ENTRY 10207 20230707 1020700000001 SUBENT 10207001 20230707 20240316 1020700100001 BIB 12 27 1020700100002 INSTITUTE (1USAORL) 1020700100003 REFERENCE (J,NSE,12,359,1962) 1020700100004 #doi:10.13182/NSE62-A28086 1020700100005 (J,NSE,44,266,1971) 1020700100006 #doi:10.13182/NSE71-A19674 1020700100007 AUTHOR (R.Gwin,D.W.Magnuson) 1020700100008 TITLE Determination of Eta by comparison of (Eta * Sigma)avg.1020700100009 for U-233 and Pu-239 with (Eta * Sigma)avg. Fur U-235 1020700100010 in a flux trap critical assembly. 1020700100011 FACILITY (CRASS,1USAORL) 1020700100012 SAMPLE Samples dissolved in H2O. 1020700100013 INC-SOURCE (THCOL) Thermalized spectrum at ORNL critical facility,1020700100014 annular homogeneous 235U-H2O reactor. 1020700100015 METHOD (REAC) Reactivity coefficient measurement. 1020700100016 CORRECTION Corrected for epithermal neutron effects, assuming 1020700100017 incident spectrum to be Maxwellian plus 1/E. 1020700100018 ERR-ANALYS (DATA-ERR) No information on source of uncertainties. 1020700100019 STATUS (APRVD) Approved by author 1020700100020 (TABLE) Data taken from recalculation by Magnuson, 1020700100021 J,NSE,44,266,1971, p.267 1020700100022 HISTORY (19711203C) 1020700100023 (19750905U) BIB changes 1020700100024 (19821012A) Converted to REACTION formalism 1020700100025 (20010305A) Updated to new date formats, lower case. 1020700100026 Out-of-date subentries 2-8 deleted. 1020700100027 (20230524A) OS. Data units corrected, FACILITY added, 1020700100028 STATUS updated 1020700100029 ENDBIB 27 0 1020700100030 COMMON 1 3 1020700100031 EN-DUMMY 1020700100032 EV 1020700100033 0.0253 1020700100034 ENDCOMMON 3 0 1020700100035 ENDSUBENT 34 0 1020700199999 NOSUBENT 10207002 20010305 00001020700200001 NOSUBENT 10207003 20010305 00001020700300001 NOSUBENT 10207004 20010305 00001020700400001 NOSUBENT 10207005 20010305 00001020700500001 NOSUBENT 10207006 20010305 00001020700600001 NOSUBENT 10207007 20010305 00001020700700001 NOSUBENT 10207008 20010305 00001020700800001 SUBENT 10207009 20010305 00001020700900001 BIB 1 4 1020700900002 REACTION (((92-U-233(N,ABS),,ETA,,MXW)* 1020700900003 (92-U-233(N,ABS),,SIG,,MXW))/ 1020700900004 ((92-U-235(N,ABS),,ETA,,MXW)* 1020700900005 (92-U-235(N,ABS),,SIG,,MXW))) 1020700900006 ENDBIB 4 0 1020700900007 NOCOMMON 0 0 1020700900008 DATA 2 1 1020700900009 DATA DATA-ERR 1020700900010 NO-DIM NO-DIM 1020700900011 0.953 0.014 1020700900012 ENDDATA 3 0 1020700900013 ENDSUBENT 12 0 1020700999999 SUBENT 10207010 20010305 00001020701000001 BIB 1 4 1020701000002 REACTION (((94-PU-239(N,ABS),,ETA,,MXW)* 1020701000003 (94-PU-239(N,ABS),,SIG,,MXW))/ 1020701000004 ((92-U-235(N,ABS),,ETA,,MXW)* 1020701000005 (92-U-235(N,ABS),,SIG,,MXW))) 1020701000006 ENDBIB 4 0 1020701000007 NOCOMMON 0 0 1020701000008 DATA 2 1 1020701000009 DATA DATA-ERR 1020701000010 NO-DIM NO-DIM 1020701000011 1.631 0.023 1020701000012 ENDDATA 3 0 1020701000013 ENDSUBENT 12 0 1020701099999 SUBENT 10207011 20230707 20240316 1020701100001 BIB 5 10 1020701100002 REACTION 1((92-U-233(N,ABS),,ETA,,MXW)/ 1020701100003 (92-U-235(N,ABS),,ETA,,MXW)) 1020701100004 2(92-U-233(N,ABS),,ETA,,MXW) 1020701100005 ANALYSIS Calculated from (eta * sigma(abs)), assuming 1020701100006 absorption = 575.6 b for 233U, 679.5 b for 235U, 1020701100007 Westcott g-factor = 0.9962 for 233U, 0.9778 for 235U. 1020701100008 MONITOR 2(92-U-235(N,ABS),,ETA,,MXW) 1020701100009 STATUS (DEP,10207009) 1020701100010 HISTORY (19821013A) Subentries 11,13 combined 1020701100011 (20230524A) Units for DATA 2 and MONIT corrected 1020701100012 ENDBIB 10 0 1020701100013 NOCOMMON 0 0 1020701100014 DATA 3 1 1020701100015 DATA 1DATA 2MONIT 2 1020701100016 NO-DIM PRT/REAC PRT/REAC 1020701100017 1.104 2.292 2.076 1020701100018 ENDDATA 3 0 1020701100019 ENDSUBENT 18 0 1020701199999 SUBENT 10207012 20230707 20240316 1020701200001 BIB 5 10 1020701200002 REACTION 1((94-PU-239(N,ABS),,ETA,,MXW)/ 1020701200003 (92-U-235(N,ABS),,ETA,,MXW)) 1020701200004 2(94-PU-239(N,ABS),,ETA,,MXW) 1020701200005 ANALYSIS Calculated from (eta * sigma(abs)), assuming 1020701200006 absorption = 1012.0 b for 239Pu, 679.5 b for 235U, 1020701200007 Westcott g-factor = 1.0809 for 239Pu, 0.9778 for 235U.1020701200008 MONITOR 2(92-U-235(N,ABS),,ETA,,MXW) 1020701200009 STATUS (DEP,10207009) 1020701200010 HISTORY (19821013A) Subentries 12,14 combined 1020701200011 (20230524A) Units for DATA 2 and MONIT corrected 1020701200012 ENDBIB 10 0 1020701200013 NOCOMMON 0 0 1020701200014 DATA 3 1 1020701200015 DATA 1DATA 2MONIT 2 1020701200016 NO-DIM PRT/REAC PRT/REAC 1020701200017 0.9908 2.056 2.076 1020701200018 ENDDATA 3 0 1020701200019 ENDSUBENT 18 0 1020701299999 NOSUBENT 10207013 19821012 00001020701300001 NOSUBENT 10207014 19821012 00001020701400001 SUBENT 10207015 20230707 20240316 1020701500001 BIB 5 6 1020701500002 REACTION (94-PU-239(N,ABS),,ETA) 1020701500003 ANALYSIS Calculated from Maxwellian cross section using 1020701500004 spectral correction factor = 0.9764. 1020701500005 MONITOR (92-U-235(N,ABS),,ETA) Assumed 235U eta = 2.076 1020701500006 STATUS (DEP,10207012) 1020701500007 HISTORY (20230524A) Units for DATA corrected, MONIT added 1020701500008 ENDBIB 6 0 1020701500009 NOCOMMON 0 0 1020701500010 DATA 2 1 1020701500011 DATA MONIT 1020701500012 PRT/REAC PRT/REAC 1020701500013 2.106 2.076 1020701500014 ENDDATA 3 0 1020701500015 ENDSUBENT 14 0 1020701599999 ENDENTRY 4 0 1020799999999