ENTRY G0047 20150515 G033G004700000001 SUBENT G0047001 20150515 G033G004700100001 BIB 10 27 G004700100002 TITLE Measurement of 209Bi(g,n) reaction cross section G004700100003 induced by 7646 keV gamma rays G004700100004 AUTHOR (Yue Gang, Ye Zongyuan, Li Jingwen, Shi Detang, G004700100005 Zhou Shuhua, Huang Shengnian, Wang Zhongqi) G004700100006 INSTITUTE (3CPRAEP) G004700100007 REFERENCE (J,CNP,11,(1),27,1989) G004700100008 FACILITY (REAC,3CPRAEP) Swimming pool reactor G004700100009 INC-SOURCE (MPH=(26-FE-0(N,G))) G004700100010 DETECTOR (HE3SP) Energy dependence of the efficiency was G004700100011 determined by measuring 7Li(p,n) and T(p,n) neutrons G004700100012 relative to a standard long counter. G004700100013 Absolute efficiency calibration was done by using G004700100014 Na-Be 964keV neutrons. G004700100015 Absolute neutron number of Na-Be neutron source was G004700100016 determined by comparing it with a standard Am-Be G004700100017 neutron source in a manganese bath. G004700100018 (NAICR) 100 mm (diam) x 100 mm (height) crystal to G004700100019 determine Intensity of 7632 and 7642 keV gamma rays. G004700100020 ERR-ANALYS (ERR-T) Total error (~15%)G004700100021 (ERR-1) relative efficiency for 3He spectrometer (~5%)G004700100022 (ERR-2) intensity of gamma (~5%)G004700100023 (ERR-3) absolute efficiency for 945 keV neutrons (~7%)G004700100024 (ERR-4) extrapolation of efficiency from 945 keV (~12%)G004700100025 (ERR-S) statistics of detected reaction neutrons (~3%)G004700100026 CORRECTION Corrected for absorption of incident gamma rays and G004700100027 outgoing neutrons by Bi sample. G004700100028 HISTORY (20150515C) On G004700100029 ENDBIB 27 0 G004700100030 COMMON 5 3 G004700100031 ERR-1 ERR-2 ERR-3 ERR-4 ERR-S G004700100032 PER-CENT PER-CENT PER-CENT PER-CENT PER-CENT G004700100033 5. 5. 7. 12. 3. G004700100034 ENDCOMMON 3 0 G004700100035 ENDSUBENT 34 0 G004700199999 SUBENT G0047002 20150513 G033G004700200001 BIB 4 6 G004700200002 REACTION (83-BI-209(G,N)83-BI-208,PAR,SIG) G004700200003 SAMPLE 20 x 20 x 0.99 cm3 placed 1.7 m away from the reactor G004700200004 channel gate G004700200005 EN-SEC (LVL-NUMB,83-BI-208) (g,n1) corresponding to the G004700200006 130 keV neutron group. G004700200007 STATUS (TABLE) Text (p33) of Chin.J.Nucl.Phys.11(1989)27 G004700200008 ENDBIB 6 0 G004700200009 NOCOMMON 0 0 G004700200010 DATA 5 2 G004700200011 EN E-LVL LVL-NUMB DATA ERR-T G004700200012 KEV KEV NO-DIM MB MB G004700200013 7646. 0. 13.8 2.0 G004700200014 7646. 1. 8.5 1.3 G004700200015 ENDDATA 4 0 G004700200016 ENDSUBENT 15 0 G004700299999 SUBENT G0047003 20150513 G033G004700300001 BIB 4 4 G004700300002 REACTION (82-PB-207(G,N)82-PB-206,PAR,SIG) G004700300003 SAMPLE No sample description given G004700300004 EN-SEC (E,N) 86 keV neutron group G004700300005 STATUS (TABLE) Text of Chin.J.Nucl.Phys.11(1989)27 G004700300006 ENDBIB 4 0 G004700300007 NOCOMMON 0 0 G004700300008 DATA 4 1 G004700300009 EN E DATA ERR-T G004700300010 KEV KEV MB MB G004700300011 7632. 86. 383. 60. G004700300012 ENDDATA 3 0 G004700300013 ENDSUBENT 12 0 G004700399999 ENDENTRY 3 0 G004799999999