ENTRY A0936 20130204 A078A093600000001 SUBENT A0936001 20130204 A078A093600100001 BIB 13 39 A093600100002 TITLE Production of actinium, thorium and radium isotopes A093600100003 from natural thorium irradiated with protons up to A093600100004 141 MeV. A093600100005 AUTHOR (S.V.Ermolaev, B.L.Zhuikov, V.M.Kokhanyuk, A093600100006 V.L.Matushko, S.N.Kalmykov, R.A.Aliev, I.G.Tananaev, A093600100007 B.F.Myasoedov) A093600100008 REFERENCE (J,RCA,100,223,2012) A093600100009 INSTITUTE (4RUSJIA) A093600100010 (4RUSMOS) A093600100011 (4RUSRUS) Frumkin Institute of Physical Chemistry and A093600100012 Electrochemistry of Russian Academy of Sciences, A093600100013 Moscow, Russia A093600100014 REL-REF (R,,U.REUS+,J,AND,29,1,1983) Decay-data A093600100015 FACILITY (LINAC,4RUSJIA) A093600100016 SAMPLE Metallic thorium foils were used as targets. The foils A093600100017 dimensions were 17*50 mm and thickness from A093600100018 0.045+-0.003 to 0.069+-0.004 mm. A093600100019 Each Th-foil in a plastic frame was wrapped into Al A093600100020 foil envelope together with Cu-foils (0.038+-0.002 mm A093600100021 thickness) and Al-foils (0.100+-0.004 mm) for beam A093600100022 monitoring. In addition, graphite plates 2-4 mm A093600100023 thickness were used as degraders for adjusting proton A093600100024 energies to desirable values. A093600100025 METHOD (STTA) Two stacked-foil target assemblies- A093600100026 First stack consisting of 13 Th targets was irradiated A093600100027 with initial proton energy in the accelerator A093600100028 158.5+-0.3 MeV. Second stack consisting of 6 Th targetsA093600100029 was irradiated with initial energy 100.1+-0.3 MeV in A093600100030 order to diminish energy uncertainties. A093600100031 (INTB) A093600100032 (GSPEC) A093600100033 DETECTOR (HPGE) A093600100034 MONITOR (13-AL-27(P,X)11-NA-22,,SIG) A093600100035 (29-CU-0(P,X)30-ZN-62,,SIG) A093600100036 ERR-ANALYS (DATA-ERR).The uncertainty is reported by authors in A093600100037 table A093600100038 (EN-ERR).The uncertainty is reported by authors A093600100039 STATUS (TABLE).Table 1 of J,RCA,100,223,2012 A093600100040 HISTORY (20130204C) SB A093600100041 ENDBIB 39 0 A093600100042 NOCOMMON 0 0 A093600100043 ENDSUBENT 42 0 A093600199999 SUBENT A0936002 20130204 A078A093600200001 BIB 3 4 A093600200002 REACTION (90-TH-232(P,X)89-AC-225,CUM,SIG) A093600200003 REL-REF (A,O0044017,M.Lefort+,J,NP,25,216,1961) A093600200004 FLAG (1.).Irradiation with initial proton energy 158.5 MeV A093600200005 (2.).Irradiation with initial proton energy 100.1 MeV A093600200006 ENDBIB 4 0 A093600200007 NOCOMMON 0 0 A093600200008 DATA 5 19 A093600200009 EN EN-ERR DATA DATA-ERR FLAG A093600200010 MEV MEV MB MB NO-DIM A093600200011 141.3 1.0 14.8 2.1 1. A093600200012 128.6 1.5 13.8 2.0 1. A093600200013 123.3 1.8 13.5 2.0 1. A093600200014 117.9 2.1 12.7 1.9 1. A093600200015 112.2 2.4 11.9 1.8 1. A093600200016 106.3 2.8 11.1 1.7 1. A093600200017 100.2 3.3 10.1 1.5 1. A093600200018 93.8 3.8 9.6 1.5 1. A093600200019 87.1 4.5 8.3 1.3 1. A093600200020 79.9 5.3 7.3 1.3 1. A093600200021 74.8 0.9 4.7 0.7 2. A093600200022 72.2 6.4 6.5 1.2 1. A093600200023 66.9 1.4 4.7 0.7 2. A093600200024 63.8 7.8 6.3 1.4 1. A093600200025 58.0 2.2 5.3 0.8 2. A093600200026 54.4 9.7 5.8 1.7 1. A093600200027 47.9 3.5 4.2 0.7 2. A093600200028 35.6 5.9 1.6 0.5 2. A093600200029 21.0 8.1 1.4 0.8 2. A093600200030 ENDDATA 21 0 A093600200031 ENDSUBENT 30 0 A093600299999 SUBENT A0936003 20130204 A078A093600300001 BIB 3 5 A093600300002 REACTION (90-TH-232(P,X)89-AC-227,,SIG) A093600300003 from gamma-spectra A093600300004 REL-REF (A,O0044015,M.Lefort+,J,NP,25,216,1961) A093600300005 FLAG (1.).Irradiation with initial proton energy 158.5 MeV A093600300006 (2.).Irradiation with initial proton energy 100.1 MeV A093600300007 ENDBIB 5 0 A093600300008 NOCOMMON 0 0 A093600300009 DATA 5 19 A093600300010 EN EN-ERR DATA DATA-ERR FLAG A093600300011 MEV MEV MB MB NO-DIM A093600300012 141.3 1.0 9.2 1.4 1. A093600300013 128.6 1.5 8.5 1.3 1. A093600300014 123.3 1.8 8.2 1.2 1. A093600300015 117.9 2.1 7.9 1.2 1. A093600300016 112.2 2.4 7.8 1.2 1. A093600300017 106.3 2.8 7.4 1.1 1. A093600300018 100.2 3.3 7.1 1.1 1. A093600300019 93.8 3.8 6.8 1.1 1. A093600300020 87.1 4.5 6.0 1.0 1. A093600300021 79.9 5.3 5.2 1.0 1. A093600300022 74.8 0.9 4.1 0.6 2. A093600300023 72.2 6.4 4.9 1.1 1. A093600300024 66.9 1.4 2.3 0.4 2. A093600300025 63.8 7.8 4.5 1.3 1. A093600300026 58.0 2.2 2.2 0.4 2. A093600300027 54.4 9.7 4.2 1.7 1. A093600300028 47.9 3.5 2.0 0.4 2. A093600300029 35.6 5.9 3.1 0.9 2. A093600300030 21.0 8.1 1.4 0.8 2. A093600300031 ENDDATA 21 0 A093600300032 ENDSUBENT 31 0 A093600399999 SUBENT A0936004 20130204 A078A093600400001 BIB 2 4 A093600400002 REACTION (90-TH-232(P,X)89-AC-227,,SIG) A093600400003 from alpha-spectra A093600400004 Irradiation with initial proton energy 158.5 MeV A093600400005 REL-REF (A,O0044015,M.Lefort+,J,NP,25,216,1961) A093600400006 ENDBIB 4 0 A093600400007 NOCOMMON 0 0 A093600400008 DATA 4 10 A093600400009 EN EN-ERR DATA DATA-ERR A093600400010 MEV MEV MB MB A093600400011 141.3 1.0 10.6 1.7 A093600400012 128.6 1.5 9.5 1.5 A093600400013 123.3 1.8 8.3 1.3 A093600400014 117.9 2.1 7.6 1.2 A093600400015 112.2 2.4 8.1 1.3 A093600400016 106.3 2.8 7.8 1.3 A093600400017 93.8 3.8 6.3 1.1 A093600400018 87.1 4.5 5.3 0.9 A093600400019 79.9 5.3 4.4 0.8 A093600400020 72.2 6.4 3.9 0.8 A093600400021 ENDDATA 12 0 A093600400022 ENDSUBENT 21 0 A093600499999 SUBENT A0936005 20130204 A078A093600500001 BIB 3 4 A093600500002 REACTION (90-TH-232(P,X)90-TH-227,CUM,SIG) A093600500003 REL-REF (A,O0044011,M.Lefort+,J,NP,25,216,1961) A093600500004 FLAG (1.).Irradiation with initial proton energy 158.5 MeV A093600500005 (2.).Irradiation with initial proton energy 100.1 MeV A093600500006 ENDBIB 4 0 A093600500007 NOCOMMON 0 0 A093600500008 DATA 5 19 A093600500009 EN EN-ERR DATA DATA-ERR FLAG A093600500010 MEV MEV MB MB NO-DIM A093600500011 141.3 1.0 21.4 3.1 1. A093600500012 128.6 1.5 23.7 3.5 1. A093600500013 123.3 1.8 24.4 3.6 1. A093600500014 117.9 2.1 24.5 3.6 1. A093600500015 112.2 2.4 25.7 3.8 1. A093600500016 106.3 2.8 26.2 3.9 1. A093600500017 100.2 3.3 26.9 4.1 1. A093600500018 93.8 3.8 27.4 4.3 1. A093600500019 87.1 4.5 28.1 4.5 1. A093600500020 79.9 5.3 28.6 4.9 1. A093600500021 74.8 0.9 27.7 4.0 2. A093600500022 72.2 6.4 28.8 5.5 1. A093600500023 66.9 1.4 25.6 3.8 2. A093600500024 63.8 7.8 31.2 8.6 1. A093600500025 58.0 2.2 18.1 2.8 2. A093600500026 54.4 9.7 30.4 11.5 1. A093600500027 47.9 3.5 8.6 1.5 2. A093600500028 35.6 5.9 1.6 0.4 2. A093600500029 21.0 8.1 0.9 0.5 2. A093600500030 ENDDATA 21 0 A093600500031 ENDSUBENT 30 0 A093600599999 SUBENT A0936006 20130204 A078A093600600001 BIB 3 4 A093600600002 REACTION (90-TH-232(P,X)90-TH-228,CUM,SIG) A093600600003 REL-REF (A,O0044010,M.Lefort+,J,NP,25,216,1961) A093600600004 FLAG (1.).Irradiation with initial proton energy 158.5 MeV A093600600005 (2.).Irradiation with initial proton energy 100.1 MeV A093600600006 ENDBIB 4 0 A093600600007 NOCOMMON 0 0 A093600600008 DATA 5 19 A093600600009 EN EN-ERR DATA DATA-ERR FLAG A093600600010 MEV MEV MB MB NO-DIM A093600600011 141.3 1.0 60.5 8.8 1. A093600600012 128.6 1.5 65.0 9.5 1. A093600600013 123.3 1.8 65.3 9.5 1. A093600600014 117.9 2.1 66.6 9.8 1. A093600600015 112.2 2.4 68.2 10.1 1. A093600600016 106.3 2.8 69.6 10.4 1. A093600600017 100.2 3.3 69.7 10.6 1. A093600600018 93.8 3.8 70.8 11.0 1. A093600600019 87.1 4.5 73.6 11.9 1. A093600600020 79.9 5.3 79.7 13.7 1. A093600600021 74.8 0.9 74.6 10.9 2. A093600600022 72.2 6.4 82.8 15.8 1. A093600600023 66.9 1.4 73.7 10.9 2. A093600600024 63.8 7.8 86.4 19.4 1. A093600600025 58.0 2.2 75.6 11.6 2. A093600600026 54.4 9.7 92.9 27.0 1. A093600600027 47.9 3.5 73.6 13.0 2. A093600600028 35.6 5.9 61.4 17.0 2. A093600600029 21.0 8.1 25.2 14.3 2. A093600600030 ENDDATA 21 0 A093600600031 ENDSUBENT 30 0 A093600699999 ENDENTRY 6 0 A093699999999