ENTRY 23567 20200415 22872356700000001 SUBENT 23567001 20200415 22872356700100001 BIB 13 25 2356700100002 TITLE The mass-yield curve for fission of natural uranium 2356700100003 by 14-MeV neutrons 2356700100004 AUTHOR (J.G.Cuninghame) 2356700100005 REFERENCE (J,JIN,5,1,1957) 2356700100006 REL-REF (M,,E.A.C.Crouch+,J,JIN,2,223,1956) 2356700100007 Chemical separation method. 2356700100008 (M,,J.G.Cuninghame,R,AERE-C/R-1646,1955) 2356700100009 Details for counting corrections. 2356700100010 INSTITUTE (2UK HAR) 2356700100011 FACILITY (CCW,2UK HAR) 2356700100012 INC-SOURCE (D-T) 2356700100013 INC-SPECT Thermal neutrons were checked and found to be 2356700100014 negligible. 2356700100015 SAMPLE Natural uranium. The U-235 effect was ignored and 2356700100016 experiments considered to be effectively the U-238 2356700100017 fission. 2356700100018 ~40 g weight of uranium metal, cylinder 2356700100019 DETECTOR (PROPC) @PI-beta-proportional flow counter, methane as 2356700100020 the counting gas. 2356700100021 METHOD (CHSEP) Chemical yields were obtained by direct 2356700100022 weighting. 2356700100023 CORRECTION For self-absorption, self-scattering, back-scattering, 2356700100024 conversion electrons,growth of daughter nuclides, other2356700100025 genetic phenomena. 2356700100026 HISTORY (20200415C) M.M. 2356700100027 ENDBIB 25 0 2356700100028 COMMON 1 3 2356700100029 EN 2356700100030 MEV 2356700100031 14. 2356700100032 ENDCOMMON 3 0 2356700100033 ENDSUBENT 32 0 2356700199999 SUBENT 23567002 20200415 22872356700200001 BIB 6 12 2356700200002 REACTION (92-U-238(N,F)ELEM/MASS,IND,FY) 2356700200003 DECAY-DATA ((1.)48-CD-115-G,54.HR) 2356700200004 ((2.)48-CD-115-M,43.D) Estimated. 2356700200005 ASSUMED (ASSUM,92-U-238(N,F),PR,NU) Used to plot mirror points.2356700200006 Value was estimated from the best fit of mass curve. 2356700200007 ANALYSIS Fission yield curve ( dependence from mass) was 2356700200008 normalized to 200 % area under it. 2356700200009 ERR-ANALYS (DATA-ERR) Standard deviation. 2356700200010 An error of +-10% in Mo-99 yield due to the absent 2356700200011 values of fission yields for mass 99 - 111. 2356700200012 STATUS (TABLE) Table 1 of 2356700200013 Journal of Inorganic and Nuclear Chemistry,v.5,p.1,19572356700200014 ENDBIB 12 0 2356700200015 COMMON 2 3 2356700200016 ASSUM ASSUM-ERR 2356700200017 PRT/FIS PRT/FIS 2356700200018 4. 0.5 2356700200019 ENDCOMMON 3 0 2356700200020 DATA 6 14 2356700200021 MASS ELEMENT ISOMER DATA DATA-ERR DECAY-FLAG 2356700200022 NO-DIM NO-DIM NO-DIM PC/FIS PC/FIS NO-DIM 2356700200023 89. 38. 2.30 0.12 2356700200024 91. 39. 2.78 0.14 2356700200025 99. 42. 5.58 0.28 2356700200026 111. 47. 0.81 0.04 2356700200027 115. 48. 0. 0.58 0.03 1. 2356700200028 115. 48. 1. 0.06 0.01 2. 2356700200029 115. 48. 0.64 0.04 2356700200030 140. 56. 4.41 0.22 2356700200031 143. 58. 3.91 0.27 2356700200032 143. 59. 3.16 0.16 2356700200033 144. 58. 2.68 0.16 2356700200034 147. 60. 1.99 0.10 2356700200035 153. 62. 0.39 0.02 2356700200036 156. 63. 0.13 0.01 2356700200037 ENDDATA 16 0 2356700200038 ENDSUBENT 37 0 2356700299999 ENDENTRY 2 0 2356799999999