ENTRY 21706 20220208 23092170600000001 SUBENT 21706001 20220208 23092170600100001 BIB 15 36 2170600100002 TITLE Independent yields of Pm-148m and Pm-148g in the 2170600100003 thermal-neutron-induced fission of U-233 and Pu-239 2170600100004 AUTHOR (H.U.Zwicky,H.R.von Gunten) 2170600100005 REFERENCE (J,RCA,27,121,1980) 2170600100006 (W,ERTEN,19801216) private communication of H.N.Erten, 2170600100007 with experimental details and data. 2170600100008 (P,INDC(SWT)-12,7,1978) - prelim.data 2170600100009 INSTITUTE (2SWTWUR) 2170600100010 FACILITY (REAC,2SWTWUR) Swimming pool reactor SAPHIR, 2170600100011 Wuerenlingen. 2170600100012 INC-SOURCE (REAC) time of irradiation was 2-3 hr 2170600100013 INC-SPECT Thermal-neutron flux of 3 x 10**13 n/cm2/s and 2170600100014 epithermal 8.4 x 10**11 n/cm2/s. Neutron fluxes 2170600100015 determined from Cd-activity ratios of irradiated were 2170600100016 gold foils. 2170600100017 METHOD (CHSEP) Radiochemical separation 2170600100018 DETECTOR (GELI) 50 cm3, resolution about 2 keV at 1332 keV. 2170600100019 ANALYSIS Gaussian peak fit and decay-analysis. 2170600100020 REL-REF (R,,R.S.Mowatt+,J,CJP,49,108,1971) Pm-148 decay-data 2170600100021 ADD-RES (COMP) Comparison of isomer yield ratios with the model2170600100022 and experimental data 2170600100023 CORRECTION Second chance reactions, burn up, isomeric 2170600100024 transitions (mainly Pm-147). 2170600100025 ERR-ANALYS (ERR-T) Total error given, including the statistical 2170600100026 error (1 sigma) 2170600100027 (ERR-1,,7.) the error in the calibration of the 2170600100028 detectors 2170600100029 (ERR-2,,1.) the errors from decay schemes and 2170600100030 half-lives 2170600100031 (ERR-3,,5.) errors in the chain yields, and errors in 2170600100032 contributions of second chance reactions. 2170600100033 HISTORY (19810105C) G.C. 2170600100034 (20161001A) SD:Updated to new date formats,lower case. 2170600100035 BIB, ERR-ANALYS update. 2170600100036 (20220208A) SD: Ref. P,INDC(SWT)-12,7,1978 added. 2170600100037 Corrections in Subents 003, 005. 2170600100038 ENDBIB 36 0 2170600100039 COMMON 1 3 2170600100040 EN-DUMMY 2170600100041 EV 2170600100042 0.0253 2170600100043 ENDCOMMON 3 0 2170600100044 ENDSUBENT 43 0 2170600199999 SUBENT 21706002 20161001 22532170600200001 BIB 9 16 2170600200002 REACTION (92-U-233(N,F)ELEM/MASS,IND,FY,,MXW) 2170600200003 SAMPLE (92-U-233,ENR=0.9991) U-233, 99.91%, U-O(2)-(N-O(3))2 2170600200004 the sample contained 0.025% U-234 and 0.063% U-238. 2170600200005 DECAY-DATA ((1.)61-PM-148-M,,DG,629.9,0.898) Intensity is 2170600200006 89.8 +- 1.7% 2170600200007 ((2.)61-PM-148-G,,DG,1465.1,0.243) Intensity is 2170600200008 24.3 +- 2.5% 2170600200009 MONITOR (92-U-233(N,F)61-PM-149,IND,FY,,MXW) 2170600200010 (92-U-233(N,F)61-PM-151,IND,FY,,MXW) 2170600200011 DECAY-MON (61-PM-149,,DG,285.9,0.031) Intensity is 3.1 +- 0.2% 2170600200012 (61-PM-151,,DG,340.07,0.21) Intensity is 21.0 +- 2.0% 2170600200013 MONIT-REF (,B.F.Rider,R,NEDO-12154-2,1978) 2170600200014 REL-REF (R,,L.D.Mcisaac+,J,PR,150,1033,1966) Pm-149 decay-data 2170600200015 (R,,S.Hormann+,J,NP/A,166,436,1971) Pm-151 decay-data 2170600200016 ASSUMED (ASSUM,92-U-233(N,F)MASS,CHN,FY,,MXW) 2170600200017 STATUS (TABLE) Tbl. 3 from Radiochim.Acta 27,121,1980) 2170600200018 ENDBIB 16 0 2170600200019 COMMON 4 3 2170600200020 ELEMENT MASS ASSUM ASSUM-ERR 2170600200021 NO-DIM NO-DIM PC/FIS PC/FIS 2170600200022 61. 148. 1.271 0.006 2170600200023 ENDCOMMON 3 0 2170600200024 DATA 4 2 2170600200025 ISOMER DATA ERR-T DECAY-FLAG 2170600200026 NO-DIM PC/FIS PC/FIS NO-DIM 2170600200027 1. 6.8E-05 9.E-06 2. 2170600200028 0. 2.4E-05 6.E-06 1. 2170600200029 ENDDATA 4 0 2170600200030 ENDSUBENT 29 0 2170600299999 SUBENT 21706003 20220208 23092170600300001 BIB 5 8 2170600300002 REACTION (92-U-233(N,F)61-PM-148-M/G,IND,FY/RAT,,MXW) 2170600300003 SAMPLE U-233, 99.91% pure, U-O(2)-(N-O(3))(2) the sample 2170600300004 contained 0.025% U-234 and 0.063% U-238. 2170600300005 DECAY-DATA (61-PM-148-M,,DG,629.9,0.898) Intensity is 89.8 +-1.7%2170600300006 (61-PM-148-G,,DG,1465.1,0.243) Intensity is 24.3 +-2.5%2170600300007 STATUS (TABLE) Tbl. 3 from Radiochim.Acta 27,121,1980) 2170600300008 (DEP,21706002) 2170600300009 HISTORY (20220208A) SD: Value at ERR-T corrected (0.06 -> 0.6).2170600300010 ENDBIB 8 0 2170600300011 NOCOMMON 0 0 2170600300012 DATA 2 1 2170600300013 DATA ERR-T 2170600300014 NO-DIM NO-DIM 2170600300015 2.8 0.6 2170600300016 ENDDATA 3 0 2170600300017 ENDSUBENT 16 0 2170600399999 SUBENT 21706004 20161001 22532170600400001 BIB 9 16 2170600400002 REACTION (94-PU-239(N,F)ELEM/MASS,IND,FY,,MXW) 2170600400003 SAMPLE .Pu-239, 97.44%, 2.51% Pu-240, Pu-O(2). 2170600400004 0.06% Pu-241, 0.001% Pu-242. 2170600400005 DECAY-DATA ((1.)61-PM-148-M,,DG,629.9,0.898) Intensity is 2170600400006 89.8 +- 1.7% 2170600400007 ((2.)61-PM-148-G,,DG,1465.1,0.243) Intensity is 2170600400008 24.3 +- 2.5% 2170600400009 MONITOR (94-PU-239(N,F)61-PM-149,IND,FY,,MXW) 2170600400010 (94-PU-239(N,F)61-PM-151,IND,FY,,MXW) 2170600400011 DECAY-MON (61-PM-149,,DG,285.9,0.031) Intensity is 3.1 +- 0.2% 2170600400012 (61-PM-151,,DG,340.07,0.21) Intensity is 21.0 +- 2.0% 2170600400013 MONIT-REF (,B.F.Rider,R,NEDO-12154-2,1978) 2170600400014 REL-REF (R,,L.D.Mcisaac+,J,PR,150,1033,1966) Pm-149 decay-data 2170600400015 (R,,S.Hormann+,J,NP/A,166,436,1971) Pm-151 decay-data 2170600400016 ASSUMED (ASSUM,94-PU-239(N,F)MASS,CHN,FY,,MXW) 2170600400017 STATUS (TABLE) Tbl. 4 from Radiochim.Acta 27,121,1980) 2170600400018 ENDBIB 16 0 2170600400019 COMMON 4 3 2170600400020 ELEMENT MASS ASSUM ASSUM-ERR 2170600400021 NO-DIM NO-DIM PC/FIS PC/FIS 2170600400022 61. 148. 1.636 0.008 2170600400023 ENDCOMMON 3 0 2170600400024 DATA 4 3 2170600400025 ISOMER DATA ERR-T DECAY-FLAG 2170600400026 NO-DIM PC/FIS PC/FIS NO-DIM 2170600400027 0. 2.7E-04 3.E-05 2. 2170600400028 0. 2.6E-04 3.E-05 2. 2170600400029 1. 7.5E-05 1.5E-05 1. 2170600400030 ENDDATA 5 0 2170600400031 ENDSUBENT 30 0 2170600499999 SUBENT 21706005 20220208 23092170600500001 BIB 5 10 2170600500002 REACTION (94-PU-239(N,F)61-PM-148-M/G,IND,FY/RAT,,MXW) 2170600500003 SAMPLE Pu-239, 97.44%, 2.51% Pu-240, Pu-O(2). 2170600500004 0.06% Pu-241, 0.001% Pu-242. 2170600500005 DECAY-DATA (61-PM-148-M,,DG,629.9,0.898) Intensity is 2170600500006 89.8 +- 1.7% 2170600500007 (61-PM-148-G,,DG,1465.1,0.243) Intensity is 2170600500008 24.3 +- 2.5% 2170600500009 STATUS (TABLE) Tbl. 4 from Radiochim.Acta 27,121,1980) 2170600500010 (DEP,21706004) 2170600500011 HISTORY (20220208A) SD: Value at ERR-T corrected (0.06 -> 0.6).2170600500012 ENDBIB 10 0 2170600500013 NOCOMMON 0 0 2170600500014 DATA 2 1 2170600500015 DATA ERR-T 2170600500016 NO-DIM NO-DIM 2170600500017 3.5 0.6 2170600500018 ENDDATA 3 0 2170600500019 ENDSUBENT 18 0 2170600599999 ENDENTRY 5 0 2170699999999