ENTRY 41366 20200831 41894136600000001 SUBENT 41366001 20200831 41894136600100001 BIB 13 52 4136600100002 TITLE Measurements of Delayed Neutron Yields from Thermal 4136600100003 Neutron Induced Fission of U-233, U-235, Pu-239 and 4136600100004 Np-237 4136600100005 AUTHOR (S.B.Borzakov, A.N.Andreev, E.Dermendjiev, A.Filip, 4136600100006 W.I.Furman, V.Yu.Konovalov, Ts.Panteleev, I.Ruskov, 4136600100007 Yu.S.Zamyatnin, Sh.Zeinalov) 4136600100008 INSTITUTE (4ZZZDUB) Borzakov,Furman,Konovalov,Ruskov,Zamyatnin 4136600100009 Zeinalov 4136600100010 (2FR CAD) Filip 4136600100011 (3BULBLA) Dermendjiev, Panteleev 4136600100012 REFERENCE (J,YF,63,589,2000) Issue 4 4136600100013 (J,PAN,63,530,2000) Engl.transl.of YF,63,(4),589. 4136600100014 (R,JINR-E3-98-145,1998) In English. 4136600100015 Re-measured data. 4136600100016 (C,97TRIEST,,497,1997) Results for thermal energy. 4136600100017 (S,ISINN-5,343,1997) In English. Subents 004,005 data. 4136600100018 ((S,ISINN-4,334,1996)=(S,JINR-E3-96-336,334,1996)) 4136600100019 First publication. 4136600100020 Proceedings of 4th International Seminar on 4136600100021 Interaction of Neutrons with Nuclei, 4136600100022 ISINN-4, Dubna 1996 4136600100023 REL-REF (I,41192001,S.B.Borzakov+,J,AE,79,231,1995) Exp.details4136600100024 (I,,S.B.Borzakov+,R,JINR-P3-94-447,1994) Detailed 4136600100025 description of 'ISOMER' facility 4136600100026 FACILITY (REAC,4ZZZDUB) Fast pulse reactor IBR-2 4136600100027 (CHOPS,4ZZZDUB) Bent mirror neutron guide and neutron 4136600100028 chopper synchronized with reactor neutron bursts 4136600100029 DETECTOR (D4PI) 12 He-3 counters in polyethylene moderator. 4136600100030 MONITOR ((MONIT1)(92-U-235(N,F),DL,NU)/(92-U-235(N,F),PR,NU)) 4136600100031 MONIT-REF ((MONIT1),J.Blachot+,R,NEACRP-L-323,1990) 4136600100032 METHOD (TOF) The measurements were performed on 'ISOMER' 4136600100033 installation including bent mirror neutron guide, 4136600100034 slow neutron chopper and 4pi neutron detector 4136600100035 ADD-RES (DECAY) 4136600100036 CORRECTION Corrections were made for neutron background and 4136600100037 the pile-up of prompt fission neutrons . 4136600100038 Background was measured by Cd filter in beam. 4136600100039 HISTORY (20000425C) + + Compiled at the Center - CJD + + 4136600100040 (20000929U) Last checking has been done. 4136600100041 (20101129U) References S,ISINN-4,334,1996 , 4136600100042 C,97TRIEST,,497,199705 were added. 4136600100043 Upper -> lower case correction. 4136600100044 Units of MONIT1 and MONIT1-ERR were corrected 4136600100045 PER-CENT -> NO-DIM . PART/FIS -> PRT/FIS. 4136600100046 Subents 010,011 were added. 4136600100047 (20190325U) ERR-S was deleted in COMMON block ( Subents4136600100048 002-004, 006-008). Minor correction in STATUS. 4136600100049 Correction ERR-T -> DATA-ERR ( comment of NDS,IAEA) . 4136600100050 (20200831A) Refs. ISINN-5,343,1997; R,JINR-E3-98-145 4136600100051 were added. 4136600100052 Status information was updated in Subents 004-011. 4136600100053 Minor correction of free text. 4136600100054 ENDBIB 52 0 4136600100055 COMMON 3 3 4136600100056 EN-NRM MONIT1 MONIT1-ERR 4136600100057 EV NO-DIM NO-DIM 4136600100058 0.023 0.0068 0.0002 4136600100059 ENDCOMMON 3 0 4136600100060 ENDSUBENT 59 0 4136600199999 SUBENT 41366002 20200831 41894136600200001 BIB 4 12 4136600200002 REACTION ((92-U-233(N,F),DL,NU)/ 4136600200003 (92-U-233(N,F),,NU)) 4136600200004 SAMPLE Oxide sample on nickel backing. Weight 0.067 gram, 4136600200005 U-233 content is 98% 4136600200006 ERR-ANALYS (ERR-S,,0.5) Statistical error. 4136600200007 (DATA-ERR)Total error consists of statistical error and4136600200008 error of standard 4136600200009 STATUS (TABLE) From Table 2 of Seminar Proc.ISINN-4,334,1996 4136600200010 (COREL,41366006) 4136600200011 Measurements (C,97TRIEST,S,ISINN-4) were repeated in 4136600200012 (J,YF,63,(4),589) with improved detector electronics, 4136600200013 software, automatic system. 4136600200014 ENDBIB 12 0 4136600200015 NOCOMMON 0 0 4136600200016 DATA 3 3 4136600200017 EN DATA DATA-ERR 4136600200018 EV NO-DIM NO-DIM 4136600200019 0.003 2.74-3 8.-5 4136600200020 0.023 2.60-3 8.-5 4136600200021 0.035 2.55-3 8.-5 4136600200022 ENDDATA 5 0 4136600200023 ENDSUBENT 22 0 4136600299999 SUBENT 41366003 20200831 41894136600300001 BIB 4 13 4136600300002 REACTION ((92-U-235(N,F),DL,NU)/ 4136600300003 (92-U-235(N,F),,NU)) 4136600300004 SAMPLE Oxide sample on aluminum backing. Weight 0.050 gram, 4136600300005 U-235 content is 90%, 4136600300006 and metallic sample, weight 7.0 g, U-235 content 90% 4136600300007 ERR-ANALYS (ERR-S,,0.5) Statistical error. 4136600300008 (DATA-ERR)Total error consists of statistical error and4136600300009 error of standard 4136600300010 STATUS (TABLE) From Table 2 of Seminar Proc.ISINN-4,334,1996 4136600300011 (COREL,41366007) 4136600300012 Measurements (C,97TRIEST,S,ISINN-4) were repeated in 4136600300013 (J,YF,63,(4),589) with improved detector electronics, 4136600300014 software, automatic system. 4136600300015 ENDBIB 13 0 4136600300016 NOCOMMON 0 0 4136600300017 DATA 3 3 4136600300018 EN DATA DATA-ERR 4136600300019 EV NO-DIM NO-DIM 4136600300020 0.003 6.83-3 2.1-4 4136600300021 0.023 6.80-3 2.0-4 4136600300022 0.035 6.87-3 2.1-4 4136600300023 ENDDATA 5 0 4136600300024 ENDSUBENT 23 0 4136600399999 SUBENT 41366004 20200831 41894136600400001 BIB 4 15 4136600400002 REACTION ((94-PU-239(N,F),DL,NU)/ 4136600400003 (94-PU-239(N,F),,NU)) 4136600400004 SAMPLE Oxide sample on nickel backing. Weight 0.170 gram, 4136600400005 Pu-239 content is 99.9%, and metallic sample, 4136600400006 weight 22.8 g, Pu-239 content 99.9% 4136600400007 ERR-ANALYS (ERR-S,,1.3) Statistical error. 4136600400008 (DATA-ERR)Total error consists of statistical error and4136600400009 error of standard 4136600400010 STATUS (TABLE) From Table 2 of Seminar Proc.ISINN-4,334,1996 4136600400011 (COREL,41366008) 4136600400012 Measurements (C,97TRIEST,S,ISINN-4) were repeated in 4136600400013 (J,YF,63,(4),589) with improved detector electronics, 4136600400014 software, automatic system. 4136600400015 ISINN-5,343,1997 on page 343 - 0.238+-0.012 % for 4136600400016 thermal neutrons. 4136600400017 ENDBIB 15 0 4136600400018 NOCOMMON 0 0 4136600400019 DATA 3 3 4136600400020 EN DATA DATA-ERR 4136600400021 EV NO-DIM NO-DIM 4136600400022 0.003 2.27-3 1.9-4 4136600400023 0.023 2.38-3 1.9-4 4136600400024 0.035 2.30-3 1.9-4 4136600400025 ENDDATA 5 0 4136600400026 ENDSUBENT 25 0 4136600499999 SUBENT 41366005 20200831 41894136600500001 BIB 6 17 4136600500002 REACTION 1((93-NP-237(N,F),DL,NU,,MXW)/ 4136600500003 (93-NP-237(N,F),,NU,,MXW)) 4136600500004 Relative delayed neutrons yield 4136600500005 2(93-NP-237(N,F),DL,NU) 4136600500006 MONITOR ((MONIT2)93-NP-237(N,F),PR,NU,,MXW) 4136600500007 MONIT-REF ((MONIT2),H.Thierens+,J,NP/A,342,229,1980) 4136600500008 SAMPLE Oxide sample on nickel backing. Weight 40.4 gram, 4136600500009 Np-237 content is 99.999% 4136600500010 ERR-ANALYS (DATA-ERR)Total error consists of statistical error and4136600500011 error of standard 4136600500012 STATUS (TABLE) From the Text, p.338 and Table 3 of 4136600500013 Seminar Proc.ISINN-4,334,1996 4136600500014 (COREL,41366009) 4136600500015 Measurements (C,97TRIEST,S,ISINN-4) were repeated in 4136600500016 (J,YF,63,(4),589) with improved detector electronics, 4136600500017 software, automatic system. 4136600500018 The same data in ISINN-5,343,1997 on page 345. 4136600500019 ENDBIB 17 0 4136600500020 COMMON 2 3 4136600500021 MONIT2 MONIT2-ERR 4136600500022 PRT/FIS PRT/FIS 4136600500023 2.47 0.14 4136600500024 ENDCOMMON 3 0 4136600500025 DATA 5 1 4136600500026 EN-MEAN DATA 1DATA-ERR 1DATA 2DATA-ERR 2 4136600500027 EV NO-DIM NO-DIM PRT/FIS PRT/FIS 4136600500028 0.025 0.0041 0.0006 0.0103 0.0015 4136600500029 ENDDATA 3 0 4136600500030 ENDSUBENT 29 0 4136600599999 SUBENT 41366006 20200831 41894136600600001 BIB 4 15 4136600600002 REACTION ((92-U-233(N,F),DL,NU)/ 4136600600003 (92-U-233(N,F),,NU)) 4136600600004 SAMPLE Oxide sample on nickel backing. Weight 0.067 gram, 4136600600005 U-233 content is 98.1% 4136600600006 ERR-ANALYS (ERR-S,,0.5) Statistical error. 4136600600007 (DATA-ERR) Includes experimental error and error (~3.%)4136600600008 of monitor. 4136600600009 Experimental error (~1.5%) includes statistical error 4136600600010 and error due to losses of prompt neutron counts. 4136600600011 STATUS (TABLE) From Table 2 of J.Yad.Fiz.,63,(4),589,2000 4136600600012 Table 2 of rep.JINR-E3-98-145,1998 4136600600013 (COREL,41366002) 4136600600014 Measurements (C,97TRIEST,S,ISINN-4) were repeated in 4136600600015 (J,YF,63,(4),589) with improved detector electronics, 4136600600016 software, automatic system. 4136600600017 ENDBIB 15 0 4136600600018 NOCOMMON 0 0 4136600600019 DATA 3 2 4136600600020 EN DATA DATA-ERR 4136600600021 EV NO-DIM NO-DIM 4136600600022 0.003 2.74-3 9.-5 4136600600023 0.023 2.67-3 9.-5 4136600600024 ENDDATA 4 0 4136600600025 ENDSUBENT 24 0 4136600699999 SUBENT 41366007 20200831 41894136600700001 BIB 4 16 4136600700002 REACTION ((92-U-235(N,F),DL,NU)/ 4136600700003 (92-U-235(N,F),,NU)) 4136600700004 SAMPLE Oxide sample on aluminum backing. Weight 0.025 gram, 4136600700005 U-235 content is 90%, 4136600700006 And metallic sample, weight 7.0 g, U-235 content 90% 4136600700007 ERR-ANALYS (ERR-S,,0.5) Statistical error. 4136600700008 (DATA-ERR) Includes experimental error and error (~3.%)4136600700009 of monitor. 4136600700010 Experimental error (~1.5%) includes statistical error 4136600700011 and error due to losses of prompt neutron counts. 4136600700012 STATUS (TABLE) From Table 2 of J.Yad.Fiz.,63,(4),589,2000 4136600700013 Table 2 of rep.JINR-E3-98-145,1998 4136600700014 (COREL,41366003) 4136600700015 Measurements (C,97TRIEST,S,ISINN-4) were repeated in 4136600700016 (J,YF,63,(4),589) with improved detector electronics, 4136600700017 software, automatic system. 4136600700018 ENDBIB 16 0 4136600700019 NOCOMMON 0 0 4136600700020 DATA 3 2 4136600700021 EN DATA DATA-ERR 4136600700022 EV NO-DIM NO-DIM 4136600700023 0.003 6.83-3 2.1-4 4136600700024 0.023 6.80-3 2.1-4 4136600700025 ENDDATA 4 0 4136600700026 ENDSUBENT 25 0 4136600799999 SUBENT 41366008 20200831 41894136600800001 BIB 4 16 4136600800002 REACTION ((94-PU-239(N,F),DL,NU)/ 4136600800003 (94-PU-239(N,F),,NU)) 4136600800004 SAMPLE Two metallic samples. 1-st - weight 0.057 gram, 4136600800005 Pu-239 content is 95.2%, 2-nd - weight 20.0 gram, 4136600800006 Pu-239 content 99.9% 4136600800007 ERR-ANALYS (ERR-S,,1.0) Statistical error. 4136600800008 (DATA-ERR) Includes experimental error and error (~3.%)4136600800009 of monitor. 4136600800010 Experimental error (~1.5%) includes statistical error 4136600800011 and error due to losses of prompt neutron counts. 4136600800012 STATUS (TABLE) From Table 2 of J.Yad.Fiz.,63,(4),589,2000 4136600800013 Table 2 of rep.JINR-E3-98-145,1998 4136600800014 (COREL,41366004) 4136600800015 Measurements (C,97TRIEST,S,ISINN-4) were repeated in 4136600800016 (J,YF,63,(4),589) with improved detector electronics, 4136600800017 software, automatic system. 4136600800018 ENDBIB 16 0 4136600800019 NOCOMMON 0 0 4136600800020 DATA 3 2 4136600800021 EN DATA DATA-ERR 4136600800022 EV NO-DIM NO-DIM 4136600800023 0.003 2.27-3 1.1-4 4136600800024 0.023 2.34-3 8.-5 4136600800025 ENDDATA 4 0 4136600800026 ENDSUBENT 25 0 4136600899999 SUBENT 41366009 20200831 41894136600900001 BIB 6 17 4136600900002 REACTION 1((93-NP-237(N,F),DL,NU,,MXW)/ 4136600900003 (93-NP-237(N,F),,NU,,MXW)) 4136600900004 2(93-NP-237(N,F),DL,NU,,MXW) 4136600900005 MONITOR ((MONIT2)93-NP-237(N,F),PR,NU) 4136600900006 MONIT-REF ((MONIT2),H.Thierens+,J,NP/A,342,229,1980) 4136600900007 SAMPLE Oxide sample on nickel backing. Weight 40.4 gram, 4136600900008 Np-237 content is 99.999% 4136600900009 ERR-ANALYS (DATA-ERR)Total error consists of statistical error and4136600900010 error of standard 4136600900011 STATUS 1.From the Text,p.595 of J.Yad.Fiz.,63,(4),589,2000 4136600900012 In rep.JINR-E3-98-145,1998 page 12 - (0.486+-0.028) % 4136600900013 2(TABLE) From Table 4 of J.Yad.Fiz.,63,(4),589,2000 4136600900014 In rep.JINR-E3-98-145,1998 Table 4 - (0.0120+-0.0010)%4136600900015 (COREL,41366005) 4136600900016 Measurements (C,97TRIEST,S,ISINN-4) were repeated in 4136600900017 (J,YF,63,(4),589) with improved detector electronics, 4136600900018 software, automatic system. 4136600900019 ENDBIB 17 0 4136600900020 COMMON 2 3 4136600900021 MONIT2 MONIT2-ERR 4136600900022 PRT/FIS PRT/FIS 4136600900023 2.47 0.14 4136600900024 ENDCOMMON 3 0 4136600900025 DATA 5 1 4136600900026 EN-MEAN DATA 1DATA-ERR 1DATA 2DATA-ERR 2 4136600900027 EV NO-DIM NO-DIM PRT/FIS PRT/FIS 4136600900028 0.025 0.00506 0.0003 .0125 0.0011 4136600900029 ENDDATA 3 0 4136600900030 ENDSUBENT 29 0 4136600999999 SUBENT 41366010 20200831 41894136601000001 BIB 6 15 4136601000002 REACTION 1((92-U-233(N,F),DL,NU,,AV)/ 4136601000003 (92-U-233(N,F),,NU,,AV)) 4136601000004 2(92-U-233(N,F),DL,NU,,AV) 4136601000005 Average in energy interval EN-MIN - EN-MAX. 4136601000006 MONITOR ((MONIT2)92-U-233(N,F),,NU,,AV) 4136601000007 ANALYSIS Average from two points (Subent 006) value of ratio 4136601000008 and MONIT2 were used to define NU-delayed. 4136601000009 ERR-ANALYS (ERR-S,,0.5) Statistical error. 4136601000010 (DATA-ERR)Total error consists of statistical error and4136601000011 error of standard 4136601000012 STATUS (TABLE) From Table 3 of J.Yad.Fiz.,63,(4),589,2000 4136601000013 Table 3 of rep.JINR-E3-98-145,1998 4136601000014 (DEP,41366006) See ANALYSIS. 4136601000015 HISTORY (20190325A) AV was added in SF8 in REACTION and MONITOR4136601000016 according to a comment of N.Otsuka (NDS,IAEA) 4136601000017 ENDBIB 15 0 4136601000018 COMMON 2 3 4136601000019 MONIT2 MONIT2-ERR 4136601000020 PRT/FIS PRT/FIS 4136601000021 2.4946 0.0040 4136601000022 ENDCOMMON 3 0 4136601000023 DATA 6 1 4136601000024 EN-MIN EN-MAX DATA 1DATA-ERR 1DATA 2DATA-ERR 24136601000025 EV EV NO-DIM NO-DIM PRT/FIS PRT/FIS 4136601000026 0.003 0.023 2.70-3 9.-5 0.006735 0.00022 4136601000027 ENDDATA 3 0 4136601000028 ENDSUBENT 27 0 4136601099999 SUBENT 41366011 20200831 41894136601100001 BIB 6 15 4136601100002 REACTION 1((94-PU-239(N,F),DL,NU,,AV)/ 4136601100003 (94-PU-239(N,F),,NU,,AV)) 4136601100004 2(94-PU-239(N,F),DL,NU,,AV) 4136601100005 Average in energy interval EN-MIN - EN-MAX. 4136601100006 MONITOR ((MONIT2)94-PU-239(N,F),,NU,,AV) 4136601100007 ANALYSIS Average from two points (Subent 006) value of ratio 4136601100008 and MONIT2 were used to define NU-delayed. 4136601100009 ERR-ANALYS (ERR-S,,1.0) Statistical error. 4136601100010 (DATA-ERR)Total error consists of statistical error and4136601100011 error of standard 4136601100012 STATUS (TABLE) From Table 2 of J.Yad.Fiz.,63,(4),589,2000 4136601100013 Table 3 of rep.JINR-E3-98-145,1998 4136601100014 (DEP,41366008) See ANALYSIS. 4136601100015 HISTORY (20190325A) AV was added in SF8 in REACTION and MONITOR4136601100016 according to a comment of N.Otsuka (NDS,IAEA) 4136601100017 ENDBIB 15 0 4136601100018 COMMON 2 3 4136601100019 MONIT2 MONIT2-ERR 4136601100020 PRT/FIS PRT/FIS 4136601100021 2.8799 0.0090 4136601100022 ENDCOMMON 3 0 4136601100023 DATA 6 1 4136601100024 EN-MIN EN-MAX DATA 1DATA-ERR 1DATA 2DATA-ERR 24136601100025 EV EV NO-DIM NO-DIM PRT/FIS PRT/FIS 4136601100026 0.003 0.023 2.32-3 8.-5 0.00668 0.00023 4136601100027 ENDDATA 3 0 4136601100028 ENDSUBENT 27 0 4136601199999 ENDENTRY 11 0 4136699999999