ENTRY 41171 20210126 41924117100000001 SUBENT 41171001 20210126 41924117100100001 BIB 17 46 4117100100002 TITLE Neutron spectra in 237Np fission induced by neutrons 4117100100003 of energy 2.9 and 14.7 MeV 4117100100004 AUTHOR (G.S.Boykov,V.D.Dmitriev,M.I.Svirin,G.N.Smirenkin) 4117100100005 INSTITUTE (4RUSRI ) Boykov, Dmitriev 4117100100006 (4RUSFEI) Svirin, Smirenkin 4117100100007 REFERENCE (J,YF,57,2126,1994) Issue 12 4117100100008 (J,PAN,57,2047,1994) Engl. translation of YF. 4117100100009 (J,ANE,21,585,1994) Data Table 4117100100010 REL-REF (N,41094001,G.S.Boikov+,J,AE,69,23,1990) Exp. details 4117100100011 MONITOR ((MONIT2)98-CF-252(0,F)0-NN-1,,KEM) 4117100100012 T0=1.420 MeV was used to approximate Cf neutron 4117100100013 spectrum, see formula (3) in Yad.Fiz.,v.57,p.2126. 4117100100014 ((MONIT1)98-CF-252(0,F),PR,NU) 4117100100015 MONIT-REF (,,R,NEANDC-311,1992) 4117100100016 (,,R,INDC(SEC)-101,1992) 4117100100017 (,,P,FEI-1917,1988) 4117100100018 (,,R,IAEA-410,158,1987) IAEA-TECDOC-410 4117100100019 METHOD (TOF) Time-of-flight path 205cm under 90degrees to 4117100100020 neutron beam. 4117100100021 FACILITY (VDG,4RUSRI) Neutron generator NG-400 4117100100022 DETECTOR (FISCH) Multi-layer fission chamber of 4 sections, 4117100100023 FF registration efficiency - 70%. 4117100100024 PART-DET (N,FF) 4117100100025 INC-SOURCE (D-D,D-T) 4117100100026 SAMPLE Np-237 layers of 2 mg/cm2 thickness on both sides of 4117100100027 aluminum backing, 1.87 g in each of three sections. 4117100100028 In 4th section of fission chamber - Np-237 layer on 4117100100029 one side of backing with implanted Cf-252 nuclei. 4117100100030 CORRECTION Correction was made for neutron angular correlation. 4117100100031 ERR-ANALYS (DATA-ERR) Error takes into account: 4117100100032 statistical error, 4117100100033 standard E-AVG and NU-BAR errors, 4117100100034 corrections errors, 4117100100035 systematic errors. 4117100100036 STATUS Data are taken from YF . 4117100100037 HISTORY (19950517C) + + Compiled at the center - CJD + + 4117100100038 (20061215U) J,PAN,57,2047,1994 reference was added. 4117100100039 Dates were corrected for 4-digit year. Information was4117100100040 added into SUB.001. M.M. 4117100100041 (20090922A) M.M. COMMON was added. 4117100100042 Reference J,AE,69,23,1990 was moved in REL-REF. 4117100100043 (20210126A) Ref. J,ANE,21,585,1994 was added. 4117100100044 STATUS information was updated. 4117100100045 ,,AKE,N) -> 0-NN-1,,KE) in MONITOR 4117100100046 MONIT -> MONIT1. MONIT2 value was added. 4117100100047 ERR-T -> DATA-ERR. 4117100100048 ENDBIB 46 0 4117100100049 COMMON 3 3 4117100100050 MONIT1 MONIT1-ERR MONIT2 4117100100051 PRT/FIS PRT/FIS MEV 4117100100052 3.7570 0.0054 1.420 4117100100053 ENDCOMMON 3 0 4117100100054 ENDSUBENT 53 0 4117100199999 SUBENT 41171002 20210126 41924117100200001 BIB 3 5 4117100200002 REACTION (93-NP-237(N,F)0-NN-1,PR,KE) 4117100200003 STATUS (TABLE) Table 1 of Yad.Fiz.,v.57,is.12,p.2126,1994, 4117100200004 Table 1 of Annals of Nucl.Energy,v.21,p.585,1994 4117100200005 HISTORY (20210126A) Reaction was corrected: 4117100200006 ,PR,AKE,N) -> 0-NN-1,PR,KE) 4117100200007 ENDBIB 5 0 4117100200008 NOCOMMON 0 0 4117100200009 DATA 3 2 4117100200010 EN DATA DATA-ERR 4117100200011 MEV MEV MEV 4117100200012 2.9 2.06 0.03 4117100200013 14.7 2.13 0.04 4117100200014 ENDDATA 4 0 4117100200015 ENDSUBENT 14 0 4117100299999 SUBENT 41171003 20210126 41924117100300001 BIB 3 4 4117100300002 REACTION (93-NP-237(N,F),PR,NU) 4117100300003 STATUS (TABLE) Table 1 of Yad.Fiz.,v.57,is.12,p.2126,1994, 4117100300004 Table 1 of Annals of Nucl.Energy,v.21,p.585,1994 4117100300005 HISTORY (20061215A) DATA Units were changed 'NO-DIM'->'PRT/FIS'4117100300006 ENDBIB 4 0 4117100300007 NOCOMMON 0 0 4117100300008 DATA 3 2 4117100300009 EN DATA DATA-ERR 4117100300010 EV PRT/FIS PRT/FIS 4117100300011 2.9 3.01 0.07 4117100300012 14.7 4.52 0.10 4117100300013 ENDDATA 4 0 4117100300014 ENDSUBENT 13 0 4117100399999 ENDENTRY 3 0 4117199999999