ENTRY F1524 20250117 F152400000001 SUBENT F1524001 20250117 20250711 F152400100001 BIB 13 36 F152400100002 TITLE Proton-induced nuclear reactions on barium-136 for F152400100003 the production of the medically relevant radionuclide F152400100004 lanthanum-135 F152400100005 AUTHOR (I.A.Khomenko,E.S.Kormazeva,T.V.Bogomolova,E.B.Furkina,F152400100006 V.I.Novikov,R.A.Aliev) F152400100007 REFERENCE (J,EPJ/P,139,1121,2024) F152400100008 #doi:10.1140/epjp/s13360-024-05917-2 F152400100009 INSTITUTE (4RUSKUR) F152400100010 FACILITY (ISOCY,4RUSKUR) U-150 cyclotron F152400100011 INC-SOURCE Beam current was 80.7+-1.3 nA. F152400100012 SAMPLE (56-BA-136,ENR=0.9545) Thin targets of barium F152400100013 carbonate enriched by the isotope 136Ba (136Ba-95.45%, F152400100014 138Ba-2.25%, 137Ba-1.56%, 135Ba-0.75%, 134Ba-0.04%) F152400100015 were prepared by the sedimentation method. 11 F152400100016 mechanically stable and visually homogeneous F152400100017 [136Ba]BaCO3 targets with thicknesses of 2.4-5.8 mg/cm2F152400100018 were prepared. A cover layer of aluminum foil F152400100019 (8.4 mu-m) was used. F152400100020 DETECTOR (HPGE) Gamma spectrometer with an ORTEC GEM 35P4 high F152400100021 purity germanium with an energy resolution of 850 eV F152400100022 for the 122 keV line and 1.8 keV for the 1332 keV F152400100023 line was used. F152400100024 METHOD (STTA,EDEG) Aluminum degraders (~30, 117, and 44 mu-m) F152400100025 and copper monitors (~10 mu-m) were placed in a stack F152400100026 between the targets. F152400100027 (ACTIV) Irradiation time was 30 min. The first F152400100028 measurement was carried out 2-5 h after the end of F152400100029 bombardment; the second measurement was carried out on F152400100030 the next day. Two measurements were made for each F152400100031 target foil at calibrated distances of 6 cm and 11.5 F152400100032 cm. The dead time of measurements did not exceed 10 %. F152400100033 MONITOR (29-CU-0(P,X)30-ZN-62,,SIG) F152400100034 ADD-RES (COMP) The measured excitation functions were compared F152400100035 with the data from TENDL-2023 library. F152400100036 STATUS (APRVD) Entry was approved by Dr. I.A.Khomenko. F152400100037 HISTORY (20250117C) F152400100038 ENDBIB 36 0 F152400100039 NOCOMMON 0 0 F152400100040 ENDSUBENT 39 0 F152400199999 SUBENT F1524002 20250117 20250711 F152400200001 BIB 5 20 F152400200002 REACTION (56-BA-136(P,X)57-LA-133,,SIG) F152400200003 DECAY-DATA (57-LA-133,3.912HR,DG,278.835,0.0244, F152400200004 DG,290.06,0.0138, F152400200005 DG,302.38,0.0161) F152400200006 COMMENT *By authors* The main process leading to the formation F152400200007 of 133La is the reaction 135Ba(p,3n)133La. The F152400200008 insignificant contribution of the reaction 134Ba(p,2n) F152400200009 for the isotopic mixture of the target is ~0.3 mb at F152400200010 13 MeV. F152400200011 ERR-ANALYS (ERR-T) The total experimental uncertainty was F152400200012 calculated as the square root of the sum of the squaresF152400200013 of the individual relative uncertainties and took into F152400200014 account: F152400200015 (ERR-1) uncertainty in detector efficiency; F152400200016 (ERR-2,3.,40.) uncertainty of total absorption peak F152400200017 area depending on the counts statistics; F152400200018 (ERR-3) uncertainty of target thickness; F152400200019 (ERR-4) uncertainty of beam current value; F152400200020 (ERR-5) uncertainty of nuclear data. F152400200021 STATUS (TABLE,,I.A.Khomenko+,J,EPJ/P,139,1121,2024) Table 3 F152400200022 ENDBIB 20 0 F152400200023 COMMON 4 3 F152400200024 ERR-1 ERR-3 ERR-4 ERR-5 F152400200025 PER-CENT PER-CENT PER-CENT PER-CENT F152400200026 6. 10. 2. 1. F152400200027 ENDCOMMON 3 0 F152400200028 DATA 4 3 F152400200029 EN EN-ERR DATA ERR-T F152400200030 MEV MEV MB MB F152400200031 29.3 0.6 7.1 1.6 F152400200032 27.8 0.6 9.0 2.1 F152400200033 26.1 0.7 8.2 2.4 F152400200034 ENDDATA 5 0 F152400200035 ENDSUBENT 34 0 F152400299999 SUBENT F1524003 20250117 20250711 F152400300001 BIB 4 13 F152400300002 REACTION (56-BA-136(P,2N)57-LA-135,,SIG) F152400300003 DECAY-DATA (57-LA-135,19.5HR,DG,480.51,0.0152) F152400300004 ERR-ANALYS (ERR-T) The total experimental uncertainty was F152400300005 calculated as the square root of the sum of the squaresF152400300006 of the individual relative uncertainties and took into F152400300007 account: F152400300008 (ERR-1) uncertainty in detector efficiency; F152400300009 (ERR-2,3.,40.) uncertainty of total absorption peak F152400300010 area depending on the counts statistics; F152400300011 (ERR-3) uncertainty of target thickness; F152400300012 (ERR-4) uncertainty of beam current value; F152400300013 (ERR-5) uncertainty of nuclear data. F152400300014 STATUS (TABLE,,I.A.Khomenko+,J,EPJ/P,139,1121,2024) Table 3 F152400300015 ENDBIB 13 0 F152400300016 COMMON 4 3 F152400300017 ERR-1 ERR-3 ERR-4 ERR-5 F152400300018 PER-CENT PER-CENT PER-CENT PER-CENT F152400300019 6. 10. 2. 1. F152400300020 ENDCOMMON 3 0 F152400300021 DATA 4 11 F152400300022 EN EN-ERR DATA ERR-T F152400300023 MEV MEV MB MB F152400300024 29.3 0.6 219.3 30.6 F152400300025 27.8 0.6 343.6 45.9 F152400300026 26.1 0.7 604.2 78.8 F152400300027 24.6 0.7 789.4 102.6 F152400300028 23.0 0.8 1117.5 133.9 F152400300029 21.6 1.1 1223.1 149.2 F152400300030 19.8 1.2 1072.7 131.4 F152400300031 18.0 1.4 1077.0 133.7 F152400300032 17.4 1.4 1016.1 125.6 F152400300033 15.3 1.6 846.5 108.0 F152400300034 14.0 1.8 455.9 67.4 F152400300035 ENDDATA 13 0 F152400300036 ENDSUBENT 35 0 F152400399999 SUBENT F1524004 20250117 20250711 F152400400001 BIB 4 13 F152400400002 REACTION (56-BA-136(P,X)56-BA-135-M,,SIG) F152400400003 DECAY-DATA (56-BA-135-M,28.7HR,DG,268.218,0.0160) F152400400004 ERR-ANALYS (ERR-T) The total experimental uncertainty was F152400400005 calculated as the square root of the sum of the squaresF152400400006 of the individual relative uncertainties and took into F152400400007 account: F152400400008 (ERR-1) uncertainty in detector efficiency; F152400400009 (ERR-2,3.,40.) uncertainty of total absorption peak F152400400010 area depending on the counts statistics; F152400400011 (ERR-3) uncertainty of target thickness; F152400400012 (ERR-4) uncertainty of beam current value; F152400400013 (ERR-5) uncertainty of nuclear data. F152400400014 STATUS (TABLE,,I.A.Khomenko+,J,EPJ/P,139,1121,2024) Table 3 F152400400015 ENDBIB 13 0 F152400400016 COMMON 4 3 F152400400017 ERR-1 ERR-3 ERR-4 ERR-5 F152400400018 PER-CENT PER-CENT PER-CENT PER-CENT F152400400019 6. 10. 2. 1. F152400400020 ENDCOMMON 3 0 F152400400021 DATA 4 9 F152400400022 EN EN-ERR DATA ERR-T F152400400023 MEV MEV MB MB F152400400024 29.3 0.6 64.6 7.9 F152400400025 27.8 0.6 75.9 9.4 F152400400026 26.1 0.7 73.7 9.3 F152400400027 24.6 0.7 53.6 7.3 F152400400028 23.0 0.8 39.5 4.9 F152400400029 21.6 1.1 32.1 4.9 F152400400030 19.8 1.2 17.9 2.6 F152400400031 18.0 1.4 10.5 2.2 F152400400032 17.4 1.4 8.5 1.8 F152400400033 ENDDATA 11 0 F152400400034 ENDSUBENT 33 0 F152400499999 SUBENT F1524005 20250117 20250711 F152400500001 BIB 4 13 F152400500002 REACTION (56-BA-136(P,X)55-CS-132,,SIG) F152400500003 DECAY-DATA (55-CS-132,6.48D,DG,667.714,0.9759) F152400500004 ERR-ANALYS (ERR-T) The total experimental uncertainty was F152400500005 calculated as the square root of the sum of the squaresF152400500006 of the individual relative uncertainties and took into F152400500007 account: F152400500008 (ERR-1) uncertainty in detector efficiency; F152400500009 (ERR-2,3.,40.) uncertainty of total absorption peak F152400500010 area depending on the counts statistics; F152400500011 (ERR-3) uncertainty of target thickness; F152400500012 (ERR-4) uncertainty of beam current value; F152400500013 (ERR-5) uncertainty of nuclear data. F152400500014 STATUS (TABLE,,I.A.Khomenko+,J,EPJ/P,139,1121,2024) Table 3 F152400500015 ENDBIB 13 0 F152400500016 COMMON 4 3 F152400500017 ERR-1 ERR-3 ERR-4 ERR-5 F152400500018 PER-CENT PER-CENT PER-CENT PER-CENT F152400500019 6. 10. 2. 1. F152400500020 ENDCOMMON 3 0 F152400500021 DATA 4 5 F152400500022 EN EN-ERR DATA ERR-T F152400500023 MEV MEV MB MB F152400500024 29.3 0.6 4.0 1.1 F152400500025 27.8 0.6 4.7 1.2 F152400500026 26.1 0.7 4.1 1.3 F152400500027 24.6 0.7 3.3 1.4 F152400500028 23.0 0.8 1.9 0.6 F152400500029 ENDDATA 7 0 F152400500030 ENDSUBENT 29 0 F152400599999 SUBENT F1524006 20250117 20250711 F152400600001 BIB 5 7 F152400600002 REACTION (56-BA-136(P,2N)57-LA-135,,TTY,,PHY,DERIV) F152400600003 DECAY-DATA (57-LA-135,19.5HR,DG,480.51,0.0152) F152400600004 SAMPLE Barium carbonate enriched by the isotope 136Ba was usedF152400600005 ANALYSIS (INTEF) F152400600006 STATUS (TABLE,,I.A.Khomenko+,J,EPJ/P,139,1121,2024) Data from F152400600007 text p. 7. F152400600008 (DEP,F1524003) Excitation function F152400600009 ENDBIB 7 0 F152400600010 NOCOMMON 0 0 F152400600011 DATA 3 1 F152400600012 EN-MAX EN-MIN DATA F152400600013 MEV MEV MBQ/MUAHR F152400600014 29.3 14.0 539.6 F152400600015 ENDDATA 3 0 F152400600016 ENDSUBENT 15 0 F152400699999 SUBENT F1524007 20250117 20250711 F152400700001 BIB 5 6 F152400700002 REACTION (56-BA-136(P,2N)57-LA-135,,TTY,,PHY,DERIV) F152400700003 DECAY-DATA (57-LA-135,19.5HR,DG,480.51,0.0152) F152400700004 SAMPLE Metallic 136Ba was used as the target material. F152400700005 ANALYSIS (INTEF) F152400700006 STATUS (TABLE,,I.A.Khomenko+,J,EPJ/P,139,1121,2024) Table 4 F152400700007 (DEP,F1524003) Excitation function F152400700008 ENDBIB 6 0 F152400700009 NOCOMMON 0 0 F152400700010 DATA 3 1 F152400700011 EN-MAX EN-MIN DATA F152400700012 MEV MEV MBQ/MUAHR F152400700013 29.3 14.0 951. F152400700014 ENDDATA 3 0 F152400700015 ENDSUBENT 14 0 F152400799999 SUBENT F1524008 20250117 20250711 F152400800001 BIB 5 6 F152400800002 REACTION (56-BA-136(P,X)56-BA-135-M,,TTY,,PHY,DERIV) F152400800003 DECAY-DATA (56-BA-135-M,28.7HR,DG,268.218,0.0160) F152400800004 SAMPLE Metallic 136Ba was used as the target material. F152400800005 ANALYSIS (INTEF) F152400800006 STATUS (TABLE,,I.A.Khomenko+,J,EPJ/P,139,1121,2024) Table 4 F152400800007 (DEP,F1524004) Excitation function F152400800008 ENDBIB 6 0 F152400800009 NOCOMMON 0 0 F152400800010 DATA 3 1 F152400800011 EN-MAX EN-MIN DATA F152400800012 MEV MEV MBQ/MUAHR F152400800013 29.3 17.4 30. F152400800014 ENDDATA 3 0 F152400800015 ENDSUBENT 14 0 F152400899999 SUBENT F1524009 20250117 20250711 F152400900001 BIB 5 6 F152400900002 REACTION (56-BA-136(P,X)55-CS-132,,TTY,,PHY,DERIV) F152400900003 DECAY-DATA (55-CS-132,6.48D,DG,667.714,0.9759) F152400900004 SAMPLE Metallic 136Ba was used as the target material. F152400900005 ANALYSIS (INTEF) F152400900006 STATUS (TABLE,,I.A.Khomenko+,J,EPJ/P,139,1121,2024) Table 4 F152400900007 (DEP,F1524005) Excitation function F152400900008 ENDBIB 6 0 F152400900009 NOCOMMON 0 0 F152400900010 DATA 3 1 F152400900011 EN-MAX EN-MIN DATA F152400900012 MEV MEV MBQ/MUAHR F152400900013 29.3 23.0 0.3 F152400900014 ENDDATA 3 0 F152400900015 ENDSUBENT 14 0 F152400999999 SUBENT F1524010 20250117 20250711 F152401000001 BIB 5 8 F152401000002 REACTION (56-BA-136(P,X)57-LA-133,,TTY,,PHY,DERIV) F152401000003 DECAY-DATA (57-LA-133,3.912HR,DG,278.835,0.0244, F152401000004 DG,290.06,0.0138, F152401000005 DG,302.38,0.0161) F152401000006 SAMPLE Barium carbonate enriched by the isotope 136Ba was usedF152401000007 ANALYSIS (INTEF) F152401000008 STATUS (TABLE,,I.A.Khomenko+,J,EPJ/P,139,1121,2024) Table 4 F152401000009 (DEP,F1524002) Excitation function F152401000010 ENDBIB 8 0 F152401000011 NOCOMMON 0 0 F152401000012 DATA 3 1 F152401000013 EN-MAX EN-MIN DATA F152401000014 MEV MEV MBQ/MUAHR F152401000015 29.3 26.1 12. F152401000016 ENDDATA 3 0 F152401000017 ENDSUBENT 16 0 F152401099999 ENDENTRY 10 0 F152499999999