ENTRY C2048 20210218 C201C204800000001 SUBENT C2048001 20210218 C201C204800100001 BIB 7 20 C204800100002 TITLE Production of 229Th for medical applications: C204800100003 Excitation functions of low-energy protons on 232Th C204800100004 targets C204800100005 AUTHOR (J.R.Griswold,C.U.Jost,D.W.Stracener,S.H.Bruffey, C204800100006 D.Denton,M.Garland,L.Heilbronn,S.Mirzadeh,C.L.Williams)C204800100007 REFERENCE (S,AIP-1525,520,2013) Contains Ni, Cu and Th results. C204800100008 #doi:10.1063/1.4802383 C204800100009 (J,PR/C,98,044607,2018) Final 232Th target results. C204800100010 #doi:10.1103/PhysRevC.98.044607 C204800100011 INSTITUTE (1USAORL,1USATEN) C204800100012 FACILITY (VDGT,1USAORL) The On-Line Test Facility, a low- C204800100013 intensity isotope separation on-line facility C204800100014 primarily used for testing of ion sources and targets C204800100015 for the production of radioactive ion beams, C204800100016 Holifield Radioactive Ion Beam Facility. C204800100017 DETECTOR (HPGE) Gamma-ray spectrometry was performed using a C204800100018 50 cm3 high purity Ge detector. C204800100019 HISTORY (20130807C) Compiled by S.H. C204800100020 (20210218A) BP: Updated authors, final 232Th results C204800100021 and added (p,n) and (p,5n) reaction data. C204800100022 ENDBIB 20 0 C204800100023 NOCOMMON 0 0 C204800100024 ENDSUBENT 23 0 C204800199999 SUBENT C2048002 20210218 C201C204800200001 BIB 5 16 C204800200002 REACTION (28-NI-0(P,X)28-NI-56,,SIG) C204800200003 SAMPLE Stack of thin Ni foils (2.24 mg/cm2 'sandwiched' by C204800200004 thin Al foils (8.1 mg/cm2) held together with C204800200005 epoxy glue at the edges to prevent release of C204800200006 nuclides. C204800200007 METHOD (ACTIV) C204800200008 ERR-ANALYS (ERR-T) Total errors were obtained as the square root C204800200009 of the sum of squares of the errors mentioned above C204800200010 and ranged between 7 and 13%. C204800200011 (ERR-1,,5.) systematic uncertainty in gamma ray assay C204800200012 (ERR-2,,5.) systematic uncertainty in detector C204800200013 efficiency C204800200014 (ERR-3,1.5,10.0) systematic uncertainty in proton C204800200015 beam current C204800200016 STATUS (TABLE) Data presented in Fig. 5 of S,AIP- C204800200017 1525,520,2013, sent by author (C.U.J.). C204800200018 ENDBIB 16 0 C204800200019 NOCOMMON 0 0 C204800200020 DATA 4 6 C204800200021 EN EN-RSL DATA ERR-T C204800200022 MEV MEV MB MB C204800200023 20.93 0.47 0.6 0.3 C204800200024 23.06 0.46 1.2 0.4 C204800200025 27.44 0.36 1.5 0.3 C204800200026 31.68 0.27 5.1 0.6 C204800200027 35.86 0.21 8.2 0.9 C204800200028 39.91 0.02 11.2 1.2 C204800200029 ENDDATA 8 0 C204800200030 ENDSUBENT 29 0 C204800299999 SUBENT C2048003 20210218 C201C204800300001 BIB 5 16 C204800300002 REACTION (28-NI-0(P,X)27-CO-55,,SIG) C204800300003 SAMPLE Stack of thin Ni foils (2.24 mg/cm2 'sandwiched' by C204800300004 thin Al foils (8.1 mg/cm2) held together with C204800300005 epoxy glue at the edges to prevent release of C204800300006 nuclides. C204800300007 METHOD (ACTIV) C204800300008 ERR-ANALYS (ERR-T) Total errors were obtained as the square root C204800300009 of the sum of squares of the errors mentioned above C204800300010 and ranged between 7 and 13%. C204800300011 (ERR-1,,5.) systematic uncertainty in gamma ray assay C204800300012 (ERR-2,,5.) systematic uncertainty in detector C204800300013 efficiency C204800300014 (ERR-3,1.5,10.0) systematic uncertainty in proton C204800300015 beam current C204800300016 STATUS (TABLE) Data presented in Fig. 6 of S,AIP- C204800300017 1525,520,2013, sent by author (C.U.J.). C204800300018 ENDBIB 16 0 C204800300019 NOCOMMON 0 0 C204800300020 DATA 4 10 C204800300021 EN EN-RSL DATA ERR-T C204800300022 MEV MEV MB MB C204800300023 11.92 0.75 10.2 0.7 C204800300024 14.02 0.65 17.0 1.2 C204800300025 16.09 0.58 21.4 2.1 C204800300026 17.96 0.52 21.5 2.1 C204800300027 19.94 0.51 16.5 1.6 C204800300028 22.06 0.46 9.5 0.9 C204800300029 25.01 0.38 4.6 0.4 C204800300030 29.05 0.27 2.7 0.2 C204800300031 34.02 0.17 2.8 0.2 C204800300032 37.91 0.02 4.1 0.3 C204800300033 ENDDATA 12 0 C204800300034 ENDSUBENT 33 0 C204800399999 SUBENT C2048004 20210218 C201C204800400001 BIB 5 16 C204800400002 REACTION (29-CU-0(P,X)30-ZN-62,,SIG) C204800400003 SAMPLE Stack of thin Cu foils (11.2 mg/cm2 'sandwiched' by C204800400004 thin Al foils (8.1 mg/cm2) held together with C204800400005 epoxy glue at the edges to prevent release of C204800400006 nuclides. C204800400007 METHOD (ACTIV) C204800400008 ERR-ANALYS (ERR-T) Total errors were obtained as the square root C204800400009 of the sum of squares of the errors mentioned above C204800400010 and ranged between 7 and 13%. C204800400011 (ERR-1,,5.) systematic uncertainty in gamma ray assay C204800400012 (ERR-2,,5.) systematic uncertainty in detector C204800400013 efficiency C204800400014 (ERR-3,1.5,10.0) systematic uncertainty in proton C204800400015 beam current C204800400016 STATUS (TABLE) Data presented in Fig. 7 of the S,AIP- C204800400017 1525,520,2013, sent by author (C.U.J.). C204800400018 ENDBIB 16 0 C204800400019 NOCOMMON 0 0 C204800400020 DATA 4 10 C204800400021 EN EN-RSL DATA ERR-T C204800400022 MEV MEV MB MB C204800400023 15.34 0.49 19.2 2.0 C204800400024 20.37 0.38 61.0 6.5 C204800400025 22.29 0.33 68.9 7.3 C204800400026 23.15 0.31 71.7 7.6 C204800400027 24.07 0.33 71.7 7.6 C204800400028 25.10 0.28 68.9 7.3 C204800400029 27.08 0.26 57.3 6.1 C204800400030 29.90 0.19 37.4 4.0 C204800400031 33.01 0.12 21.7 2.3 C204800400032 34.85 0.03 17.9 1.9 C204800400033 ENDDATA 12 0 C204800400034 ENDSUBENT 33 0 C204800499999 SUBENT C2048005 20210218 C201C204800500001 BIB 7 29 C204800500002 REACTION (90-TH-232(P,4N)91-PA-229,,SIG) C204800500003 METHOD (ACTIV,CHSEP) For the thin targets, the activity of C204800500004 229Pa was measured using the 117.2 and 119.0 keV C204800500005 gamma rays post chemical separation of the C204800500006 protactinium from fission products and other actinides.C204800500007 STATUS (TABLE) Table II, page 044607-5 of the final 232Th Ref.C204800500008 SAMPLE Targets consisted of four assemblies of stacked C204800500009 foils. The first two assemblies were considered the C204800500010 thin targets (0.0125 mm thick). The first assembly C204800500011 consisted of eight natural thorium foils (18.5-21.6 mg C204800500012 cm-2), and the second assembly consisted of five C204800500013 foils. Each of the thorium foils was mounted on a C204800500014 thin (0.025 mm) high-purity aluminum foil disk. The C204800500015 thorium foils were 1.25 x 1.25 cm squares, whereas C204800500016 the aluminum foil disks had a diameter of 4 cm. C204800500017 ERR-ANALYS (ERR-T) Total errors were obtained as the square root C204800500018 of the sum of squares of the errors mentioned above C204800500019 and ranged between 7 and 13%. C204800500020 (ERR-1,,5.) systematic uncertainty in gamma ray assay C204800500021 (ERR-2,,5.) systematic uncertainty in detector C204800500022 efficiency C204800500023 (ERR-3,1.5,10.0) systematic uncertainty in proton C204800500024 beam current C204800500025 (ERR-4,,5.) For the cross sections from Th targets, C204800500026 an error for the chemical separation yield. C204800500027 DECAY-DATA (91-PA-229,1.4D,DG,117.2,0.0005, C204800500028 DG,1189.2,0.0015) C204800500029 HISTORY (20210218A) BP: Updated data using the final, rounded C204800500030 numbers and sample information. C204800500031 ENDBIB 29 0 C204800500032 NOCOMMON 0 0 C204800500033 DATA 4 7 C204800500034 EN EN-RSL DATA ERR-T C204800500035 MEV MEV MB MB C204800500036 24.8 0.6 86.0 8.2 C204800500037 27.2 0.5 145.0 13.0 C204800500038 29.8 0.2 162.0 14.0 C204800500039 31.9 0.4 106.0 10.0 C204800500040 34.0 0.5 64.9 8.5 C204800500041 36.0 0.3 26.9 3.5 C204800500042 39.9 0.2 8.0 1.1 C204800500043 ENDDATA 9 0 C204800500044 ENDSUBENT 43 0 C204800599999 SUBENT C2048006 20210218 C201C204800600001 BIB 7 26 C204800600002 REACTION (90-TH-232(P,3N)91-PA-230,,SIG) C204800600003 METHOD (ACTIV) Direct analysis of the thorium foils after C204800600004 irradiation. C204800600005 STATUS (TABLE) Table II, page 044607-5 of the final 232Th Ref.C204800600006 DECAY-DATA (91-PA-230,17.4D) C204800600007 SAMPLE Targets consisted of four assemblies of stacked C204800600008 foils. The first two assemblies were considered the C204800600009 thin targets (0.0125 mm thick). The first assembly C204800600010 consisted of eight natural thorium foils (18.5-21.6 mg C204800600011 cm-2), and the second assembly consisted of five C204800600012 foils. Each of the thorium foils was mounted on a C204800600013 thin (0.025 mm) high-purity aluminum foil disk. The C204800600014 thorium foils were 1.25 x 1.25 cm squares, whereas C204800600015 the aluminum foil disks had a diameter of 4 cm. C204800600016 ERR-ANALYS (ERR-T) Total errors were obtained as the square root C204800600017 of the sum of squares of the errors mentioned above C204800600018 and ranged between 7 and 13%. C204800600019 (ERR-1,,5.) systematic uncertainty in gamma ray assay C204800600020 (ERR-2,,5.) systematic uncertainty in detector C204800600021 efficiency C204800600022 (ERR-3,1.5,10.0) systematic uncertainty in proton C204800600023 beam current C204800600024 (ERR-4,,5.) For the cross sections from Th targets, C204800600025 an error for the chemical separation yield. C204800600026 HISTORY (20210218A) BP: Updated data using the final, rounded C204800600027 numbers and sample information. C204800600028 ENDBIB 26 0 C204800600029 NOCOMMON 0 0 C204800600030 DATA 4 13 C204800600031 EN EN-RSL DATA ERR-T C204800600032 MEV MEV MB MB C204800600033 12.0 0.8 3.4 0.5 C204800600034 17.1 0.6 113.4 7.5 C204800600035 21.2 0.5 372.0 20.0 C204800600036 24.8 0.6 176.0 12.0 C204800600037 25.0 0.4 171.0 11.0 C204800600038 27.2 0.5 85.9 6.3 C204800600039 29.6 0.5 59.4 4.3 C204800600040 29.8 0.2 59.8 4.5 C204800600041 31.9 0.4 47.3 3.7 C204800600042 34.0 0.5 38.5 3.1 C204800600043 36.0 0.3 25.6 2.3 C204800600044 38.0 0.3 24.6 2.4 C204800600045 39.9 0.2 17.4 2.4 C204800600046 ENDDATA 15 0 C204800600047 ENDSUBENT 46 0 C204800699999 SUBENT C2048007 20210218 C201C204800700001 BIB 7 25 C204800700002 REACTION (90-TH-232(P,5N)91-PA-228,,SIG) C204800700003 SAMPLE Targets consisted of four assemblies of stacked C204800700004 foils. The first two assemblies were considered the C204800700005 thin targets (0.0125 mm thick). The first assembly C204800700006 consisted of eight natural thorium foils (18.5-21.6 mg C204800700007 cm-2), and the second assembly consisted of five C204800700008 foils. Each of the thorium foils was mounted on a C204800700009 thin (0.025 mm) high-purity aluminum foil disk. The C204800700010 thorium foils were 1.25 x 1.25 cm squares, whereas C204800700011 the aluminum foil disks had a diameter of 4 cm. C204800700012 METHOD (ACTIV) Direct analysis of the thorium foils after C204800700013 irradiation. C204800700014 ERR-ANALYS (ERR-T) Total errors were obtained as the square root C204800700015 of the sum of squares of the errors mentioned above C204800700016 and ranged between 7 and 13%. C204800700017 (ERR-1,,5.) systematic uncertainty in gamma ray assay C204800700018 (ERR-2,,5.) systematic uncertainty in detector C204800700019 efficiency C204800700020 (ERR-3,1.5,10.0) systematic uncertainty in proton C204800700021 beam current C204800700022 (ERR-4,,5.) For the cross sections from Th targets, C204800700023 an error for the chemical separation yield. C204800700024 DECAY-DATA (91-PA-228,22.0HR,EC) C204800700025 STATUS (TABLE) Table II, page 044607-5 of the final 232Th Ref.C204800700026 HISTORY (20210218C) BP C204800700027 ENDBIB 25 0 C204800700028 NOCOMMON 0 0 C204800700029 DATA 4 9 C204800700030 EN EN-RSL DATA ERR-T C204800700031 MEV MEV MB MB C204800700032 25.0 0.4 2.3 0.5 C204800700033 27.2 0.5 3.7 0.3 C204800700034 29.6 0.5 3.8 0.3 C204800700035 29.8 0.2 3.9 0.5 C204800700036 31.9 0.4 13.0 0.9 C204800700037 34.0 0.5 34.6 2.4 C204800700038 36.0 0.3 60.3 4.1 C204800700039 38.0 0.3 78.8 5.4 C204800700040 39.9 0.2 66.9 4.6 C204800700041 ENDDATA 11 0 C204800700042 ENDSUBENT 41 0 C204800799999 SUBENT C2048008 20210218 C201C204800800001 BIB 6 24 C204800800002 REACTION (90-TH-232(P,N)91-PA-232,,SIG) C204800800003 SAMPLE Targets consisted of four assemblies of stacked C204800800004 foils. The first two assemblies were considered the C204800800005 thin targets (0.0125 mm thick). The first assembly C204800800006 consisted of eight natural thorium foils (18.5-21.6 mg C204800800007 cm-2), and the second assembly consisted of five C204800800008 foils. Each of the thorium foils was mounted on a C204800800009 thin (0.025 mm) high-purity aluminum foil disk. The C204800800010 thorium foils were 1.25 x 1.25 cm squares, whereas C204800800011 the aluminum foil disks had a diameter of 4 cm. C204800800012 METHOD (ACTIV) Direct analysis of the thorium foils after C204800800013 irradiation. C204800800014 ERR-ANALYS (ERR-T) Total errors were obtained as the square root C204800800015 of the sum of squares of the errors mentioned above C204800800016 and ranged between 7 and 13%. C204800800017 (ERR-1,,5.) systematic uncertainty in gamma ray assay C204800800018 (ERR-2,,5.) systematic uncertainty in detector C204800800019 efficiency C204800800020 (ERR-3,1.5,10.0) systematic uncertainty in proton C204800800021 beam current C204800800022 (ERR-4,,5.) For the cross sections from Th targets, C204800800023 an error for the chemical separation yield. C204800800024 STATUS (TABLE) Table II, page 044607-5 of the final 232Th Ref.C204800800025 HISTORY (20210218C) BP C204800800026 ENDBIB 24 0 C204800800027 NOCOMMON 0 0 C204800800028 DATA 4 12 C204800800029 EN EN-RSL DATA ERR-T C204800800030 MEV MEV MB MB C204800800031 13.0 0.8 12.3 0.8 C204800800032 17.1 0.6 17.3 1.3 C204800800033 21.2 0.5 15.7 1.1 C204800800034 24.8 0.6 14.7 1.0 C204800800035 27.2 0.5 13.6 1.2 C204800800036 29.6 0.5 13.0 1.0 C204800800037 29.8 0.2 13.1 1.0 C204800800038 31.9 0.4 12.0 0.9 C204800800039 34.0 0.5 10.4 0.8 C204800800040 36.0 0.3 10.2 0.8 C204800800041 38.0 0.3 10.6 0.8 C204800800042 39.9 0.2 9.7 0.8 C204800800043 ENDDATA 14 0 C204800800044 ENDSUBENT 43 0 C204800899999 ENDENTRY 8 0 C204899999999