ENTRY 32707 20121101 31583270700000001 SUBENT 32707001 20121101 31583270700100001 BIB 14 41 3270700100002 TITLE Measurements and evaluations of 71Ga(n,g)72Ga and 3270700100003 180Hf(n,g)181Hf capture cross sections 3270700100004 AUTHOR (Jiang Li-yang, Li Jing-wen, Chen Xiong-jun, 3270700100005 Han Xiao-gang, Zhong Qi-ping, Yu Wei-xiang) 3270700100006 REFERENCE (J,CST,46,(6),641,2012) 3270700100007 INSTITUTE (3CPRAEP) 3270700100008 FACILITY (CCW,3CPRAEP) 600 kV, for d-D neutron. 3270700100009 (VDGT,3CPRAEP) 5SDH-2, for p-T neutron. 3270700100010 INC-SOURCE (D-D) Neutron energy 3 MeV 3270700100011 (P-T) Neutron energy 0.5-2 MeV 3270700100012 METHOD (ACTIV) The samples were irradiated for 12hrs. 3270700100013 DETECTOR (HPGE) 3270700100014 MONITOR (79-AU-197(N,G)79-AU-198,,SIG) 3270700100015 Standard cross sections taken from ENDF/B-VI. 3270700100016 DECAY-MON (79-AU-198,2.69517D,DG,411.80205,0.9558) 3270700100017 ERR-ANALYS (ERR-T) the total uncertainty (5.0%) 3270700100018 (MONIT-ERR) standard cross-sections uncertainties 3270700100019 (4.5%) 3270700100020 (ERR-1) detector efficiency (~0.8%) 3270700100021 (ERR-2,,0.1) branch ratios (<0.1%) 3270700100022 (ERR-3,,,U) 72Ga/181Hf activities counting statistics 3270700100023 (1.0%) 3270700100024 (ERR-4,,0.2) Ga/Hf weight of samples (<0.2%) 3270700100025 (ERR-5) Au weight of samples (0.2%) 3270700100026 (ERR-6) self-absorption correction (0.5%) 3270700100027 (ERR-7) transition coefficients of detector efficiency 3270700100028 (0.5%) 3270700100029 (ERR-8) irradiation geometry (0.3%) 3270700100030 (ERR-9) correction of M-C calculation (0.5%) 3270700100031 (ERR-10,,,U) 198Au activities counting statistics 3270700100032 (1.0%) 3270700100033 CORRECTION Corrections were made for cascade gamma rays, 3270700100034 gamma-ray self-absorption in the sample, fluctuation 3270700100035 of detector efficiency with different thickness 3270700100036 samples, scattering neutron form environment, and 3270700100037 fluctuation of the neutron flux during the 3270700100038 irradiation. 3270700100039 STATUS (TABLE)Data taken from Table 4 in page 644 of 3270700100040 J,CST,Vol.46,p.641,2012. 3270700100041 HISTORY (20121101C) Compiled by ZHUANG Youxiang and 3270700100042 CHEN Guochang (CNDC). 3270700100043 ENDBIB 41 0 3270700100044 COMMON 9 6 3270700100045 MONIT-ERR ERR-1 ERR-3 ERR-5 ERR-6 ERR-7 3270700100046 ERR-8 ERR-9 ERR-10 3270700100047 PER-CENT PER-CENT PER-CENT PER-CENT PER-CENT PER-CENT 3270700100048 PER-CENT PER-CENT PER-CENT 3270700100049 4.5 0.8 1.0 0.2 0.5 0.5 3270700100050 0.3 0.5 1.0 3270700100051 ENDCOMMON 6 0 3270700100052 ENDSUBENT 51 0 3270700199999 SUBENT 32707002 20121101 31583270700200001 BIB 3 6 3270700200002 REACTION (31-GA-71(N,G)31-GA-72,,SIG) 3270700200003 SAMPLE The natural Ga2O3 powder of chemical purity was 3270700200004 compressed into a disk 20 mm in diameter and around 1 3270700200005 gram in weight, which was then sandwiched between 3270700200006 metal Au foils(99.9%,purity). 3270700200007 DECAY-DATA (31-GA-72,13.95HR,DG,834.01,0.9563) 3270700200008 ENDBIB 6 0 3270700200009 NOCOMMON 0 0 3270700200010 DATA 5 4 3270700200011 EN EN-ERR DATA ERR-T MONIT 3270700200012 MEV MEV MB MB MB 3270700200013 0.62 0.11 18.1 0.9 105.1 3270700200014 1.02 0.10 13.0 0.6 79.68 3270700200015 1.94 0.08 6.55 0.34 55.26 3270700200016 2.98 0.26 5.22 0.27 25.14 3270700200017 ENDDATA 6 0 3270700200018 ENDSUBENT 17 0 3270700299999 SUBENT 32707003 20121101 31583270700300001 BIB 3 6 3270700300002 REACTION (72-HF-180(N,G)72-HF-181,,SIG) 3270700300003 SAMPLE The natural Hf metal foil of 99.99% purity was made 3270700300004 into a disk 20 or 26 mm in diameter and ~1 mm in 3270700300005 thickness, which was then sandwiched between metal Au 3270700300006 foils(99.9%,purity). 3270700300007 DECAY-DATA (72-HF-181,42.39D,DG,482.182,0.805) 3270700300008 ENDBIB 6 0 3270700300009 NOCOMMON 0 0 3270700300010 DATA 5 4 3270700300011 EN EN-ERR DATA ERR-T MONIT 3270700300012 MEV MEV MB MB MB 3270700300013 0.45 0.10 36.2 1.8 146.2 3270700300014 1.02 0.10 43.8 2.2 79.68 3270700300015 1.94 0.08 30.6 1.5 55.26 3270700300016 2.98 0.26 19.3 1.0 25.14 3270700300017 ENDDATA 6 0 3270700300018 ENDSUBENT 17 0 3270700399999 ENDENTRY 3 0 3270799999999