ENTRY O0634 20000424 0000O063400000001 SUBENT O0634001 20000424 0000O063400100001 BIB 16 45 O063400100002 TITLE Proton-Induced Fission of U-238 O063400100003 AUTHOR (G.R.CHOPPIN,E.F.MEYER JR) O063400100004 INSTITUTE (1USAFSU) O063400100005 REFERENCE (J,JIN,28,1509,1966) O063400100006 REL-REF (R,,C.WILLIAMSON+,R,CEA-2189,1962). Range-Energy O063400100007 Tables. O063400100008 (A,P0028000,G.R.CHOPPIN+,J,PR,131,2149,1963) O063400100009 (A,P0005003,G.L.BATE+,J,PR,133,1471,1964) O063400100010 The Given Experimens Used Solid State Detectors. The O063400100011 Agreement is Within 40% According to the Authors. O063400100012 FACILITY (VDGT,1USAFSU) O063400100013 METHOD (EXTB,STTA,EDEG,BCINT,REC,CHSEP). An Aluminium Foil, O063400100014 0.005 Inch Thick, Between Each Sandwich Served to O063400100015 Degrade the Proton Beam Energy. The Initial Proton O063400100016 Energy was 12.0 MeV. For Stopping Power Tables See Rel-O063400100017 Ref. Fission Occured Mainly in the Thirst 100-200 KeV O063400100018 Thickness of the Targets. The Energy Listed is the O063400100019 Calculated Entering Energy For Each Target. O063400100020 DETECTOR 1(PROPC) Windowless 2-Pi Proportional Counter. O063400100021 2(NAICR) Na-I-Tl Scintilation Crystal. O063400100022 PART-DET 1(B-). O063400100023 2(DG). O063400100024 ANALYSIS (DECAY) Analysis of a Composite Beta-Decay Curve Into O063400100025 Its Components. O063400100026 (AREA) Total Fission Cross Sections were Obtained by O063400100027 Integrating Under the Mass Yield Curves. O063400100028 CORRECTION Performed: For Backscattering, Self-Absorption and O063400100029 Selfscattering, Geometry and Counting Efficiency. O063400100030 COMMENT By Authors - Proportional Counting Provided the Bulk O063400100031 Of the Data. O063400100032 By Compiler - No Corrections were Considered For O063400100033 Effective Proton Energy in the Targets. Not Clear O063400100034 Whether and How the Correction For Momentum Transfer O063400100035 Was Applied. O063400100036 ERR-ANALYS (EN-ERR) Uncertainty in the Calculated Entering Energy O063400100037 For Each Target. O063400100038 No Analysis is Given For Total Fission Cross Section O063400100039 Uncertainties. O063400100040 HISTORY (19980216C) By Khlopin'S Institute. O063400100041 (19980525A) Reaction Line is Corrected. O063400100042 (19980604U) Last checking has been done. O063400100043 (20000424A) DATE is corrected O063400100044 STATUS (TABLE) Data from Ref. Text. O063400100045 ADD-RES (Z-DIS,A-DIS). Cumulative and Independent Cross O063400100046 Sections of Fission Products. O063400100047 ENDBIB 45 0 O063400100048 COMMON 1 3 O063400100049 EN-ERR O063400100050 MEV O063400100051 0.1 O063400100052 ENDCOMMON 3 0 O063400100053 ENDSUBENT 52 0 O063400199999 SUBENT O0634002 20000424 0000O063400200001 BIB 2 7 O063400200002 REACTION (92-U-238(P,F),,SIG,,,EXP) O063400200003 SAMPLE The High Purity Uranium-238 Metal. Admixture of U-235 O063400200004 Is Less Than 0.4%. Circular Targets, 0.75 Inch Diam., O063400200005 0.001 Inch Thick. A Target Assembly Consisted of Three O063400200006 Uranium Targets Each of Which was Sandwiched Between O063400200007 Aluminium Recoil Catcher Foils, 0.001 Inch Thick, O063400200008 Which Stopped All the Activity. O063400200009 ENDBIB 7 0 O063400200010 NOCOMMON 0 0 O063400200011 DATA 2 3 O063400200012 EN DATA O063400200013 MEV MB O063400200014 12. 137.2 O063400200015 9.4 36.3 O063400200016 7.1 1.1 O063400200017 ENDDATA 5 0 O063400200018 ENDSUBENT 17 0 O063400299999 ENDENTRY 2 0 O063499999999