ENTRY 30704 20171228 31813070400000001 SUBENT 30704001 20171228 31813070400100001 BIB 14 46 3070400100002 TITLE Energy spectrum measurements of neutrons for energies 3070400100003 30 keV - 4 MeV from thermal fission of main fuel 3070400100004 elements 3070400100005 AUTHOR (A.Lajtai, J.Kecskemeti, J.Safar, P.P.Dyachenko, 3070400100006 V.M.Piksaikin) 3070400100007 INSTITUTE (3HUNKFI,4RUSFEI) 3070400100008 REFERENCE (C,85SANTA,1,613,1985) 3070400100009 (S,IAEA-335,312,1985) Graph only 3070400100010 (J,YK,,(2/51),22,1983) in Russian. Graph only. 3070400100011 (R,INDC(CCP)-222,11,1983) Eng.trans. of YK,,(2/51),22 3070400100012 FACILITY (REAC,3HUNKFI) 3070400100013 INC-SPECT Neutron tangential beam from VVRM reactor was filtered 3070400100014 at fast-neutrons and gamma-rays using a special 3070400100015 collimator with quartz and bismuth polycrystal 3070400100016 filters. 3070400100017 METHOD (TOF) flight path =30.5 cm, channel width=0.487 nsec, 3070400100018 time resolution (FWHM of gamma-ray peak)=2.5 nsec3070400100019 DETECTOR (GLASD) Li glass detector (45 mm diam., 9.5 mm thick). 3070400100020 NE912 for fission neutrons, NE913 for gammas. 3070400100021 (FISCH) 1 atm Ar gas 3070400100022 MONITOR (98-CF-252(0,F),PR,NU/DE) 3070400100023 Effective neutron detector efficiency was determined 3070400100024 by measuring the Cf-252 fission neutron spectrum 3070400100025 assuming a Maxwellian distribution with T=1.42 MeV. 3070400100026 CORRECTION For neutron and gamma-ray detectors measurements were 3070400100027 carried out without add with a 12 cm long Cu shadow 3070400100028 cone, in order to determine the background due to 3070400100029 the scattering by the detector environment. 3070400100030 The relative contribution of the random coincidence 3070400100031 background - 130% at 30 keV, 40% at 60 keV, 20% 3070400100032 between 1 MeV and 2 MeV. 3070400100033 ASSUMED (ASSUM1,98-CF-252(0,F),PR,NU) 3070400100034 ERR-ANALYS (DATA-ERR) Uncertainty includes: 3070400100035 - Statistic 3070400100036 - Extrapolation of efficiency curve above 1.2 MeV 3070400100037 STATUS (TABLE) Private communication Lajtai 3070400100038 (APRVD) Approved by Lajtai 2/12/86 3070400100039 HISTORY (19850227R) From A. Lajtai 3070400100040 (19850823C) DG. 3070400100041 (19861208U) DG. New ref. added, author proof received. 3070400100042 (20090725A) SD: Updated to new date formats,lower case.3070400100043 OS. ASSUMED and some free text added 3070400100044 (20100330U) On. BIB updated 3070400100045 (20120427A) On. EN-MEAN=0.253 eV -> EN-DUMMY=0.0253 eV 3070400100046 (20130602U) On. METHOD(TOF): 3 parameters added 3070400100047 (20171228U) On. BIB corrected. 3070400100048 ENDBIB 46 0 3070400100049 COMMON 2 3 3070400100050 EN-DUMMY ASSUM1 3070400100051 EV PRT/FIS 3070400100052 0.0253 3.757 3070400100053 ENDCOMMON 3 0 3070400100054 ENDSUBENT 53 0 3070400199999 SUBENT 30704002 20120502 31553070400200001 BIB 4 5 3070400200002 REACTION (92-U-233(N,F),PR,NU/DE,,MXW/REL) 3070400200003 SAMPLE (92-U-233,ENR=0.9) 1.0 mg/cm2 thickness, 45 mm diam. 3070400200004 ASSUMED (ASSUM2,92-U-233(N,F),PR,NU,,MXW) 3070400200005 HISTORY (20100330U) On. BIB updated 3070400200006 (20120502U) On. SAMPLE: ENR= added 3070400200007 ENDBIB 5 0 3070400200008 COMMON 1 3 3070400200009 ASSUM2 3070400200010 PRT/FIS 3070400200011 2.48 3070400200012 ENDCOMMON 3 0 3070400200013 DATA 3 56 3070400200014 E DATA DATA-ERR 3070400200015 MEV ARB-UNITS ARB-UNITS 3070400200016 3.0000E-02 1.0020E-01 2.7600E-02 3070400200017 6.0000E-02 1.6760E-01 2.2300E-02 3070400200018 9.0000E-02 1.7390E-01 1.5900E-02 3070400200019 1.2000E-01 1.9360E-01 1.2300E-02 3070400200020 1.5000E-01 2.2680E-01 9.7400E-03 3070400200021 1.8000E-01 2.5880E-01 6.9700E-03 3070400200022 2.1000E-01 2.7130E-01 5.1200E-03 3070400200023 2.4000E-01 2.9960E-01 4.7100E-03 3070400200024 2.7000E-01 3.2230E-01 5.9400E-03 3070400200025 3.0000E-01 3.3960E-01 7.4800E-03 3070400200026 3.3000E-01 3.5240E-01 9.6200E-03 3070400200027 3.6000E-01 3.5280E-01 1.1500E-02 3070400200028 3.9000E-01 3.6060E-01 1.3300E-02 3070400200029 4.2000E-01 3.7250E-01 1.5800E-02 3070400200030 4.5000E-01 3.9600E-01 1.7600E-02 3070400200031 4.8000E-01 3.8340E-01 1.8600E-02 3070400200032 5.1000E-01 3.8600E-01 1.9100E-02 3070400200033 5.4000E-01 3.7590E-01 1.9900E-02 3070400200034 5.7000E-01 3.4800E-01 1.9900E-02 3070400200035 6.0000E-01 3.5700E-01 1.9900E-02 3070400200036 6.0800E-01 3.6500E-01 2.3500E-02 3070400200037 6.2900E-01 3.8760E-01 2.4900E-02 3070400200038 6.5200E-01 3.8560E-01 2.1800E-02 3070400200039 6.7600E-01 3.6440E-01 2.1900E-02 3070400200040 7.0100E-01 3.9450E-01 2.2000E-02 3070400200041 7.2800E-01 3.9310E-01 2.0800E-02 3070400200042 7.5600E-01 3.7470E-01 2.0100E-02 3070400200043 7.8600E-01 3.5420E-01 1.9100E-02 3070400200044 8.1800E-01 3.2550E-01 1.7600E-02 3070400200045 8.5100E-01 3.6560E-01 1.8300E-02 3070400200046 8.8700E-01 3.7830E-01 1.8100E-02 3070400200047 9.2500E-01 3.6360E-01 1.7800E-02 3070400200048 9.6600E-01 3.3660E-01 1.6100E-02 3070400200049 1.0090E+00 3.4830E-01 1.5500E-02 3070400200050 1.0560E+00 3.4250E-01 1.4600E-02 3070400200051 1.1050E+00 3.3380E-01 1.3900E-02 3070400200052 1.1580E+00 3.3560E-01 1.3500E-02 3070400200053 1.2160E+00 3.3310E-01 1.2800E-02 3070400200054 1.2770E+00 2.9940E-01 1.1700E-02 3070400200055 1.3430E+00 3.0730E-01 1.1500E-02 3070400200056 1.4150E+00 2.8180E-01 1.0700E-02 3070400200057 1.4920E+00 2.8560E-01 9.9600E-03 3070400200058 1.5760E+00 2.7030E-01 9.8700E-03 3070400200059 1.6670E+00 2.5160E-01 9.1400E-03 3070400200060 1.7670E+00 2.5070E-01 8.9600E-03 3070400200061 1.8750E+00 2.3300E-01 8.7000E-03 3070400200062 1.9940E+00 2.3010E-01 8.4500E-03 3070400200063 2.1250E+00 2.1850E-01 8.4100E-03 3070400200064 2.2680E+00 1.9370E-01 7.8200E-03 3070400200065 2.4270E+00 1.8720E-01 8.0600E-03 3070400200066 2.6030E+00 1.6740E-01 7.7500E-03 3070400200067 2.7990E+00 1.4390E-01 7.3900E-03 3070400200068 3.0180E+00 1.3350E-01 7.1400E-03 3070400200069 3.2640E+00 1.1080E-01 6.6500E-03 3070400200070 3.5410E+00 8.7700E-02 5.9000E-03 3070400200071 3.8550E+00 7.2200E-02 5.2200E-03 3070400200072 ENDDATA 58 0 3070400200073 ENDSUBENT 72 0 3070400299999 SUBENT 30704003 20120502 31553070400300001 BIB 4 5 3070400300002 REACTION (92-U-235(N,F),PR,NU/DE,,MXW/REL) 3070400300003 SAMPLE (92-U-235,ENR=0.96) 1.0 mg/cm2 thickness, 45 mm diam. 3070400300004 ASSUMED (ASSUM2,92-U-235(N,F),PR,NU,,MXW) 3070400300005 HISTORY (20100330U) On. BIB updated 3070400300006 (20120502U) On. SAMPLE: ENR= added 3070400300007 ENDBIB 5 0 3070400300008 COMMON 1 3 3070400300009 ASSUM2 3070400300010 PRT/FIS 3070400300011 2.42 3070400300012 ENDCOMMON 3 0 3070400300013 DATA 3 56 3070400300014 E DATA DATA-ERR 3070400300015 MEV ARB-UNITS ARB-UNITS 3070400300016 3.0000E-02 1.2130E-01 2.1200E-02 3070400300017 6.0000E-02 1.7050E-01 1.8200E-02 3070400300018 9.0000E-02 2.1590E-01 1.3400E-02 3070400300019 1.2000E-01 2.3230E-01 1.0400E-02 3070400300020 1.5000E-01 2.4130E-01 8.2300E-03 3070400300021 1.8000E-01 2.6360E-01 5.8300E-03 3070400300022 2.1000E-01 2.7470E-01 4.2900E-03 3070400300023 2.4000E-01 3.0290E-01 4.2100E-03 3070400300024 2.7000E-01 3.2760E-01 5.1700E-03 3070400300025 3.0000E-01 3.3470E-01 6.2100E-03 3070400300026 3.3000E-01 3.4620E-01 8.0300E-03 3070400300027 3.6000E-01 3.5500E-01 9.9000E-03 3070400300028 3.9000E-01 3.4290E-01 1.1100E-02 3070400300029 4.2000E-01 3.6580E-01 1.3200E-02 3070400300030 4.5000E-01 3.5440E-01 1.4400E-02 3070400300031 4.8000E-01 3.5600E-01 1.5800E-02 3070400300032 5.1000E-01 3.5890E-01 1.5900E-02 3070400300033 5.4000E-01 3.8040E-01 1.6900E-02 3070400300034 5.7000E-01 3.8300E-01 1.7400E-02 3070400300035 6.0000E-01 3.6430E-01 1.6900E-02 3070400300036 6.0800E-01 3.5940E-01 1.9900E-02 3070400300037 6.2900E-01 3.7660E-01 2.0900E-02 3070400300038 6.5200E-01 3.4770E-01 1.8200E-02 3070400300039 6.7600E-01 3.8000E-01 1.9100E-02 3070400300040 7.0100E-01 3.7420E-01 1.8300E-02 3070400300041 7.2800E-01 3.4790E-01 1.6900E-02 3070400300042 7.5600E-01 3.5910E-01 1.6600E-02 3070400300043 7.8600E-01 3.5280E-01 1.6300E-02 3070400300044 8.1800E-01 3.4950E-01 1.5500E-02 3070400300045 8.5100E-01 3.5130E-01 1.5200E-02 3070400300046 8.8700E-01 3.5900E-01 1.4900E-02 3070400300047 9.2500E-01 3.6190E-01 1.5500E-02 3070400300048 9.6600E-01 3.5490E-01 1.3900E-02 3070400300049 1.0090E+00 3.4000E-01 1.2800E-02 3070400300050 1.0560E+00 3.4210E-01 1.2300E-02 3070400300051 1.1050E+00 3.3340E-01 1.2000E-02 3070400300052 1.1580E+00 3.3040E-01 1.1300E-02 3070400300053 1.2160E+00 3.0960E-01 1.0700E-02 3070400300054 1.2770E+00 3.0510E-01 1.0100E-02 3070400300055 1.3430E+00 2.9890E-01 9.9200E-03 3070400300056 1.4150E+00 2.9800E-01 9.3700E-03 3070400300057 1.4920E+00 2.8860E-01 8.5500E-03 3070400300058 1.5760E+00 2.7370E-01 8.5900E-03 3070400300059 1.6670E+00 2.6230E-01 7.9900E-03 3070400300060 1.7670E+00 2.5090E-01 7.6600E-03 3070400300061 1.8750E+00 2.4370E-01 7.6600E-03 3070400300062 1.9940E+00 2.3600E-01 7.4400E-03 3070400300063 2.1250E+00 2.1430E-01 7.3400E-03 3070400300064 2.2680E+00 2.0480E-01 6.3800E-03 3070400300065 2.4270E+00 1.9140E-01 7.1000E-03 3070400300066 2.6030E+00 1.7540E-01 6.8600E-03 3070400300067 2.7990E+00 1.6490E-01 6.7600E-03 3070400300068 3.0180E+00 1.3920E-01 6.3400E-03 3070400300069 3.2640E+00 1.1360E-01 5.8900E-03 3070400300070 3.5410E+00 1.0110E-01 5.4600E-03 3070400300071 3.8550E+00 7.7200E-02 4.5800E-03 3070400300072 ENDDATA 58 0 3070400300073 ENDSUBENT 72 0 3070400399999 SUBENT 30704004 20120502 31553070400400001 BIB 4 6 3070400400002 REACTION (94-PU-239(N,F),PR,NU/DE,,MXW/REL) 3070400400003 Relative to Cf-252 prompt neutron spectrum 3070400400004 SAMPLE (94-PU-239,ENR=0.9) 1.0mg/cm2 thickness, 45 mm diam. 3070400400005 ASSUMED (ASSUM2,94-PU-239(N,F),PR,NU,,MXW) 3070400400006 HISTORY (20100330C) On. SF8-9: REL,MXW -> MXW/REL 3070400400007 (20120502U) On. SAMPLE: ENR= added 3070400400008 ENDBIB 6 0 3070400400009 COMMON 1 3 3070400400010 ASSUM2 3070400400011 PRT/FIS 3070400400012 2.88 3070400400013 ENDCOMMON 3 0 3070400400014 DATA 3 56 3070400400015 E DATA DATA-ERR 3070400400016 MEV ARB-UNITS ARB-UNITS 3070400400017 3.0000E-02 8.2600E-02 2.4300E-02 3070400400018 6.0000E-02 1.1420E-01 2.1300E-02 3070400400019 9.0000E-02 1.4040E-01 1.5700E-02 3070400400020 1.2000E-01 1.7990E-01 1.2200E-02 3070400400021 1.5000E-01 2.2170E-01 9.7900E-03 3070400400022 1.8000E-01 2.3270E-01 7.0500E-03 3070400400023 2.1000E-01 2.5230E-01 5.1000E-03 3070400400024 2.4000E-01 2.7800E-01 4.8700E-03 3070400400025 2.7000E-01 2.9790E-01 5.7800E-03 3070400400026 3.0000E-01 3.2150E-01 7.4700E-03 3070400400027 3.3000E-01 3.3930E-01 9.4700E-03 3070400400028 3.6000E-01 3.4640E-01 1.1600E-02 3070400400029 3.9000E-01 3.3750E-01 1.3100E-02 3070400400030 4.2000E-01 3.4130E-01 1.5500E-02 3070400400031 4.5000E-01 3.5720E-01 1.7200E-02 3070400400032 4.8000E-01 3.4290E-01 1.8300E-02 3070400400033 5.1000E-01 3.4280E-01 1.8600E-02 3070400400034 5.4000E-01 3.5660E-01 2.0100E-02 3070400400035 5.7000E-01 3.3900E-01 2.0000E-02 3070400400036 6.0000E-01 3.1520E-01 1.9400E-02 3070400400037 6.0800E-01 3.2100E-01 2.3300E-02 3070400400038 6.2900E-01 3.4330E-01 2.4400E-02 3070400400039 6.5200E-01 3.4090E-01 2.1100E-02 3070400400040 6.7600E-01 3.4320E-01 2.3000E-02 3070400400041 7.0100E-01 3.4220E-01 2.1400E-02 3070400400042 7.2800E-01 3.3610E-01 2.0400E-02 3070400400043 7.5600E-01 3.3800E-01 1.9900E-02 3070400400044 7.8600E-01 3.1800E-01 1.9000E-02 3070400400045 8.1800E-01 3.1660E-01 1.8300E-02 3070400400046 8.5100E-01 3.4040E-01 1.8500E-02 3070400400047 8.8700E-01 3.5570E-01 1.8100E-02 3070400400048 9.2500E-01 3.5620E-01 1.8100E-02 3070400400049 9.6600E-01 3.6270E-01 1.6800E-02 3070400400050 1.0090E+00 3.4590E-01 1.6000E-02 3070400400051 1.0560E+00 3.4970E-01 1.5200E-02 3070400400052 1.1050E+00 3.4390E-01 1.4700E-02 3070400400053 1.1580E+00 3.2100E-01 1.3900E-02 3070400400054 1.2160E+00 3.1920E-01 1.3300E-02 3070400400055 1.2770E+00 3.1080E-01 1.2600E-02 3070400400056 1.3430E+00 3.1210E-01 1.2100E-02 3070400400057 1.4150E+00 2.9100E-01 1.1200E-02 3070400400058 1.4920E+00 2.7420E-01 1.0600E-02 3070400400059 1.5760E+00 2.7160E-01 1.0500E-02 3070400400060 1.6670E+00 2.6360E-01 9.9700E-03 3070400400061 1.7670E+00 2.5010E-01 9.7000E-03 3070400400062 1.8750E+00 2.4540E-01 9.5500E-03 3070400400063 1.9940E+00 2.3560E-01 9.1600E-03 3070400400064 2.1250E+00 2.2600E-01 9.5100E-03 3070400400065 2.2680E+00 2.0580E-01 8.7600E-03 3070400400066 2.4270E+00 1.9260E-01 8.9200E-03 3070400400067 2.6030E+00 1.6580E-01 8.6000E-03 3070400400068 2.7990E+00 1.5790E-01 8.7500E-03 3070400400069 3.0180E+00 1.4220E-01 8.1900E-03 3070400400070 3.2640E+00 1.2740E-01 7.9400E-03 3070400400071 3.5410E+00 1.0580E-01 7.1800E-03 3070400400072 3.8550E+00 8.4600E-02 6.2700E-03 3070400400073 ENDDATA 58 0 3070400400074 ENDSUBENT 73 0 3070400499999 ENDENTRY 4 0 3070499999999