ENTRY 20769 20180115 22672076900000001 SUBENT 20769001 20180115 22672076900100001 BIB 17 60 2076900100002 INSTITUTE (2UK HAR) 2076900100003 REFERENCE (J,JIN,36,1453,1974) Data and comments. 2076900100004 (W,WILLIS,19780519) Special attached form with 2076900100005 information about work,and confirmed data. 2076900100006 REL-REF (M,,J.G.Cuninghame+,R,AERE-R-4727,1964) methods for 2076900100007 the count rates conversion to absolute 2076900100008 disintegration rates 2076900100009 AUTHOR (J.G.Cuninghame,J.A.B.Goodall,H.H.Willis) 2076900100010 TITLE Absolute yields in the fission of U-235 by 2076900100011 mono-energetic neutrons of energy 130-1700 keV 2076900100012 FACILITY (VDG,2UK HAR) I.B.I.S. 3 MeV accelerator. 2076900100013 INC-SOURCE (P-LI7) 2076900100014 (P-T) 2076900100015 .Monoenergetic neutrons. 2076900100016 SAMPLE .93V U-235 metal disc in cadmium box on the 0 degree 2076900100017 axis of the beam. 2076900100018 .Discs were 15 mm in diam and 0.125 mm thick. 2076900100019 .Isotopic composition was found by mass-spectrometry 2076900100020 to be 2076900100021 U-234 1.138 atom % 2076900100022 U-235 91.097 atom % 2076900100023 U-236 2.034 atom % 2076900100024 U-238 5.731 atom % 2076900100025 .about 2 grams were used for each irradiation. 2076900100026 .The uranium discs were spaced by gold discs. 2076900100027 METHOD (CHSEP) Radiochemistry. 2076900100028 (EXTB) 2076900100029 DETECTOR (TRD,LONGC) Set up at 0 degree to provide a relative 2076900100030 neutron count throughout the run, it used a 2076900100031 polycarbonate film with a long-counter. 2076900100032 (PROPC) 2pi-beta-proportional flow counters. 2076900100033 .See AERE-R-4727. 2076900100034 ANALYSIS .Absolute fission yields calculated from number of 2076900100035 fissions in sample and the absolute disintegration 2076900100036 rate of the fission product at end of irradiation. 2076900100037 PART-DET (N) 2076900100038 (B-) 2076900100039 CORRECTION .Estimation of carriers. 2076900100040 .Correction for self absorption (beta counting). 2076900100041 .Cf calibration of fission counter. 2076900100042 .Track counting. 2076900100043 .Other fission counter corrections. 2076900100044 ERR-ANALYS (ERR-S) Random experimental error 2076900100045 (ERR-T) Total error 2076900100046 (ERR-SYS) Systematic error consists: 2076900100047 * uncertainty in estimation of carriers 0.5% 2076900100048 * uncertainty in correction for self 2076900100049 absorption etc. 5.0% 2076900100050 * uncertainty in Cf calibration of 2076900100051 fission counter 1.5% 2076900100052 * uncertainty in track counting 1.5% 2076900100053 * uncertainty in other fission counter 2076900100054 corrections 1.0% 2076900100055 ADD-RES .Theoretical analysis. 2076900100056 STATUS (TABLE) Tbl. 1 from Inorg. Chem.,36,1453,1974. 2076900100057 (APRVD) 2076900100058 HISTORY (19780519C) 2076900100059 (20180115A) SD:Updated to new date formats,lower case. 2076900100060 REACTION code correction in Subent 002. BIB update. 2076900100061 COMMENT -> ADD-RES. 2076900100062 ENDBIB 60 0 2076900100063 COMMON 1 3 2076900100064 ERR-SYS 2076900100065 PER-CENT 2076900100066 5.6 2076900100067 ENDCOMMON 3 0 2076900100068 ENDSUBENT 67 0 2076900199999 SUBENT 20769002 20180115 22672076900200001 BIB 3 5 2076900200002 REACTION (92-U-235(N,F)ELEM/MASS,(CUM),FY) 2076900200003 MISC-COL (MISC) This column indicates the number of 2076900200004 measurements made for the given value 2076900200005 HISTORY (20180115A) SD: SF5=IND -> (CUM) in REACTION code 2076900200006 according to comment of Dr. T.Kawano. DATA-ERR -> ERR-S2076900200007 ENDBIB 5 0 2076900200008 NOCOMMON 0 0 2076900200009 DATA 9 30 2076900200010 ELEMENT MASS EN +EN-ERR -EN-ERR DATA 2076900200011 ERR-S ERR-T MISC 2076900200012 NO-DIM NO-DIM KEV KEV KEV PC/FIS 2076900200013 PC/FIS PER-CENT NO-DIM 2076900200014 42. 99. 130. 10. 25. 5.702076900200015 0.24 6.9 5. 2076900200016 42. 99. 300. 10. 28. 5.552076900200017 0.20 6.6 4. 2076900200018 42. 99. 700. 43. 68. 5.602076900200019 0.09 5.7 4. 2076900200020 42. 99. 900. 48. 73. 5.782076900200021 0.05 5.6 3. 2076900200022 42. 99. 1300. 33. 70. 5.552076900200023 0.13 6.0 4. 2076900200024 42. 99. 1700. 33. 77. 5.552076900200025 0.24 7.0 3. 2076900200026 47. 111. 130. 10. 25. 0.0152076900200027 0.001 8.1 5. 2076900200028 47. 111. 300. 10. 28. 0.0182076900200029 0.004 22.5 4. 2076900200030 47. 111. 700. 43. 68. 0.0242076900200031 0.002 10.4 2. 2076900200032 47. 111. 900. 48. 73. 0.0352076900200033 0.005 15. 3. 2076900200034 47. 111. 1300. 33. 70. 0.0442076900200035 0.001 5.6 4. 2076900200036 47. 111. 1700. 33. 77. 0.0532076900200037 0.003 7.8 3. 2076900200038 56. 140. 130. 10. 25. 6.102076900200039 0.22 6.6 5. 2076900200040 56. 140. 300. 10. 28. 5.792076900200041 0.13 6.0 4. 2076900200042 56. 140. 700. 43. 68. 6.082076900200043 0.13 5.9 4. 2076900200044 56. 140. 900. 48. 73. 6.012076900200045 0.09 5.7 3. 2076900200046 56. 140. 1300. 33. 70. 5.972076900200047 0.14 6.0 4. 2076900200048 56. 140. 1700. 33. 77. 5.752076900200049 0.02 5.5 3. 2076900200050 60. 147. 130. 10. 25. 2.352076900200051 0.06 6.1 5. 2076900200052 60. 147. 300. 10. 28. 2.612076900200053 0.08 6.4 2. 2076900200054 60. 147. 700. 43. 68. 2.512076900200055 0.10 6.9 4. 2076900200056 60. 147. 900. 48. 73. 2.462076900200057 0.04 5.7 3. 2076900200058 60. 147. 1300. 33. 70. 2.562076900200059 0.09 6.6 4. 2076900200060 60. 147. 1700. 33. 77. 2.422076900200061 0.03 5.6 3. 2076900200062 62. 153. 130. 10. 25. 0.1322076900200063 0.011 9.9 5. 2076900200064 62. 153. 300. 10. 28. 0.1522076900200065 0.003 5.9 2. 2076900200066 62. 153. 700. 43. 68. 0.1542076900200067 0.004 6.1 4. 2076900200068 62. 153. 900. 48. 73. 0.1592076900200069 0.011 9.0 3. 2076900200070 62. 153. 1300. 33. 70. 0.1762076900200071 0.009 7.6 4. 2076900200072 62. 153. 1700. 33. 77. 0.1722076900200073 0.009 7.4 3. 2076900200074 ENDDATA 64 0 2076900200075 ENDSUBENT 74 0 2076900299999 ENDENTRY 2 0 2076999999999