ENTRY 40543 20211201 42034054300000001 SUBENT 40543001 20211201 42034054300100001 BIB 9 25 4054300100002 INSTITUTE (4RUSKUR) 4054300100003 REFERENCE (J,SJA,41,1083,1976) Engl.translation of AE. 4054300100004 #doi:10.1007/BF01119523 4054300100005 (J,AE,41,425,1977) Issue 6 4054300100006 (R,YFI-24,10,1977) Data Table. 4054300100007 In INDC(CCP)-171 - only title and first author. 4054300100008 AUTHOR (E.F.Fomushkin,G.F.Novoselov,Yu.I.Vinogradov, 4054300100009 V.V.Gavrilov) 4054300100010 TITLE Measurement of the ratio SIGMAf(239Pu)/SIGMAf(235U) 4054300100011 for neutron energies of 0.27-9.85 MeV 4054300100012 INC-SOURCE (EXPLO) Nucl.explosive device 4054300100013 METHOD (TOF) Time-of-flight method with resolution 4054300100014 7.5 nsec/m (FWHM) 4054300100015 DETECTOR (TRD) Track detector - polycarbonate films. 4054300100016 CORRECTION Corrections were made on 4054300100017 isotopic composition of the Pu and U samples, 4054300100018 background of scattered neutrons ( <1.5%), 4054300100019 difference in fragment angular distribution 4054300100020 of isotopes investigated ( ~1%). 4054300100021 HISTORY (20070914A) M.M. DATA-ERR was changed into ERR-S. 4054300100022 (20211201A) M.M. Correction according to current rules 4054300100023 and dictionaries. 4054300100024 Refs. of AE and SJA were added. 4054300100025 PART-DET (FF) was deleted according to a comment of 4054300100026 N.Otsuka ( NDS,IAEA). 4054300100027 ENDBIB 25 0 4054300100028 NOCOMMON 0 0 4054300100029 ENDSUBENT 28 0 4054300199999 SUBENT 40543002 20211201 42034054300200001 BIB 5 17 4054300200002 REACTION ((94-PU-239(N,F),,SIG)/ 4054300200003 (92-U-235(N,F),,SIG)) 4054300200004 SAMPLE Measurement of effective numbers of nuclei in layers 4054300200005 was done by thermal (309+-18 K temperature) neutrons 4054300200006 fission of Pu-239 and U-235 layers in graphite prism 4054300200007 ( 100 x 100 x 100 cm ) irradiated by fast neutrons of 4054300200008 U-235 critical assembly ( see also ASSUMED for data 4054300200009 used). 4054300200010 ASSUMED (ASSUM1,94-PU-239(N,F),,SIG) at 0.0253 eV 4054300200011 (ASSUM2,92-U-235(N,F),,SIG) at 0.0253 eV 4054300200012 g-factors: 1.066+-0.014 for Pu-239 4054300200013 0.973+-0.003 for U-235 4054300200014 Data used at measurement by thermal neutrons. 4054300200015 ERR-ANALYS (ERR-S) Statistical errors 4054300200016 (ERR-1) Calibration error 1.8% 4054300200017 STATUS (TABLE) Table 1 of Sov.At.Energy,v.41,p.1083,1976 4054300200018 Table of YFI-24,p.10,1977 4054300200019 ENDBIB 17 0 4054300200020 COMMON 5 3 4054300200021 ASSUM1 ASSUM1-ERR ASSUM2 ASSUM2-ERR ERR-1 4054300200022 B B B B PER-CENT 4054300200023 742.5 3.0 582.2 1.3 1.8 4054300200024 ENDCOMMON 3 0 4054300200025 DATA 4 20 4054300200026 EN-MIN EN-MAX DATA ERR-S 4054300200027 MEV MEV NO-DIM PER-CENT 4054300200028 0.27 0.36 0.81 14.4 4054300200029 0.36 0.44 1.07 12.1 4054300200030 0.44 0.50 1.15 10.9 4054300200031 0.50 0.59 1.31 8.4 4054300200032 0.59 0.69 1.34 7.3 4054300200033 0.69 0.83 1.37 6.3 4054300200034 0.83 1.01 1.56 5.5 4054300200035 1.01 1.13 1.33 6.6 4054300200036 1.13 1.26 1.39 6.1 4054300200037 1.26 1.42 1.24 5.4 4054300200038 1.42 1.62 1.39 5.1 4054300200039 1.62 1.85 1.53 4.9 4054300200040 1.85 2.15 1.47 4.6 4054300200041 2.15 2.50 1.56 4.4 4054300200042 2.50 3.00 1.57 4.6 4054300200043 3.00 3.60 1.62 4.7 4054300200044 3.60 4.45 1.67 4.9 4054300200045 4.45 5.60 1.37 5.1 4054300200046 5.60 7.28 1.25 4.8 4054300200047 7.28 9.85 1.23 6.2 4054300200048 ENDDATA 22 0 4054300200049 ENDSUBENT 48 0 4054300299999 ENDENTRY 2 0 4054399999999