ENTRY 32576 20100328 31473257600000001 SUBENT 32576001 20100328 31473257600100001 BIB 15 39 3257600100002 TITLE The cross section measurement for the Cu-63(n,a)Co-60 3257600100003 reaction 3257600100004 INSTITUTE (3CPRLNZ) 3257600100005 REFERENCE (J,PHE,14,919,199010) 3257600100006 AUTHOR (Wang Yongchang,Yuan Junqian,Ren Zhongliang, 3257600100007 Wang Huamin,Yang Jingkang,Shui Yongqing,Xiang Sicang) 3257600100008 FACILITY (CCW,3CPRLNZ) Zf-300-2 intense neutron generator of LNZ3257600100009 INC-SOURCE (D-T) T-Ti target with thickness = 0.9mg/cm**2 3257600100010 average deuteron energy = 125keV 3257600100011 beam current intensity = 20mA 3257600100012 neutron yield = (1-3) x 10**12 n/sec 3257600100013 MONITOR (13-AL-27(N,A)11-NA-24,,SIG) 3257600100014 DECAY-MON (11-NA-24,14.659HR,DG,1368.598) 3257600100015 METHOD (ACTIV) 3257600100016 DETECTOR (GELI) CH84O3 coaxial high purity Ge(Li) det. 3257600100017 Relative efficiency was 20% 3257600100018 energy resolution was 3keV(1.33MeV) 3257600100019 SAMPLE Natural copper samples with 0.45 mm x 20 mm diameter 3257600100020 were placed at different angles relative to beam 3257600100021 direction and centered at beam stop on the T-Ti target 3257600100022 with distances between 10-28 cm, respectively. 3257600100023 Cu samples were sandwiched between two Al foils with 3257600100024 0.1 x 20 mm diameter. Sample purity was 99.999% 3257600100025 ERR-ANALYS (ERR-T) The principal sources of uncertainty were: 3257600100026 (uncertainty given in %) 3257600100027 (MONIT-ERR) monitor cross sections (1.5-3) 3257600100028 (ERR-1) detector efficiency (0.7) 3257600100029 (ERR-S,0.5,1.1) counting statistics (0.5-1.1) 3257600100030 (ERR-2) gamma-ray self-absorption ( 1 ) 3257600100031 (ERR-3) cascade gamma coincidence ( 1 ) 3257600100032 (ERR-4) sample weighted (0.15) 3257600100033 (ERR-5) neutron energy (0.4) 3257600100034 CORRECTION Corrected for gamma-ray self-absorption, cascade gamma 3257600100035 coincidence, neutron flux fluctuation,geometric factor 3257600100036 STATUS (TABLE) Data taken from Chinese J. High energy Phys. 3257600100037 and Nucl.Phys., 14, 919(1990) 3257600100038 HISTORY (19920110C) Compiled at CNDC 3257600100039 (20100328A) SD:Updated to new date formats,lower case. 3257600100040 Cosmetic changes and corrections 3257600100041 ENDBIB 39 0 3257600100042 COMMON 5 3 3257600100043 ERR-1 ERR-2 ERR-3 ERR-4 ERR-5 3257600100044 PER-CENT PER-CENT PER-CENT PER-CENT PER-CENT 3257600100045 0.7 1. 1. 0.15 0.4 3257600100046 ENDCOMMON 3 0 3257600100047 ENDSUBENT 46 0 3257600199999 SUBENT 32576002 20100328 31473257600200001 BIB 2 2 3257600200002 REACTION (29-CU-63(N,A)27-CO-60,,SIG) 3257600200003 DECAY-DATA (27-CO-60-G,5.271YR,DG,1332.501) 3257600200004 ENDBIB 2 0 3257600200005 NOCOMMON 0 0 3257600200006 DATA 6 6 3257600200007 EN EN-RSL DATA ERR-T MONIT MONIT-ERR 3257600200008 MEV MEV MB MB MB MB 3257600200009 13.6400 0.050 58.3 3.1 125.6 4.0003257600200010 13.7900 0.060 56.3 2.4 122.7 1.7003257600200011 14.0300 0.070 53.4 2.0 122.2 1.7003257600200012 14.3300 0.090 50.8 1.9 119.1 1.7003257600200013 14.6000 0.110 48.4 1.7 114.6 1.6003257600200014 14.8000 0.110 47.4 1.7 112.3 1.3003257600200015 ENDDATA 8 0 3257600200016 ENDSUBENT 15 0 3257600299999 ENDENTRY 2 0 3257699999999