ENTRY 30721 20170719 31793072100000001 SUBENT 30721001 20170719 31793072100100001 BIB 13 46 3072100100002 TITLE Absolute measurement of 235U fission cross section 3072100100003 induced by 14.2 MeV neutrons 3072100100004 AUTHOR (Li Jingwen, Shen Guanren, Ye Zongyuan, Li Anli, 3072100100005 Zhou Shuhua, Sun Zhongfa, Wu Jingxia, Huang Tangzi, 3072100100006 Yue Gang, Shi Detang) 3072100100007 INSTITUTE (3CPRAEP) 3072100100008 REFERENCE (J,CNP,10,237,1988) in Chinese 3072100100009 (P,INDC(CPR)-009,3,1986) Same data in text 3072100100010 FACILITY (VDGT,3CPRAEP) 800 kV high voltage tandem accelerator 3072100100011 INC-SOURCE (D-T) 220 keV deuteron on T-Ti target (0.6-1 mg/cm2) 3072100100012 backed by Mo (0.2 mm thick) 3072100100013 SAMPLE Uranium (26 mm in diam.) electrodeposited on 3072100100014 Pt (40 um thick, 40 mm diam.). 3072100100015 (92-U-235,ENR=0.905) 3072100100016 (92-U-238,ENR=0.085) 3072100100017 (92-U-234,ENR=0.010) 3072100100018 REL-REF (N,30634002,Li Jingwen+,J,CNP,5,43,1983) 3072100100019 235U(n,f) at 14.7 MeV possibly with the same sample 3072100100020 DETECTOR (FISCH) 3072100100021 (SCIN) Plastic scintillator for alpha detection at 3072100100022 90 deg 3072100100023 METHOD (ASSOP) Absolute measurement by time correlated 3072100100024 associated particle technique 3072100100025 CORRECTION Corrected for 3072100100026 - fission detector efficiency 3072100100027 - neutron flux attenuation in samples 3072100100028 - fission events due to other isotopes in the sample 3072100100029 ERR-ANALYS (ERR-T) Total uncertainty (1.90%) propagated from 3072100100030 (ERR-1) areal sample density (1.00%) 3072100100031 (ERR-2) fission chamber detection efficiency (0.40%) 3072100100032 (ERR-S) statistics (0.80%) 3072100100033 (ERR-3) effects of incident neutron momentum, 3072100100034 self-absorption of fragment in sample, and 3072100100035 anisotropic of fission fragments (0.30%) 3072100100036 (ERR-4) nonuniformity of sample (1.00%) 3072100100037 (ERR-5) neutron attenuation (0.27%) 3072100100038 (ERR-6) fission of other than 235U (0.63%) 3072100100039 (ERR-7) neutron cone spread (0.30%) 3072100100040 (ERR-8) (n,g) effect (0.10%) 3072100100041 (ERR-9) neutron produced by secondary charged 3072100100042 particle such as Ti(d,p), C(d,a) (0.20%) 3072100100043 HISTORY (19861006C) 3072100100044 (19890323U) VOF.-New reference added. 3072100100045 (20070821A) SD. BIB section updated. Data headings for 3072100100046 uncertainties are corrected 3072100100047 (20170719A) On. ERR-ANALYS updated. Major rev. in 002. 3072100100048 ENDBIB 46 0 3072100100049 COMMON 9 6 3072100100050 ERR-1 ERR-2 ERR-3 ERR-4 ERR-5 ERR-6 3072100100051 ERR-7 ERR-8 ERR-9 3072100100052 PER-CENT PER-CENT PER-CENT PER-CENT PER-CENT PER-CENT 3072100100053 PER-CENT PER-CENT PER-CENT 3072100100054 1.00 0.40 0.30 1.00 0.27 0.63 3072100100055 0.30 0.10 0.20 3072100100056 ENDCOMMON 6 0 3072100100057 ENDSUBENT 56 0 3072100199999 SUBENT 30721002 20170719 31793072100200001 BIB 3 3 3072100200002 REACTION (92-U-235(N,F),,SIG) 3072100200003 STATUS (TABLE) Abstract of Chinese J.Nucl.Phys.10(1988)237 3072100200004 HISTORY (20170719A) On. ERR-T: %-uncertaity adopted. 3072100200005 ENDBIB 3 0 3072100200006 NOCOMMON 0 0 3072100200007 DATA 4 1 3072100200008 EN DATA ERR-T ERR-S 3072100200009 MEV B PER-CENT PER-CENT 3072100200010 14.2 2.078 1.90 0.80 3072100200011 ENDDATA 3 0 3072100200012 ENDSUBENT 11 0 3072100299999 ENDENTRY 2 0 3072199999999