ENTRY 20810 20211220 23062081000000001 SUBENT 20810001 20211220 23062081000100001 BIB 13 32 2081000100002 TITLE Measurement of average cross section for 2081000100003 238-U(n,2n)237-U reaction 2081000100004 REFERENCE (J,NST,15,626,1978) Short note. 2081000100005 AUTHOR (T.Hashimoto,T.Sotobayashi,K.Kobayashi) 2081000100006 INSTITUTE (2JPNNIG) T.Hashimoto and T.Sotobayashi. 2081000100007 (2JPNKTO) K.Kobayashi. 2081000100008 FACILITY (REAC,2JPNKTO) Centre core of Kyoto University 2081000100009 research reactor. 2081000100010 INC-SOURCE (REAC) Fast flux 4x10**13 n/cm*2/sec. 2081000100011 INC-SPECT Fast neutron spectrum above 1MeV is very close 2081000100012 to that of fission neutrons. 2081000100013 SAMPLE Slightly depleted uranium oxide. 1 mg U3O8 sealed 2081000100014 in a quartz ampoule 2081000100015 METHOD After irradiation sample cooled for 20 days, and 2081000100016 chemically purified. Uranium electrodeposited 2081000100017 on a stainless steel plate 2081000100018 DETECTOR (GELI) 2cm3 2081000100019 MONITOR ((MONIT1)28-NI-58(N,P)27-CO-58,,SIG,,FIS) 2081000100020 ((MONIT2)26-FE-54(N,P)25-MN-54,,SIG,,FIS) 2081000100021 ((MONIT3)22-TI-46(N,P)21-SC-46,,SIG,,FIS) 2081000100022 ERR-ANALYS (ERR-T) Total error. 2081000100023 (ERR-1) Uncertainty in flux normalisation 2081000100024 (ERR-2) Uncertainty from alpha activity determination 2081000100025 of 238-U content 2081000100026 (ERR-3,,3.) Uncertainty from time of irradiation,half 2081000100027 life and gamma-ray intensity 2081000100028 (ERR-S) Statistical error 2081000100029 HISTORY (19781128C) 2081000100030 (19801112A) G.C., Monitor reaction string corrected 2081000100031 (20211220A) SD:Updated to new date formats,lower case. 2081000100032 MONITOR reaction updated (-G+M from SF4 and /SUM from 2081000100033 SF6 deleted). BIB updated. 2081000100034 ENDBIB 32 0 2081000100035 COMMON 7 6 2081000100036 EN-DUMMY MONIT1 MONIT2 MONIT3 ERR-1 ERR-2 2081000100037 ERR-S 2081000100038 MEV MB MB MB PER-CENT PER-CENT 2081000100039 PER-CENT 2081000100040 1.5 102. 76.3 11.3 3. 5. 2081000100041 5. 2081000100042 ENDCOMMON 6 0 2081000100043 ENDSUBENT 42 0 2081000199999 SUBENT 20810002 20211220 23062081000200001 BIB 4 5 2081000200002 REACTION (92-U-238(N,2N)92-U-237,,SIG,,FIS) 2081000200003 DECAY-DATA (92-U-237,6.75D,DG,208.) 2081000200004 STATUS (TABLE) Table 1 from Nucl.Sci.Tech.,15(1978)626 2081000200005 HISTORY (19801112A) G.C., Data headings changed. 2081000200006 (20211220A) SD: BIB updated. 2081000200007 ENDBIB 5 0 2081000200008 NOCOMMON 0 0 2081000200009 DATA 2 1 2081000200010 DATA ERR-T 2081000200011 MB MB 2081000200012 16.9 1.4 2081000200013 ENDDATA 3 0 2081000200014 ENDSUBENT 13 0 2081000299999 ENDENTRY 2 0 2081099999999