ENTRY 22913 20130203 22342291300000001 SUBENT 22913001 20130203 22342291300100001 BIB 13 38 2291300100002 TITLE .Measurements of activation cross sections for 2291300100003 the 19-F(n,alpha)N-16 reaction for neutrons with 2291300100004 energies between 13 and 15 MeV 2291300100005 AUTHOR (A.Durusoy, I.A.Reyhancan) 2291300100006 INSTITUTE (2TUKCNA) Cekmece Nuclear Research Centre, Istambul 2291300100007 REFERENCE (J,ANE,33,159,2006) 2291300100008 FACILITY (VDG,2TUKCNA) Neutron generator SAMES T-400 2291300100009 INC-SOURCE (D-T) 250keV accelerating voltage, 2291300100010 ion current 300 microAmpere 2291300100011 INC-SPECT .Angles of irradiation position to deuteron beam were 2291300100012 0, 30 ,60, 90, 120, 130 degrees. 2291300100013 Effective incident neutron energy was determined by 2291300100014 ratio 90Zr(n,2n)89Zr/93Nb(n,2n)92m-Nb cross sections 2291300100015 SAMPLE .Sample pellets of 13 mm in diameter and 8,5 mm in 2291300100016 thickness were made of pure teflon 2291300100017 METHOD (ACTIV) Activation 2291300100018 PART-DET (G,N) 2291300100019 DETECTOR (HPGE) High purity germanium detector 2291300100020 (SCIN) Plastic scintillation detector, placed under 2291300100021 neutron producing target 2291300100022 ERR-ANALYS (ERR-T) Error includes (percent) errors due to: 2291300100023 (ERR-1) -Sample weight error 2291300100024 (ERR-2) -Concentration of the element error 2291300100025 (ERR-3) -Relative gamma ray intensity error 2291300100026 (ERR-4) -Counting solid angle and intrinsic 2291300100027 efficiency 2291300100028 of the gamma-ray detector error 2291300100029 (ERR-S) -Statistical error of gamma-ray photopeak 2291300100030 area error 2291300100031 (ERR-6) -Neutron flux fluctuation error 2291300100032 (ERR-7) -Effective neutron flux (ref. Cross-section) 2291300100033 error 2291300100034 (ERR-8) -Irradiation,cooling and measuring times error2291300100035 (ERR-9) -Gamma-gamma coincidence summing error 2291300100036 (ERR-10) -Low energy neutrons error 2291300100037 (ERR-11) -Self-absorption of gamma rays error 2291300100038 HISTORY (20060203C) SM 2291300100039 (20130203A) SD: Facility was changed (LINAC -> VDG). 2291300100040 ENDBIB 38 0 2291300100041 COMMON 11 6 2291300100042 ERR-1 ERR-2 ERR-3 ERR-4 ERR-S ERR-6 2291300100043 ERR-7 ERR-8 ERR-9 ERR-10 ERR-11 2291300100044 PER-CENT PER-CENT PER-CENT PER-CENT PER-CENT PER-CENT 2291300100045 PER-CENT PER-CENT PER-CENT PER-CENT PER-CENT 2291300100046 0.1 0.1 0.9 3.0 3.0 0.7 2291300100047 3.0 0.1 1.0 3.0 0.1 2291300100048 ENDCOMMON 6 0 2291300100049 ENDSUBENT 48 0 2291300199999 SUBENT 22913002 20060203 21762291300200001 BIB 6 7 2291300200002 REACTION (9-F-19(N,A)7-N-16,,SIG) 2291300200003 DECAY-DATA (7-N-16,7.13SEC,DG,6128.63) 2291300200004 MONITOR (13-AL-27(N,P)12-MG-27,,SIG) 2291300200005 DECAY-MON (12-MG-27,9.458MIN,DG,843.8,0.73) 2291300200006 MONIT-REF (,A.FILATENKOV+,R,INDC(CCP)-402,1997), 2291300200007 (22089000,Y.IKEDA+,R,JAERI-1312,1988) 2291300200008 STATUS .Table 4 of main reference 2291300200009 ENDBIB 7 0 2291300200010 NOCOMMON 0 0 2291300200011 DATA 6 6 2291300200012 EN EN-RSL DATA ERR-T MONIT MONIT-ERR 2291300200013 MEV MEV MB MB MB MB 2291300200014 13.60 0.08 21.11 1.30 76.10 2.28 2291300200015 13.68 0.08 25.54 1.58 73.83 2.22 2291300200016 14.10 0.10 24.08 1.49 70.67 2.12 2291300200017 14.46 0.11 24.42 1.51 67.92 2.04 2291300200018 14.72 0.11 23.52 1.46 64.61 1.94 2291300200019 14.86 0.12 22.68 1.42 61.91 1.86 2291300200020 ENDDATA 8 0 2291300200021 ENDSUBENT 20 0 2291300299999 ENDENTRY 2 0 2291399999999