ENTRY 21879 20211225 23062187900000001 SUBENT 21879001 20211225 23062187900100001 BIB 14 43 2187900100002 TITLE Absolute neutron cross section measurements in the 2187900100003 energy range between 2 and 5 MeV 2187900100004 AUTHOR (H.A.Hussain,S.E.Hunt) 2187900100005 INSTITUTE (2UK BIA) Department of Physics, University of Aston, 2187900100006 Birmingham. 2187900100007 REFERENCE (J,ARI,34,731,1983) Main reference 2187900100008 (P,NEANDC(E)-242,(8),94,1983) abstr., Data in table 2187900100009 FACILITY (DYNAM,2UK BIA) The dynamitron accelerator at the Joint2187900100010 Birmingham Radiation Centre. 2187900100011 INC-SOURCE (D-D) Deuterated titanium target. Energy of incoming 2187900100012 deuterons 2 MeV. The neutron energy was varied by 2187900100013 varying the angle subtended by the sample at the targe2187900100014 with respect to the incident beam. 2187900100015 SAMPLE Thin discs either 1 or 2 cm in diameter. 2187900100016 METHOD (ACTIV) 2187900100017 DETECTOR (NAICR) 3 * 3 Inch NaI-detector for measuring gamma 2187900100018 rays from the activated samples. 2187900100019 (SIBAR) Silicon surface detector for proton detections 2187900100020 of the neutron flux monitoring reaction D(d,p)H-3. 2187900100021 ANALYSIS The neutron flux was estimated by detecting protons 2187900100022 from the d(d,p)H-3 reaction with a surface barrier 2187900100023 detector placed at right angles with the incoming 2187900100024 beam. 2187900100025 The photopeak efficiency of the gamma detector was 2187900100026 estimated from (crosjean+,table of absolute detection 2187900100027 efficiencies of cylindrical scintillation gamma-ray 2187900100028 detectors, univ. Of ghent,1965) and (heath, A.E.C. 2187900100029 Research and Development report Physics,2nd edn., 2187900100030 Vol 1, IDO-16880-1, Phillips Petroleum Company, 2187900100031 Atomic Energy Division, 1964) 2187900100032 CORRECTION For 2187900100033 - attenuation of incident neutrons 2187900100034 - self absorption of the emitted gamma rays 2187900100035 - different angular distributions of the reactions 2187900100036 D(d,n)He-3 and D(d,p)H-3. 2187900100037 ERR-ANALYS (ERR-T) Total uncertainty includes: 2187900100038 (ERR-1) angular distribution 2187900100039 (ERR-3) detection efficiency for gammas 2187900100040 (ERR-4) self absorption 2187900100041 STATUS (TABLE) Table 2 from Appl.Radiot.lsoc,34(1983)731 2187900100042 HISTORY (19831214C) A.L. 2187900100043 (20211225U) SD:Updated to new date formats,lower case. 2187900100044 Corrections in all Subents. 2187900100045 ENDBIB 43 0 2187900100046 COMMON 3 3 2187900100047 ERR-1 ERR-3 ERR-4 2187900100048 PER-CENT PER-CENT PER-CENT 2187900100049 0.77 3. 0.7 2187900100050 ENDCOMMON 3 0 2187900100051 ENDSUBENT 50 0 2187900199999 SUBENT 21879002 20211225 23062187900200001 BIB 5 8 2187900200002 REACTION (13-AL-27(N,P)12-MG-27,,SIG) 2187900200003 DECAY-DATA (12-MG-27,,DG,840.) 2187900200004 ERR-ANALYS Uncertainty in 2187900200005 (ERR-2,0.5,0.9) proton counting statistics 2187900200006 (ERR-S,0.6,3.) gamma counting statistics 2187900200007 STATUS (TABLE) Table 2 from Appl.Radiot.Isot.,34(1983)731 2187900200008 HISTORY (20211225U) SD: STATUS moved to Subent 001. 2187900200009 ERR-ANALYS updated. DATA-ERR -> ERR-T. 2187900200010 ENDBIB 8 0 2187900200011 COMMON 1 3 2187900200012 ERR-T 2187900200013 PER-CENT 2187900200014 4.0 2187900200015 ENDCOMMON 3 0 2187900200016 DATA 3 13 2187900200017 EN EN-RSL DATA 2187900200018 MEV MEV B 2187900200019 2.992 0.32 0.00171 2187900200020 3.115 0.36 0.00375 2187900200021 3.237 0.40 0.00374 2187900200022 3.356 0.46 0.00511 2187900200023 3.586 0.56 0.00606 2187900200024 3.700 0.60 0.00589 2187900200025 3.816 0.64 0.00630 2187900200026 3.933 0.68 0.00955 2187900200027 4.049 0.70 0.0118 2187900200028 4.159 0.72 0.0117 2187900200029 4.259 0.74 0.0106 2187900200030 4.463 0.76 0.0174 2187900200031 4.504 0.76 0.0204 2187900200032 ENDDATA 15 0 2187900200033 ENDSUBENT 32 0 2187900299999 SUBENT 21879003 20211225 23062187900300001 BIB 5 8 2187900300002 REACTION (22-TI-47(N,P)21-SC-47,,SIG) 2187900300003 DECAY-DATA (21-SC-47,,DG,470.) 2187900300004 ERR-ANALYS Uncertainty in 2187900300005 (ERR-2,0.5,0.9) proton counting statistics 2187900300006 (ERR-S,0.6,3.) gamma counting statistics 2187900300007 STATUS (TABLE) Table 2 from Appl.Radiot.lsoc,34(1983)731 2187900300008 HISTORY (20211225U) SD: STATUS moved to Subent 001. 2187900300009 ERR-ANALYS updated. DATA-ERR -> ERR-T. 2187900300010 ENDBIB 8 0 2187900300011 COMMON 1 3 2187900300012 ERR-T 2187900300013 PER-CENT 2187900300014 4.0 2187900300015 ENDCOMMON 3 0 2187900300016 DATA 3 15 2187900300017 EN EN-RSL DATA 2187900300018 MEV MEV B 2187900300019 2.351 0.08 0.0372 2187900300020 2.442 0.09 0.0312 2187900300021 2.757 0.24 0.0373 2187900300022 2.992 0.32 0.0405 2187900300023 3.115 0.36 0.0407 2187900300024 3.356 0.46 0.0502 2187900300025 3.472 0.52 0.0565 2187900300026 3.586 0.56 0.0595 2187900300027 3.7 0.60 0.0685 2187900300028 3.816 0.64 0.0612 2187900300029 3.933 0.68 0.0613 2187900300030 4.049 0.70 0.0641 2187900300031 4.159 0.72 0.0638 2187900300032 4.344 0.76 0.068 2187900300033 4.413 0.76 0.0672 2187900300034 ENDDATA 17 0 2187900300035 ENDSUBENT 34 0 2187900399999 SUBENT 21879004 20211225 23062187900400001 BIB 5 8 2187900400002 REACTION (28-NI-58(N,P)27-CO-58,,SIG) 2187900400003 DECAY-DATA (27-CO-58,,DG,810.) 2187900400004 ERR-ANALYS Uncertainty in 2187900400005 (ERR-2,0.5,0.9) proton counting statistics 2187900400006 (ERR-S,0.6,3.) gamma counting statistics 2187900400007 STATUS (TABLE) Table 2 from Appl.Radiot.lsoc,34(1983)731 2187900400008 HISTORY (20211225U) SD: STATUS moved to Subent 001. 2187900400009 ERR-ANALYS updated. DATA-ERR -> ERR-T. 2187900400010 ENDBIB 8 0 2187900400011 COMMON 1 3 2187900400012 ERR-T 2187900400013 PER-CENT 2187900400014 4.0 2187900400015 ENDCOMMON 3 0 2187900400016 DATA 3 17 2187900400017 EN EN-RSL DATA 2187900400018 MEV MEV B 2187900400019 2.351 0.08 0.086 2187900400020 2.442 0.09 0.1027 2187900400021 2.552 0.14 0.122 2187900400022 2.757 0.24 0.1403 2187900400023 2.871 0.27 0.1541 2187900400024 3.115 0.36 0.1885 2187900400025 3.237 0.4 0.2137 2187900400026 3.356 0.46 0.2376 2187900400027 3.472 0.52 0.246 2187900400028 3.586 0.56 0.279 2187900400029 3.816 0.64 0.305 2187900400030 3.933 0.68 0.365 2187900400031 4.049 0.7 0.342 2187900400032 4.259 0.74 0.382 2187900400033 4.344 0.76 0.4014 2187900400034 4.413 0.76 0.405 2187900400035 4.463 0.76 0.421 2187900400036 ENDDATA 19 0 2187900400037 ENDSUBENT 36 0 2187900499999 SUBENT 21879005 20211225 23062187900500001 BIB 5 8 2187900500002 REACTION (30-ZN-64(N,P)29-CU-64,,SIG) 2187900500003 DECAY-DATA (29-CU-64,,AR,511.) 2187900500004 ERR-ANALYS Uncertainty in 2187900500005 (ERR-2,0.5,0.9) proton counting statistics 2187900500006 (ERR-S,0.6,3.) gamma counting statistics 2187900500007 STATUS (TABLE) Table 2 from Appl.Radiot.lsoc,34(1983)731 2187900500008 HISTORY (20211225U) SD: STATUS moved to Subent 001. 2187900500009 ERR-ANALYS updated. DATA-ERR -> ERR-T. 2187900500010 ENDBIB 8 0 2187900500011 COMMON 1 3 2187900500012 ERR-T 2187900500013 PER-CENT 2187900500014 4.0 2187900500015 ENDCOMMON 3 0 2187900500016 DATA 3 13 2187900500017 EN EN-RSL DATA 2187900500018 MEV MEV B 2187900500019 2.05 0.08 0.0094 2187900500020 2.116 0.08 0.0133 2187900500021 2.188 0.08 0.0102 2187900500022 2.266 0.08 0.0114 2187900500023 2.442 0.09 0.026 2187900500024 2.552 0.14 0.0317 2187900500025 2.871 0.27 0.0512 2187900500026 2.992 0.32 0.0569 2187900500027 3.472 0.52 0.07608 2187900500028 3.933 0.68 0.1047 2187900500029 4.259 0.74 0.1078 2187900500030 4.344 0.76 0.1121 2187900500031 4.504 0.76 0.1248 2187900500032 ENDDATA 15 0 2187900500033 ENDSUBENT 32 0 2187900599999 SUBENT 21879006 20211225 23062187900600001 BIB 5 10 2187900600002 REACTION (49-IN-115(N,G)49-IN-116-M1,M+,SIG) 2187900600003 DECAY-DATA (49-IN-116-M1,,DG,1090.) 2187900600004 ERR-ANALYS Uncertainty in 2187900600005 (ERR-2,0.5,0.9) proton counting statistics 2187900600006 (ERR-S,0.6,3.) gamma counting statistics 2187900600007 (ERR-5,7.,15.) activity induced by scattered neutr. 2187900600008 STATUS (TABLE) Table 2 from Appl.Radiot.lsoc,34(1983)731 2187900600009 HISTORY (19860808A)HH reaction string corrected 2187900600010 (20211225U) SD: STATUS moved to Subent 001. 2187900600011 ERR-ANALYS updated. DATA-ERR -> ERR-T. 2187900600012 ENDBIB 10 0 2187900600013 COMMON 1 3 2187900600014 ERR-T 2187900600015 PER-CENT 2187900600016 16. 2187900600017 ENDCOMMON 3 0 2187900600018 DATA 3 10 2187900600019 EN EN-RSL DATA 2187900600020 MEV MEV B 2187900600021 2.442 0.09 0.14 2187900600022 2.539 0.12 0.1235 2187900600023 2.871 0.27 0.102 2187900600024 3.115 0.36 0.089 2187900600025 3.356 0.46 0.0732 2187900600026 3.7 0.6 0.0459 2187900600027 3.933 0.68 0.0432 2187900600028 4.159 0.72 0.0408 2187900600029 4.344 0.76 0.033 2187900600030 4.504 0.76 0.0292 2187900600031 ENDDATA 12 0 2187900600032 ENDSUBENT 31 0 2187900699999 SUBENT 21879007 20211225 23062187900700001 BIB 4 8 2187900700002 REACTION (79-AU-197(N,G)79-AU-198,,SIG) 2187900700003 DECAY-DATA (79-AU-198,,DG,142.) 2187900700004 ERR-ANALYS Uncertainty in 2187900700005 (ERR-2,0.5,0.9) proton counting statistics 2187900700006 (ERR-S,0.6,3.) gamma counting statistics 2187900700007 (ERR-5,7.,15.) activity induced by scattered neutr. 2187900700008 HISTORY (20211225U) SD: STATUS moved to Subent 001. 2187900700009 ERR-ANALYS updated. DATA-ERR -> ERR-T. 2187900700010 ENDBIB 8 0 2187900700011 COMMON 1 3 2187900700012 ERR-T 2187900700013 PER-CENT 2187900700014 8.5 2187900700015 ENDCOMMON 3 0 2187900700016 DATA 3 7 2187900700017 EN EN-RSL DATA 2187900700018 MEV MEV B 2187900700019 2.116 0.08 0.0539 2187900700020 2.266 0.08 0.0452 2187900700021 2.341 0.08 0.041 2187900700022 2.442 0.09 0.0371 2187900700023 2.871 0.27 0.0262 2187900700024 3.237 0.4 0.021 2187900700025 3.586 0.56 0.0207 2187900700026 ENDDATA 9 0 2187900700027 ENDSUBENT 26 0 2187900799999 ENDENTRY 7 0 2187999999999