ENTRY 22059 20181212 22732205900000001 SUBENT 22059001 20181212 22732205900100001 BIB 17 38 2205900100002 REFERENCE (J,RCA,21,200,1974) 2205900100003 TITLE Absolute yields of Mo-99 in the thermal neutron- 2205900100004 induced fission of U-233 and Pu-239 2205900100005 AUTHOR (C.Egger,H.R.von Gunten,A.Schmid,H.S.Pruys) 2205900100006 INSTITUTE (2SWTUBE) C.E., H.R.G. 2205900100007 (2SWTWUR) H.R.G, A.S., H.S.P. 2205900100008 FACILITY (REAC,2SWTWUR) Diorit reactor. 2205900100009 INC-SOURCE (REAC) Thermal reactor with additional D2O moderators. 2205900100010 INC-SPECT .Thermal neutrons. Irradiation times 70 - 80 hours. 2205900100011 METHOD (CHSEP) Chemical separation. 2205900100012 (ACTIV) Measurement of the gamma and beta activi- 2205900100013 ties from the fission products. 2205900100014 DETECTOR (NAICR,GELI) Calibrated NaI and GeLi detectors 2205900100015 used for gamma counting. 2205900100016 (PROPC) Proportional counter for beta measurements. 2205900100017 .No information given on how fission rates were 2205900100018 determined. 2205900100019 PART-DET (DG) 2205900100020 (B-) 2205900100021 SAMPLE No information given. 2205900100022 CORRECTION The activities were corrected for chemical yield, 2205900100023 detector efficiencies and decay properties of 2205900100024 Mo-99. for the proportional counter, corrections 2205900100025 for self-absorption were also applied. 2205900100026 The fission rates were corrected for counting 2205900100027 efficiency and counting losses. 2205900100028 ERR-ANALYS (ERR-T) Total errors were calculated on the basis of 2205900100029 the spread of the individual measurements and on the 2205900100030 (ERR-SYS) systematic error in the decay schemes 2205900100031 COMMENT Authors believe that the main source of systematic 2205900100032 errors lies in uncertainties of the decay schemes. 2205900100033 ANALYSIS The given values were calculated as mean values 2205900100034 of several measurements with the three different 2205900100035 detectors mentioned. 2205900100036 STATUS (TABLE) Tbl. 3 from Radiochimica Acta 21(1972)200. 2205900100037 HISTORY (19871106C) N.O. 2205900100038 (20181212U) SD:Updated to new date formats,lower case. 2205900100039 BIB updated. 2205900100040 ENDBIB 38 0 2205900100041 COMMON 2 3 2205900100042 EN-DUMMY ERR-SYS 2205900100043 EV PER-CENT 2205900100044 2.5300E-02 2. 2205900100045 ENDCOMMON 3 0 2205900100046 ENDSUBENT 45 0 2205900199999 SUBENT 22059002 20181212 22732205900200001 BIB 3 6 2205900200002 REACTION (92-U-233(N,F)42-MO-99,CUM,FY,,SPA) 2205900200003 DECAY-DATA (43-TC-99-M,,DG,140.5,.896) 2205900200004 (43-TC-99-M,,DG,181.1,.067) 2205900200005 (42-MO-99,66.7HR) 2205900200006 HISTORY (20181212U) SD: DATA-ERR -> ERR-T. STATUS moved to 2205900200007 Subent 001. 2205900200008 ENDBIB 6 0 2205900200009 NOCOMMON 0 0 2205900200010 DATA 2 1 2205900200011 DATA ERR-T 2205900200012 PC/FIS PC/FIS 2205900200013 4.75 0.11 2205900200014 ENDDATA 3 0 2205900200015 ENDSUBENT 14 0 2205900299999 SUBENT 22059003 20181212 22732205900300001 BIB 3 6 2205900300002 REACTION (94-PU-239(N,F)42-MO-99,CUM,FY,,SPA) 2205900300003 DECAY-DATA (43-TC-99-M,,DG,140.5,.896) 2205900300004 (43-TC-99-M,,DG,181.1,.067) 2205900300005 (42-MO-99,66.7HR) 2205900300006 HISTORY (20181212U) SD: DATA-ERR -> ERR-T. STATUS moved to 2205900300007 Subent 001. 2205900300008 ENDBIB 6 0 2205900300009 NOCOMMON 0 0 2205900300010 DATA 2 1 2205900300011 DATA ERR-T 2205900300012 PC/FIS PC/FIS 2205900300013 6.22 0.14 2205900300014 ENDDATA 3 0 2205900300015 ENDSUBENT 14 0 2205900399999 ENDENTRY 3 0 2205999999999