ENTRY M0438 20160906 M084M043800000001 SUBENT M0438001 20160906 M084M043800100001 BIB 15 42 M043800100002 TITLE Cross section of the reaction Be-9(g,n) near M043800100003 threshold. M043800100004 AUTHOR (M.Fujishiro,T.Tabata,K.Okamoto,T.Tsujimoto) M043800100005 REFERENCE (J,CJP,60,1672,1982) M043800100006 INSTITUTE (2JPNOSP) M043800100007 INC-SOURCE (MPH=(27-CO-58(0,G))). EG=1674.7 KEV. M043800100008 (MPH=(44-RU-105(0,G))).EG=1705.2 KEV. M043800100009 (MPH=(28-NI-65(0,G))). EG=1724.9 KEV. M043800100010 (MPH=(13-AL-28(0,G))). EG=1778.9 KEV. M043800100011 (MPH=(39-Y-88(0,G))). EG=1836.0 KEV. M043800100012 (MPH=(17-CL-38(0,G))). EG=2167.6 KEV. M043800100013 DECAY-DATA (27-CO-58-G,70.8D,DG,1674.7,0.0053) M043800100014 (44-RU-105,4.44HR,DG,1705.2,0.00113) M043800100015 (28-NI-65,2.52HR,DG,1724.9,0.0039) M043800100016 (13-AL-28,2.24MIN,DG,1778.9,1.0) M043800100017 (39-Y-88,106.6D,DG,1836.0,0.9934) M043800100018 (17-CL-38-G,37.14MIN,DG,2167.6,0.424) M043800100019 Data from Table 1. M043800100020 METHOD (EXTB) M043800100021 SAMPLE Beryllium target, whose shape is a hollow cylinder 6 M043800100022 cm in outer diameter by 6 cm high, with walls of 1 M043800100023 cm thickness. M043800100024 PART-DET (N) M043800100025 DETECTOR (BF3) Four BF3 counters embedded in paraffin. M043800100026 ANALYSIS The cross section values were obtained using the M043800100027 equation: sig(Eg)=k*c(s)/i(s)*delta(Eg)*epsilon(En), M043800100028 where 'k' is a constant which depends only upon the M043800100029 shape of the be target, 'c(s)' is the counting rate M043800100030 of neutrons due to the source 's' with intensity M043800100031 'i(s)', energy 'Eg', and emission rate 'delta', and M043800100032 'epsilon(En)' is the efficiency of the neutron M043800100033 detector for neutrons with energy 'En'. M043800100034 ERR-ANALYS (ERR-S) The errors are statistical. M043800100035 COMMENT Six kinds of radioisotopes were used to measure cross M043800100036 section of the Be-9(g,n) reaction near its M043800100037 threshold. Because all other possible photonuclear M043800100038 reactions have a larger thresholds this is a pure M043800100039 reaction Be-9(g,n). M043800100040 STATUS (TABLE) Data from Tab. 3. M043800100041 HISTORY (19910218C) M043800100042 (20160906A) Corrected by V.Varlamov: ERR-ANALYS, M043800100043 DECAY-DATA (added), STATUS, dates, lowercase. M043800100044 ENDBIB 42 0 M043800100045 NOCOMMON 0 0 M043800100046 ENDSUBENT 45 0 M043800199999 SUBENT M0438002 20160906 M084M043800200001 BIB 3 3 M043800200002 REACTION (4-BE-9(G,N)4-BE-8,,SIG) M043800200003 STATUS Data from Table 3. M043800200004 HISTORY (20160906A) Corrected by V.Varlamov: ERR-S. M043800200005 ENDBIB 3 0 M043800200006 NOCOMMON 0 0 M043800200007 DATA 3 6 M043800200008 EN DATA ERR-S M043800200009 MEV MB MB M043800200010 1.6747 .88 .16 M043800200011 1.7052 1.33 .24 M043800200012 1.7249 1.1 .2 M043800200013 1.7789 .73 .13 M043800200014 1.836 .47 .09 M043800200015 2.1676 .18 .04 M043800200016 ENDDATA 8 0 M043800200017 ENDSUBENT 16 0 M043800299999 ENDENTRY 2 0 M043899999999