ENTRY 40901 20160604 41764090100000001 SUBENT 40901001 20160604 41764090100100001 BIB 12 37 4090100100002 TITLE The thermal-neutron fission cross section of Np-237 4090100100003 and the resonant fission integral 4090100100004 AUTHOR (V.V.Kozharin,S.S.Kovalenko,Yu.A.Selitskii, 4090100100005 Yu.A.Nemilov, S.V.Khlebnikov,V.S.Belykh,B.Ya.Galkin, 4090100100006 V.Ya.Mishin, V.I.Orlov,E.M.Rubtsov,B.I.Tarler, 4090100100007 G.V.Val'skii, G.A.Petrov,Yu.S.Pleva) 4090100100008 INSTITUTE (4RUSRI ,4RUSLIN) 4090100100009 REFERENCE (J,AE,60,(6),419,1986) 4090100100010 (J,SJA,60,498,1986) Engl.Transl.of AE,60,419,1986 4090100100011 FACILITY (REAC,4RUSLIN) Reactor WWR-M 4090100100012 REL-REF (R,,E.Gryntakis+,J,RCA,22,128,1975) 4090100100013 Ref. for Westcott factors 4090100100014 METHOD (ASEP) 4090100100015 Cd filter of 1 mm thickness. 4090100100016 DETECTOR (TRD) Mica solid-state detector,efficiency 96+-1% 4090100100017 SAMPLE Isotopes ambudances for plutonium (% of mass): 4090100100018 Pu-238 - 0.007 4090100100019 Pu-239 - 99.978 4090100100020 Pu-240 - 0.015 4090100100021 Pu-241 - 0.005 4090100100022 Pu-242 - 0.005 4090100100023 Pu-239 mass = 0.55+-0.01 mkg. 4090100100024 U-235 mass = 175.+-5 ng (as natural uranium). 4090100100025 ERR-ANALYS (ERR-1) Error due to the sample nuclear number 4090100100026 determination 4090100100027 (ERR-2) Error due to the number-of-fissions 4090100100028 determination 4090100100029 (ERR-T) Total error 4090100100030 STATUS (TABLE) Data from the text of AE,60,(6),419,1986 4090100100031 HISTORY (19860825C) Compiled at CJD 4090100100032 (20051028A) Sub.002 DATA units were corrected, 4090100100033 Dates were corrected. SAMPLE lines added (sub.001)4090100100034 (20160604U) SD: Ref. SJA,60,498,1986 was added. Title 4090100100035 and list of authors update following SJA,60,498. 4090100100036 (20170710A) M.M. Previous correction of SD was 4090100100037 checked at CJD. Minor corrections at authors list. 4090100100038 Monitors were moved in data Subents. 4090100100039 ENDBIB 37 0 4090100100040 COMMON 2 3 4090100100041 ERR-1 ERR-2 4090100100042 PER-CENT PER-CENT 4090100100043 2. 3. 4090100100044 ENDCOMMON 3 0 4090100100045 ENDSUBENT 44 0 4090100199999 SUBENT 40901002 20160604 41764090100200001 BIB 2 6 4090100200002 REACTION (93-NP-237(N,F),,SIG) 4090100200003 MONITOR ((MONIT1)92-U-235(N,F),,SIG) 4090100200004 ((MONIT2)94-PU-239(N,F),,SIG) 4090100200005 From book V.M.Gorbachev+,The interaction of Radiations 4090100200006 with Heavy-Element Nuclei and Nuclear Fission( in 4090100200007 Russian),Atomizdat,Moscow,1976 . 4090100200008 ENDBIB 6 0 4090100200009 COMMON 2 3 4090100200010 MONIT1 MONIT2 4090100200011 B B 4090100200012 582.2 742.5 4090100200013 ENDCOMMON 3 0 4090100200014 DATA 3 1 4090100200015 EN DATA ERR-T 4090100200016 EV MB MB 4090100200017 0.0253 20. 1. 4090100200018 ENDDATA 3 0 4090100200019 ENDSUBENT 18 0 4090100299999 SUBENT 40901003 20160604 41764090100300001 BIB 3 8 4090100300002 REACTION (93-NP-237(N,F),,RI) 4090100300003 INC-SPECT Resonance energy neutron spectrum is 1/e 4090100300004 Cadmium cut-off energy is lower limit of res.integral 4090100300005 MONITOR ((MONIT3)92-U-235(N,F),,RI) 4090100300006 ((MONIT4)94-PU-239(N,F),,RI) 4090100300007 From book V.M.Gorbachev+,The interaction of Radiations 4090100300008 with Heavy-Element Nuclei and Nuclear Fission( in 4090100300009 Russian),Atomizdat,Moscow,1976 . 4090100300010 ENDBIB 8 0 4090100300011 COMMON 2 3 4090100300012 MONIT3 MONIT4 4090100300013 B B 4090100300014 275. 301. 4090100300015 ENDCOMMON 3 0 4090100300016 DATA 3 1 4090100300017 EN-MIN DATA ERR-T 4090100300018 EV B B 4090100300019 0.5 4.70 0.23 4090100300020 ENDDATA 3 0 4090100300021 ENDSUBENT 20 0 4090100399999 ENDENTRY 3 0 4090199999999