ENTRY 31484 20150524 31703148400000001 SUBENT 31484001 20150524 31703148400100001 BIB 13 34 3148400100002 TITLE Cross sections of 14 MeV neutron induced reactions on 3148400100003 wolfram isotopes 3148400100004 INSTITUTE (3CPRLNZ) 3148400100005 REFERENCE ((R,INDC(CPR)-042,9,1997)=(J,CNDP,17,9,1997)) 3148400100006 (J,JRN,227,15,1998) Same 182W(n,x)178m2Hf data given 3148400100007 AUTHOR (Kong Xiangzhong, Hu Shangbin, Yang Jingkang) 3148400100008 FACILITY (NGEN,3CPRLNZ) ZF-300-II intense neutron generator 3148400100009 INC-SOURCE (D-T) T-Ti target (0.9 mg/cm2 thick) with 125 keV 3148400100010 deuterons (~20 mA). 3148400100011 The neutron energy at each angle with respect to the 3148400100012 deuteron beam axis was determined by the method of 3148400100013 cross-section ratios for 90Zr(n,2n)89Zr and 3148400100014 92Nb(n,2n)92mNb reactions. 3148400100015 SAMPLE Natural W metal foil (20 mm in diam., 2 mm thick, 3148400100016 chemical purity of 99.9%) sandwiched between two Fe 3148400100017 (20 mm in diam., 0.5 mm thick, chemical purity of 3148400100018 99.95%) or Nb (20 mm in diam., 0.2 mm thick, chemical 3148400100019 purity of 99.9%) foils. 3148400100020 METHOD (ACTIV) Irradiated for 5.1 to 100.48 hr 3148400100021 DETECTOR (HPGE) CH8403 coaxial high-purity Ge detector 3148400100022 MONITOR 1(26-FE-54(N,P)25-MN-54,,SIG) 3148400100023 2(41-NB-93(N,2N)41-NB-92-M,,SIG) 3148400100024 DECAY-MON 1(25-MN-54,312.20D,DG,834.826,0.99975) 3148400100025 2(41-NB-92-M,10.15D,DG,934.53,0.99) 3148400100026 CORRECTION Corrected for 3148400100027 - neutron intensity fluctuation, 3148400100028 - gamma-ray self-absorption in the sample 3148400100029 - sum peak effects 3148400100030 - counting geometry 3148400100031 etc. 3148400100032 HISTORY (19970919C) HW 3148400100033 (20030122U) ML:changed reference to journal;additional 3148400100034 small revisions (dates,lower case) 3148400100035 (20150524A) On. JRN article added. ERR-T -> DATA-ERR. 3148400100036 ENDBIB 34 0 3148400100037 NOCOMMON 0 0 3148400100038 ENDSUBENT 37 0 3148400199999 SUBENT 31484002 20150524 31703148400200001 BIB 6 12 3148400200002 REACTION (74-W-182(N,P)73-TA-182,,SIG) 3148400200003 SAMPLE (74-W-182,NAT=0.263) 3148400200004 DECAY-DATA (73-TA-182-G,115.0D,DG,1121.302,0.347) 3148400200005 ERR-ANALYS (DATA-ERR) The errors reported are from 3148400200006 - counting statistics 3148400200007 - standard cross sections 3148400200008 - detector efficiency 3148400200009 - weighting of samples 3148400200010 - self-absorption of gamma-rays 3148400200011 - coincidence sum effect of cascade gamma-rays. 3148400200012 STATUS (TABLE) Table 2 of Comm.Nucl.Data Prog.17(1997)9 3148400200013 HISTORY (20150524A) On. ERR-T -> DATA-ERR 3148400200014 ENDBIB 12 0 3148400200015 NOCOMMON 0 0 3148400200016 DATA 4 5 3148400200017 EN EN-ERR DATA DATA-ERR 3148400200018 MEV MEV MB MB 3148400200019 13.5 0.2 2.25 0.11 3148400200020 13.7 0.2 2.62 0.12 3148400200021 14.2 0.2 3.09 0.15 3148400200022 14.5 0.2 4.08 0.20 3148400200023 14.7 0.2 4.47 0.22 3148400200024 ENDDATA 7 0 3148400200025 ENDSUBENT 24 0 3148400299999 SUBENT 31484003 20150524 31703148400300001 BIB 6 12 3148400300002 REACTION (74-W-184(N,P)73-TA-184,,SIG) 3148400300003 SAMPLE (74-W-184,NAT=0.3067) 3148400300004 DECAY-DATA (73-TA-184,8.7HR,DG,414.04,0.739) 3148400300005 ERR-ANALYS (DATA-ERR) The errors reported are from 3148400300006 - counting statistics 3148400300007 - standard cross sections 3148400300008 - detector efficiency 3148400300009 - weighting of samples 3148400300010 - self-absorption of gamma-rays 3148400300011 - coincidence sum effect of cascade gamma-rays. 3148400300012 STATUS (TABLE) Table 2 of Comm.Nucl.Data Prog.17(1997)9 3148400300013 HISTORY (20150524A) On. ERR-T -> DATA-ERR 3148400300014 ENDBIB 12 0 3148400300015 NOCOMMON 0 0 3148400300016 DATA 4 5 3148400300017 EN EN-ERR DATA DATA-ERR 3148400300018 MEV MEV MB MB 3148400300019 13.5 0.2 1.65 0.08 3148400300020 13.7 0.2 1.92 0.09 3148400300021 14.2 0.2 2.25 0.11 3148400300022 14.5 0.2 2.97 0.14 3148400300023 14.7 0.2 3.25 0.16 3148400300024 ENDDATA 7 0 3148400300025 ENDSUBENT 24 0 3148400399999 SUBENT 31484004 20150524 31703148400400001 BIB 6 12 3148400400002 REACTION (74-W-186(N,A)72-HF-183,,SIG) 3148400400003 SAMPLE (74-W-186,NAT=0.286) 3148400400004 DECAY-DATA (72-HF-183,1.067HR,DG,783.753,0.65) 3148400400005 ERR-ANALYS (DATA-ERR) The errors reported are from 3148400400006 - counting statistics 3148400400007 - standard cross sections 3148400400008 - detector efficiency 3148400400009 - weighting of samples 3148400400010 - self-absorption of gamma-rays 3148400400011 - coincidence sum effect of cascade gamma-rays. 3148400400012 STATUS (TABLE) Table 2 of Comm.Nucl.Data Prog.17(1997)9 3148400400013 HISTORY (20150524A) On. ERR-T -> DATA-ERR 3148400400014 ENDBIB 12 0 3148400400015 NOCOMMON 0 0 3148400400016 DATA 4 5 3148400400017 EN EN-ERR DATA DATA-ERR 3148400400018 MEV MEV MB MB 3148400400019 13.5 0.2 0.30 0.06 3148400400020 13.7 0.2 0.34 0.08 3148400400021 14.2 0.2 0.45 0.09 3148400400022 14.5 0.2 0.57 0.10 3148400400023 14.7 0.2 0.62 0.11 3148400400024 ENDDATA 7 0 3148400400025 ENDSUBENT 24 0 3148400499999 SUBENT 31484005 20150524 31703148400500001 BIB 6 12 3148400500002 REACTION (74-W-182(N,2N)74-W-181,,SIG) 3148400500003 SAMPLE (74-W-182,NAT=0.263) 3148400500004 DECAY-DATA (74-W-181,121.2D,DG,152.214,0.00084) 3148400500005 ERR-ANALYS (DATA-ERR) The errors reported are from 3148400500006 - counting statistics 3148400500007 - standard cross sections 3148400500008 - detector efficiency 3148400500009 - weighting of samples 3148400500010 - self-absorption of gamma-rays 3148400500011 - coincidence sum effect of cascade gamma-rays. 3148400500012 STATUS (TABLE) Table 2 of Comm.Nucl.Data Prog.17(1997)9 3148400500013 HISTORY (20150524A) On. ERR-T -> DATA-ERR 3148400500014 ENDBIB 12 0 3148400500015 NOCOMMON 0 0 3148400500016 DATA 4 5 3148400500017 EN EN-ERR DATA DATA-ERR 3148400500018 MEV MEV MB MB 3148400500019 13.5 0.2 2050. 70. 3148400500020 13.7 0.2 2065. 73. 3148400500021 14.2 0.2 2115. 75. 3148400500022 14.5 0.2 2110. 75. 3148400500023 14.7 0.2 2097. 73. 3148400500024 ENDDATA 7 0 3148400500025 ENDSUBENT 24 0 3148400599999 SUBENT 31484006 20150524 31703148400600001 BIB 6 12 3148400600002 REACTION (74-W-186(N,2N)74-W-185,,SIG) 3148400600003 SAMPLE (74-W-186,NAT=0.286) 3148400600004 DECAY-DATA (74-W-185-G,75.1D,DG,125.354,0.00019) 3148400600005 ERR-ANALYS (DATA-ERR) The errors reported are from 3148400600006 - counting statistics 3148400600007 - standard cross sections 3148400600008 - detector efficiency 3148400600009 - weighting of samples 3148400600010 - self-absorption of gamma-rays 3148400600011 - coincidence sum effect of cascade gamma-rays. 3148400600012 STATUS (TABLE) Table 2 of Comm.Nucl.Data Prog.17(1997)9 3148400600013 HISTORY (20150524A) On. ERR-T -> DATA-ERR 3148400600014 ENDBIB 12 0 3148400600015 NOCOMMON 0 0 3148400600016 DATA 4 5 3148400600017 EN EN-ERR DATA DATA-ERR 3148400600018 MEV MEV MB MB 3148400600019 13.5 0.2 1955. 89. 3148400600020 13.7 0.2 1960. 89. 3148400600021 14.2 0.2 1995. 90. 3148400600022 14.5 0.2 1985. 90. 3148400600023 14.7 0.2 1975. 90. 3148400600024 ENDDATA 7 0 3148400600025 ENDSUBENT 24 0 3148400699999 SUBENT 31484007 20150524 31703148400700001 BIB 6 14 3148400700002 REACTION (74-W-182(N,N+A)72-HF-178-M2,,SIG) 3148400700003 SAMPLE (74-W-182,NAT=0.263) 3148400700004 DECAY-DATA (72-HF-178-M2,31.YR,DG,574.18,0.837) 3148400700005 ERR-ANALYS (ERR-T) Total uncertainty propagated from 3148400700006 (MONIT-ERR) Standard cross section (3.7%)3148400700007 (ERR-1) Gamma-ray self-absorption (1.0%)3148400700008 (ERR-2) Weight and purity of sample (0.15%)3148400700009 (ERR-3) Efficiency of gamma-ray full energy peak (2.0%)3148400700010 (ERR-4) Full peak area analysis (25.5%)3148400700011 (ERR-5) Correction of sum peak (6.9%)3148400700012 (ERR-6) Fluctuation of neutron fluence (6.8%)3148400700013 (ERR-7) Neutron scattering (2.0%)3148400700014 STATUS (TABLE) Table 3 of J.Radioanal.Nucl.Chem.227(1998)15 3148400700015 HISTORY (20150524A) On. Partial uncertainties added. 3148400700016 ENDBIB 14 0 3148400700017 COMMON 8 6 3148400700018 MONIT-ERR ERR-1 ERR-2 ERR-3 ERR-4 ERR-5 3148400700019 ERR-6 ERR-7 3148400700020 PER-CENT PER-CENT PER-CENT PER-CENT PER-CENT PER-CENT 3148400700021 PER-CENT PER-CENT 3148400700022 3.7 1.0 0.15 2.0 25.5 6.9 3148400700023 6.8 2.0 3148400700024 ENDCOMMON 6 0 3148400700025 DATA 4 1 3148400700026 EN EN-ERR DATA ERR-T 3148400700027 MEV MEV MB MB 3148400700028 14.7 0.2 0.018 0.005 3148400700029 ENDDATA 3 0 3148400700030 ENDSUBENT 29 0 3148400799999 ENDENTRY 7 0 3148499999999