ENTRY 30475 20240308 32133047500000001 SUBENT 30475001 20240308 32133047500100001 BIB 15 71 3047500100002 TITLE Absolute measurement of fission cross sections of 3047500100003 nuclide 235U, 238U, 237Np and 239Pu at neutron energy 3047500100004 of 14.7 MeV 3047500100005 AUTHOR (R.Arlt, W.Meiling, G.Musiol, H.-G.Ortlepp, R.Teichner,3047500100006 W.Wagner, I.D.Alkhazov, O.I.Kostockin, S.S.Kovalenko, 3047500100007 K.A.Petrzak, V.I.Spakov) 3047500100008 INSTITUTE (3DDRTUD,4RUSRI) 3047500100009 REFERENCE (J,KE,24,48,1981) Detailed report, in German 3047500100010 (J,IP,21,344,1985) Summary, in German 3047500100011 (S,ZFK-491,135,1982) Summary 3047500100012 (J,AE,55,218,1983) Summary (in Russian) 3047500100013 (J,SJA,55,656,1983) Engl.of AE 55 218 3047500100014 (S,ZFK-410,122,1980) Superseded.Numerical values only 3047500100015 (C,79KNOX,,990,1979) Superseded. 3047500100016 (P,ZFK-350,10,1978) In German. Experimental details, 3047500100017 prelim.Value for U-235 only 3047500100018 (P,ZFK-385,18,1979) in German.Prelim.Values for 3047500100019 U-238, Np-237 and Pu-239 3047500100020 (P,ZFK-408,26,1980) in German.Same results as ZFK-410 3047500100021 (J,NIM,169,381,1980) Experimental method, no data 3047500100022 (P,ZFK-382,180,1979) Prelim.Rept.,In Russian 3047500100023 (P,ZFK-376,129,1978) Prelim.Rept.,In Russian 3047500100024 (J,AE,47,416,1979) Prelim.Values of U-235,238 3047500100025 (J,SJA,47,1040,1979) Engl.Transl.Of AE 47,416 3047500100026 (P,INDC(GDR)-12,9,1980) Abstract, final values 3047500100027 (S,INDC(NDS)-146,53,1983) Covariance matrices 3047500100028 REL-REF (N,,N.Otuka+,R,INDC(SEC)-0112,2022) 3047500100029 History of data revisions in Tables 17-20) 3047500100030 FACILITY (CCW,3DDRTUD) 3047500100031 INC-SOURCE (D-T) 3047500100032 SAMPLE Enriched samples 99.99% made by Hf-sputtering and 3047500100033 assayed at Radium Institute Leningrad 3047500100034 DETECTOR (SCIN) Thin film scintillator for associated alphas 3047500100035 (FISCH) Parallel plate pulse fission chamber for 3047500100036 registration of fission events 3047500100037 METHOD (ASSOP) Time-correlated associated particle method 3047500100038 MONITOR Time correlated alpha method for neutron-flux 3047500100039 determination 3047500100040 CORRECTION Main corrections performed were (in percent) for 3047500100041 .random coincidences 1-3% 3047500100042 .scattered neutrons 1-3% 3047500100043 .efficiency of fission chamber 1-2% 3047500100044 .background in alpha-detector 0.3% (typically) 3047500100045 ERR-ANALYS (DATA-ERR) Overall standard deviation = 1.1%, including3047500100046 errors from: 3047500100047 .determination of sample thickness 3047500100048 .counting of coincidences 3047500100049 .absolute neutron counting in cone. 3047500100050 Statistical error is very small. 3047500100051 STATUS (APRVD) Approved by authors through letter of 8 Dec.80.3047500100052 HISTORY (19790430C) KO. 3047500100053 (19801027A) OS.- Subentries 3-5 and ref.Added, 3047500100054 num.Value of subentry 2 slightly changed 3047500100055 bib changes, author proof added. Os 3047500100056 (19810731A) OS. Main ref.Added,bib section revised 3047500100057 (19850703A) OS. Subentry 6 added 3047500100058 (19861117A) OS. Subentry 7 added, 6 revised, bib 3047500100059 updates. 3047500100060 (20040708A) OS. Status "superseded" added to most 3047500100061 subentries. Changed to 4-digit year. 3047500100062 (20070821A) BIB section updated.Data heading corrected.3047500100063 Subents 2,3,5-7 deleted because data are superseded 3047500100064 by the data from Entries 41013, 40911 or 22304: 3047500100065 41013004 for U-235 3047500100066 22304007 for U-238 3047500100067 22304009 for Pu-239 3047500100068 40911008 for Pu-242 3047500100069 40911003 for U-233 3047500100070 (20171006U) VS. Ref. SJA,55,656,1983 corrected. 3047500100071 (20240308A) VT. Revision in 004. 3047500100072 (20240308A) On. 002-003, 005-007 restored and revised. 3047500100073 ENDBIB 71 0 3047500100074 COMMON 2 3 3047500100075 EN EN-RSL-HW 3047500100076 MEV MEV 3047500100077 14.7 0.15 3047500100078 ENDCOMMON 3 0 3047500100079 ENDSUBENT 78 0 3047500199999 SUBENT 30475002 20240308 32133047500200001 BIB 4 5 3047500200002 REACTION (92-U-235(N,F),,SIG) 3047500200003 SAMPLE 256.7 ug/cm2 3047500200004 STATUS (TABLE,,R.Arlt+,J,KE,24,48,1981) Table 5 3047500200005 (SPSDD,22304006) Final data (2.096 b) 3047500200006 HISTORY (20240308S) On. from TRANS.3116. ERR-T -> DATA-ERR. 3047500200007 ENDBIB 5 0 3047500200008 NOCOMMON 0 0 3047500200009 DATA 2 1 3047500200010 DATA DATA-ERR 3047500200011 B B 3047500200012 2.085 0.023 3047500200013 ENDDATA 3 0 3047500200014 ENDSUBENT 13 0 3047500299999 SUBENT 30475003 20240308 32133047500300001 BIB 4 5 3047500300002 REACTION (92-U-238(N,F),,SIG) 3047500300003 SAMPLE 386.3 or 289. ug/cm2 3047500300004 STATUS (TABLE,,R.Arlt+,J,KE,24,48,1981) Table 5 3047500300005 (SPSDD,22304007) Final data (1.228 b) 3047500300006 HISTORY (20240308S) On. from TRANS.3116. ERR-T -> DATA-ERR. 3047500300007 ENDBIB 5 0 3047500300008 NOCOMMON 0 0 3047500300009 DATA 2 1 3047500300010 DATA DATA-ERR 3047500300011 B B 3047500300012 1.166 0.021 3047500300013 ENDDATA 3 0 3047500300014 ENDSUBENT 13 0 3047500399999 SUBENT 30475004 20240308 32133047500400001 BIB 4 5 3047500400002 REACTION (93-NP-237(N,F),,SIG) 3047500400003 SAMPLE 228.6 ug/cm2 3047500400004 STATUS (TABLE,,R.Arlt+,J,KE,24,48,1981) Table 5 3047500400005 (SPSDD,22304008) Final data (2.285 b) 3047500400006 HISTORY (20240308A) VT. Superseded. ERR-T -> DATA-ERR. 3047500400007 ENDBIB 5 0 3047500400008 NOCOMMON 0 0 3047500400009 DATA 2 1 3047500400010 DATA DATA-ERR 3047500400011 B B 3047500400012 2.226 0.024 3047500400013 ENDDATA 3 0 3047500400014 ENDSUBENT 13 0 3047500499999 SUBENT 30475005 20240308 32133047500500001 BIB 4 5 3047500500002 REACTION (94-PU-239(N,F),,SIG) 3047500500003 SAMPLE 289.8 ug/cm2 3047500500004 STATUS (TABLE,,R.Arlt+,J,KE,24,48,1981) Table 5 3047500500005 (SPSDD,22304009) Final data (2.449 b) 3047500500006 HISTORY (20240308S) On. from TRANS.3116. ERR-T -> DATA-ERR. 3047500500007 ENDBIB 5 0 3047500500008 NOCOMMON 0 0 3047500500009 DATA 2 1 3047500500010 DATA DATA-ERR 3047500500011 B B 3047500500012 2.3940 0.024 3047500500013 ENDDATA 3 0 3047500500014 ENDSUBENT 13 0 3047500599999 SUBENT 30475006 20240308 32133047500600001 BIB 3 6 3047500600002 REACTION (94-PU-242(N,F),,SIG) 3047500600003 STATUS (TABLE,,S.S.Kovalenko+,J,IP,21,344,1985) Table 1 3047500600004 (SPSDD,40911008) 2.143 b 3047500600005 HISTORY (19850703C) OS. 3047500600006 (19861117A) OS. Revised. 3047500600007 (20240308S) On. from TRANS.3116. ERR-T -> DATA-ERR. 3047500600008 ENDBIB 6 0 3047500600009 NOCOMMON 0 0 3047500600010 DATA 2 1 3047500600011 DATA DATA-ERR 3047500600012 B B 3047500600013 2.0780 0.045 3047500600014 ENDDATA 3 0 3047500600015 ENDSUBENT 14 0 3047500699999 SUBENT 30475007 20240308 32133047500700001 BIB 3 5 3047500700002 REACTION (92-U-233(N,F),,SIG) 3047500700003 STATUS (TABLE,,S.S.Kovalenko+,J,IP,21,344,1985) Table 1 3047500700004 (SPSDD,40911003) 2.244 b 3047500700005 HISTORY (19861117C) OS. 3047500700006 (20240308S) On. from TRANS.3116. ERR-T -> DATA-ERR. 3047500700007 ENDBIB 5 0 3047500700008 NOCOMMON 0 0 3047500700009 DATA 2 1 3047500700010 DATA DATA-ERR 3047500700011 B B 3047500700012 2.244 0.039 3047500700013 ENDDATA 3 0 3047500700014 ENDSUBENT 13 0 3047500799999 ENDENTRY 7 0 3047599999999