ENTRY 31419 20090429 31363141900000001 SUBENT 31419001 20090429 31363141900100001 BIB 16 43 3141900100002 TITLE Integral activity cross section ratios of 3141900100003 Ti(n,x)Sc-46, Ti(n,x)Sc-47, Ti-48(n,p)Sc-48 and 3141900100004 Ti-50(n,a)Ca-47 relative to Al-27(n,a)Na-24 in the 3141900100005 neutron spectrum produced by 23.2 MeV deuterons 3141900100006 incident on a thick be metal target 3141900100007 AUTHOR (M.Bovisio de Ricabarra, D.Waisman, G.H.Ricabarra) 3141900100008 INSTITUTE (3ARGCNE) 3141900100009 REFERENCE (R,INDC(ARG)-012,199305) 3141900100010 (R,INDC(ARG)-011,199303) No. 5, Summary only. 3141900100011 FACILITY (VDGT,3ARGCNE) TANDAR accelerator 3141900100012 SAMPLE An activation stack was composed of a titanium foil as 3141900100013 sample, 1.25 mm thick and 0.5 cm in diameter, and of 3141900100014 aluminium, niobium and gold foils. 3141900100015 METHOD (ACTIV) 3141900100016 INC-SOURCE (D-BE) Deuteron energy was 23.2 MeV. 3141900100017 INC-SPECT The mean neutron energy for 0.3 - 23 MeV, at a deuteron3141900100018 bombarding energy of 23.2 MeV, is 7.5 MeV 3141900100019 (From M.A.Lone et al, Nucl.Instr.Meth.,143(1977)331). 3141900100020 The neutron spectrum, as determined previously from an 3141900100021 spectrum unfolding measurement, was verified using the 3141900100022 measured activities of the Al-27(n,a)Na-24, 3141900100023 Au-197(n,2n)Au-196 and Nb-93(n,2n)Nb-92m reactions. 3141900100024 MONITOR (13-AL-27(N,A)11-NA-24,,SIG,,SPA) 3141900100025 Cross section was calculated using the previously 3141900100026 unfolded neutron spectrum and differential data from 3141900100027 IRDF90. 3141900100028 DETECTOR (HPGE) 20% reverse Hp-Ge diode with a thin be window 3141900100029 DECAY-MON (11-NA-24,15.020HR,DG,1368.6,.9999) 3141900100030 CORRECTION Corrections have been made for 3141900100031 - time irradiation; 3141900100032 - beam current fluctuations; 3141900100033 - gamma self-absorption; 3141900100034 - differences in flux due to the foil position in the 3141900100035 sample stack. 3141900100036 ERR-ANALYS (ERR-T) Sources of total uncertainty are 3141900100037 (ERR-2,0.5,1.) - Calculation of gamma self-absorption 3141900100038 (0.5% - 1.%) 3141900100039 (ERR-3,0.2,0.6) - Normalization factors to back stack 3141900100040 flux (0.2% - 0.6%) 3141900100041 (ERR-1) - HPGe detector efficiency (3%) 3141900100042 STATUS (TABLE) Taken from Table 1 of INDC(ARG)-012. 3141900100043 HISTORY (19930715C) HW 3141900100044 (20090429U) On. BIB updated, 002 corrected 3141900100045 ENDBIB 43 0 3141900100046 COMMON 3 3 3141900100047 EN-DUMMY MONIT ERR-1 3141900100048 MEV MB PER-CENT 3141900100049 7.5 40.54 3. 3141900100050 ENDCOMMON 3 0 3141900100051 ENDSUBENT 50 0 3141900199999 SUBENT 31419002 20090429 31363141900200001 BIB 3 7 3141900200002 REACTION ((22-TI-46(N,P)21-SC-46,,SIG)+ 3141900200003 (22-TI-47(N,X)21-SC-46,,SIG,,RAB)) 3141900200004 Cross section for natural sample divided by 3141900200005 natural isotopic abundance of Ti-46 (8.2%) 3141900200006 DECAY-DATA (21-SC-46-G,83.83D,DG,889.3,.99984, 3141900200007 DG,1120.5,.99987) 3141900200008 HISTORY (20090429A) On. REACTION corrected (Memo CP-D/546) 3141900200009 ENDBIB 7 0 3141900200010 NOCOMMON 0 0 3141900200011 DATA 2 1 3141900200012 DATA ERR-T 3141900200013 MB PER-CENT 3141900200014 147.4 3.3 3141900200015 ENDDATA 3 0 3141900200016 ENDSUBENT 15 0 3141900299999 SUBENT 31419003 20090429 31363141900300001 BIB 3 5 3141900300002 REACTION (22-TI-0(N,X)21-SC-47,,SIG,,FCT) 3141900300003 Cross section for natural sample divided by 3141900300004 natural isotopic abundance of Ti-47 + Ti-48 (81.2%) 3141900300005 DECAY-DATA (21-SC-47,3.422D,DG,159.4,.99987) 3141900300006 HISTORY (20090429A) On. REACTION corrected (Memo CP-D/546) 3141900300007 ENDBIB 5 0 3141900300008 NOCOMMON 0 0 3141900300009 DATA 2 1 3141900300010 DATA ERR-T 3141900300011 MB PER-CENT 3141900300012 13.93 5.2 3141900300013 ENDDATA 3 0 3141900300014 ENDSUBENT 13 0 3141900399999 SUBENT 31419004 19930928 00003141900400001 BIB 2 4 3141900400002 REACTION (22-TI-48(N,P)21-SC-48,,SIG) 3141900400003 DECAY-DATA (21-SC-48,1.821D,DG,983.5,1.0, 3141900400004 DG,1312.0,1.0, 3141900400005 DG,1037.5,.975) 3141900400006 ENDBIB 4 0 3141900400007 NOCOMMON 0 0 3141900400008 DATA 2 1 3141900400009 DATA ERR-T 3141900400010 MB PER-CENT 3141900400011 19.60 3.4 3141900400012 ENDDATA 3 0 3141900400013 ENDSUBENT 12 0 3141900499999 SUBENT 31419005 19930928 00003141900500001 BIB 2 2 3141900500002 REACTION (22-TI-50(N,A)20-CA-47,,SIG) 3141900500003 DECAY-DATA (20-CA-47,4.53D,DG,1297.1,.749) 3141900500004 ENDBIB 2 0 3141900500005 NOCOMMON 0 0 3141900500006 DATA 2 1 3141900500007 DATA ERR-T 3141900500008 MB PER-CENT 3141900500009 2.548 5.2 3141900500010 ENDDATA 3 0 3141900500011 ENDSUBENT 10 0 3141900599999 ENDENTRY 5 0 3141999999999