ENTRY 31531 20150813 31723153100000001 SUBENT 31531001 20150813 31723153100100001 BIB 14 37 3153100100002 TITLE Cross sections for the formation of long-lived 3153100100003 radionuclides 10Be, 26Al and 36Cl in 14.6 MeV 3153100100004 neutron induced reactions determined via accelerator 3153100100005 mass spectrometry (AMS) 3153100100006 AUTHOR (F.Sudbrock,U.Herpers,S.M.Qaim,J.Csikai,P.W.Kubik, 3153100100007 H.-A.Synal,M.Suter) 3153100100008 INSTITUTE (3HUNKOS,2GERKLN,2GERJUL,2SWTPSI,2SWTZUR) 3153100100009 REFERENCE (J,RCA,88,829,2000) 3153100100010 METHOD (AMS) 3153100100011 (ASEP) 3153100100012 (CHSEP) 3153100100013 INC-SOURCE (D-T) A thick TiT target of 49mm diam. connected to a 3153100100014 wobbling holder in a scatter-free arrangement assured 3153100100015 a constant neutron fluence over a long period at mA 3153100100016 beam current 3153100100017 FACILITY (CCW,3HUNKOS) 200kV intense neutron generator 3153100100018 (SPECM,2SWTZUR).Ultrasensitive accelerator mass 3153100100019 spectrometer. 3153100100020 MONITOR (13-AL-27(N,A)11-NA-24,,SIG) Aluminium monitor foils 3153100100021 were attached to each sample on both sides. 3153100100022 The neutron energy was determined via the reaction 3153100100023 93(Nb(n,2n)93mNb and 90Zr(n,2n)89Zr activity ration 3153100100024 method 3153100100025 MONIT-REF (,IRDF,R,IAEA-NDS-141,1990) International Reactor 3153100100026 Dosimetry File 3153100100027 DETECTOR (BF3) Bf3-long counters. 3153100100028 ADD-RES (COMP).Semi-empirical systematics. 3153100100029 The isotopic ratio Be-10/Be-9 for irradiated graphite, 3153100100030 Al-26/Al-27 for aluminium and Cl-36/Cl for potassium, 3153100100031 the ratio of the atoms of the radioactive product 3153100100032 to those of the inactive carrier was determined. 3153100100033 STATUS (TABLE) Data from the tbl.3 of RCA,88,829,2000 3153100100034 ERR-ANALYS (EN-ERR) Energy scale error 3153100100035 HISTORY (20031017C) SD 3153100100036 (20110227U) SD: DETECTOR and ADD-RES added. 3153100100037 (20150813A) VS. SF4 in subent 006 corrected 3153100100038 err-analis in subents 002,003,006 and 007 modified. 3153100100039 ENDBIB 37 0 3153100100040 COMMON 2 3 3153100100041 EN EN-ERR 3153100100042 MEV MEV 3153100100043 14.6 0.2 3153100100044 ENDCOMMON 3 0 3153100100045 ENDSUBENT 44 0 3153100199999 SUBENT 31531002 20150813 31723153100200001 BIB 5 10 3153100200002 REACTION (6-C-0(N,X)4-BE-10,,SIG) 3153100200003 SAMPLE Discs of union carbide C: 99.9% purity, mass: 91.75mg 3153100200004 INC-SPECT Neutron fluence: (8.65+-0.26)10**12n/cm2 3153100200005 ERR-ANALYS (DATA-ERR) The total uncertainties obtained by 3153100200006 combining the following individual errors in quadrature3153100200007 - Neutron fluence 3153100200008 - AMS measurement 3153100200009 - Chemical separation 3153100200010 HISTORY (20101216A) On. ERR-T value corrected 3153100200011 (20150813A) VS. ERR-ANALYS modified. 3153100200012 ENDBIB 10 0 3153100200013 NOCOMMON 0 0 3153100200014 DATA 2 1 3153100200015 DATA DATA-ERR 3153100200016 MB MB 3153100200017 0.24 0.02 3153100200018 ENDDATA 3 0 3153100200019 ENDSUBENT 18 0 3153100299999 SUBENT 31531003 20150813 31723153100300001 BIB 6 11 3153100300002 REACTION (6-C-13(N,A)4-BE-10,,SIG) 3153100300003 SAMPLE Discs of union carbide C: 99.9% purity, mass: 91.75mg 3153100300004 INC-SPECT Neutron fluence: (8.65+-0.26)10**12n/cm2 3153100300005 ERR-ANALYS (DATA-ERR) The total uncertainties obtained by 3153100300006 combining the following individual errors in quadrature3153100300007 - Neutron fluence 3153100300008 - AMS measurement 3153100300009 - Chemical separation 3153100300010 STATUS (DEP,31531002) Elemental cross section 3153100300011 HISTORY (20101216U) On. STATUS(DEP): Free text added 3153100300012 (20150813A) VS. ERR-ANALYS modified. 3153100300013 ENDBIB 11 0 3153100300014 NOCOMMON 0 0 3153100300015 DATA 2 1 3153100300016 DATA DATA-ERR 3153100300017 MB MB 3153100300018 22. 2. 3153100300019 ENDDATA 3 0 3153100300020 ENDSUBENT 19 0 3153100399999 SUBENT 31531004 20031020 00003153100400001 BIB 2 3 3153100400002 REACTION (7-N-0(N,X)4-BE-10,,SIG) 3153100400003 SAMPLE Discs of silicon nitride: Si(60.1)%. N(39.9%), 3153100400004 mass:407.15mg, neutron fluence: (4.28+-0.14)10**12n/cm 3153100400005 ENDBIB 3 0 3153100400006 NOCOMMON 0 0 3153100400007 DATA 1 1 3153100400008 DATA-MAX 3153100400009 MB 3153100400010 0.3000 3153100400011 ENDDATA 3 0 3153100400012 ENDSUBENT 11 0 3153100499999 SUBENT 31531005 20031020 00003153100500001 BIB 2 3 3153100500002 REACTION (8-O-0(N,X)4-BE-10,,SIG) 3153100500003 SAMPLE Discs of quartz: Si(46.7)%. O(53.3%), mass: 1190.70mg, 3153100500004 neutron fluence: (3.91+-0.12)10**12n/cm 3153100500005 ENDBIB 3 0 3153100500006 NOCOMMON 0 0 3153100500007 DATA 1 1 3153100500008 DATA-MAX 3153100500009 MB 3153100500010 0.1000 3153100500011 ENDDATA 3 0 3153100500012 ENDSUBENT 11 0 3153100599999 SUBENT 31531006 20150813 31723153100600001 BIB 5 9 3153100600002 REACTION (13-AL-27(N,2N)13-AL-26-G,,SIG) 3153100600003 SAMPLE Aluminium foils: 99.999% purity, mass: 20.85mg 3153100600004 INC-SPECT Neutron fluence: (8.69+-0.26)10**12n/cm 3153100600005 ERR-ANALYS (DATA-ERR) The total uncertainties obtained by 3153100600006 combining the following individual errors in quadrature3153100600007 - Neutron fluence 3153100600008 - AMS measurement 3153100600009 - Chemical separation 3153100600010 HISTORY (20150813A) VS. SF4 corrected, ERR-ANALYS modified. 3153100600011 ENDBIB 9 0 3153100600012 NOCOMMON 0 0 3153100600013 DATA 2 1 3153100600014 DATA DATA-ERR 3153100600015 MB MB 3153100600016 22.00 16.00 3153100600017 ENDDATA 3 0 3153100600018 ENDSUBENT 17 0 3153100699999 SUBENT 31531007 20150813 31723153100700001 BIB 5 10 3153100700002 REACTION (19-K-39(N,A)17-CL-36,,SIG) 3153100700003 SAMPLE Pellets of potassium bicarbonate pure crystal, 3153100700004 mass:480.90mg 3153100700005 INC-SPECT Neutron fluence: (12.93+-0.38)10**12n/cm 3153100700006 ERR-ANALYS (DATA-ERR) The total uncertainties obtained by 3153100700007 combining the following individual errors in quadrature3153100700008 - Neutron fluence 3153100700009 - AMS measurement 3153100700010 - Chemical separation 3153100700011 HISTORY (20150813A) VS. ERR-ANALYS modified. 3153100700012 ENDBIB 10 0 3153100700013 NOCOMMON 0 0 3153100700014 DATA 2 1 3153100700015 DATA DATA-ERR 3153100700016 MB MB 3153100700017 159.0 8.00 3153100700018 ENDDATA 3 0 3153100700019 ENDSUBENT 18 0 3153100799999 ENDENTRY 7 0 3153199999999