ENTRY 32678 20100910 31463267800000001 SUBENT 32678001 20100910 31463267800100001 BIB 14 39 3267800100002 TITLE Measurements of the 89Y(n,g)90mY cross section in the 3267800100003 energy range of 13.5-14.6 MeV 3267800100004 AUTHOR (Fengqun ZHOU,Xichang XUE,Xiangzhong KONG,Shuqing YUAN,3267800100005 Hongchun HUANG,Yong LI) 3267800100006 REFERENCE (J,NIM/B,268,1367,201005) 3267800100007 #doi:10.1016/j.nimb.2010.01.006 3267800100008 INSTITUTE (3CPRPDU) Pingdingshan University 3267800100009 (3CPRLNZ) Lanzhou University 3267800100010 FACILITY (CCW,3CPRLNZ) The ZF-300-II Intense Neutron Generator 3267800100011 at Lanzhou University. 3267800100012 INC-SOURCE (D-T) The thickness of the tritium-titanium(T-Ti) 3267800100013 target used in the generator was 1.35 mg/cm2. 3267800100014 DETECTOR (HPGE) A coaxial HPGe detector were used to detect 3267800100015 gamma ray from residual nucleus. The sensitive 3267800100016 volume of HPGe is 110 cm3. 3267800100017 MONITOR ((MONIT)41-NB-93(N,2N)41-NB-92-M,,SIG) 3267800100018 (40-ZR-90(N,2N)40-ZR-89,,SIG) 3267800100019 MONIT-REF (,M.Wagner+,B,PH-DAT,,13-5,1990) 3267800100020 DECAY-MON ((MONIT)41-NB-92-M,10.15D,DG,934.44,0.9907) 3267800100021 (40-ZR-89-G,78.41HR,DG,909.14,0.9987) 3267800100022 ERR-ANALYS (ERR-T) the total uncertainty 3267800100023 (ERR-S,0.6,1.9) counting statistics (0.6-1.9%) 3267800100024 (ERR-1) detector efficiency (1.5%) 3267800100025 (ERR-2,2.,3.) standard cross-sections uncertainties 3267800100026 (2-3%) 3267800100027 (ERR-3) weight of sample (0.1%) 3267800100028 (ERR-4) self-absorption of gamma-ray (1.%) 3267800100029 (ERR-5,1.,1.1) the coincidence sum effect of cascade 3267800100030 gamma-rays (1.0-1.1%), 3267800100031 (ERR-6,1.,1.2) sample geometry (1-1.2%) 3267800100032 (ERR-7,0.1,1.) the uncertainties of irradiation 3267800100033 cooling and measuring times (0.1-1%) 3267800100034 CORRECTION Corrections were made for gamma-ray self-absorption in 3267800100035 the sample, for gamma-gamma coincidence summing 3267800100036 effects, for fluctuation of the neutron flux during 3267800100037 the irradiation and for sample geometry. 3267800100038 STATUS (TABLE)Data taken from Table 2 in page 1368 of 3267800100039 J,NIM/B,vol.268,1367,201005. 3267800100040 HISTORY (20100907C) Compiled by Youxiang ZHUANG 3267800100041 ENDBIB 39 0 3267800100042 COMMON 3 3 3267800100043 ERR-1 ERR-3 ERR-4 3267800100044 PER-CENT PER-CENT PER-CENT 3267800100045 1.5 0.1 1. 3267800100046 ENDCOMMON 3 0 3267800100047 ENDSUBENT 46 0 3267800199999 SUBENT 32678002 20100910 31463267800200001 BIB 3 8 3267800200002 REACTION (39-Y-89(N,G)39-Y-90-M,,SIG) 3267800200003 SAMPLE The natural Y2O3 powder of 99.99% purity was compressed3267800200004 into a disk 20 mm in diameter and 3.52-5.44 mm in 3267800200005 thickness, which was then sandwiched between 0.28-0.36 3267800200006 mm thick niobium foils (purity better than 99.99%) of 3267800200007 the sample diameter, finally wrapped in 1 mm thick 3267800200008 cadmium foil. 3267800200009 DECAY-DATA (39-Y-90-M,3.19HR,DG,479.51,0.9074) 3267800200010 ENDBIB 8 0 3267800200011 NOCOMMON 0 0 3267800200012 DATA 6 3 3267800200013 EN EN-ERR DATA ERR-T MONIT MONIT-ERR 3267800200014 MEV MEV MB MB MB MB 3267800200015 13.5 0.2 0.39 0.02 456.6 13.73267800200016 14.1 0.1 0.43 0.02 459.3 9.23267800200017 14.6 0.2 0.38 0.02 459.7 13.83267800200018 ENDDATA 5 0 3267800200019 ENDSUBENT 18 0 3267800299999 ENDENTRY 2 0 3267899999999