ENTRY 40974 20180202 41784097400000001 SUBENT 40974001 20180202 41784097400100001 BIB 12 34 4097400100002 INSTITUTE (4RUSMIF,4RUSJIA,4RUSLEB) 4097400100003 REFERENCE (J,AE,61,206,1986) Curves are given. Issue 3. 4097400100004 (J,SJA,61,738,1986) Engl.transl.of J,AE,61,206,1986 4097400100005 AUTHOR (A.V.Antonov,A.S.Voronin,A.I.Isakov,S.P.Kuznetsov, 4097400100006 I.V.Meshkov,A.D.Perekrestenko,S.M.Solov'ev, 4097400100007 A.V.Shelagin) 4097400100008 TITLE Interaction of ultracold neutrons with natural uranium4097400100009 and its isotope 235U 4097400100010 FACILITY (REAC,4RUSMIF) IRT reactor 4097400100011 (CHOPS) Chopper produces intermittent neutron flux of 4097400100012 burst duration 30msec, interval 1 sec between bursts. 4097400100013 METHOD (TOF) Time-of-flight . Flight base 6m. 4097400100014 (TRN) 4097400100015 DETECTOR (PROPC) Filled with He3 - argon 4097400100016 Spectrometer energy resolution ~16%. 4097400100017 MONITOR No information 4097400100018 CORRECTION For neutron refraction in matter. 4097400100019 For neutron multiple reflection. 4097400100020 FOr neutron attenuation in the sample. 4097400100021 Contribution of impurities ~ 0.03 %. 4097400100022 STATUS (APRVD) Perekrestenko,1989-03-22 4097400100023 COMMENT Of compiler M.M. Subent 003 was replaced by NOSUBENT 4097400100024 probably because it was skipped at numeration of 4097400100025 Subents. It did not contained any data. 4097400100026 HISTORY (19890414C) Compiled at the CJD 4097400100027 (19910902A) New 'NOSUBENT' instead of SAN 003 added - 4097400100028 see COMMENT. 4097400100029 New institute code '4RUSLEB' added. 4097400100030 Sample information in SAN 004 introduced. 4097400100031 (20020729A) Date is corrected 4097400100032 (20180202A) M.M. Upper -> lower case correction. 4097400100033 Ref. SJA,61,738,1986 was added. 4097400100034 BIB information was added. U-235 content in sample was 4097400100035 corrected. 4097400100036 ENDBIB 34 0 4097400100037 NOCOMMON 0 0 4097400100038 ENDSUBENT 37 0 4097400199999 SUBENT 40974002 20180202 41784097400200001 BIB 4 8 4097400200002 REACTION (92-U-235(N,TOT),,SIG) 4097400200003 SAMPLE Uranium oxide on aluminum backing. Thickness is 4097400200004 10.71+-0.21 milligram/cm2, U-235 content is 99.992+- 4097400200005 .001% , U-233 content is 2.5E-5 % , U-234 content is 4097400200006 2.E-3% , U-236 content is 4.E-3% , U-238 content is 4097400200007 2.E-3 % 4097400200008 ERR-ANALYS (DATA-ERR) Total error 4097400200009 STATUS (TABLE) From author A.D.Perekrestenko 4097400200010 ENDBIB 8 0 4097400200011 COMMON 1 3 4097400200012 EN-RSL 4097400200013 PER-CENT 4097400200014 16. 4097400200015 ENDCOMMON 3 0 4097400200016 DATA 3 25 4097400200017 EN DATA DATA-ERR 4097400200018 EV B B 4097400200019 3.40E-05 1.88E+04 4.5E+02 4097400200020 2.85E-05 2.02E+04 4.6E+02 4097400200021 2.42E-05 2.18E+04 5.0E+02 4097400200022 2.01E-05 2.44E+04 5.4E+02 4097400200023 1.64E-05 2.69E+04 6.2E+02 4097400200024 1.36E-05 2.96E+04 6.8E+02 4097400200025 1.14E-05 3.25E+04 7.5E+02 4097400200026 9.75E-06 3.47E+04 8.3E+02 4097400200027 8.19E-06 3.85E+04 8.8E+02 4097400200028 6.81E-06 4.29E+04 1.0E+03 4097400200029 5.72E-06 4.67E+04 1.1E+03 4097400200030 4.89E-06 5.07E+04 1.3E+03 4097400200031 4.07E-06 5.52E+04 1.3E+03 4097400200032 3.29E-06 6.15E+04 1.5E+03 4097400200033 2.71E-06 6.91E+04 1.8E+03 4097400200034 2.26E-06 7.47E+04 2.1E+03 4097400200035 1.89E-06 8.12E+04 2.4E+03 4097400200036 1.54E-06 8.97E+04 2.8E+03 4097400200037 1.25E-06 9.70E+04 3.5E+03 4097400200038 1.02E-06 1.14E+05 5.1E+03 4097400200039 8.29E-07 1.18E+05 6.5E+03 4097400200040 6.79E-07 1.12E+05 7.6E+03 4097400200041 5.43E-07 1.47E+05 1.9E+04 4097400200042 4.32E-07 1.43E+05 2.7E+04 4097400200043 3.43E-07 1.47E+05 4.0E+04 4097400200044 ENDDATA 27 0 4097400200045 ENDSUBENT 44 0 4097400299999 NOSUBENT 40974003 19910902 00004097400300001 SUBENT 40974004 20180202 41784097400400001 BIB 5 9 4097400400002 REACTION (92-U-235(N,TOT),,SIG) 4097400400003 SAMPLE Uranium oxide on the aluminum backing. Thickness is 4097400400004 10.71 +- 0.21 milligram/cm2, U-235 content is 99.992 4097400400005 +-.001 % , U-233 content is 2.5E-5 % , U-234 content 4097400400006 is 2.E-3 % , U-236 content is 4.E-3 % , U-238 content 4097400400007 is 2.E-3 % . 4097400400008 ANALYSIS 1/v extrapolation of measured data to the thermal point4097400400009 ERR-ANALYS (DATA-ERR) Error is not specified 4097400400010 STATUS (TABLE) Text, page 742 of SJA,61,738,1986 4097400400011 ENDBIB 9 0 4097400400012 NOCOMMON 0 0 4097400400013 DATA 3 1 4097400400014 EN DATA DATA-ERR 4097400400015 EV B B 4097400400016 2.53 E-02 695. 17. 4097400400017 ENDDATA 3 0 4097400400018 ENDSUBENT 17 0 4097400499999 SUBENT 40974005 20180202 41784097400500001 BIB 5 8 4097400500002 REACTION 1(92-U-0(N,TOT),,SIG) Data for annealed sample 4097400500003 2(92-U-0(N,TOT),,SIG) Data for non-annealed sample 4097400500004 SAMPLE 1 Annealed sample 4097400500005 2 Non-annealed samples 4097400500006 Sample purity 99.79+-0.09 % . 4097400500007 ANALYSIS 1/v extrapolation of measured data to the thermal point4097400500008 ERR-ANALYS (DATA-ERR) ERror is not specified 4097400500009 STATUS (TABLE) Text, page 740 of SJA,61,738,1986 4097400500010 ENDBIB 8 0 4097400500011 NOCOMMON 0 0 4097400500012 DATA 5 1 4097400500013 EN DATA 1DATA-ERR 1DATA 2DATA-ERR 2 4097400500014 EV B B B B 4097400500015 2.53 E-02 8.00 .13 7.98 .07 4097400500016 ENDDATA 3 0 4097400500017 ENDSUBENT 16 0 4097400599999 ENDENTRY 5 0 4097499999999