ENTRY 30669 20190722 31893066900000001 SUBENT 30669001 20190722 31893066900100001 BIB 12 37 3066900100002 TITLE Measurement of fission cross section for 238U induced 3066900100003 by fast neutron 3066900100004 AUTHOR (Wu Jingxia, Deng Xinliu, Rong Chaofan, Sun Zhongfa, 3066900100005 Zhou Huiming, Zhou Shuhua) 3066900100006 INSTITUTE (3CPRAEP) 3066900100007 REFERENCE (J,CNP,5,158,1983) 3066900100008 FACILITY (VDG,3CPRAEP) 2.5MV Van de Graaff 3066900100009 INC-SOURCE (D-D) 500 ug/cm2 deuterium target 3066900100010 SAMPLE 99.99% enriched 238U as U3O8. Electro-painting 3066900100011 on Pt foil. 3066900100012 The mass of 238U was determined by method of residue 3066900100013 weighing. 3066900100014 METHOD Recoil proton semiconductor detector telescope and 3066900100015 238U deposit and myler film (radiator) are put in a 3066900100016 back-to-back geometry in the fission chamber. 3066900100017 DETECTOR (FISCH) Fission ionization chamber. 3066900100018 (TELES,SOLST,SOLST) Recoil proton telescope 3066900100019 CORRECTION Corrections for 3066900100020 - fission-counting efficiency, 3066900100021 - scattering 3066900100022 - self-absorption 3066900100023 and others. 3066900100024 ERR-ANALYS (ERR-T) Total error less than 2.6% contains from: 3066900100025 (ERR-1) Cross section reduction formula (0.5%) 3066900100026 (ERR-2) 238U sample mass (1%) 3066900100027 (ERR-3) Number of hydrogen atom in radiator (1%) 3066900100028 (ERR-S) Counting statistics of fission events (1%) 3066900100029 (ERR-4) Fission record efficiency (0.5%) 3066900100030 (ERR-5,1.,1.5) Instability of neutron monitor 3066900100031 and electronics (1-1.5%) 3066900100032 (ERR-6) m value and geometrical factor (0.9%) 3066900100033 (ERR-7,,0.5) Other miscellaneous sources (<0.5%) 3066900100034 HISTORY (19831207C) KO. 3066900100035 (19850215U) OS. Country code corrected. 3066900100036 (20090725A) SD: COMMON section and description of 3066900100037 uncertainties were added to Subent 001. 3066900100038 (20190722U) On. Trailing zero deleted for ERR-2, 3, S. 3066900100039 ENDBIB 37 0 3066900100040 COMMON 6 3 3066900100041 ERR-1 ERR-2 ERR-3 ERR-S ERR-4 ERR-6 3066900100042 PER-CENT PER-CENT PER-CENT PER-CENT PER-CENT PER-CENT 3066900100043 0.5 1. 1. 1. 0.5 0.9 3066900100044 ENDCOMMON 3 0 3066900100045 ENDSUBENT 44 0 3066900199999 SUBENT 30669002 20190722 31893066900200001 BIB 3 4 3066900200002 REACTION (92-U-238(N,F),,SIG) 3066900200003 STATUS (TABLE) Plot in Fig.6 of Chinese J.Nucl.Phys.5(1983)1583066900200004 HISTORY (19831207R) Received from Yuan Hanrong as priv.comm. 3066900200005 (20190722U) On. Numerical data expression changed. 3066900200006 ENDBIB 4 0 3066900200007 NOCOMMON 0 0 3066900200008 DATA 3 4 3066900200009 EN DATA ERR-T 3066900200010 MEV MB MB 3066900200011 4.0 566. 11. 3066900200012 4.5 565. 11. 3066900200013 5.0 562. 11. 3066900200014 5.5 553. 14. 3066900200015 ENDDATA 6 0 3066900200016 ENDSUBENT 15 0 3066900299999 ENDENTRY 2 0 3066999999999