ENTRY 40994 20160604 41764099400000001 SUBENT 40994001 20160604 41764099400100001 BIB 8 31 4099400100002 TITLE Absolute measurement of the Am-242-M fission 4099400100003 cross-section by the Cf-252 spontaneous fission 4099400100004 spectrum neutrons. 4099400100005 AUTHOR (S.E.Gusev,L.V.Drapchinskiy,V.N.Dushin,S.S.Kovalenko, 4099400100006 V.V.Kol'tsov,O.I.Kostochkin,P.S.Soloshenkov, 4099400100007 V.A.Trenkin) 4099400100008 INSTITUTE (4RUSRI) 4099400100009 REFERENCE (C,87KIEV,3,89,1987) 4099400100010 METHOD (COINC,ASSOP) Coincidence of fission fragments and 4099400100011 those of Cf-252 4099400100012 CORRECTION Following corrections were made - on the random 4099400100013 coincidence 20 %, on the zero-extrapolation of the 4099400100014 number of fissions 20 %, on the admixture-isotopes 4099400100015 fissions 32 %, on the FF absorption in sample 1 %. 4099400100016 ERR-ANALYS (ERR-1) Error due to the geometrical factor 4099400100017 (ERR-2) Error due to the Cf-252 NU-BAR uncertainty 4099400100018 (ERR-S) Error due to the fission statistics 4099400100019 (ERR-4) Error due to the random coincidences 4099400100020 (ERR-5) Error due to the fission-events-to-zero 4099400100021 extrapolation 4099400100022 (ERR-6) Error to the FF absorption in sample 4099400100023 (ERR-7) Error due to the admixture-isotopes fission 4099400100024 (ERR-8) Error due to the surface density 4099400100025 (ERR-T) Total error 13 %. 4099400100026 HISTORY (19890921C) Compiled at the centre - CJD 4099400100027 (20120126A) M.M. Upper -> lower case correction. 4099400100028 Dates were corrected for 4-digits year. 4099400100029 Cf-252 : (N,F) -> (0,F) . ERR-3 -> ERR-S. 4099400100030 (20160604A) SD: DECAY-DATA corrected in Subent 002. 4099400100031 (20170710U) M.M. Previous correction of SD was 4099400100032 checked at CJD. Minor correction of free text. 4099400100033 ENDBIB 31 0 4099400100034 COMMON 8 6 4099400100035 ERR-1 ERR-2 ERR-S ERR-4 ERR-5 ERR-6 4099400100036 ERR-7 ERR-8 4099400100037 PER-CENT PER-CENT PER-CENT PER-CENT PER-CENT PER-CENT 4099400100038 PER-CENT PER-CENT 4099400100039 1. .2 8. 1. 7. 7. 4099400100040 4. 7. 4099400100041 ENDCOMMON 6 0 4099400100042 ENDSUBENT 41 0 4099400199999 SUBENT 40994002 20160604 41764099400200001 BIB 7 14 4099400200002 REACTION (95-AM-242-M(N,F),,SIG,,FIS) SIGMA averaged over 4099400200003 Cf-252 fission spectrum 4099400200004 DECAY-DATA Am-242m (3.13+-0.09)E+04yr alpha decay 4099400200005 ASSUMED (ASSUM,98-CF-252(0,F),PR,NU) From ENDF/B-V. 4099400200006 SAMPLE Thin layer of AM-242, 24 mm diameter, produced by 4099400200007 spraying. 4099400200008 DECAY-DATA were used to define number of nuclei in 4099400200009 sample. 4099400200010 INC-SOURCE (CF252) Fission spectrum 4099400200011 STATUS (TABLE) Text, page 91 of C,87KIEV,3,89,1987 . 4099400200012 HISTORY (20160604A) SD: DECAY-DATA corrected following 4099400200013 MEMO CP-D/888 (not half-life). 4099400200014 EN-MEAN -> KT-DUMMY accoding to a comment of M.Otsuka 4099400200015 NDS, IAEA . 4099400200016 ENDBIB 14 0 4099400200017 NOCOMMON 0 0 4099400200018 DATA 5 1 4099400200019 KT-DUMMY DATA ERR-T ASSUM ASSUM-ERR 4099400200020 EV B B NO-DIM NO-DIM 4099400200021 1.42E+06 1.60 0.22 3.758 9.E-03 4099400200022 ENDDATA 3 0 4099400200023 ENDSUBENT 22 0 4099400299999 ENDENTRY 2 0 4099499999999