ENTRY 40308 20140704 41644030800000001 SUBENT 40308001 20140704 41644030800100001 BIB 12 29 4030800100002 TITLE The radiation neutron capture of Am-241 obtained with 4030800100003 the spectra of the BR-5 reactor core 4030800100004 AUTHOR (V.I.Ivanov, V.A.Tolstikov) 4030800100005 INSTITUTE (4RUSFEI) 4030800100006 REFERENCE ((R,YK-22,58,1976)=(R,INDC(CCP)-105,58,1976)) 4030800100007 (R,LA-TR-71-74,1971) Data with first analysis for 002 4030800100008 FACILITY (REAC,4RUSFEI) Fast reactor BR-5 4030800100009 METHOD (ASPEC) Alpha activities of 242Cm and 242mAm measured 4030800100010 DECAY-DATA (95-AM-241,433.YR) 4030800100011 (95-AM-242-G,16.HR) 4030800100012 (96-CM-242,164.4D) Daughter of 242gAm 4030800100013 (95-AM-242-M,152.YR) 4030800100014 RAD-DET (96-CM-242,A) 4030800100015 (95-AM-242-M,A) 4030800100016 REL-REF (R,,V.G.Polyukhov+,J,AE,36,319,1974) 4030800100017 T1/2 of 241Am and 242mAm given 4030800100018 COMMENT Parameters characterizing the sample position: 4030800100019 Z: distance from the median plane along the vertical 4030800100020 axis of reactor 4030800100021 r: distance from the vertical axis of the reactor 4030800100022 ERR-ANALYS (DATA-ERR) No information on source of uncertainties 4030800100023 HISTORY (19800923C) 4030800100024 (20140704S) M.M. Entry was restored. 4030800100025 Upper -> lower case correction. 4030800100026 Dates were corrected for 4-digits year. 4030800100027 BIB information was updated. 4030800100028 Subents 007,008 were added. 4030800100029 (20140910A) Entry was re-compiled by N.Otsuka(NDS,IAEA)4030800100030 Subents 003-004 were merged to 002. 4030800100031 ENDBIB 29 0 4030800100032 NOCOMMON 0 0 4030800100033 ENDSUBENT 32 0 4030800199999 SUBENT 40308002 20140704 41644030800200001 BIB 7 10 4030800200002 REACTION 1(95-AM-241(N,G)95-AM-242-G,,SIG,,SPA) 4030800200003 2(95-AM-241(N,G)95-AM-242-M,,SIG,,SPA) 4030800200004 3(95-AM-241(N,G)95-AM-242,,SIG,,SPA) 4030800200005 INC-SOURCE (REAC) BR-5 PuO2 core (Z=10.6 cm, r=4.6 cm) 4030800200006 MONITOR (94-PU-239(N,F),,SIG,,SPA) 4030800200007 MONIT-REF (,V.V.Orlov+,R,FEI-306,1972) BNAB-70 library 4030800200008 METHOD (ACTIV) Irradiated for 145 effective days 4030800200009 STATUS (TABLE) Table 1 of Report YK-22,58,1976 4030800200010 (COREL,41560002) Result with monitor c.s.=1.80 barn 4030800200011 HISTORY (20140910A) 003-004 merged to 002. 4030800200012 ENDBIB 10 0 4030800200013 COMMON 2 3 4030800200014 EN-MEAN MONIT 4030800200015 MEV B 4030800200016 0.3 1.69 4030800200017 ENDCOMMON 3 0 4030800200018 DATA 6 1 4030800200019 DATA 1DATA-ERR 1DATA 2DATA-ERR 2DATA 3DATA-ERR 34030800200020 MB MB MB MB MB MB 4030800200021 821. 44. 148. 12. 969. 93. 4030800200022 ENDDATA 3 0 4030800200023 ENDSUBENT 22 0 4030800299999 NOSUBENT 40308003 20140704 41644030800300001 NOSUBENT 40308004 20140704 41644030800400001 SUBENT 40308005 20140704 41644030800500001 BIB 5 5 4030800500002 REACTION (95-AM-241(N,G)95-AM-242-M/T,,SIG/RAT,,SPA) 4030800500003 INC-SOURCE (REAC) BR-5 PuO2 core (Z=10.6,18.6,26.6,38.6,50.6 cm) 4030800500004 METHOD (ACTIV) 4030800500005 ANALYSIS Measured data were extrapolated to Z=0. 4030800500006 STATUS (TABLE) Table 2 of Report YK-22,58,1976 4030800500007 ENDBIB 5 0 4030800500008 NOCOMMON 0 0 4030800500009 DATA 3 1 4030800500010 EN-MEAN DATA DATA-ERR 4030800500011 MEV NO-DIM NO-DIM 4030800500012 0.3 0.153 0.013 4030800500013 ENDDATA 3 0 4030800500014 ENDSUBENT 13 0 4030800599999 SUBENT 40308006 20140704 41644030800600001 BIB 6 8 4030800600002 REACTION (95-AM-241(N,G)95-AM-242-G,,SIG,,SPA) 4030800600003 INC-SOURCE (REAC) BR-5 uranium carbide core (Z=1.5,3.0,4.1 cm) 4030800600004 Max. flux at reactor center (5.61+/-0.65)E+14 n/cm2/sec4030800600005 adopted for data normalization. 4030800600006 METHOD (ACTIV) Irradiated for 28 hr 4030800600007 ANALYSIS Measured data were extrapolated to Z=0. 4030800600008 ERR-ANALYS (ERR-1) Neutron flux at irradiation position (11.5%) 4030800600009 STATUS (TABLE) Table 3 of Report YK-22,58,1976 4030800600010 ENDBIB 8 0 4030800600011 NOCOMMON 0 0 4030800600012 DATA 3 1 4030800600013 EN-MEAN DATA DATA-ERR 4030800600014 MEV MB MB 4030800600015 0.3 760. 91. 4030800600016 ENDDATA 3 0 4030800600017 ENDSUBENT 16 0 4030800699999 SUBENT 40308007 20140704 41644030800700001 BIB 7 28 4030800700002 REACTION 1((95-AM-241(N,G)95-AM-242-G,,SIG,,SPA)/ 4030800700003 (92-U-238(N,G)92-U-239,,SIG,,SPA)) 4030800700004 2(95-AM-241(N,G)95-AM-242-G,,SIG,,SPA) 4030800700005 MONITOR 2(92-U-238(N,G)92-U-239,,SIG,,SPA) 4030800700006 Averaged cross section obtained from BNAB-70 4030800700007 INC-SOURCE (REAC) BR-5 PuO2 core 4030800700008 INC-SPECT Neutron spectra calculated by code M-26 at Z=0, 4030800700009 r=4.6 cm digitized from Fig.3 of Report YK-22,58,1976 4030800700010 --------------------------------------------- 4030800700011 En,min (MeV) En,max (MeV) Relative yield(%) 4030800700012 --------------------------------------------- 4030800700013 0.0047 0.010 0.401 4030800700014 0.010 0.021 1.257 4030800700015 0.021 0.048 3.008 4030800700016 0.048 0.10 6.458 4030800700017 0.10 0.20 11.391 4030800700018 0.20 0.40 17.168 4030800700019 0.40 0.80 20.452 4030800700020 0.80 1.42 15.099 4030800700021 1.42 2.51 13.470 4030800700022 2.51 4.00 7.299 4030800700023 4.00 6.40 2.890 4030800700024 6.40 10.4 0.477 4030800700025 --------------------------------------------- 4030800700026 ANALYSIS Measured data were extrapolated to Z=0. 4030800700027 STATUS (TABLE) Table 4 of Report YK-22,58,1976 4030800700028 (COREL,40308008) Result from uranium carbide core 4030800700029 HISTORY (20140704C) 4030800700030 ENDBIB 28 0 4030800700031 NOCOMMON 0 0 4030800700032 DATA 5 1 4030800700033 EN-MEAN DATA 1DATA-ERR 1DATA 2MONIT 4030800700034 MEV NO-DIM NO-DIM MB MB 4030800700035 0.3 4.92 0.25 723. 147. 4030800700036 ENDDATA 3 0 4030800700037 ENDSUBENT 36 0 4030800799999 SUBENT 40308008 20140704 41644030800800001 BIB 7 28 4030800800002 REACTION 1((95-AM-241(N,G)95-AM-242-G,,SIG,,SPA)/ 4030800800003 (92-U-238(N,G)92-U-239,,SIG,,SPA)) 4030800800004 2(95-AM-241(N,G)95-AM-242-G,,SIG,,SPA) 4030800800005 MONITOR 2(92-U-238(N,G)92-U-239,,SIG,,SPA) 4030800800006 Averaged cross section obtained from BNAB-70 4030800800007 INC-SOURCE (REAC) BR-5 uranium carbide core 4030800800008 INC-SPECT Neutron spectra calculated by code M-26 at Z=0, 4030800800009 r=4.6 cm digitized from Fig.3 of Report YK-22,58,1976 4030800800010 --------------------------------------------- 4030800800011 En,min (MeV) En,max (MeV) Relative yield(%) 4030800800012 --------------------------------------------- 4030800800013 0.0047 0.010 0.153 4030800800014 0.010 0.021 0.812 4030800800015 0.021 0.048 2.876 4030800800016 0.048 0.10 6.979 4030800800017 0.10 0.20 12.311 4030800800018 0.20 0.40 17.677 4030800800019 0.40 0.80 20.452 4030800800020 0.80 1.42 15.099 4030800800021 1.42 2.51 12.716 4030800800022 2.51 4.00 6.624 4030800800023 4.00 6.40 2.779 4030800800024 6.40 10.4 0.477 4030800800025 ----------------------------------------------- 4030800800026 ANALYSIS Measured data were extrapolated to Z=0. 4030800800027 STATUS (TABLE) Table 4 of R,YK-22,58,1976 4030800800028 (COREL,40308007) Result from PuO2 core 4030800800029 HISTORY (20140704C) 4030800800030 ENDBIB 28 0 4030800800031 NOCOMMON 0 0 4030800800032 DATA 5 1 4030800800033 EN-MEAN DATA 1DATA-ERR 1DATA 2MONIT 4030800800034 MEV NO-DIM NO-DIM MB MB 4030800800035 0.3 4.85 0.13 689. 142. 4030800800036 ENDDATA 3 0 4030800800037 ENDSUBENT 36 0 4030800899999 SUBENT 40308009 20140704 41644030800900001 BIB 7 11 4030800900002 REACTION (95-AM-241(N,G)95-AM-242-M/T,,SIG/RAT,,SPA) 4030800900003 SAMPLE Isotopically pure Am-241. Am-242 admixture < 10**-5 . 4030800900004 INC-SOURCE (REAC) BR-5 uranium carbide core 4030800900005 (Z=10.4,17.9,20.9,28.0,42.0 cm, r=8.1 cm) 4030800900006 METHOD (ACTIV) Irradiated for 140 days 4030800900007 (CHSEP) Am was separated by nitric acid after 4030800900008 irradiation. 4030800900009 DETECTOR (SOLST) Semiconductor alpha spectrometer with 4030800900010 resolution of 35 keV. Measured for 4 years. 4030800900011 STATUS (TABLE) Table 4 of Report YK-22,58,1976 4030800900012 HISTORY (20140704C) 4030800900013 ENDBIB 11 0 4030800900014 NOCOMMON 0 0 4030800900015 DATA 3 1 4030800900016 EN-MEAN DATA DATA-ERR 4030800900017 MEV NO-DIM NO-DIM 4030800900018 0.3 0.164 0.010 4030800900019 ENDDATA 3 0 4030800900020 ENDSUBENT 19 0 4030800999999 ENDENTRY 9 0 4030899999999