ENTRY 32675 20101012 31483267500000001 SUBENT 32675001 20101012 31483267500100001 BIB 16 53 3267500100002 TITLE Measurement of neutron-induced activation cross 3267500100003 sections of lanthanum at 14.8 MeV 3267500100004 AUTHOR (Junhua Luo,Chenghu Li,Zhenlai Liu,Xinxing Wang, 3267500100005 Rong Liu,Li Jiang) 3267500100006 INSTITUTE (3CPRHXU) Department of Physics, Hexi Univ. 3267500100007 (3CPRNPC) Institute of Nuclear Physics and Chemistry, 3267500100008 Chinese Academy of Engineering Physics (Mianyang city, 3267500100009 Sichuan Province) 3267500100010 REFERENCE (J,JRN,283,421,2010) 3267500100011 #doi:10.1007/s10967-009-0396-9 3267500100012 FACILITY (NGEN,3CPRNPC) Pd-300 neutron generator at Chinese 3267500100013 Academy of Engineering Physics (CAEP) 3267500100014 SAMPLE (57-LA-139,NAT=0.99910)About 4 gram La2O3 powder of 3267500100015 natural isotopic composition sample(>99.99% purity). 3267500100016 DETECTOR (HPGE) The crystal geometry is 70.1 x 72.3 mm in 3267500100017 diameter and lenght. The relative efficiency is about 3267500100018 68%, and energy resolution is 1.69 keV at 1332 keV 3267500100019 gamma ray from Co-60. 3267500100020 METHOD (ACTIV) 3267500100021 MONITOR ((MONIT)13-AL-27(N,A)11-NA-24,,SIG) 3267500100022 DECAY-MON (11-NA-24,14.959HR,DG,1368.6,1.00) 3267500100023 MONIT-REF (,M.Wagner+,B,PH-DAT,13-5,1990) 3267500100024 The cross section of monitor reaction were interpolate 3267500100025 the evaluated values of the reference as "Physik Daten 3267500100026 - Physics Data, Evaluation of Cross Sections for 14 3267500100027 Important Neutron-Dosimetry Reactions. 3267500100028 Fachinformationszentrum Karlsruhe, Gesellschaft fur 3267500100029 wissenschaftlich-technische Information mbH, Federal 3267500100030 Republic of Germany, No. 13-5 (1990)". 3267500100031 INC-SOURCE (D-T) The tritium-titanium (T-Ti) target used in the 3267500100032 generator was 2.40 mg/cm2 thick. 3267500100033 ERR-ANALYS (ERR-S,0.5,38.) Counting statistics is between 0.5% 3267500100034 and 38%. 3267500100035 (ERR-1) Isotopic abundance (0.01 %) 3267500100036 (ERR-2,2.,3.) Detector efficiency (2%-3%) 3267500100037 (ERR-3,1.,3.8) Relative gamma-ray intensity (1.0%-3.8%)3267500100038 (ERR-4,0.2,3.8) Half-life (0.2%-3.8%) 3267500100039 (ERR-5) Weight of sample (0.1%) 3267500100040 (ERR-6) Self-absorption of gamma-ray (about 0.5%) 3267500100041 (ERR-7,0.,5.) Coincidence sum effect of cascade 3267500100042 gamma-rays (0%-5%) 3267500100043 (ERR-8,0.1,1.0) Uncertainties of irradiation, cooling 3267500100044 and measuring times (0.1%- 1.0%) 3267500100045 CORRECTION The neutron flux was monitored by a uranium fission 3267500100046 chamber so that corrections were made for small 3267500100047 variations in the yield. The self-absorption of the 3267500100048 sample at a given gamma-energy, the coincidence sum 3267500100049 effect of cascade gamma-rays in the investigated 3267500100050 nuclide and in the counting geometry were taken into 3267500100051 account in data analysis, respectively. 3267500100052 STATUS (TABLE) All measured reactions data are taken from 3267500100053 Table3 at page 424 in J,JRN,283,2010. 3267500100054 HISTORY (20100925C)Compiled by Jimin WANG 3267500100055 ENDBIB 53 0 3267500100056 COMMON 7 6 3267500100057 ERR-1 ERR-5 ERR-6 EN EN-ERR MONIT 3267500100058 MONIT-ERR 3267500100059 PER-CENT PER-CENT PER-CENT MEV MEV MB 3267500100060 MB 3267500100061 0.01 0.1 0.5 14.8 0.2 111.90 3267500100062 0.44 3267500100063 ENDCOMMON 6 0 3267500100064 ENDSUBENT 63 0 3267500199999 SUBENT 32675002 20101012 31483267500200001 BIB 3 4 3267500200002 REACTION (57-LA-139(N,P)56-BA-139,,SIG) 3267500200003 DECAY-DATA (56-BA-139,83.06MIN,DG,165.864,0.237) 3267500200004 COMMENT Junhua Luo (2010-10-12) 3267500200005 month -> min in Table 1 of J,JRN,283,421,2010 3267500200006 ENDBIB 4 0 3267500200007 NOCOMMON 0 0 3267500200008 DATA 2 1 3267500200009 DATA ERR-T 3267500200010 MB MB 3267500200011 4.7 0.2 3267500200012 ENDDATA 3 0 3267500200013 ENDSUBENT 12 0 3267500299999 SUBENT 32675003 20101012 31483267500300001 BIB 2 2 3267500300002 REACTION (57-LA-139(N,A)55-CS-136,,SIG) 3267500300003 DECAY-DATA (55-CS-136,13.16D,DG,1048.07,0.8) 3267500300004 ENDBIB 2 0 3267500300005 NOCOMMON 0 0 3267500300006 DATA 2 1 3267500300007 DATA ERR-T 3267500300008 MB MB 3267500300009 1.2 0.2 3267500300010 ENDDATA 3 0 3267500300011 ENDSUBENT 10 0 3267500399999 SUBENT 32675004 20101012 31483267500400001 BIB 3 4 3267500400002 REACTION (57-LA-139(N,N+A)55-CS-135-M,,SIG) 3267500400003 DECAY-DATA (55-CS-135-M,53.MIN,DG,846.1,0.959) 3267500400004 COMMENT Junhua Luo (2010-10-12) 3267500400005 month -> min in Table 1 of J,JRN,283,421,2010 3267500400006 ENDBIB 4 0 3267500400007 NOCOMMON 0 0 3267500400008 DATA 2 1 3267500400009 DATA ERR-T 3267500400010 MB MB 3267500400011 0.7 0.2 3267500400012 ENDDATA 3 0 3267500400013 ENDSUBENT 12 0 3267500499999 SUBENT 32675005 20101012 31483267500500001 BIB 3 4 3267500500002 REACTION (57-LA-139(N,T)56-BA-137-M,,SIG) 3267500500003 DECAY-DATA (56-BA-137-M,2.552MIN,DG,661.660,0.9011) 3267500500004 COMMENT Junhua Luo (2010-10-12) 3267500500005 month -> min in Table 1 of J,JRN,283,421,2010 3267500500006 ENDBIB 4 0 3267500500007 NOCOMMON 0 0 3267500500008 DATA 2 1 3267500500009 DATA ERR-T 3267500500010 MB MB 3267500500011 0.020 0.004 3267500500012 ENDDATA 3 0 3267500500013 ENDSUBENT 12 0 3267500599999 SUBENT 32675006 20101012 31483267500600001 BIB 3 4 3267500600002 REACTION (57-LA-139(N,2P)55-CS-138,,SIG) 3267500600003 DECAY-DATA (55-CS-138,33.41MIN,DG,1009.78,0.298) 3267500600004 COMMENT Junhua Luo (2010-10-12) 3267500600005 month -> min in Table 1 of J,JRN,283,421,2010 3267500600006 ENDBIB 4 0 3267500600007 NOCOMMON 0 0 3267500600008 DATA 2 1 3267500600009 DATA ERR-T 3267500600010 MB MB 3267500600011 0.035 0.015 3267500600012 ENDDATA 3 0 3267500600013 ENDSUBENT 12 0 3267500699999 ENDENTRY 6 0 3267599999999