ENTRY 32735 20180419 31843273500000001 SUBENT 32735001 20180419 31843273500100001 BIB 16 58 3273500100002 TITLE Determination of the cross section for (n,p) reaction 3273500100003 with producing short-lived nuclei on the 162,163Dy 3273500100004 isotopes at 13.5 and 14.8 MeV 3273500100005 AUTHOR (Junhua Luo, Zhifu Feng, Li An, Li Jiang, Long He) 3273500100006 INSTITUTE (3CPRHXU,3CPRNPC) 3273500100007 (3CPRCPR) Zhangye No.1 Middle School, Zhangye 3273500100008 REFERENCE (J,RPC,123,109,2016) 3273500100009 FACILITY (NGEN,3CPRNPC) PD-300 neutron generator 3273500100010 SAMPLE About 10 gram of Dy2O3 (99.995% purity) powder was 3273500100011 pressed at 980 MPa, and thin 20 mm diameter samples 3273500100012 were obtained. 3273500100013 The samples were irradiated in contact with the target,3273500100014 sandwiched between standard Nb foils (99.999% purity, 3273500100015 0.5 mm thick) of the same diameter utilized to 3273500100016 monitor the neutron fluence via the 93Nb(n,2n)92mNb 3273500100017 reaction. 3273500100018 The groups of samples were placed at 0 deg or 135 deg 3273500100019 relative to the beam direction and were centered about3273500100020 the tritium-titanium (T-Ti) target at distances of 3273500100021 about 40 mm. 3273500100022 INC-SOURCE (D-T) A T-Ti target was used in the generator, with a 3273500100023 thickness of 2.40 mg/cm2, and the diameter of the 3273500100024 active zone was 12 mm. Neutrons were produced with an 3273500100025 effective deuteron beam energy of 134 keV and beam 3273500100026 current of 260 uA. 3273500100027 DETECTOR (HPGE) The gamma ray activities of 162Tb, 163Tb and 3273500100028 93mNb were determined by a high-purity germanium 3273500100029 detector (ORTEC, model GEM 60P, crystal diameter: 3273500100030 70.1 mm, crystal length: 72.3 mm) with a relative 3273500100031 efficiency of about 68% and an energy resolution of 3273500100032 1.69 keV at 1.332 MeV for 60Co. 3273500100033 The efficiency of the detector was measured using 3273500100034 various standard gamma sources, namely Co-57, Co-60, 3273500100035 Cd-109, Ba-133, Cs-137, Eu-152, Am-241 and Ra-226. 3273500100036 Standard Reference Material QCR9110 was obtained from 3273500100037 China Institute of Atomic Energy (CIAE), scope of 3273500100038 activity is 3.04E4 to 4.26E4 Bq. 3273500100039 (SIBAR) An Au-Si surface barrier detector was located 3273500100040 at 135 degree to accompany the a-particle tube placed 3273500100041 at a distance of 1.10 m from the target. 3273500100042 METHOD (ACTIV) Irradiation of the samples was lasted about 3273500100043 60 min with a yield about 3 to 4E10 n/(4pi*s). 3273500100044 MONITOR (41-NB-93(N,2N)41-NB-92-M,,SIG) 3273500100045 DECAY-MON (41-NB-92-M,10.15D,DG,934.44,0.9915) 3273500100046 MONIT-REF (,M.Wagner+,B,PH-DAT,13-5,,1990) 3273500100047 CORRECTION Corrections were made for the self-absorption of the 3273500100048 sample at a given gamma-energy, in the counting 3273500100049 geometry, and the coincidence sum effect of cascade 3273500100050 gamma-rays in the investigated nuclide (162,163Tb). 3273500100051 ERR-ANALYS (ERR-T) Total uncertainty 3273500100052 (ERR-1,11.,17.) Counting statistics 11-17% 3273500100053 (ERR-2,2.,4.) Detector efficiency 2-4% 3273500100054 (ERR-3) Weight of samples 0.1% 3273500100055 (ERR-4) Self-absorption of gamma-ray 1% 3273500100056 (ERR-5,0.1,1.) The cooling and measuring times 0.1-1% 3273500100057 STATUS (TABLE) Table 3 of Rad.Phys.Chem.123(2016)109 3273500100058 HISTORY (20170510C) Compiled by Xi Tao (CNDC) 3273500100059 (20180419U) On. REFERENCE: IPC -> RPC 3273500100060 ENDBIB 58 0 3273500100061 COMMON 2 3 3273500100062 ERR-3 ERR-4 3273500100063 PER-CENT PER-CENT 3273500100064 0.1 1. 3273500100065 ENDCOMMON 3 0 3273500100066 ENDSUBENT 65 0 3273500199999 SUBENT 32735002 20170510 31793273500200001 BIB 3 3 3273500200002 REACTION (66-DY-162(N,P)65-TB-162,,SIG) 3273500200003 DECAY-DATA (65-TB-162,7.60MIN,DG,260.05,0.82) 3273500200004 SAMPLE (66-DY-162,NAT=0.25475) 3273500200005 ENDBIB 3 0 3273500200006 NOCOMMON 0 0 3273500200007 DATA 6 2 3273500200008 EN EN-ERR DATA ERR-T MONIT MONIT-ERR 3273500200009 MEV MEV MB MB MB MB 3273500200010 13.5 0.2 4.7 0.8 457.9 6.83273500200011 14.8 0.2 5.6 0.9 459.7 5.03273500200012 ENDDATA 4 0 3273500200013 ENDSUBENT 12 0 3273500299999 SUBENT 32735003 20170511 31793273500300001 BIB 3 3 3273500300002 REACTION (66-DY-163(N,P)65-TB-163,,SIG) 3273500300003 DECAY-DATA (65-TB-163,19.5MIN,DG,351.2,0.27) 3273500300004 SAMPLE (66-DY-163,NAT=0.24896) 3273500300005 ENDBIB 3 0 3273500300006 NOCOMMON 0 0 3273500300007 DATA 6 2 3273500300008 EN EN-ERR DATA ERR-T MONIT MONIT-ERR 3273500300009 MEV MEV MB MB MB MB 3273500300010 13.5 0.2 1.6 0.3 457.9 6.83273500300011 14.8 0.2 2.8 0.5 459.7 5.03273500300012 ENDDATA 4 0 3273500300013 ENDSUBENT 12 0 3273500399999 ENDENTRY 3 0 3273599999999