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