ENTRY 41505 20200703 41884150500000001 SUBENT 41505001 20200703 41884150500100001 BIB 15 66 4150500100002 TITLE Measurement of Nb, Mo, Ta and W cross-sections on the 4150500100003 IBR-30 and MMF neutron beams. 4150500100004 AUTHOR (Yu.V.Grigoriev, B.V.Zhuravlev, O.N.Pavlova,A.I.Berlev,4150500100005 A.M.Perekrestenko, Zh.V.Mezentseva) 4150500100006 INSTITUTE (4RUSFEI) Yu.V.Grigoriev, B.V.Zhuravlev, O.N.Pavlova 4150500100007 (4RUSITR) A.I.Berlev, A.M.Perekrestenko 4150500100008 (4ZZZDUB) Zh.V.Mezentseva 4150500100009 REFERENCE ((S,ISINN-14,313,2007)=(S,JINR-E3-2007-23,313,2007)) 4150500100010 (T,GRIGORIEV,2005) Dissertation of Yu.Grigoriev. 4150500100011 FACILITY (REAC,4ZZZDUB) IBR-30 reactor., 10kW, 100Hz, 4microsec.4150500100012 Electronic apparatus of CAMAC standard. 4150500100013 INC-SOURCE (REAC) 3rd neutron beam of IBR-30 reactor. 4150500100014 Vacuum neutron guide. Al (70 mm) NaF (10 mm), 4150500100015 B4C (4 mm) resonance filters were permanently fixed on4150500100016 neutron beam to remove background from recycled 4150500100017 neutrons and to determine background components in 4150500100018 measured TOF spectra. 4150500100019 INC-SPECT Neutron flux was decreased 100 times at 0.8 eV energy 4150500100020 of recycled neutrons, 12.8 times -at 4.2 eV, 7.6 times4150500100021 - at 10.3 eV at the presence of resonance filters. 4150500100022 Flux density 100 n/eV/cm**2/sec . 4150500100023 DETECTOR (SCIN) 16-sections liquid (n,gamma)-detector PARUS. 4150500100024 Total volume 80 l. Lead shielding. Scintillation liquid4150500100025 - solution from 100 g of scintillation additions, 11 l 4150500100026 of trimethyl borate enriched to 94% in B-10 and 69 l of4150500100027 toluene. Total length 80 cm, diameter 40 cm. 4150500100028 Throughgoing hole of 110mm diameter. Every section is 4150500100029 viewed by photomultiplier FEU-110. Registration 4150500100030 efficiency 30 %, geometric efficiency 98 %. Energy 4150500100031 resolution was estimated about 30 % for 662 keV Cs 4150500100032 gamma-quanta. 4150500100033 (BF3) Neutron detector as battery of three B-10 4150500100034 counters SNM-12.Efficiency about 0.5% at 4.3 eV. 4150500100035 Surrounding by polyethylene moderator. 4150500100036 METHOD (TOF) Distance from neutron source to filter-sample - 4150500100037 115 m, to sample-radiator - 122 m, to neutron detector4150500100038 - 124 m. 4150500100039 (COINC) Coincidence multiplicities from pulses of 16 4150500100040 spectrometric channels. 4150500100041 SAMPLE Thin metallic disks . 4150500100042 ANALYSIS Analysis of measured spectra: subtraction of background4150500100043 components, compression of spectra in energy groups of 4150500100044 BNAB constants system,determination of transmission and4150500100045 cross-sections with some corrections like for an effect4150500100046 of self-shielding. 4150500100047 Radiative capture cross-sections were extracted from 4150500100048 TOF spectra by normalization on standard cross-sections4150500100049 of U-238. 4150500100050 CORRECTION For background. 4150500100051 For resonance self-shielding. 4150500100052 For zero thickness of sample. 4150500100053 COMMENT .Of author and compiler. There is a misprint in data 4150500100054 Table 1 of reference : U-235 capture c-s was used as 4150500100055 monitor and given in Table, not total. 4150500100056 .Of author.41510 and 41505 -two independent experiments4150500100057 on different facility by the same method. 4150500100058 ERR-ANALYS (DATA-ERR) Errors are not specified. 4150500100059 HISTORY (20080422C) Compiled at CJD. M.M. 4150500100060 (20090727U) M.M. Misprints in REL-REF was corrected. 4150500100061 (20110420A) Reference T,GRIGORIEV,2005 was added. 4150500100062 BIB information was updated. 4150500100063 (20120510A) Subents 003, 005 were corrected. 4150500100064 (20200131U) MONIT-REF was moved in proper Subents. 4150500100065 Subent 007 was corrected. 4150500100066 (20200703A) Subent 006 was corrected. 4150500100067 COREL was added in .002,.003. 4150500100068 ENDBIB 66 0 4150500100069 NOCOMMON 0 0 4150500100070 ENDSUBENT 69 0 4150500199999 SUBENT 41505002 20200703 41884150500200001 BIB 5 9 4150500200002 REACTION (41-NB-93(N,TOT),,SIG,,AV) 4150500200003 METHOD (TRN) 4150500200004 MONITOR Absolute measurement 4150500200005 STATUS (TABLE) Table 2 of Seminar Proc.ISINN-14,313,2007 . 4150500200006 (DEP,41426010) Table 19 of T,GRIGORIEV,2005 - previous 4150500200007 publication, more large energy range - 10 groups. 4150500200008 (COREL,41510002) Measurement done at INR Meson Factory 4150500200009 COMMENT Of compiler. Data of ISINN-14 looks like the same, 4150500200010 as little averaged data of T,GRIGORIEV . 4150500200011 ENDBIB 9 0 4150500200012 NOCOMMON 0 0 4150500200013 DATA 4 6 4150500200014 EN-MIN EN-MAX DATA DATA-ERR 4150500200015 KEV KEV B B 4150500200016 0.100 0.215 9.2 0.3 4150500200017 0.215 0.465 8.6 0.3 4150500200018 0.465 1.0 8.9 0.5 4150500200019 1.0 2.15 12. 0.3 4150500200020 2.15 4.65 11. 0.3 4150500200021 4.65 10.0 9.6 0.3 4150500200022 ENDDATA 8 0 4150500200023 ENDSUBENT 22 0 4150500299999 SUBENT 41505003 20200703 41884150500300001 BIB 6 12 4150500300002 REACTION (41-NB-93(N,G)41-NB-94,,SIG,,AV) 4150500300003 MONITOR ((MONIT)92-U-238(N,G)92-U-239,,SIG,,AV) Averaged over 4150500300004 energy group ENDF/B-6 cross-section used for 4150500300005 normalization. 4150500300006 MONIT-REF (,P.F.Rose+,R,ENDF-102,1988) ENDF/B-6 4150500300007 STATUS (TABLE) Table 2 of Seminar Proc.ISINN-14,313,2007 . 4150500300008 Table 19 of T,GRIGORIEV,2005 - previous publication. 4150500300009 (DEP,41426003) Derived by self-indication function. 4150500300010 (COREL,41510003) Measurement done at INR Meson Factory 4150500300011 COMMENT Of compiler. Data of ISINN-14 looks like the same, 4150500300012 as little averaged data of T,GRIGORIEV . 4150500300013 HISTORY (20120510A) M.M. MONIT values were corrected. 4150500300014 ENDBIB 12 0 4150500300015 NOCOMMON 0 0 4150500300016 DATA 5 6 4150500300017 EN-MIN EN-MAX DATA DATA-ERR MONIT 4150500300018 KEV KEV B B B 4150500300019 0.0465 0.100 0.2 0.02 16.6 4150500300020 0.100 0.215 3.0 0.1 20.3 4150500300021 0.215 0.465 1.7 0.1 4.55 4150500300022 0.465 1.0 1.2 0.1 3.32 4150500300023 1.0 2.15 2.0 0.3 1.70 4150500300024 2.15 4.65 0.8 0.1 1.24 4150500300025 ENDDATA 8 0 4150500300026 ENDSUBENT 25 0 4150500399999 SUBENT 41505004 20200703 41884150500400001 BIB 5 13 4150500400002 REACTION (42-MO-0(N,TOT),,SIG,,AV) 4150500400003 METHOD (TRN) 4150500400004 MONITOR Absolute measurement 4150500400005 STATUS (TABLE) Table 2 of Seminar Proc.ISINN-14,313,2007 . 4150500400006 (DEP,41426011) Table 25 of T,GRIGORIEV,2005 - previous 4150500400007 publication, larger energy range, 9 groups. 4150500400008 (DEP,41426006) Derived by self-indication function. 4150500400009 (COREL,41519002) Data from Moscow Meson Factory, 4150500400010 measured by the same method at other facility 4150500400011 8 energy groups. 4150500400012 (COREL,41510004) Measurement done at INR Meson Factory 4150500400013 6 energy groups. 4150500400014 HISTORY (20110420A) MM. Misprint in DATA-ERR was corrected. 4150500400015 ENDBIB 13 0 4150500400016 NOCOMMON 0 0 4150500400017 DATA 4 6 4150500400018 EN-MIN EN-MAX DATA DATA-ERR 4150500400019 KEV KEV B B 4150500400020 0.100 0.215 16.2 1.2 4150500400021 0.215 0.465 10.9 1.3 4150500400022 0.465 1.0 11.2 0.5 4150500400023 1.0 2.15 10.3 0.4 4150500400024 2.15 4.65 10.5 0.7 4150500400025 4.65 10.0 9.3 0.2 4150500400026 ENDDATA 8 0 4150500400027 ENDSUBENT 26 0 4150500499999 SUBENT 41505005 20200703 41884150500500001 BIB 6 17 4150500500002 REACTION (42-MO-0(N,G),,SIG,,AV) 4150500500003 MONITOR ((MONIT)92-U-238(N,G)92-U-239,,SIG,,AV) Averaged over 4150500500004 energy group ENDF/B-6 cross-section used for 4150500500005 normalization. 4150500500006 MONIT-REF (,P.F.Rose+,R,ENDF-102,1988) ENDF/B-6 4150500500007 STATUS (TABLE) Table 2 of Seminar Proc.ISINN-14,313,2007 . 4150500500008 Table 25 of T,GRIGORIEV,2005 - previous 4150500500009 publication, larger energy range, 7 groups. 4150500500010 (DEP,41426006) Derived by self-indication function. 4150500500011 (COREL,41519003) Data from Moscow Meson Factory, 4150500500012 measured by the same method at other facility, 4150500500013 energy range 0.0214 - 2.15 keV, 6 energy groups 4150500500014 (COREL,41510005) Measurement done at INR Meson Factory,4150500500015 energy range 0.100 - 4.65 keV, 5 energy groups 4150500500016 COMMENT Of compiler. Data of ISINN-14 looks like the same, 4150500500017 as little averaged data of T,GRIGORIEV . 4150500500018 HISTORY (20120510A) M.M. MONIT values were corrected. 4150500500019 ENDBIB 17 0 4150500500020 NOCOMMON 0 0 4150500500021 DATA 5 6 4150500500022 EN-MIN EN-MAX DATA DATA-ERR MONIT 4150500500023 KEV KEV B B B 4150500500024 0.0465 0.100 3.2 1.0 16.6 4150500500025 0.100 0.215 4.2 0.40 20.3 4150500500026 0.215 0.465 1.4 0.20 4.55 4150500500027 0.465 1.0 1.2 0.20 3.32 4150500500028 1.0 2.15 0.9 0.10 1.70 4150500500029 2.15 4.65 0.6 0.05 1.24 4150500500030 ENDDATA 8 0 4150500500031 ENDSUBENT 30 0 4150500599999 SUBENT 41505006 20200703 41884150500600001 BIB 5 10 4150500600002 REACTION (73-TA-0(N,TOT),,SIG,,AV) 4150500600003 METHOD (TRN) 4150500600004 MONITOR Absolute measurement. 4150500600005 STATUS (TABLE) Table 2 of Seminar Proc.ISINN-14,313,2007 . 4150500600006 (COREL,41519005) Data from Moscow Meson Factory, 4150500600007 measured by the same method at other facility, 4150500600008 energy range 0.0215 - 1.0 keV, 5 energy groups. 4150500600009 (COREL,41510006) Measurement done at INR Meson Factory,4150500600010 energy range 0.100 - 10.0 keV, 6 energy groups 4150500600011 HISTORY (20200703A) One data point was corrected 69.5 -> 69.6 b4150500600012 ENDBIB 10 0 4150500600013 NOCOMMON 0 0 4150500600014 DATA 4 7 4150500600015 EN-MIN EN-MAX DATA DATA-ERR 4150500600016 KEV KEV B B 4150500600017 0.0465 0.100 63.3 5.0 4150500600018 0.100 0.215 69.6 5.0 4150500600019 0.215 0.465 48.4 4.0 4150500600020 0.465 1.0 40.2 4.0 4150500600021 1.0 2.15 34.4 3.0 4150500600022 2.15 4.65 26.8 1.0 4150500600023 4.65 10.0 17.4 1.5 4150500600024 ENDDATA 9 0 4150500600025 ENDSUBENT 24 0 4150500699999 SUBENT 41505007 20200131 41864150500700001 BIB 5 8 4150500700002 REACTION (74-W-0(N,TOT),,SIG,,AV) 4150500700003 METHOD (TRN) 4150500700004 MONITOR Absolute measurement. 4150500700005 STATUS (TABLE) Table 2 of Seminar Proc.ISINN-14,313,2007 . 4150500700006 (SPSDD,40989003) Data are the same, but in 4150500700007 40989003- larger energy range (T,GRIGORIEV) and 4150500700008 TOF base 1000 m . 4150500700009 HISTORY (20200131U) Information was added in STATUS. 4150500700010 ENDBIB 8 0 4150500700011 NOCOMMON 0 0 4150500700012 DATA 4 4 4150500700013 EN-MIN EN-MAX DATA DATA-ERR 4150500700014 KEV KEV B B 4150500700015 0.465 1.0 40.6 1.5 4150500700016 1.0 2.15 33.5 1.4 4150500700017 2.15 4.65 24.1 1.0 4150500700018 4.65 10.0 19.3 0.8 4150500700019 ENDDATA 6 0 4150500700020 ENDSUBENT 19 0 4150500799999 ENDENTRY 7 0 4150599999999