ENTRY M1050 20240806 M105000000001 SUBENT M1050001 20240806 20250110 M105000100001 BIB 15 35 M105000100002 TITLE Evaluation of 180Ta-M formation cross-sections in M105000100003 photonuclear reactions. M105000100004 AUTHOR (R.V.Avetisyan,A.G.Barseghyan,Yu.A.Gharibyan, M105000100005 A.V.Gyurjinyan,H.A.Mkrtchyan,A.Yu.Petrosyan, M105000100006 I.A.Kerobyan) M105000100007 REFERENCE (J,NP/A,1046,122846,2024) M105000100008 #doi:10.1016/j.nuclphysa.2024.122846 M105000100009 INSTITUTE (4ARMJER) M105000100010 FACILITY (LINAC,4ARMJER) Linear electron accelerator LUE-75 at M105000100011 the A.I.Alikhanian National Science Laboratory M105000100012 (AANL), Yerevan, Armenia. M105000100013 INC-SOURCE (BRST) Bremsstrahlung with end-point energy 20 MeV. M105000100014 SAMPLE The natural Ta and Cu (monitor) targets. M105000100015 MONITOR (29-CU-65(G,N)29-CU-64,,SIG) M105000100016 COMMENT Owing to the different thresholds of the M105000100017 65Cu(g,n)64Cu and natTa(g,n)180gTa reactions the M105000100018 photon flux obtained from the 65Cu(g,n)64Cu reaction M105000100019 was modified using a conversion factor, which M105000100020 incorporated the value of the threshold energy of M105000100021 each studied reaction. M105000100022 DETECTOR (HPGE) High-purity Ge (HPGe); CANBERRA) germanium M105000100023 detector with the GENIE 2000 software. M105000100024 METHOD (GSPEC) M105000100025 ANALYSIS The flux-weighted average cross-section of the M105000100026 reaction 181Ta(g,n)180mTa was evaluated using the M105000100027 subtraction of experimentally determined M105000100028 cross-section of the reaction 181Ta(g,n)180gTa from M105000100029 the experimental cross-section of reaction M105000100030 181Ta(g,n)180m+gTa estimated using experimental M105000100031 cross-section of reaction 181Ta(g,n)180Ta, equations M105000100032 (1) and (2) of article. M105000100033 ERR-ANALYS (DATA-ERR) No information. M105000100034 STATUS (APRVD) By R.V.Avetisyan. M105000100035 HISTORY (20240806C) Compiled at the Russia MSU SINP CDFE by M105000100036 V.Varlamov. M105000100037 ENDBIB 35 0 M105000100038 COMMON 1 3 M105000100039 EN-MAX M105000100040 MEV M105000100041 20. M105000100042 ENDCOMMON 3 0 M105000100043 ENDSUBENT 42 0 M105000199999 SUBENT M1050002 20240806 20250110 M105000200001 BIB 4 8 M105000200002 REACTION (73-TA-181(G,N)73-TA-180-G,,SIG,,BRA) M105000200003 Flux-weighted average cross-section. M105000200004 DECAY-DATA (73-TA-180-G,8.15HR,DG,93.324,0.451) M105000200005 ANALYSIS The flux-weighted average cross-section of the M105000200006 181Ta(g,n)180gTa reaction was determined using the M105000200007 activation method. M105000200008 STATUS (TABLE,,R.V.Avetisyan+,J,NP/A,1046,122846,2024) M105000200009 Data from Table 2. M105000200010 ENDBIB 8 0 M105000200011 NOCOMMON 0 0 M105000200012 DATA 2 1 M105000200013 DATA DATA-ERR M105000200014 MB MB M105000200015 135.61 15.49 M105000200016 ENDDATA 3 0 M105000200017 ENDSUBENT 16 0 M105000299999 SUBENT M1050003 20240806 20250110 M105000300001 BIB 6 30 M105000300002 REACTION 1(73-TA-181(G,N)73-TA-180-M,,SIG,,BRA,DERIV) M105000300003 Flux-weighted average cross-section. M105000300004 2(73-TA-181(G,N)73-TA-180-M,,SIG,,BRA,DERIV) M105000300005 Flux-weighted average cross-section. M105000300006 DECAY-DATA (73-TA-180-G,8.15HR,DG,93.324,0.451) M105000300007 ANALYSIS The flux-weighted average cross-section for M105000300008 180mTa production was determined by M105000300009 arithmetically subtracting the 180gTa M105000300010 cross-sections from the evaluated M105000300011 180m+gTa total flux-weighted average M105000300012 cross-sections. M105000300013 1Experimental cross-section of reaction M105000300014 73-Ta-180(G,N)73-TA-180 was used for M105000300015 evaluation. M105000300016 2GEANT4 data were used for evaluation. M105000300017 ASSUMED (ASSUM,73-TA-181(G,N)73-TA-180,,SIG,,BRA) M105000300018 The total number of events with single neutron M105000300019 emission correspond to the total cross-section of M105000300020 the reaction 181Ta(g,n)180m+gTa. M105000300021 The cross-section of reaction 181Ta(g,n)180m+gTa M105000300022 was estimated (equations (1) and (2) of article) M105000300023 using experimental cross-section of reaction M105000300024 181Ta(g,n)180Ta and one calculated using GEANT4 M105000300025 code. M105000300026 REL-REF 1(R,L0012015,R.Bergere+,J,NP/A,121,463,1968) M105000300027 Experimental data for cross-section of reaction M105000300028 73-Ta-180(G,N)73-TA-180. M105000300029 STATUS (DEP,M1050002) M105000300030 (TABLE,,R.V.Avetisyan+,J,NP/A,1046,122846,2024) M105000300031 Data from Table 2. M105000300032 ENDBIB 30 0 M105000300033 NOCOMMON 0 0 M105000300034 DATA 8 1 M105000300035 DATA 1DATA-ERR 1DATA 2DATA-ERR 2ASSUM 1ASSUM-ERR 1M105000300036 ASSUM 2ASSUM-ERR 2 M105000300037 MB MB MB MB MB MB M105000300038 MB MB M105000300039 8.18 0.93 9.12 1.04 143.79 3.62 M105000300040 144.73 16.52 M105000300041 ENDDATA 6 0 M105000300042 ENDSUBENT 41 0 M105000399999 SUBENT M1050004 20240806 20250110 M105000400001 BIB 3 8 M105000400002 REACTION 1(73-TA-181(G,N)73-TA-180-M/G,,SIG/RAT,,BRA,DERIV) M105000400003 2(73-TA-181(G,N)73-TA-180-M/G,,SIG/RAT,,BRA,DERIV) M105000400004 DECAY-DATA (73-TA-180-G,8.15HR,DG,93.324,0.451) M105000400005 (73-TA-180-M,7.15E+15YR) M105000400006 STATUS (DEP,M1050002) M105000400007 (DEP,M1050003) M105000400008 (TABLE,,R.V.Avetisyan+,J,NP/A,1046,122846,2024) M105000400009 Data from Table 2. M105000400010 ENDBIB 8 0 M105000400011 NOCOMMON 0 0 M105000400012 DATA 4 1 M105000400013 DATA 1DATA-ERR 1DATA 2DATA-ERR 2 M105000400014 NO-DIM NO-DIM NO-DIM NO-DIM M105000400015 0.0500 0.0085 0.0600 0.0095 M105000400016 ENDDATA 3 0 M105000400017 ENDSUBENT 16 0 M105000499999 ENDENTRY 4 0 M105099999999