030. 95. 0.9555 0.0426 4153800200302 2030. 100. 1.11678 0.04876 4153800200303 2030. 105. 1.0918 0.10274 4153800200304 2030. 110. 1.08101 0.06393 4153800200305 2030. 115. 1.4826 0.11194 4153800200306 2030. 120. 1.31362 0.04891 4153800200307 2030. 122.5 1.50547 0.22059 4153800200308 2030. 125. 1.50062 0.12099 4153800200309 2030. 130. 1.7176 0.07506 4153800200310 2030. 135. 2.01879 0.10783 4153800200311 2030. 140. 2.04263 0.05817 4153800200312 2030. 145. 2.29764 0.0924 4153800200313 2030. 150. 2.32198 0.11563 4153800200314 2030. 155. 2.44598 0.1396 4153800200315 2030. 157.5 2.93306 0.3747 4153800200316 2030. 160. 2.59529 0.12396 4153800200317 2030. 162.5 2.85663 0.22528 4153800200318 2030. 165. 2.83936 0.12692 4153800200319 2030. 167.5 2.99338 0.18554 4153800200320 2030. 170. 2.98215 0.07991 4153800200321 2030. 172.5 3.03671 0.13606 4153800200322 2030. 175. 3.12273 0.08077 4153800200323 2030. 177.5 3.07359 0.13486 4153800200324 2030. 180. 2.83706 0.07812 4153800200325 ENDDATA 307 0 4153800200326 ENDSUBENT 325 0 4153800299999 ENDENTRY 2 0 4153899999999