ENTRY 30717 20090906 31403071700000001 SUBENT 30717001 20090906 31403071700100001 BIB 13 35 3071700100002 INSTITUTE (3CPRAEP) 3071700100003 REFERENCE (J,CNP,6,369,198411) in Chinese, English abstract 3071700100004 AUTHOR (Wu Jingxia,Rong Chaofan,Sun Zhongfa,Li Jingwen, 3071700100005 YE Zongyuan,Deng Xinlu) 3071700100006 TITLE Measurement of fission cross section for Np-237 induced3071700100007 by fast neutron 3071700100008 FACILITY (VDG,3CPRAEP) 3071700100009 INC-SOURCE (D-D) 3071700100010 SAMPLE Electro-deposited foil of Np-237, 1.3cm in diameter, 3071700100011 0.546 Mg in weight. 3071700100012 METHOD Fission cross sections of Np-237 were measured using 3071700100013 a recoil proton semiconductor detector telescope and 3071700100014 fission ionization chamber placed back-to-back system. 3071700100015 DETECTOR (FISCH) 3071700100016 (TELES) 3071700100017 MONITOR (1-H-1(N,EL)1-H-1,,SIG) 3071700100018 MONIT-REF (,J.C.Hopkins+,J,ND/A,9,137,1971) 3071700100019 ERR-ANALYS (ERR-T) Errors of the experimental data are mainly 3071700100020 (ERR-1) Uncertainty in cross section formula 3071700100021 approximation - 0.5% 3071700100022 (ERR-S) Fission counting statistics - 1% 3071700100023 (ERR-2) Uncertainty in detector efficiency 3071700100024 correction - 0.5% 3071700100025 (ERR-3) Uncertainty in polythelene area 3071700100026 density - 0.5% 3071700100027 (ERR-4) Uncertainty in Np-237 quantity - 0.5% 3071700100028 (ERR-5) Uncertainty in neutron scattering 3071700100029 correction - 0.1% 3071700100030 (ERR-6) Sum uncertainty in geometry factor 3071700100031 and (n,p) differential cross section - 0.9% 3071700100032 (ERR-7,1.,1.5) Unstability in electronic system and d-d3071700100033 background neutron produced in beam line 1.-1.5% 3071700100034 HISTORY (20090725A) SD:Updated to new date formats,lower case. 3071700100035 COMMON section and codes for uncertainties were 3071700100036 added in Subent 001 3071700100037 ENDBIB 35 0 3071700100038 COMMON 7 6 3071700100039 ERR-1 ERR-S ERR-2 ERR-3 ERR-4 ERR-5 3071700100040 ERR-6 3071700100041 PER-CENT PER-CENT PER-CENT PER-CENT PER-CENT PER-CENT 3071700100042 PER-CENT 3071700100043 0.5 1.0 0.5 0.5 0.5 0.1 3071700100044 0.9 3071700100045 ENDCOMMON 6 0 3071700100046 ENDSUBENT 45 0 3071700199999 SUBENT 30717002 20090906 31403071700200001 BIB 3 6 3071700200002 REACTION (93-NP-237(N,F),,SIG) 3071700200003 STATUS (TABLE) Numerical value received from priv.comm. from 3071700200004 author. It corresponds to fig.4 in 3071700200005 Chin.J.Nucl.Phys.,6,369,1984 3071700200006 HISTORY (19860925C) -W.D- 3071700200007 (19861119A)-WD.- Data from priv.comm.added. 3071700200008 ENDBIB 6 0 3071700200009 NOCOMMON 0 0 3071700200010 DATA 4 4 3071700200011 EN EN-ERR DATA ERR-T 3071700200012 MEV MEV B B 3071700200013 4.0000E+00 1.9000E-01 1.6080E+00 4.7000E-02 3071700200014 4.5000E+00 1.8000E-01 1.5830E+00 4.6000E-02 3071700200015 5.0000E+00 1.1000E-01 1.5430E+00 4.5000E-02 3071700200016 5.5000E+00 7.0000E-02 1.5070E+00 4.9000E-02 3071700200017 ENDDATA 6 0 3071700200018 ENDSUBENT 17 0 3071700299999 ENDENTRY 2 0 3071799999999