ENTRY 41511 20200720 41884151100000001 SUBENT 41511001 20200720 41884151100100001 BIB 11 47 4151100100002 TITLE The investigation of the Energy Dependence of the Alpha4151100100003 value and the averaged gamma-rays multiplicity 4151100100004 coincidence for 235-U in the resolved resonance region.4151100100005 AUTHOR (Yu.V.Grigoriev, B.V.Zhuravlev, O.N.Pavlova,A.I.Berlev,4151100100006 A.M.Perekrestenko, Zh.V.Mezentseva) 4151100100007 INSTITUTE (4RUSFEI) Yu.V.Grigoriev, B.V.Zhuravlev, O.N.Pavlova 4151100100008 (4RUSITR) A.I.Berlev, A.M.Perekrestenko 4151100100009 (4ZZZDUB) Zh.V.Mezentseva 4151100100010 REFERENCE ((S,ISINN-14,319,2007)= 4151100100011 (S,JINR-E3-2007-23,319,2007)) 4151100100012 Main reference. 4151100100013 FACILITY (REAC,4ZZZDUB) IBR-30 reactor., 10kW, 100Hz, 4microsec.4151100100014 Electronic apparatus of CAMAC standard. 4151100100015 INC-SOURCE (REAC) Neutron beam of IBR-30 reactor. 4151100100016 Al (70 mm),NaF (10 mm), B4C (4 mm) resonance filters 4151100100017 were permanently installed in neutron beam tp remove 4151100100018 background from recycled neutrons and to determine 4151100100019 background components in measured TOF spectra. 4151100100020 SAMPLE Thin metallic disk of U-235 of 48mm diameter, 0.25mm 4151100100021 thickness or 0.00137 at/b, U-235 content -90%, U-238 4151100100022 - 10%. 4151100100023 DETECTOR (SCIN) 16-sections liquid (n,gamma)-detector PARUS. 4151100100024 Consists of two equal tanks of total volume 80 l. 4151100100025 Scintillation liquid - solution from 100 g of 4151100100026 scintillation additions, 11 l of trimethyl borate 4151100100027 enriched to 94% in B-10 and 69 l of toluene. Total 4151100100028 length 80 cm, diameter 40 cm. Throughgoing hole of 4151100100029 110 mm diameter. Every section is viewed by 4151100100030 photomultiplier FEU-110. Registration efficiency 30 %, 4151100100031 geometric efficiency 98 %. Energy resolution was 4151100100032 estimated to be about 30 % for 662 keV Cs gamma-quanta.4151100100033 (BF3) - Neutron detector as battery of three B-10 4151100100034 counters SNM-13.Efficiency about 0.5% at 4.3 eV. 4151100100035 -Two neutron counters SNM-12 were placed in neutron 4151100100036 beam at 114m distance from active zone of IBR-30 to 4151100100037 control the power level of IBR-30. 4151100100038 METHOD (TOF) 120 m flight path of IBR-30 reactor. 4151100100039 COINC) TOF spectra from 1-st to 12-th gamma-ray 4151100100040 multiplicities coincidence were measured. 4151100100041 (TRN) Transmission was determined. 4151100100042 ANALYSIS (SHAPE)Analysis of shape of multiplicity spectra . 4151100100043 HISTORY (20080422C) Compiled at CJD. M.M. 4151100100044 (20120815A) REACTION in SUBENT 006 was corrected: 4151100100045 G -> ABS . 4151100100046 (20190325U) Subent 005 was corrected. 4151100100047 (20200221U) STATUS information was added. 4151100100048 (20200720U) ref. S,JINR-E3-2007-23,319,2007 was added 4151100100049 ENDBIB 47 0 4151100100050 NOCOMMON 0 0 4151100100051 ENDSUBENT 50 0 4151100199999 SUBENT 41511002 20200221 41864151100200001 BIB 4 7 4151100200002 REACTION (92-U-235(N,ABS),,ALF,,AV) Alpha averaged over energy 4151100200003 interval given in DATA section, broad energy groups of4151100200004 BNAB system. 4151100200005 EXP-YEAR (2005) 4151100200006 ERR-ANALYS (DATA-ERR) Errors are not specified. 4151100200007 STATUS (TABLE)From Table 1 of Seminar Proc.ISINN-14,p.319,20064151100200008 (COREL,41191003) in 41191 - TOF base 500m. 4151100200009 ENDBIB 7 0 4151100200010 NOCOMMON 0 0 4151100200011 DATA 4 7 4151100200012 EN-MIN EN-MAX DATA DATA-ERR 4151100200013 EV EV NO-DIM NO-DIM 4151100200014 4.65 10.0 1.20 0.08 4151100200015 10.0 21.5 1.13 0.08 4151100200016 21.5 46.5 0.76 0.07 4151100200017 46.5 100. 0.56 0.06 4151100200018 100. 215. 0.72 0.07 4151100200019 215. 465. 0.50 0.05 4151100200020 465. 1000. 0.55 0.05 4151100200021 ENDDATA 9 0 4151100200022 ENDSUBENT 21 0 4151100299999 SUBENT 41511003 20200221 41864151100300001 BIB 3 5 4151100300002 REACTION (92-U-235(N,ABS),,ALF,,AV) Alpha averaged over energy 4151100300003 interval given in DATA section, narrow energy groups. 4151100300004 ERR-ANALYS (DATA-ERR) Errors are not specified. 4151100300005 STATUS (TABLE)From Table 2 of Seminar Proc.ISINN-14,p.319,20064151100300006 (COREL,41191004) in 41191 - TOF base 500m. 4151100300007 ENDBIB 5 0 4151100300008 NOCOMMON 0 0 4151100300009 DATA 4 19 4151100300010 EN-MIN EN-MAX DATA DATA-ERR 4151100300011 EV EV NO-DIM NO-DIM 4151100300012 10. 20. 0.96 0.07 4151100300013 20. 30. 0.98 0.06 4151100300014 30. 40. 0.95 0.04 4151100300015 40. 50. 0.74 0.05 4151100300016 50. 60. 0.61 0.08 4151100300017 60. 70. 0.90 0.10 4151100300018 70. 80. 0.56 0.04 4151100300019 80. 90. 0.66 0.05 4151100300020 90. 100. 1.05 0.06 4151100300021 100. 200. 0.86 0.07 4151100300022 200. 300. 0.61 0.05 4151100300023 300. 400. 0.49 0.06 4151100300024 400. 500. 0.47 0.06 4151100300025 500. 600. 0.31 0.05 4151100300026 600. 700. 0.36 0.05 4151100300027 700. 800. 0.54 0.07 4151100300028 800. 900. 0.55 0.07 4151100300029 900. 1000. 0.53 0.07 4151100300030 1000. 2000. 0.65 0.08 4151100300031 ENDDATA 21 0 4151100300032 ENDSUBENT 31 0 4151100399999 SUBENT 41511004 20200221 41864151100400001 BIB 3 6 4151100400002 REACTION (92-U-235(N,G)92-U-236,,MLT,,AV) Multiplicity averaged 4151100400003 over energy interval given in DATA section, narrow 4151100400004 energy groups. 4151100400005 ERR-ANALYS (DATA-ERR) Errors are not specified. 4151100400006 STATUS (TABLE)From Table 2 of Seminar Proc.ISINN-14,p.319,20064151100400007 (COREL,41191002) TOF base 500 m 4151100400008 ENDBIB 6 0 4151100400009 NOCOMMON 0 0 4151100400010 DATA 4 19 4151100400011 EN-MIN EN-MAX DATA DATA-ERR 4151100400012 EV EV PRT/REAC PRT/REAC 4151100400013 10. 20. 4.20 0.05 4151100400014 20. 30. 4.38 0.05 4151100400015 30. 40. 3.99 0.04 4151100400016 40. 50. 4.18 0.04 4151100400017 50. 60. 4.49 0.05 4151100400018 60. 70. 4.38 0.05 4151100400019 70. 80. 4.26 0.05 4151100400020 80. 90. 4.09 0.04 4151100400021 90. 100. 3.98 0.04 4151100400022 100. 200. 4.38 0.05 4151100400023 200. 300. 4.59 0.05 4151100400024 300. 400. 4.85 0.06 4151100400025 400. 500. 4.75 0.06 4151100400026 500. 600. 4.80 0.06 4151100400027 600. 700. 4.79 0.06 4151100400028 700. 800. 4.71 0.06 4151100400029 800. 900. 4.56 0.05 4151100400030 900. 1000. 4.39 0.05 4151100400031 1000. 2000. 4.54 0.05 4151100400032 ENDDATA 21 0 4151100400033 ENDSUBENT 32 0 4151100499999 SUBENT 41511005 20200221 41864151100500001 BIB 3 5 4151100500002 REACTION (92-U-235(N,G)92-U-236,,MLT,,RES) Gamma multiplicity 4151100500003 averaged over resonance energy boundaries. 4151100500004 STATUS (TABLE)From Table 3 of Seminar Proc.ISINN-14,p.319,20064151100500005 (COREL,41191002) in 41191 TOF base 500m 4151100500006 HISTORY (20190325U) 92-U-236 was added in SF4. 4151100500007 ENDBIB 5 0 4151100500008 NOCOMMON 0 0 4151100500009 DATA 3 34 4151100500010 EN-RES SPIN J DATA 4151100500011 EV NO-DIM PRT/REAC 4151100500012 1.124 3. 3.51 4151100500013 2.028 3. 3.58 4151100500014 3.147 4. 4.61 4151100500015 3.610 4. 4.15 4151100500016 4.840 4. 3.51 4151100500017 5.44 4. 3.98 4151100500018 6.38 4. 3.71 4151100500019 6.95 3. 3.60 4151100500020 7.08 4. 4.15 4151100500021 8.77 4. 4.72 4151100500022 8.97 3. 4.18 4151100500023 9.28 4. 4.69 4151100500024 9.73 3. 4.52 4151100500025 10.17 4. 4.39 4151100500026 11.67 4. 3.51 4151100500027 12.39 3. 4.16 4151100500028 12.43 4. 4.02 4151100500029 12.86 4. 4.16 4151100500030 13.25 4. 4.19 4151100500031 13.70 4. 4.41 4151100500032 14.00 3. 4.85 4151100500033 14.54 3. 4.06 4151100500034 15.40 4. 4.33 4151100500035 15.51 4. 3.69 4151100500036 16.08 4. 3.98 4151100500037 16.70 4. 4.50 4151100500038 18.05 3. 4.50 4151100500039 18.96 4. 4.31 4151100500040 19.30 4. 4.44 4151100500041 19.32 3. 4.52 4151100500042 20.10 4. 4.27 4151100500043 20.61 4. 4.13 4151100500044 21.07 4. 4.11 4151100500045 22.94 4. 4.36 4151100500046 ENDDATA 36 0 4151100500047 ENDSUBENT 46 0 4151100599999 SUBENT 41511006 20200221 41864151100600001 BIB 3 7 4151100600002 REACTION (92-U-235(N,ABS),,ALF,,RES/AV) Alpha values for 4151100600003 resolved resonances average over resonance energy 4151100600004 boundaries 4151100600005 ERR-ANALYS (DATA-ERR1,3.,7.) Exp. error typically 3-7 %. 4151100600006 Exp. error in some resonances up to 10-20 %. 4151100600007 STATUS (TABLE)From Table 3 of Seminar Proc.ISINN-14,p.319,20064151100600008 (COREL,41191002) in 41191 TOF base 500m 4151100600009 ENDBIB 7 0 4151100600010 NOCOMMON 0 0 4151100600011 DATA 3 34 4151100600012 EN-RES SPIN J DATA 4151100600013 EV NO-DIM NO-DIM 4151100600014 1.124 3. 2.13 4151100600015 2.028 3. 3.05 4151100600016 3.147 4. 0.59 4151100600017 3.610 4. 1.23 4151100600018 4.840 4. 4.64 4151100600019 5.44 4. 2.01 4151100600020 6.38 4. 3.46 4151100600021 6.95 3. 2.19 4151100600022 7.08 4. 1.22 4151100600023 8.77 4. 0.56 4151100600024 8.97 3. 0.66 4151100600025 9.28 4. 0.60 4151100600026 9.73 3. 0.44 4151100600027 10.17 4. 0.66 4151100600028 11.67 4. 6.35 4151100600029 12.39 3. 1.30 4151100600030 12.43 4. 1.63 4151100600031 12.86 4. 1.07 4151100600032 13.25 4. 1.01 4151100600033 13.70 4. 0.88 4151100600034 14.00 3. 0.36 4151100600035 14.54 3. 1.67 4151100600036 15.40 4. 0.95 4151100600037 15.51 4. 2.10 4151100600038 16.08 4. 1.88 4151100600039 16.70 4. 0.58 4151100600040 18.05 3. 0.72 4151100600041 18.96 4. 0.80 4151100600042 19.30 4. 0.81 4151100600043 19.32 3. 0.75 4151100600044 20.10 4. 0.59 4151100600045 20.61 4. 1.31 4151100600046 21.07 4. 1.52 4151100600047 22.94 4. 1.17 4151100600048 ENDDATA 36 0 4151100600049 ENDSUBENT 48 0 4151100699999 ENDENTRY 6 0 4151199999999