ENTRY 40073 20061031 41394007300000001 SUBENT 40073001 20061031 41394007300100001 BIB 13 41 4007300100002 INSTITUTE (4RUSFEI) 4007300100003 REFERENCE (W,KONONOV,197105) 4007300100004 AUTHOR (V.N.KONONOV, E.D.POLETAEV, YU.S.PROKOPETS, A.A.METLEV,4007300100005 YU.JA.STAVISSKIJ) 4007300100006 TITLE Absolute Measurements Of The Ratio Of Neutron Capture 4007300100007 Cross Section To Fission Cross Section (Alpha) For 4007300100008 Uranium-235 And Plutonium-239 At Neutron Energies From 4007300100009 10.0 kev To 1.0 MeV 4007300100010 FACILITY (VDG) Pulsed Electrostatic Accelerator Van De Graaff 4007300100011 INC-SOURCE (P-LI7)Proton-lithium 7.Metal Lithium Targets Were Used4007300100012 (P-T)Proton-tritium.Standard Tritium -titanium Targets 4007300100013 Were Used 4007300100014 SAMPLE Metal Pu-239 Of 40.Mm Diameter And 2.9E+21 Nuclei 4007300100015 /Cm**2 Of Density With Pu-240 Content Of 0.2 Percent 4007300100016 Oxide Uranium Octooxide (U3O8) Was Enriched With 44007300100017 U-235 To 90.3 Per Cent .Sample Density Was Equal To 4007300100018 4.1E+21 Nuclei/Cm**2 4007300100019 For Background Measurements Equivalent Scattering 4007300100020 Samples Of Carbon And Lead Were Used 4007300100021 METHOD (TOF) Experiment Was Made On Neutron Time-of-flight 4007300100022 Spectrometer With Flight Path 1.125 m And Time 4007300100023 Resolution 18.0 nsec/m For Neutron Energy Range From 4007300100024 10.0 keV Up To 80.0 keV And Energy Resolution From 10.04007300100025 keV Up To 30.0 keV For Neutron Energy Range From 100.0 4007300100026 keV Up To 1.0 MeV At Work On Monoenergetic Neutrons. 4007300100027 Alpha Measurement Method And Experimental Facility 4007300100028 Were Described In Detail In Report Of The Same Authors 4007300100029 At Kiev Conference In May 1971. 4007300100030 DETECTOR (SCIN) Liquid Scintillation Detector Loaded 4007300100031 With Cadmium Was Used 4007300100032 PART-DET (G) 4007300100033 STATUS (SPSDD,40412001) Private Communication 4007300100034 HISTORY (19710623R) Data Received From Author 4007300100035 (20061031U) Misprint in STATUS line was corrected. 4007300100036 Dates were corrected for 4-digits year. M.M. 4007300100037 ERR-ANALYS Alpha Values Were Averaged Over Results Of Nine 4007300100038 Independent Measurements For Pu-239 And Of Five 4007300100039 Measurements For U-235 4007300100040 (EN-ERR) Connected With Experimental Resolution 4007300100041 (ERR-S) Statistical Error 4007300100042 (ERR-T) Total Mean-square Errors 4007300100043 ENDBIB 41 0 4007300100044 NOCOMMON 0 0 4007300100045 ENDSUBENT 44 0 4007300199999 SUBENT 40073002 20061031 41394007300200001 BIB 2 2 4007300200002 REACTION (92-U-235(N,ABS),,ALF) 4007300200003 STATUS (SPSDD,40412002) Data superseded by Subentry 40412002. 4007300200004 ENDBIB 2 0 4007300200005 NOCOMMON 0 0 4007300200006 NODATA 0 0 4007300200007 ENDSUBENT 6 0 4007300299999 SUBENT 40073003 20061031 41394007300300001 BIB 2 2 4007300300002 REACTION (94-PU-239(N,ABS),,ALF) 4007300300003 STATUS (SPSDD,40412005) Data superseded by Subentry 40412005. 4007300300004 ENDBIB 2 0 4007300300005 NOCOMMON 0 0 4007300300006 NODATA 0 0 4007300300007 ENDSUBENT 6 0 4007300399999 ENDENTRY 3 0 4007399999999