ENTRY 21775 19840409 00002177500000001 SUBENT 21775001 19840409 00002177500100001 BIB 16 33 2177500100002 INSTITUTE (2JPNKTO) 2177500100003 REFERENCE (R,KURRI-AR-14,1,81) 2177500100004 AUTHOR (K.KOBAYASHI,S.YAMAMOTO,I.KIMURA) 2177500100005 TITLE -THE U-235 FISSION SPECTRUM AVERAGED CROSS SECTION 2177500100006 FOR THE HG-199(N,N')HG-199M REACTION PROCESSED WITH 2177500100007 COVARIANCES BETWEEN THE DATA UNCERTAINTIES. - 2177500100008 FACILITY (REAC ,2JPNKTO) KUR (HEAVY WATER THERMAL REACTOR) 2177500100009 INC-SOURCE (REAC ) + U-235 PLATE (1 CM THICK, 27 CM IN EFFECTIVE 2177500100010 DIAMETER WITH 1.1 KG OF 90 PERCENT ENRICHED URANIUM) 2177500100011 INC-SPECT .FISSION SPECTRUM FROM U-235 PLATE. 2177500100012 SAMPLE .POWDER OF PURE HG2SO4 WAS PRESSED INTO A PELLET OF 2177500100013 10 MM IN DIAMETER AND ABOUT 2.5 MM THICK. ISOTOPE 2177500100014 ABUNDANCE OF HG-199 = 16.8 PERCENT. 2177500100015 .INDIUM FOIL FOR FLUX MONITOR. ISOTOPE ABUNDANCE OF 2177500100016 IN-155 = 95.7 PERCENT. 2177500100017 METHOD .HG AND IN SAMPLES WERE IRRADIATED ON THE FISSION 2177500100018 PLATE. 2177500100019 .TWO GAMMA LINES OF 158 AND 375 KEV FROM HG-199M WERE 2177500100020 MEASURED. 2177500100021 DETECTOR (GELI ) 40CC. FOR GAMMA RAYS. 2177500100022 THE DETECTOR WAS CALIBRATED WITH STANDARD GAMMA-RAY 2177500100023 SOURCES OF MN-54, CO-60, BA-133 AND CS-137. 2177500100024 MONITOR (49-IN-115(N,INL)49-IN-115-M,,SIG) 2177500100025 PART-DET (DG ) 158 AND 375 KEV GAMMA RAYS. 2177500100026 STATUS .DATA WERE TAKEN FROM MAIN REF. 2177500100027 HISTORY (820525C) T.N. 2177500100028 (820921E) 2177500100029 (840106U) A.P.T. JAPAN CODE CHANGED TO JPN 2177500100030 (840106E) 2177500100031 CORRECTION .CORRECTED WITH THE EFFECTS OF HG-198(N,GAMMA) AND 2177500100032 HG-200(N,2N) CROSS SECTIONS. 2177500100033 ERR-ANALYS (ERR-T) STANDARD DEVIATION. CORRELATION MATRIX IS 2177500100034 ALSO GIVEN. 2177500100035 ENDBIB 33 0 2177500100036 COMMON 1 3 2177500100037 EN-DUMMY 2177500100038 MEV 2177500100039 1.5000E+00 2177500100040 ENDCOMMON 3 0 2177500100041 ENDSUBENT 40 0 2177500199999 SUBENT 21775002 19820921 00002177500200001 BIB 4 5 2177500200002 REACTION (80-HG-199(N,INL)80-HG-199-M,,SIG,,FIS) 2177500200003 DECAY-DATA (80-HG-199-M,42.62MIN,DG,375.,0.1233) 2177500200004 STATUS .DATA WERE TAKEN FROM TABLE 4 OF MAIN REF. 2177500200005 HISTORY (820525C) T.N. 2177500200006 (820921E) 2177500200007 ENDBIB 5 0 2177500200008 NOCOMMON 0 0 2177500200009 DATA 4 1 2177500200010 DATA ERR-T MONIT MONIT-ERR 2177500200011 MB MB MB MB 2177500200012 2.7700E+02 1.5400E+01 1.9300E+02 1.0000E+01 2177500200013 ENDDATA 3 0 2177500200014 ENDSUBENT 13 0 2177500299999 ENDENTRY 2 0 2177599999999