ENTRY 14736 20220126 14961473600000001 SUBENT 14736001 20220126 14961473600100001 BIB 8 14 1473600100002 TITLE The ratio of nu23/nu25 slightly delayed neutrons from 1473600100003 23 1473600100004 AUTHOR (W.M.Woodward,J.W.Dewire,R.R.Wilson) 1473600100005 REFERENCE (R,LA-185,1944) 1473600100006 REL-REF (A,,,W,ANDERSON,1944) Argonne value for nu233U/nu235U. 1473600100007 INSTITUTE (1USALAS) 1473600100008 SAMPLE Three samples were used, one of 233U containing 3 mg 1473600100009 of oxide, one of beta-stage 235U containing 3.6 mg 1473600100010 oxide, and one of 249Pu containing 3.2 mg metal. 1473600100011 ADD-RES "Delayed neutron fractions" for very short delay times 1473600100012 between 5 x 10**-9 secs and 10**-7 secs were measured: 1473600100013 9.6 +/- 4.4% for U-233, and 1473600100014 -4.0 +/- 5.3% for U-235. 1473600100015 HISTORY (20220126C) BP 1473600100016 ENDBIB 14 0 1473600100017 COMMON 1 3 1473600100018 EN-DUMMY 1473600100019 EV 1473600100020 0.0253 1473600100021 ENDCOMMON 3 0 1473600100022 ENDSUBENT 21 0 1473600199999 SUBENT 14736002 20220126 14961473600200001 BIB 4 6 1473600200002 REACTION ((94-PU-239(N,F),,NU)/(92-U-235(N,F),,NU)) 1473600200003 METHOD (COINC) The measurements of the percent of neutrons 1473600200004 delayed by more than 5 x 10**-9 secs and less than 1473600200005 10**-7 secs. 1473600200006 ERR-ANALYS (ERR-S) Statistical uncertainty 1473600200007 STATUS (TABLE) page 4. 1473600200008 ENDBIB 6 0 1473600200009 NOCOMMON 0 0 1473600200010 DATA 2 1 1473600200011 DATA ERR-S 1473600200012 NO-DIM NO-DIM 1473600200013 1.173 0.021 1473600200014 ENDDATA 3 0 1473600200015 ENDSUBENT 14 0 1473600299999 SUBENT 14736003 20220126 14961473600300001 BIB 3 3 1473600300002 REACTION ((92-U-233(N,F),,NU)/(92-U-235(N,F),,NU)) 1473600300003 ERR-ANALYS (ERR-S) Statistical uncertainty 1473600300004 STATUS (TABLE) page 4. 1473600300005 ENDBIB 3 0 1473600300006 NOCOMMON 0 0 1473600300007 DATA 2 1 1473600300008 DATA ERR-S 1473600300009 NO-DIM NO-DIM 1473600300010 1.033 0.009 1473600300011 ENDDATA 3 0 1473600300012 ENDSUBENT 11 0 1473600399999 ENDENTRY 3 0 1473699999999