ENTRY 20047 20190131 22742004700000001 SUBENT 20047001 20190131 22742004700100001 BIB 12 23 2004700100002 INSTITUTE (2NORKJL) 2004700100003 REFERENCE (J,JNE,1,286,1955) 2004700100004 AUTHOR (D.Popovic, E.Saeland) 2004700100005 TITLE Thermal neutron fission cross-section of uranium-233 2004700100006 FACILITY (REAC,2NORKJL) JEEP reactor. 2004700100007 INC-SOURCE (THCOL) Thermal column. 2004700100008 INC-SPECT thermal neutron flux averaged over the irradiation 2004700100009 period (three months) being about 10**11 n/cm2/sec 2004700100010 SAMPLE About 5 micrograms 233U was transferred 2004700100011 to an aluminium foil (5 X 2) cm2. 2004700100012 The simultaneous irradiation of NaI crystals gives a 2004700100013 number of activated sodium atoms (time of irradiation2004700100014 short compared to the mean life-time for 2004700100015 beta-disintegration) 2004700100016 METHOD Direct detection of fission fragments. 2004700100017 DETECTOR (TRD) El Ilford emulsion track detector. 2004700100018 ERR-ANALYS (DATA-ERR) The probable error was increased for the 2004700100019 value of the fission cross-section because of the many2004700100020 contradictory values given for the activation 2004700100021 cross-section of sodium. 2004700100022 HISTORY (19710803T) From NEUDADA. 2004700100023 (20190131A) SD:Updated to new date formats,lower case. 2004700100024 BIB updated. 2004700100025 ENDBIB 23 0 2004700100026 COMMON 1 3 2004700100027 EN-DUMMY 2004700100028 MEV 2004700100029 2.53E-08 2004700100030 ENDCOMMON 3 0 2004700100031 ENDSUBENT 30 0 2004700199999 SUBENT 20047002 20190131 22742004700200001 BIB 3 5 2004700200002 REACTION ((92-U-233(N,F),,SIG,,MXW)/ 2004700200003 (11-NA-23(N,G)11-NA-24,,SIG,,MXW)) 2004700200004 PART-DET (FF,B-) Fission fragments and decay beta- electrons,2004700200005 (for 11-Na-23). 2004700200006 STATUS (TABLE) From the text on p.288 of J.Nucl.En.,1(1955)2862004700200007 ENDBIB 5 0 2004700200008 NOCOMMON 0 0 2004700200009 DATA 2 1 2004700200010 DATA DATA-ERR 2004700200011 NO-DIM PER-CENT 2004700200012 985. 3. 2004700200013 ENDDATA 3 0 2004700200014 ENDSUBENT 13 0 2004700299999 SUBENT 20047003 20190131 22742004700300001 BIB 5 8 2004700300002 REACTION (92-U-233(N,F),,SIG,,MXW) 2004700300003 MONITOR (11-NA-23(N,G)11-NA-24,,SIG) 2004700300004 PART-DET (FF) Fission fragments. 2004700300005 STATUS (TABLE) From the text on p.288 of J.Nucl.En.,1(1955)2862004700300006 Normalization out of date, see Subent 004 2004700300007 (SPSDD,20047004) new value 2004700300008 HISTORY (20190131T) SD: STATUS updated. MONIT added. Data 2004700300009 restored from archive. 2004700300010 ENDBIB 8 0 2004700300011 NOCOMMON 0 0 2004700300012 DATA 3 1 2004700300013 DATA DATA-ERR MONIT 2004700300014 B B B 2004700300015 492. 25. 0.50 2004700300016 ENDDATA 3 0 2004700300017 ENDSUBENT 16 0 2004700399999 SUBENT 20047004 20190131 22742004700400001 BIB 5 7 2004700400002 REACTION (92-U-233(N,F),,SIG,,MXW) 2004700400003 MONITOR (11-NA-23(N,G)11-NA-24,,SIG) 2004700400004 PART-DET (FF) Fission fragments. 2004700400005 STATUS (NDD) No information of the source of the new value 2004700400006 of Na-23 cr.sect. 2004700400007 HISTORY (20190131U) SD: STATUS added. MONIT added. 2004700400008 COMMENT deleted. 2004700400009 ENDBIB 7 0 2004700400010 NOCOMMON 0 0 2004700400011 DATA 3 1 2004700400012 DATA DATA-ERR MONIT 2004700400013 B B B 2004700400014 526. 26. 0.534 2004700400015 ENDDATA 3 0 2004700400016 ENDSUBENT 15 0 2004700499999 ENDENTRY 4 0 2004799999999