ENTRY 40457 20210220 41954045700000001 SUBENT 40457001 20210220 41954045700100001 BIB 12 32 4045700100002 INSTITUTE (4RUSFEI) 4045700100003 REFERENCE (J,AE,43,266,1977) Issue 4. 4045700100004 (J,SJA,43,899,1977) Engl. translation of J,AE,43 . 4045700100005 #doi:10.1007/BF01117994 4045700100006 (P,YFI-25,30,1977) 4045700100007 (R,FEI-577,1975) Experimental details 4045700100008 AUTHOR (V.Ya.Baryba,B.V.Zhuravlev,N.V.Kornilov, 4045700100009 O.A.Sal'nikov) 4045700100010 TITLE Energy and angular distributions of neutrons produced 4045700100011 in the bombardment of U-238 with 2.47 MeV neutrons 4045700100012 FACILITY (VDG) Accelerator EGP-10M, beam energy 10. MeV 4045700100013 pulse duration 2. nsec 4045700100014 pulse-repetition rate 5.0 MegaHertz 4045700100015 INC-SOURCE (P-T) Solid tritium target of 1.5 mg. 4045700100016 SAMPLE Hollow metallic cylinders, 4045700100017 inner diam. 19.9,17.6,14.9 mm, 4045700100018 outer diam. 22.6,22.5,22.5 mm, 4045700100019 height 48.7,49.2,48.9 mm. 4045700100020 METHOD (TOF) 197 cm flight base. 4045700100021 DETECTOR (SOLST) Solid state detector with stilbene crystal of 4045700100022 diam. 70 mm, height 50 mm -for neutron detection. 4045700100023 (SCIN) For neutron beam monitoring . 4045700100024 MONITOR (98-CF-252(N,F),PR,NU/DE) For detector efficiency. 4045700100025 Cf-252 prompt neutron spectrum was described by Terrell4045700100026 formula of T=1.42 MeV. 4045700100027 CORRECTION Multiple scattering correction is 30.%. 4045700100028 HISTORY (19781121C) Compiled at the centre 4045700100029 (20110712A) Upper -> lower case correction. 4045700100030 Dates were corrected for 4-digits year. 4045700100031 Ref. J,SJA was added. 4045700100032 (20210220A) REACTION was corrected in Subents 004,005. 4045700100033 Minor correction of free text. 4045700100034 ENDBIB 32 0 4045700100035 COMMON 2 3 4045700100036 EN EN-RSL 4045700100037 MEV KEV 4045700100038 2.47 100. 4045700100039 ENDCOMMON 3 0 4045700100040 ENDSUBENT 39 0 4045700199999 SUBENT 40457002 20210220 41954045700200001 BIB 7 16 4045700200002 REACTION (92-U-238(N,INL)92-U-238,PAR,SIG) 4045700200003 MONITOR 1(92-U-238(N,F),,SIG) 4045700200004 2(92-U-238(N,F),,NU) 4045700200005 MONIT-REF 2(40429003,V.Nurpeisov+,R,FEI-543,1974) 4045700200006 1(,M.N.Nikolaev+,R,YK-8,(1),10,1972) Yad.Const.,8,part1.4045700200007 ANALYSIS (INTAD) 4045700200008 STATUS (DEP,40457003) Data obtained from SUBENT 40457003 (DA) 4045700200009 (TABLE) Text page 67, of At.Energy,v.43,is.4,p.266,19774045700200010 = text,page 31, of rep.YFI-25,p.30,1977. 4045700200011 ERR-ANALYS (ERR-T) Total error 4045700200012 (ERR-1) Error due to the polynomial representation 4045700200013 (ERR-2,4.,6.) Error due to angular distribution 4045700200014 (ERR-3) Error due to normalization 4045700200015 (ERR-4) Integration error 4045700200016 HISTORY (20210220A) DATA-ERR -> ERR-T, 4045700200017 DATA-ERR1/2/3/4 -> ERR-1/2/3/4. 4045700200018 ENDBIB 16 0 4045700200019 COMMON 5 3 4045700200020 Q-VAL-MIN Q-VAL-MAX ERR-1 ERR-3 ERR-4 4045700200021 MEV MEV PER-CENT PER-CENT PER-CENT 4045700200022 -1.3500E+00-9.0000E-01 2. 5. 4. 4045700200023 ENDCOMMON 3 0 4045700200024 DATA 4 1 4045700200025 DATA ERR-T MONIT1 MONIT2 4045700200026 MB MB B PRT/FIS 4045700200027 380. 25. 0.55 2.66 4045700200028 ENDDATA 3 0 4045700200029 ENDSUBENT 28 0 4045700299999 SUBENT 40457003 20210220 41954045700300001 BIB 3 4 4045700300002 REACTION (92-U-238(N,INL)92-U-238,PAR,DA) 4045700300003 ERR-ANALYS (DATA-ERR) Type of uncertainty is not explained in the 4045700300004 article. 4045700300005 STATUS (TABLE) Table 1 of rep.YFI-25,p.30,1977 4045700300006 ENDBIB 4 0 4045700300007 COMMON 2 3 4045700300008 Q-VAL-MIN Q-VAL-MAX 4045700300009 MEV MEV 4045700300010 -1.3500E+00-9.0000E-01 4045700300011 ENDCOMMON 3 0 4045700300012 DATA 3 5 4045700300013 ANG DATA DATA-ERR 4045700300014 ADEG MB/SR MB/SR 4045700300015 30. 35.4 1.5 4045700300016 60. 30.7 1.1 4045700300017 90. 30.2 1.1 4045700300018 120. 28.1 1.2 4045700300019 150. 27.2 1.4 4045700300020 ENDDATA 7 0 4045700300021 ENDSUBENT 20 0 4045700399999 SUBENT 40457004 20210220 41954045700400001 BIB 4 14 4045700400002 REACTION (92-U-238(N,INL)92-U-238,PAR,DA,,LEG/RSD/FCT) 4045700400003 Factor 1/4PI. 4045700400004 ERR-ANALYS (DATA-ERR) Type of uncertainty is not explained in the 4045700400005 article. 4045700400006 STATUS (DEP,40457003) Data obtained from SUBENT 40457003 4045700400007 (TABLE) Text page 67, of At.Energy,v.43,is.4,p.266,19774045700400008 = text,page 31, of rep.YFI-25,p.30,1977. 4045700400009 HISTORY (20110712A) M.M. "N" was deleted from SF7 according to 4045700400010 the comment of N.Otsuka (NDS IAEA). 4045700400011 (20210220A) "N" was deleted from SF7, FCT was added 4045700400012 Formula used for fitting 4045700400013 (D-SIG(TETA)/D-OMEGA)/(D-SIG(90)/D-OMEGA)= 4045700400014 1/4PI*(A(0)+SUM(A(L)P(L))) was deleted according to 4045700400015 N.Otsuka (NDS, IAEA) comment. 4045700400016 ENDBIB 14 0 4045700400017 COMMON 2 3 4045700400018 Q-VAL-MIN Q-VAL-MAX 4045700400019 MEV MEV 4045700400020 -1.3500E+00-9.0000E-01 4045700400021 ENDCOMMON 3 0 4045700400022 DATA 3 3 4045700400023 NUMBER DATA DATA-ERR 4045700400024 NO-DIM NO-DIM NO-DIM 4045700400025 0. 12.57 0.23 4045700400026 1. 1.77 0.36 4045700400027 2. 0.59 0.50 4045700400028 ENDDATA 5 0 4045700400029 ENDSUBENT 28 0 4045700499999 SUBENT 40457005 20210220 41954045700500001 BIB 6 20 4045700500002 REACTION (92-U-238(N,F)0-NN-1,,DA,,LEG/RSD/MSC) 4045700500003 Angular distribution of fission neutrons 4045700500004 in the energy range 3. - 9. MeV. 4045700500005 ADD-RES (N-SPC) Fission neutron spectra were described by 4045700500006 Maxwellian distribution with T ,MeV : 4045700500007 Angle Sample 2 Sample 3 4045700500008 30. 1.31+-0.05 4045700500009 60. 1.36+-0.05 4045700500010 90. 1.28+-0.04 1.32+-0.04 4045700500011 120. 1.38+-0.05 4045700500012 150. 1.33+-0.04 4045700500013 Average =1.33+-0.04 MeV, 4045700500014 average =3/2*=1.995+-0.060 MeV. 4045700500015 COMMENT Within 4-percent accuracy - angular distribution 4045700500016 of fission neutrons is isotropic 4045700500017 ERR-ANALYS (DATA-ERR) Type of uncertainty is not explained in the 4045700500018 article. 4045700500019 STATUS (TABLE) Text page 67, of At.Energy,v.43,is.4,p.266,19774045700500020 HISTORY (20210220A) N in SF7 -> 0-NN-1 in SF4. MSC was added 4045700500021 according to a comment N.Otsuka (NDS,IAEA) 4045700500022 ENDBIB 20 0 4045700500023 NOCOMMON 0 0 4045700500024 DATA 3 3 4045700500025 NUMBER DATA DATA-ERR 4045700500026 NO-DIM NO-DIM NO-DIM 4045700500027 0. 12.66 0.15 4045700500028 1. -0.27 0.22 4045700500029 2. 0.09 0.30 4045700500030 ENDDATA 5 0 4045700500031 ENDSUBENT 30 0 4045700599999 ENDENTRY 5 0 4045799999999