ENTRY 32538 20100328 31473253800000001 SUBENT 32538001 20100328 31473253800100001 BIB 15 39 3253800100002 INSTITUTE (3CPRSIU) 3253800100003 REFERENCE (J,CST,22,(3),315,198805) 3253800100004 AUTHOR (Xia Yijun,Yang Jingfu,Guo Huachong,Wang Minghua, 3253800100005 Xie Bizheng,Wang Shiming) 3253800100006 TITLE Measurement of neutron capture cross section 3253800100007 of Ta 3253800100008 FACILITY (VDG,3CPRSIU) Pulsed 2.5MeV Van-De-Graaff 3253800100009 INC-SOURCE (P-LI7) 3253800100010 SAMPLE Purity 99.9% natural Ta disk,40 mm diam. and 3253800100011 0.3 mm thickness. 3253800100012 METHOD (TOF) Flight path 7 cm,resolution 22 ns/m 3253800100013 DETECTOR (MOXR,SCIN)Two MOXON-Rae detectors for gamma detection,3253800100014 incident neutron energy spectrum detected by TOF 3253800100015 method plus a Li-6 glass scintillation detector. 3253800100016 (LONGC) Neutron flux monitored by long counter. 3253800100017 MONITOR (79-AU-197(N,G)79-AU-198,,SIG)The numeral given in 3253800100018 data Table are the ratio of measured Ta cross section 3253800100019 to Au standard cross section. 3253800100020 MONIT-REF (,Jiang+,R,HSJ-77141,197805) 3253800100021 CORRECTION Correction applied for gamma self-absorption,neutron 3253800100022 multi-scattering and self-shielding 3253800100023 ERR-ANALYS (ERR-T) Total uncertainty are given, it contributed 3253800100024 from( in %): 3253800100025 (ERR-1,0.9,7.) .flight path 0.9-7. 3253800100026 (ERR-2,1.,1.5) .background subtraction 1-1.5. 3253800100027 (ERR-3) .neutron multiple scattering and 3253800100028 self-shielding 0.7. 3253800100029 (ERR-4) .gamma self-absorption 0.4. 3253800100030 (ERR-5,0.5,1.5) .correction for neutron 3253800100031 spectrum 0.5-1.5. 3253800100032 (ERR-6) .detector efficiency 1.0. 3253800100033 (MONIT-ERR,3.,4.).standard cross section 3.0-4.0 3253800100034 STATUS (TABLE) Data taken from Table 4 of Chinese Journal 3253800100035 CST,22,(3),315,198805 3253800100036 HISTORY (19910612C)Compiled by authors,corrected and checked by3253800100037 Liang Qichang and Yu Hongwei 3253800100038 (20011106D) OS. Entry deleted (duplication with 32555).3253800100039 (20100328A) SD:Updated to new date formats,lower case. 3253800100040 Author's name corrected: Jinfu => Jingfu 3253800100041 ENDBIB 39 0 3253800100042 COMMON 3 3 3253800100043 ERR-3 ERR-4 ERR-6 3253800100044 PER-CENT PER-CENT PER-CENT 3253800100045 0.7 0.4 1. 3253800100046 ENDCOMMON 3 0 3253800100047 ENDSUBENT 46 0 3253800199999 NOSUBENT 32538002 20030124 00003253800200001 ENDENTRY 2 0 3253899999999