ENTRY 41340 20150626 41694134000000001 SUBENT 41340001 20150626 41694134000100001 BIB 11 66 4134000100002 TITLE Precision prompt neutron spectrum measurements of 4134000100003 minor actinides for transmutation problem 4134000100004 AUTHOR (G.S.Boykov, B.F.Gerasimenko, V.D.Dmitriev, 4134000100005 L.V.Drapchinsky, O.I.Kostochkin, K.A.Petrzhak, 4134000100006 B.M.Shiryaev, V.A.Trenkin) 4134000100007 INSTITUTE (4RUSRI) 4134000100008 REFERENCE (C,97TRIEST,2,1310,1997) 244Cm PFNS in fig, Tcm in text4134000100009 (R,ISTC-183,1996) L.V.Drapchinsky, Data table given . 4134000100010 (C,96KALMAR,2,652,1996). 4134000100011 2nd Int.Conf.on Accelerator-Driven Transmutation 4134000100012 Technologies and Applications, 3-7 June 1996, Kalmar, 4134000100013 Sweden. 4134000100014 SAMPLE Prepared by aggregate recoil method. 4134000100015 (98-CF-252,ENR=0.7317) 4134000100016 (98-CF-251,ENR=0.0549) 4134000100017 (98-CF-250,ENR=0.1209) 4134000100018 (98-CF-249,ENR=0.0925) 4134000100019 Neutron sources assembly was made of thin stainless 4134000100020 disk of 0.2 mm thick, on one side - Cf-252 of 1.43E+4 4134000100021 fiss/s, un other - Cm were deposed. Assembly was 4134000100022 covered by Al2O3 foils ( 50 microg/cm**2 thick) and 4134000100023 mounted in the center of vacuum chamber of 20 mm 4134000100024 diameter made of 0.4 mm thick stainless steel. 4134000100025 PART-DET (N,FF) 4134000100026 METHOD (COINC) Neutron and fragment detected in coincidence 4134000100027 CORRECTION - random coincidence background; 4134000100028 - background of neutrons scattered by the structural 4134000100029 materials, air walls, ceiling, and floor of premise 4134000100030 - (n,g) reaction background; 4134000100031 - finite time resolution; 4134000100032 - spontaneous fission of other nuclides. 4134000100033 ERR-ANALYS Energy dependent error in prompt fission neutron 4134000100034 spectra (without reaction specification) 4134000100035 EN MONIT-ERR ERR-S ERR-T 4134000100036 MEV PER-CENT PER-CENT PER-CENT 4134000100037 0.1 3.3 10.3 10.9 4134000100038 0.2 2.1 4.6 5.2 4134000100039 0.3 1.6 1.9 2.8 4134000100040 0.5 1.6 1.5 2.5 4134000100041 0.8 1.6 1.3 2.4 4134000100042 1.1 1.2 1.2 2.1 4134000100043 1.5 1.2 1.1 2.1 4134000100044 2.0 1.3 1.1 2.1 4134000100045 2.5 1.4 1.1 2.2 4134000100046 3.0 1.4 1.1 2.2 4134000100047 3.5 1.4 1.1 2.2 4134000100048 4.0 1.4 1.2 2.3 4134000100049 4.5 1.4 1.2 2.3 4134000100050 5.0 1.4 1.3 2.3 4134000100051 6.0 1.7 1.5 2.8 4134000100052 8.0 1.7 1.8 3.6 4134000100053 10.0 2.1 2.6 6.9 4134000100054 12.0 3.1 3.1 4.6 4134000100055 15.0 9.2 4.2 10.2 4134000100056 COMMENT This work was supported financially by Japan and 4134000100057 European Community, and performed under the contract 4134000100058 to the International Science and Technology Centre 4134000100059 (Project agreement #183-95). 4134000100060 HISTORY (19990927C) + + Compiled at the Centre - CJD + + 4134000100061 (20111012R) On. Provided by L.Drapchinsky 4134000100062 (20120328A) On. Re-compiled 4134000100063 (20120601A) M.M. Corrections were done according to 4134000100064 97TRIEST and brief version of ISTC report. 4134000100065 In Subents 004,005 - REL -> NPD according to 4134000100066 type of function, used for fitting of these data. 4134000100067 (20150626A) Subents 004,005 were corrected. 4134000100068 ENDBIB 66 0 4134000100069 NOCOMMON 0 0 4134000100070 ENDSUBENT 69 0 4134000199999 SUBENT 41340002 20120328 41574134000200001 BIB 5 16 4134000200002 REACTION 1(96-CM-244(0,F)0-NN-1,PR,KE) 4134000200003 2(96-CM-244(0,F)0-NN-1,PR,KEM) 4134000200004 ASSUMED (ASSUM,98-CF-252(0,F)0-NN-1,PR,KEM) 4134000200005 ANALYSIS 2 KEM was determined by least square method with 4134000200006 CHI**2=0.93 per one degree of freedom 4134000200007 for fitting by function 4134000200008 R(En,Tcm)=((Tcm/Tcf)**-3/2)*exp(-En/Tcm+En/Tcf) 4134000200009 using Tcf=1.42 MeV . 4134000200010 1 KE was obtained as first moment of energy distribution4134000200011 ERR-ANALYS1(DATA-ERR) For KE - statistical and systematic, 4134000200012 2(ERR-S) for KEM - only statistical 4134000200013 STATUS (TABLE) Text (p46-47) of Report ISTC #183 (1996) 4134000200014 Text, p.656 of C,97KALMAR - for KE - prelim. value 4134000200015 2.032 MeV. 4134000200016 Also text page 1311 of C,97TRIEST,2,1310,1997 4134000200017 (DEP,41340004) prompt fission neutron spectrum given 4134000200018 ENDBIB 16 0 4134000200019 NOCOMMON 0 0 4134000200020 DATA 5 1 4134000200021 DATA 1DATA-ERR 1DATA 2ERR-S 2ASSUM 4134000200022 MEV MEV MEV MEV MEV 4134000200023 2.055 0.027 1.373 0.002 1.42 4134000200024 ENDDATA 3 0 4134000200025 ENDSUBENT 24 0 4134000299999 SUBENT 41340003 20120328 41574134000300001 BIB 5 14 4134000300002 REACTION 1(96-CM-246(0,F)0-NN-1,PR,KE) 4134000300003 2(96-CM-246(0,F)0-NN-1,PR,KEM) 4134000300004 ASSUMED (ASSUM,98-CF-252(0,F)0-NN-1,PR,KEM) 4134000300005 ANALYSIS 2 KEM was determined by least square method with 4134000300006 CHI**2=1.29 per one degree of freedom 4134000300007 for fitting by function 4134000300008 R(En,Tcm)=((Tcm/Tcf)**-3/2)*exp(-En/Tcm+En/Tcf) 4134000300009 using Tcf=1.42 MeV . 4134000300010 1 KE was obtained as first moment of energy distribution4134000300011 ERR-ANALYS1(ERR-T) For KE - statistical and systematic, 4134000300012 2(ERR-S) for KEM - only statistical 4134000300013 STATUS (TABLE) Text (p46-47) of Report ISTC #183 (1996) 4134000300014 Text, p.656 of C,97KALMAR. 4134000300015 (DEP,41340005) prompt fission neutron spectrum given 4134000300016 ENDBIB 14 0 4134000300017 NOCOMMON 0 0 4134000300018 DATA 5 1 4134000300019 DATA 1ERR-T 1DATA 2ERR-S 2ASSUM 4134000300020 MEV MEV MEV MEV MEV 4134000300021 2.058 0.022 1.380 0.002 1.42 4134000300022 ENDDATA 3 0 4134000300023 ENDSUBENT 22 0 4134000399999 SUBENT 41340004 20150626 41694134000400001 BIB 11 38 4134000400002 REACTION 1((96-CM-244(0,F),PR,NU/DE,,NPD)/ 4134000400003 (98-CF-252(0,F),PR,NU/DE,,NPD)) 4134000400004 2(96-CM-244(0,F),PR,NU/DE,,NPD) 4134000400005 COMMENT Data of REACTION 1 are fitted by function: 4134000400006 R(En,Tcm)=((Tcm/Tcf)**-3/2)*exp(-En/Tcm+En/Tcf) 4134000400007 using Tcf=1.42 MeV . 4134000400008 MONITOR 2(98-CF-252(0,F),PR,NU/DE,,NPD) 4134000400009 Cf-252 and Cm samples were measured simultaneously. 4134000400010 MONIT-REF (,W.Mannhart,R,IAEA-TECDOC-410,158,1987) 4134000400011 SAMPLE 51 microg, 205 fis/sec, 153 MBq (alpha) 4134000400012 Prepared by vacuum evaporation after alpha-spectrometry4134000400013 and mass-spectrometric analyses. 4134000400014 (96-CM-244,ENR=0.771) +/- 0.005 4134000400015 (96-CM-245,ENR=0.122) +/- 0.008 4134000400016 (96-CM-246,ENR=0.080) +/- 0.004 4134000400017 (96-CM-247,ENR=0.0040) +/- 0.0002 4134000400018 (96-CM-248,ENR=0.0013) +/- 0.0001 4134000400019 DETECTOR (SCIN) Three neutron detector used: 4134000400020 -NE213 (125 mm diam x 5 mm,Tres=1.29 ns,Ethr=0.2 MeV)4134000400021 -stilbene(50 mm diam x50 mm,Tres=1.03 ns,Ethr=0.1 MeV) 4134000400022 -stilbene(50 mm diam x20 mm,Tres=0.81 ns,Ethr=0.05 MeV)4134000400023 (FISCH) fission fragment detection. 4134000400024 Efficiencies of FF detectors 99.3% and 99.96% for 4134000400025 Cm-244 and Cf-252, respectively. 4134000400026 METHOD (TOF) 35, 76 and 150 cm flight paths; 4134000400027 0 and 90 deg for fragment detector 4134000400028 ADD-RES (COMP) In C,97KALMAR exp. data are compared with 4134000400029 statistical model calculations using Hauser-Feshbach 4134000400030 method. Agreement is good in energy range 0.7 - 7. MeV 4134000400031 Deviation in lower energies is up to 5% . 4134000400032 ERR-ANALYS (ERR-T) Total uncertainty 4134000400033 (ERR-S,0.8,18.) Statistical uncertainty of spectrum 4134000400034 (MONIT-ERR,1.2,9.2)Uncertainty in W.Mannhart evaluation4134000400035 (ERR-1,,1.) Finite spectrometer energy resolution 4134000400036 (ERR-2) Diff. nonlinearity of detection channel 4134000400037 STATUS (TABLE) Table 6 of Report ISTC #183 (1996) 4134000400038 DATA 1 are presented on Fig.2 of C,97TRIEST,2,1310,19974134000400039 HISTORY (20150626A) 1/FIS/MEV -> 1/MEV for DATA 2 and MONIT 4134000400040 ENDBIB 38 0 4134000400041 COMMON 1 3 4134000400042 ERR-2 4134000400043 PER-CENT 4134000400044 0.05 4134000400045 ENDCOMMON 3 0 4134000400046 DATA 6 48 4134000400047 E DATA 1ERR-T 1DATA 2ERR-T 2MONIT 24134000400048 MEV NO-DIM NO-DIM 1/MEV 1/MEV 1/MEV 4134000400049 0.102 1.042 0.042 0.189 7.62 E-3 0.181 4134000400050 0.113 1.051 0.039 0.200 7.41 E-3 0.190 4134000400051 0.124 1.032 0.036 0.204 7.12 E-3 0.197 4134000400052 0.137 1.053 0.034 0.217 7.02 E-3 0.206 4134000400053 0.152 1.038 0.032 0.224 6.90 E-3 0.215 4134000400054 0.168 1.041 0.03 0.234 6.73 E-3 0.224 4134000400055 0.186 1.041 0.028 0.243 6.54 E-3 0.233 4134000400056 0.206 1.035 0.026 0.251 6.31 E-3 0.242 4134000400057 0.227 1.014 0.025 0.255 6.28 E-3 0.251 4134000400058 0.251 1.027 0.023 0.267 5.98 E-3 0.260 4134000400059 0.277 1.014 0.022 0.272 5.91 E-3 0.268 4134000400060 0.308 1.026 0.021 0.283 5.80 E-3 0.276 4134000400061 0.343 1.022 0.019 0.292 5.44 E-3 0.286 4134000400062 0.38 1.028 0.019 0.304 5.61 E-3 0.295 4134000400063 0.42 1.013 0.018 0.308 5.47 E-3 0.304 4134000400064 0.466 1.014 0.017 0.316 5.30 E-3 0.312 4134000400065 0.517 1.012 0.016 0.322 5.10 E-3 0.319 4134000400066 0.575 1.004 0.016 0.326 5.19 E-3 0.325 4134000400067 0.64 1.017 0.015 0.335 4.94 E-3 0.329 4134000400068 0.735 1.023 0.015 0.340 4.99 E-3 0.332 4134000400069 0.811 1.016 0.014 0.338 4.66 E-3 0.333 4134000400070 0.903 1.01 0.014 0.335 4.64 E-3 0.331 4134000400071 1.014 1.011 0.013 0.331 4.25 E-3 0.327 4134000400072 1.136 1.018 0.013 0.325 4.16 E-3 0.320 4134000400073 1.253 1.012 0.013 0.315 4.04 E-3 0.311 4134000400074 1.443 1.006 0.013 0.296 3.83 E-3 0.294 4134000400075 1.61 1.005 0.013 0.279 3.61 E-3 0.278 4134000400076 1.77 1.013 0.013 0.265 3.40 E-3 0.262 4134000400077 1.93 1.005 0.013 0.247 3.19 E-3 0.245 4134000400078 2.12 1.01 0.014 0.225 3.11 E-3 0.222 4134000400079 2.35 1. 0.015 0.199 2.99 E-3 0.199 4134000400080 2.64 1. 0.016 0.172 2.75 E-3 0.172 4134000400081 2.96 0.98 0.016 0.142 2.33 E-3 0.145 4134000400082 3.278 0.979 0.017 0.120 2.08 E-3 0.122 4134000400083 3.626 0.966 0.018 9.62 E-2 1.79 E-3 9.96 E-24134000400084 4.017 0.956 0.02 7.54 E-2 1.58 E-3 7.88 E-24134000400085 4.446 0.937 0.022 5.69 E-2 1.34 E-3 6.07 E-24134000400086 4.917 0.902 0.025 4.08 E-2 1.13 E-3 4.53 E-24134000400087 5.441 0.893 0.028 2.90 E-2 0.910 E-3 3.25 E-24134000400088 6.025 0.867 0.033 1.94 E-2 0.737 E-3 2.24 E-24134000400089 6.674 0.855 0.039 1.25 E-2 0.571 E-3 1.47 E-24134000400090 7.394 0.752 0.05 6.85 E-3 0.456 E-3 9.11 E-34134000400091 8.19 0.726 0.062 3.89 E-3 3.32 E-3 5.36 E-34134000400092 9.069 0.658 0.08 1.95 E-3 0.238 E-3 2.97 E-34134000400093 10.069 0.722 0.096 1.10 E-3 0.146 E-3 1.52 E-34134000400094 11.205 0.72 0.121 5.11 E-4 0.0859 E-3 7.10 E-44134000400095 12.457 0.737 0.156 2.24 E-4 0.0474 E-3 3.04 E-44134000400096 13.831 0.845 0.189 1.01 E-4 0.0225 E-3 1.19 E-44134000400097 ENDDATA 50 0 4134000400098 ENDSUBENT 97 0 4134000499999 SUBENT 41340005 20150626 41694134000500001 BIB 11 37 4134000500002 REACTION 1((96-CM-246(0,F),PR,NU/DE,,NPD)/ 4134000500003 (98-CF-252(0,F),PR,NU/DE,,NPD)) 4134000500004 2(96-CM-246(0,F),PR,NU/DE,,NPD) 4134000500005 COMMENT Data of REACTION 1 are fitted by function: 4134000500006 R(En,Tcm)=((Tcm/Tcf)**-3/2)*exp(-En/Tcm+En/Tcf) 4134000500007 using Tcf=1.42 MeV . 4134000500008 MONITOR 2(98-CF-252(0,F),PR,NU/DE,,NPD) 4134000500009 Cf-252 and Cm samples were measured simultaneously. 4134000500010 MONIT-REF (,W.Mannhart,R,IAEA-TECDOC-410,158,1987) 4134000500011 SAMPLE 317 microg, 940 fis/sec, 5.43 MBq (alpha) 4134000500012 Prepared by vacuum evaporation after alpha-spectrometry4134000500013 and mass-spectrometric analyses. 4134000500014 (96-CM-244,ENR=0.001985) +/- 0.000020 4134000500015 (96-CM-245,ENR=0.000180) +/- 0.000003 4134000500016 (96-CM-246,ENR=0.99534) +/- 0.00003 4134000500017 (96-CM-247,ENR=0.001468) +/- 0.000015 4134000500018 (96-CM-248,ENR=0.001027) +/- 0.000010 4134000500019 DETECTOR (SCIN) Two neutron detector used: 4134000500020 -stilbene(50 mm diam x30 mm,Tres=1.10 ns,Ethr=0.08 MeV)4134000500021 -stilbene(50 mm diam x30 mm,Tres=0.85 ns,Ethr=0.05 MeV)4134000500022 (TELES,MCPLT) fission fragment detection 4134000500023 Efficiencies of FF detectors 99.4% and 99.9% for 4134000500024 Cm-246 and Cf-252, respectively 4134000500025 ( in brief ISTc report 99.94% and 99.99% are given). 4134000500026 METHOD (TOF) 35, 70 and 100 cm flight paths; 4134000500027 45, 135 and 315 deg for fragment detector 4134000500028 ADD-RES (COMP) In C,97KALMAR exp. data are compared with 4134000500029 statistical model calculations using Hauser-Feshbach 4134000500030 method. Agreement is good in energy range 0.7 - 7. MeV 4134000500031 Deviation in lower energies is up to 15% . 4134000500032 ERR-ANALYS (ERR-T) Total uncertainty 4134000500033 (ERR-S,0.8,18.) Statistical uncertainty of spectrum 4134000500034 (MONIT-ERR,1.2,9.2)Uncertainty in W.Mannhart evaluation4134000500035 (ERR-1,,1.) Finite spectrometer energy resolution 4134000500036 (ERR-2) Diff. nonlinearity of detection channel 4134000500037 STATUS (TABLE) Table 7 of Report ISTC #183 (1996) 4134000500038 HISTORY (20150626A) 1/FIS/MEV -> 1/MEV for DATA 2 and MONIT 4134000500039 ENDBIB 37 0 4134000500040 COMMON 1 3 4134000500041 ERR-2 4134000500042 PER-CENT 4134000500043 1.3 4134000500044 ENDCOMMON 3 0 4134000500045 DATA 6 51 4134000500046 E DATA 1ERR-T 1DATA 2ERR-T 2MONIT 24134000500047 MEV NO-DIM NO-DIM 1/MEV 1/MEV 1/MEV 4134000500048 0.12109 0.98 0.08 0.203 0.018 0.205 4134000500049 0.1314 1.058 0.075 0.225 0.016 0.212 4134000500050 0.14212 1.199 0.072 0.263 0.016 0.219 4134000500051 0.15327 0.993 0.057 0.225 0.013 0.226 4134000500052 0.16483 1.064 0.055 0.248 0.013 0.233 4134000500053 0.17682 1.108 0.050 0.265 0.012 0.239 4134000500054 0.18923 1.104 0.046 0.271 0.011 0.245 4134000500055 0.20206 1.036 0.043 0.260 0.011 0.251 4134000500056 0.22209 1.027 0.032 0.2664 0.0082 0.259 4134000500057 0.24307 1.087 0.031 0.2915 0.0083 0.267 4134000500058 0.266 1.073 0.026 0.2951 0.0072 0.275 4134000500059 0.3 1.077 0.019 0.3073 0.0054 0.285 4134000500060 0.338 1.025 0.022 0.3032 0.0065 0.295 4134000500061 0.383 1.055 0.016 0.3228 0.0049 0.306 4134000500062 0.44 1.068 0.017 0.33777 0.0054 0.316 4134000500063 0.497 1.049 0.014 0.33976 0.0045 0.324 4134000500064 0.562 1.074 0.017 0.35445 0.0056 0.330 4134000500065 0.617 1.044 0.015 0.34812 0.0050 0.333 4134000500066 0.676 1.033 0.014 0.34667 0.0047 0.336 4134000500067 0.738 1.032 0.014 0.34718 0.0047 0.336 4134000500068 0.81 1.035 0.013 0.34754 0.0043 0.336 4134000500069 0.887 1.048 0.013 0.34961 0.0043 0.333 4134000500070 0.974 1.031 0.012 0.33979 0.0039 0.330 4134000500071 1.062 1.034 0.012 0.33518 0.0039 0.324 4134000500072 1.165 1.023 0.012 0.32376 0.0038 0.316 4134000500073 1.274 1.022 0.011 0.31394 0.0034 0.307 4134000500074 1.392 1.019 0.011 0.30177 0.0033 0.296 4134000500075 1.53 1.014 0.01 0.28632 0.0028 0.282 4134000500076 1.68 1.015 0.011 0.27084 0.0029 0.266 4134000500077 1.841 0.981 0.011 0.24521 0.0028 0.250 4134000500078 2.017 0.991 0.011 0.22949 0.0026 0.232 4134000500079 2.218 0.988 0.01 0.20825 0.0021 0.211 4134000500080 2.435 1.014 0.011 0.1922 0.0020 0.189 4134000500081 2.686 0.991 0.011 0.16533 0.0018 0.167 4134000500082 2.955 0.982 0.011 0.14217 0.0016 0.145 4134000500083 3.244 0.995 0.011 0.12314 0.0014 0.124 4134000500084 3.58 0.962 0.011 0.09854 0.0011 0.102 4134000500085 3.96 0.959 0.012 0.07834 0.00098 0.0817 4134000500086 4.356 0.948 0.012 0.06087 0.00077 0.0642 4134000500087 4.827 0.94 0.013 0.04508 0.00062 0.0479 4134000500088 5.364 0.955 0.013 0.03264 0.00044 0.0341 4134000500089 5.942 0.944 0.015 0.02228 0.00035 0.0236 4134000500090 6.545 0.919 0.016 0.01466 0.00026 0.0159 4134000500091 7.259 0.955 0.017 0.00953 0.00017 0.00998 4134000500092 8.112 0.898 0.018 0.00508 0.0001 0.00566 4134000500093 8.811 0.886 0.027 0.00314 0.0001 0.00354 4134000500094 9.412 0.825 0.023 0.00195 0.00005 0.00237 4134000500095 10.389 0.884 0.027 0.00109 0.00003 0.00123 4134000500096 11.527 0.834 0.029 0.00048 0.00002 0.00057 4134000500097 12.885 0.851 0.033 0.00019 7.59 E-6 0.00023 4134000500098 14.321 0.8001 0.0399 0.00007 3.591 E-6 0.00009 4134000500099 ENDDATA 53 0 4134000500100 ENDSUBENT 99 0 4134000599999 ENDENTRY 5 0 4134099999999