ENTRY 40406 20220217 42044040600000001 SUBENT 40406001 20220217 42044040600100001 BIB 13 36 4040600100002 TITLE Cross section for fission of 244Pu by fast neutron 4040600100003 AUTHOR (B.M.Gokhberg,S.M.Dubrovina,V.A.Shigin) 4040600100004 REFERENCE (J,YF,25,21,1977) 4040600100005 (J,SNP,25,11,1977) 4040600100006 Engl.translation of YF,25,21,1977. 4040600100007 (P,YFI-22,10,1976) Data given 4040600100008 (R,INDC(CCP)-100,8,1977) 4040600100009 Engl.translation of YFI-22,10,1976. 4040600100010 INSTITUTE (4RUSKUR) 4040600100011 FACILITY (VDG,4RUSKUR) 4040600100012 INC-SOURCE (P-T) 4040600100013 SAMPLE Pu-244 layer of 5 mm diameter, placed at 8 mm distance 4040600100014 from neutron source at 0 deg. angle relative to ion 4040600100015 beam direction. Pu-244 layer weight was determined by 4040600100016 alpha activity to be 2.29 microgram. The largest 4040600100017 admixture - 0.7 % of Pu-242. 4040600100018 DETECTOR (GLASD) Glass of 20 mm diameter. 4040600100019 For fission fragments detection. 4040600100020 (LONGC) For neutron flux. 4040600100021 MONITOR (94-PU-239(N,F),,SIG) 4040600100022 MONIT-REF (,,J,REA,10,529,1972) Issue 4. 4040600100023 CORRECTION Background of scattered neutrons in incident beam - 5%.4040600100024 Background of scattered neutrons at fission fragments 4040600100025 registration < 0.1 %. 4040600100026 Background of spontaneous fission - 0.2% at energy 4040600100027 above the threshold, and up to 15% at 280 keV neutron 4040600100028 energy. 4040600100029 ERR-ANALYS (DATA-ERR) Uncertainty of relative shape of 4040600100030 cross-section. 4040600100031 (ERR-1) Normalization error is ~ 5.% , not included in 4040600100032 DATA-ERR. 4040600100033 HISTORY (19770110C) 4040600100034 (20220217A) Update for current rules and dictionaries. 4040600100035 Refs. YF,25,21,1977; SNP,25,11,1977; INDC(CCP)-100 4040600100036 were added. 4040600100037 ERR-1, EN-RSL were added. 4040600100038 ENDBIB 36 0 4040600100039 COMMON 4 3 4040600100040 MONIT EN-NRM ERR-1 EN-RSL 4040600100041 B MEV PER-CENT KEV 4040600100042 1.77 1.03 5. 40. 4040600100043 ENDCOMMON 3 0 4040600100044 ENDSUBENT 43 0 4040600199999 SUBENT 40406002 20220217 42044040600200001 BIB 3 6 4040600200002 REACTION (94-PU-244(N,F),,SIG) 4040600200003 DECAY-DATA (94-PU-244,6.8E+10YR,SF) (6.8+-0.8)*10**10 yr measured 4040600200004 spontaneous fission half-life. 4040600200005 STATUS (TABLE) Table of INDC(CCP)-100,8,1977 - 4040600200006 Engl.translation of YFI-22,p.10,1976 4040600200007 Table on page 23 of Yad.Fiz.,v.25,p.21,1977 4040600200008 ENDBIB 6 0 4040600200009 NOCOMMON 0 0 4040600200010 DATA 3 15 4040600200011 EN DATA DATA-ERR 4040600200012 KEV MB MB 4040600200013 280. 19. 1.5 4040600200014 425. 56. 3. 4040600200015 515. 112. 5. 4040600200016 620. 232. 10. 4040600200017 725. 459. 20. 4040600200018 830. 729. 20. 4040600200019 930. 1015. 30. 4040600200020 1030. 1166. 30. 4040600200021 1230. 1117. 30. 4040600200022 1330. 1166. 30. 4040600200023 1430. 1139. 30. 4040600200024 1530. 1096. 30. 4040600200025 1630. 1107. 30. 4040600200026 1730. 1063. 30. 4040600200027 1825. 1069. 30. 4040600200028 ENDDATA 17 0 4040600200029 ENDSUBENT 28 0 4040600299999 ENDENTRY 2 0 4040699999999