ENTRY 22997 20090831 22172299700000001 SUBENT 22997001 20090831 22172299700100001 BIB 14 50 2299700100002 TITLE .Measurement of Zr-nat (n,2n) Reaction Cross Section 2299700100003 from the Angle-Correlated Neutron Spectrum with 2299700100004 Pencil-beam DT Neutron Source 2299700100005 AUTHOR (K.Shiken, S.Takaki, K.Kondo, M.Matsunaka, H.Miyamaru, 2299700100006 I.Murata, K.Ochiai, C.Konno, T.Nishitani, M.Ohta) 2299700100007 INSTITUTE (2JPNOSA) K.Shiken, corresponding author, 2299700100008 e-mail: shiken@ef.eie.eng.osaka-u.ac.jp; S.Takaki, 2299700100009 K.Kondo, M.Matsunaka, H.Miyamaru, I.Murata,M.Ohta. 2299700100010 Department of Electric, Information Systems and 2299700100011 Energy Engineering, Graduate School of Engineering, 2299700100012 Osaka University, Suita, Japan 2299700100013 (2JPNJAE) K.Ochiai, C.Konno, T.Nishitani. Japan Atomic2299700100014 Energy Agency, Tokai-mura, Ibaraki, Japan. 2299700100015 REFERENCE (S,JAEA-C-2008-006,52,2008) Symposium on Nuclear Data,2299700100016 Tokai, Japan, January 2007 . 2299700100017 (J,FED,84,1376,2009) Fussion Engineering and Design, 2299700100018 v.84,p.1376-1379, 2009 year. First author Isao Murata.2299700100019 #doi:10.1016/j.fusengdes.2009.02.053 2299700100020 REL-REF (M,22839001,I.Murata+,J,NIM/A,595,(2),439,2008) 2299700100021 Exp. method details. 2299700100022 FACILITY (FNS,2JPNJAE) Fusion Neutron Source, JAEA. 2299700100023 INC-SOURCE (D-T) Pencil-beam DT neutron source of 10**5 n/cm**2/s 2299700100024 inside the beam. 2299700100025 METHOD (COINC) Neutron-neutron coincidence. 2299700100026 (PSD) Pulse shape discrimination 2299700100027 Neutron/gamma-ray discrimination. 2299700100028 (PHD) Pulse height spectra were measured. 2299700100029 Calibration with standard gamma-rays of Na-22, Mn-54. 2299700100030 DETECTOR (COIN,SCIN,SCIN) Two spherical 4 cm in diameter 2299700100031 NE213 detector for neutron detection. 2299700100032 Located at 18.8 cm from sample. 2299700100033 Polyethylene shielding brick up to 10.16 cm in 2299700100034 thickness to prevent the inter-detector scattering. 2299700100035 Measurable energy range from 800 keV to about 10 MeV. 2299700100036 (FISCH) U-238 fission chamber to monitor neutron flux. 2299700100037 SAMPLE .Metal zirconium sample (2.4cm in diameter, 2cm long). 2299700100038 The distance between the neutron source and sample 2299700100039 was 550cm . 2299700100040 ANALYSIS (UNFLD) Net spectra were unfolded by code FORIST. 2299700100041 Detector response function for unfolding was calculated2299700100042 by code SCINFUL. 2299700100043 CORRECTION For inter-detector scattering, correction factor for 2299700100044 zirconium is several to maximum 15% at ANG1=90, 2299700100045 ANG2=90, ANG-AZ=60 degrees; by Monte Carlo MCNP-4C. 2299700100046 STATUS (APRVD) Aproved. I.Murata 23.10.2009 . 2299700100047 HISTORY (20080220C) SM 2299700100048 (20090831A) M.M. Reference J,FED was added. 2299700100049 BIB information was added. 2299700100050 EN-DUMMY was corrected into EN. 2299700100051 Subents 005 -007 were added. 2299700100052 ENDBIB 50 0 2299700100053 COMMON 1 3 2299700100054 EN 2299700100055 MEV 2299700100056 14. 2299700100057 ENDCOMMON 3 0 2299700100058 ENDSUBENT 57 0 2299700199999 SUBENT 22997002 20090831 22172299700200001 BIB 4 6 2299700200002 REACTION (40-ZR-0(N,2N),PAR,SIG) 2299700200003 ANALYSIS (INTAD) 2299700200004 EN-SEC (E-MIN,N) Neutron minimal secondary energy 2299700200005 STATUS (TABLE) Table 1 of C,2007TOKAI. 2299700200006 Table 1 of J,FED. 2299700200007 (DEP,22997003) 2299700200008 ENDBIB 6 0 2299700200009 NOCOMMON 0 0 2299700200010 DATA 3 1 2299700200011 E-MIN DATA DATA-ERR 2299700200012 KEV MB MB 2299700200013 800. 745. 23. 2299700200014 ENDDATA 3 0 2299700200015 ENDSUBENT 14 0 2299700299999 SUBENT 22997003 20090831 22172299700300001 BIB 5 8 2299700300002 REACTION (40-ZR-0(N,2N),PAR,DA) 2299700300003 ANALYSIS (INTAD) Integration over azimuthal angle. 2299700300004 EN-SEC (E-MIN,N) Secondary neutron minimal measurable energy 2299700300005 STATUS (TABLE) Table 1 of J,FED. 2299700300006 Table 1 of C,2007TOKAI. 2299700300007 (DEP,22997006) 2299700300008 HISTORY (20090831A) M.M. DATA value was corrected 63.-> 64. in 2299700300009 according to given in J,FED (as newer publication). 2299700300010 ENDBIB 8 0 2299700300011 NOCOMMON 0 0 2299700300012 DATA 4 1 2299700300013 ANG E-MIN DATA DATA-ERR 2299700300014 ADEG KEV MB/SR MB/SR 2299700300015 55. 800. 64. 3. 2299700300016 ENDDATA 3 0 2299700300017 ENDSUBENT 16 0 2299700399999 SUBENT 22997004 20090831 22172299700400001 BIB 6 29 2299700400002 REACTION (40-ZR-0(N,2N),,SIG,,,DERIV) Total n,2n cross section. 2299700400003 ANALYSIS Extrapolation of the obtained spectra for energies 2299700400004 below 800 keV down to zero energy was carried out with 2299700400005 an evaporation spectrum to estimate the total n,2n 2299700400006 reaction cross section. Extrapolation fitting was done 2299700400007 with the nuclear temperatures of 0.65 MeV (JENDL-3.3), 2299700400008 1.0 MeV (RIPL-2) and 1.73 MeV (ENDF). 2299700400009 Value of 1.0 MeV was selected in this study as 2299700400010 recommended. 2299700400011 FLAG (1.) Nuclear temperature 0.65 MeV from JENDL-3.3 was 2299700400012 used in analysis. 2299700400013 (2.) Nuclear temperature 1. MeV from RIPL-2 was used 2299700400014 in analysis. 2299700400015 Recommended value (by authors), agrees with 2299700400016 measurement of Frehaut+ (946+-67 mb at 14.3 MeV). 2299700400017 (3.) Nuclear temperature 1.73 MeV from ENDF/B-VI was 2299700400018 used in analysis. 2299700400019 REL-REF (A,20416027,J.Frehaut+,C,75GAUSSIG,,17,197511) 2299700400020 STATUS (TABLE) Table 2 of C,2007TOKAI . 2299700400021 Table 2 of J,FED . 2299700400022 (DEP,22997005) 2299700400023 HISTORY (20090831A) M.M. "PAR" was deleted from REACTION. 2299700400024 E-MAX=800.keV was deleted from EN-SEC and COMMON. 2299700400025 ANALYSIS was added. TEMP was moved in last column as 2299700400026 additional data used in analysis. 2299700400027 DATA value of 1090. -> 1095., error value 16. -> 26. 2299700400028 were corrected in according to value given in J,FED, 2299700400029 Table 2 ( as newer publication). 2299700400030 FLAG was added. 2299700400031 ENDBIB 29 0 2299700400032 NOCOMMON 0 0 2299700400033 DATA 3 3 2299700400034 DATA DATA-ERR FLAG 2299700400035 MB MB NO-DIM 2299700400036 1095. 30. 1. 2299700400037 997. 27. 2. 2299700400038 919. 26. 3. 2299700400039 ENDDATA 5 0 2299700400040 ENDSUBENT 39 0 2299700499999 SUBENT 22997005 20090831 22172299700500001 BIB 6 13 2299700500002 REACTION (40-ZR-0(N,2N),,DA/DA/DE,N/N/N) 2299700500003 Triple differential cross section. 2299700500004 EN-SEC (E,N) Neutron energy 2299700500005 ANG1 - first detector angle. 2299700500006 ANG2 - second detector angle. 2299700500007 ANG-AZ - azimuthal angle. 2299700500008 ERR-ANALYS (DATA-ERR) Error contains statistical and unfolding 2299700500009 process errors evaluated by FORIST. 2299700500010 STATUS (TABLE) Data were received from I.Murata 05.10.2009 . 2299700500011 Fig.4 of J,FED . ANG2=125, 90,55 deg. 2299700500012 COMMENT Of author. In Fig.4, factors x100 (for 90 deg) and 2299700500013 x10000 (for 125 deg) are missing. 2299700500014 HISTORY (20090831C) M.M. 2299700500015 ENDBIB 13 0 2299700500016 COMMON 2 3 2299700500017 ANG1 ANG-AZ 2299700500018 ADEG ADEG 2299700500019 55. 110. 2299700500020 ENDCOMMON 3 0 2299700500021 DATA 4 71 2299700500022 ANG2 E DATA DATA-ERR 2299700500023 ADEG MEV MB/SR2/MEV MB/SR2/MEV 2299700500024 55. 0.2 2.59E+00 4.66E-01 2299700500025 55. 0.4 8.38E+01 9.34E+00 2299700500026 55. 0.6 7.72E+02 5.77E+01 2299700500027 55. 0.8 2.13E+03 7.30E+01 2299700500028 55. 1. 2.40E+03 5.72E+01 2299700500029 55. 1.2 2.12E+03 5.17E+01 2299700500030 55. 1.4 1.28E+03 4.63E+01 2299700500031 55. 1.6 6.12E+02 3.91E+01 2299700500032 55. 1.8 7.92E+02 3.50E+01 2299700500033 55. 2. 1.06E+03 3.47E+01 2299700500034 55. 2.2 7.83E+02 2.88E+01 2299700500035 55. 2.4 3.02E+02 2.26E+01 2299700500036 55. 3.2 6.78E+01 1.96E+01 2299700500037 55. 3.4 7.52E+01 2.43E+01 2299700500038 55. 3.6 6.63E+01 3.01E+01 2299700500039 55. 3.8 6.27E+01 3.14E+01 2299700500040 55. 4. 6.88E+01 2.92E+01 2299700500041 55. 4.2 7.53E+01 2.69E+01 2299700500042 55. 4.4 7.31E+01 2.94E+01 2299700500043 55. 4.6 6.19E+01 3.76E+01 2299700500044 55. 4.8 4.81E+01 4.13E+01 2299700500045 55. 5. 3.67E+01 1.88E+01 2299700500046 55. 5.2 2.92E+01 1.53E+01 2299700500047 55. 5.4 2.53E+01 1.48E+01 2299700500048 55. 5.6 2.43E+01 1.89E+01 2299700500049 55. 5.8 2.52E+01 2.27E+01 2299700500050 90. 0.2 4.20E+00 0.498 2299700500051 90. 0.4 1.21E+02 8.06 2299700500052 90. 0.6 8.85E+02 5.030E+01 2299700500053 90. 0.8 1.60E+03 6.754E+01 2299700500054 90. 1. 1.38E+03 5.147E+01 2299700500055 90. 1.2 1.87E+03 5.279E+01 2299700500056 90. 1.4 1.47E+03 4.993E+01 2299700500057 90. 1.6 8.90E+02 4.130E+01 2299700500058 90. 1.8 6.73E+02 3.619E+01 2299700500059 90. 2. 6.51E+02 3.622E+01 2299700500060 90. 2.2 6.24E+02 3.238E+01 2299700500061 90. 2.4 5.03E+02 3.003E+01 2299700500062 90. 2.6 3.25E+02 2.656E+01 2299700500063 90. 2.8 2.26E+02 2.592E+01 2299700500064 90. 3. 2.08E+02 2.117E+01 2299700500065 90. 3.2 2.03E+02 2.219E+01 2299700500066 90. 3.4 1.65E+02 2.913E+01 2299700500067 90. 3.6 1.15E+02 2.355E+01 2299700500068 90. 3.8 1.12E+02 1.674E+01 2299700500069 90. 4. 1.47E+02 3.376E+01 2299700500070 90. 4.2 1.45E+02 4.533E+01 2299700500071 90. 4.4 7.93E+01 3.899E+01 2299700500072 125. 0.2 2.58E+00 0.555 2299700500073 125. 0.4 8.78E+01 1.24E+01 2299700500074 125. 0.6 9.00E+02 7.70E+01 2299700500075 125. 0.8 3.03E+03 9.59E+01 2299700500076 125. 1. 3.82E+03 7.46E+01 2299700500077 125. 1.2 2.80E+03 6.70E+01 2299700500078 125. 1.4 2.13E+03 6.43E+01 2299700500079 125. 1.6 1.49E+03 5.50E+01 2299700500080 125. 1.8 1.29E+03 5.12E+01 2299700500081 125. 2. 1.37E+03 4.72E+01 2299700500082 125. 2.2 1.23E+03 4.20E+01 2299700500083 125. 2.4 8.28E+02 3.81E+01 2299700500084 125. 2.6 4.68E+02 3.34E+01 2299700500085 125. 2.8 3.18E+02 3.21E+01 2299700500086 125. 3. 3.15E+02 3.07E+01 2299700500087 125. 3.2 3.15E+02 2.78E+01 2299700500088 125. 3.4 2.50E+02 3.17E+01 2299700500089 125. 3.6 1.70E+02 3.19E+01 2299700500090 125. 3.8 1.46E+02 3.00E+01 2299700500091 125. 4. 1.86E+02 4.39E+01 2299700500092 125. 4.2 2.34E+02 7.33E+01 2299700500093 125. 4.4 2.21E+02 9.17E+01 2299700500094 125. 4.6 1.22E+02 8.68E+01 2299700500095 ENDDATA 73 0 2299700500096 ENDSUBENT 95 0 2299700599999 SUBENT 22997006 20090831 22172299700600001 BIB 6 21 2299700600002 REACTION (40-ZR-0(N,2N),,DA/DA) 2299700600003 Double differential cross section. 2299700600004 ANG1 - first detector angle. 2299700600005 ANG2 - second detector angle. 2299700600006 ANG-AZ - azimuthal angle. 2299700600007 COS - COS(ANG2) . 2299700600008 ANALYSIS (INTED) Integration over energy. 2299700600009 ERR-ANALYS (DATA-ERR) Error contains statistical and unfolding 2299700600010 process errors evaluated by FORIST. 2299700600011 COMMENT Of compiler. Authors' data received from I.Murata were 2299700600012 converted: COS= 0.7660 -> ANG= 40 deg 2299700600013 COS= 0.5736 -> ANG= 55 deg 2299700600014 COS= 6.126E-17 -> ANG= 90 deg 2299700600015 COS=-0.5736 -> ANG=125 deg 2299700600016 COS=-0.6947 -> ANG=134 deg 2299700600017 STATUS (TABLE) Data were received from I.Murata 05.10.2009 . 2299700600018 Fig.5 of J,FED . 2299700600019 (DEP,22997005) 2299700600020 Request for the data was sent to Isao Murata 2299700600021 01.09.2009. 2299700600022 HISTORY (20090831C) M.M. 2299700600023 ENDBIB 21 0 2299700600024 COMMON 2 3 2299700600025 ANG1 ANG-AZ 2299700600026 ADEG ADEG 2299700600027 55. 110. 2299700600028 ENDCOMMON 3 0 2299700600029 DATA 3 5 2299700600030 ANG2 DATA DATA-ERR 2299700600031 ADEG MB/SR2 MB/SR2 2299700600032 40. 5.32 0.79 2299700600033 55. 5.72 0.62 2299700600034 90. 4.90 0.59 2299700600035 125. 5.11 0.52 2299700600036 134. 4.61 0.65 2299700600037 ENDDATA 7 0 2299700600038 ENDSUBENT 37 0 2299700699999 SUBENT 22997007 20091005 22172299700700001 BIB 7 13 2299700700002 REACTION (40-ZR-0(N,2N),PAR,DA) 2299700700003 ANALYSIS (INTAD) Integration over azimuthal angle. 2299700700004 EN-SEC (E-MIN,N) Secondary neutron minimal measurable energy 2299700700005 COS - cos(ANG). 2299700700006 ERR-ANALYS (ERR-S) Statistical error. 2299700700007 COMMENT Of compiler. Authors' data received from I.Murata were 2299700700008 converted: COS= 0.5736 -> ANG= 55 deg 2299700700009 COS= 6.126E-17 -> ANG= 90 deg 2299700700010 COS=-0.6947 -> ANG=134 deg 2299700700011 STATUS (TABLE) Data were received from I.Murata 05.10.2009 . 2299700700012 Fig.6 of J,FED . 2299700700013 (DEP,22997006) 2299700700014 HISTORY (20090831C) M.M. 2299700700015 ENDBIB 13 0 2299700700016 COMMON 1 3 2299700700017 E-MIN 2299700700018 KEV 2299700700019 800. 2299700700020 ENDCOMMON 3 0 2299700700021 DATA 3 3 2299700700022 ANG DATA ERR-S 2299700700023 ADEG MB/SR MB/SR 2299700700024 55. 64.3 3.6 2299700700025 90. 59.8 3.2 2299700700026 134. 52.7 2.8 2299700700027 ENDDATA 5 0 2299700700028 ENDSUBENT 27 0 2299700799999 ENDENTRY 7 0 2299799999999