ENTRY M0970 20180731 M097M097000000001 SUBENT M0970001 20180731 M097M097000100001 BIB 9 31 M097000100002 TITLE Evaluation of reliable cross sections of partial and M097000100003 total photoneutron reactions for 139La nucleus. M097000100004 AUTHOR (V.V.Varlamov,V.D.Kaidarova) M097000100005 REFERENCE (J,IZV,82,693,2018) M097000100006 #DOI:10.7868/S0367676518060030 M097000100007 (J,BAS,82,614,2018) M097000100008 #DOI:10.3103/S1062873818060321 M097000100009 English translation of IZV,82,693,2018. M097000100010 INSTITUTE (4RUSMOS) M097000100011 INC-SOURCE (QMPH,ARAD) M097000100012 ANALYSIS The joint analysis of data for total (g,xn) and M097000100013 partial (g,n), (g,2n) and (g,3n) reactions obtained M097000100014 in various experiments was carried out. The new M097000100015 approach to analysis of systematic disagreements M097000100016 between data was proposed on the base of new M097000100017 criteria of systematic uncertainties presence - M097000100018 specially proposed transitional multiplicity M097000100019 functions M097000100020 Fi-theor = SIG(g,in)/SIG(g,xn). M097000100021 Using these functions calculated in the frame of M097000100022 combined photonuclear reaction model new reliable M097000100023 and free from problems of neutron multiplicity M097000100024 sorting data for photoneutron partial reactions M097000100025 cross sections M097000100026 SIG-eval(g,in) = Fi-theor x SIG-exp(g,xn) M097000100027 were evaluated using experimental neutron yield M097000100028 reaction cross sections SIG-exp(g,xn). M097000100029 ERR-ANALYS (DATA-ERR) Root-mean-square errors. M097000100030 STATUS (APRVD) Approved by V.Varlamov. M097000100031 HISTORY (20180731C) Data were compiled at the Russia MSU SINP M097000100032 CDFE by V.Varlamov. M097000100033 ENDBIB 31 0 M097000100034 NOCOMMON 0 0 M097000100035 ENDSUBENT 34 0 M097000199999 SUBENT M0970002 20180411 M097M097000200001 BIB 3 10 M097000200002 REACTION (57-LA-139(G,X)0-NN-1,UNW,SIG,,,EVAL) M097000200003 ANALYSIS The total neutron reaction cross section obtained as M097000200004 sum: SIG(g,sn) = SIG(g,n) + SIG(g,2n) + SIG(g,3n). M097000200005 STATUS (TABLE) Data plotted in Fig. 3a. M097000200006 (DEP,M0970003) M097000200007 Evaluated (g,n) reaction cross section. M097000200008 (DEP,M0970004) M097000200009 Evaluated (g,2n) reaction cross section. M097000200010 (DEP,M0970005) M097000200011 Evaluated (g,3n) reaction cross section. M097000200012 ENDBIB 10 0 M097000200013 NOCOMMON 0 0 M097000200014 DATA 3 42 M097000200015 EN DATA DATA-ERR M097000200016 MEV MB MB M097000200017 9.06 22.90 0.94 M097000200018 9.46 27.50 1.09 M097000200019 9.86 38.45 1.42 M097000200020 10.26 43.55 1.58 M097000200021 10.66 58.33 2.05 M097000200022 11.06 66.94 2.33 M097000200023 11.46 87.78 3.00 M097000200024 12.06 97.21 3.31 M097000200025 12.26 97.23 3.32 M097000200026 12.66 153.18 5.16 M097000200027 13.06 173.78 5.84 M097000200028 13.46 225.30 7.55 M097000200029 13.86 256.00 8.64 M097000200030 14.26 318.25 10.69 M097000200031 14.66 342.98 11.51 M097000200032 15.06 361.54 12.13 M097000200033 15.46 357.42 12.00 M097000200034 15.86 338.80 11.38 M097000200035 16.26 293.89 9.90 M097000200036 16.66 276.21 9.32 M097000200037 17.06 219.76 7.44 M097000200038 17.46 178.73 6.07 M097000200039 17.86 148.40 5.06 M097000200040 18.26 128.09 4.38 M097000200041 18.66 107.15 3.70 M097000200042 19.06 100.51 3.48 M097000200043 19.46 82.45 2.91 M097000200044 20.06 69.86 2.51 M097000200045 20.26 70.55 2.54 M097000200046 20.66 73.50 2.63 M097000200047 21.06 67.36 2.44 M097000200048 21.46 63.60 2.33 M097000200049 21.86 62.11 2.29 M097000200050 22.26 51.69 1.99 M097000200051 22.66 48.94 1.91 M097000200052 23.06 46.26 1.83 M097000200053 23.46 47.52 1.87 M097000200054 23.86 46.44 1.85 M097000200055 24.26 42.09 1.73 M097000200056 24.66 40.83 1.70 M097000200057 25.06 38.52 1.76 M097000200058 25.66 38.95 2.33 M097000200059 ENDDATA 44 0 M097000200060 ENDSUBENT 59 0 M097000299999 SUBENT M0970003 20150813 M097M097000300001 BIB 4 19 M097000300002 REACTION ((57-LA-139(G,N)57-LA-138,,SIG,,,EVAL)+ M097000300003 (57-LA-139(G,N+P)56-BA-137,,SIG,,,EVAL)) M097000300004 ANALYSIS The contribution of partial reaction (g,n) cross M097000300005 section into the experimental total neutron yield M097000300006 reaction (g,xn) cross section obtained using M097000300007 quasimonoenergetic annihilation photons at Livermore M097000300008 (USA) was evaluated using specially theoretically M097000300009 calculated transitional multiplicity function - M097000300010 ratio M097000300011 F1-theor = SIG-theor(g,n)/SIG-theor(g,xn) M097000300012 by the way M097000300013 SIG-eval(g,n) = (F1-theor)x(SIG-exp(g,xn)). M097000300014 REL-REF (R,L0024005,H.Beil+,J,NP/A,172,426,1971) M097000300015 (E,,B.S.Ishkhanov+,J,YF,71,517,2008) M097000300016 Theoretical preequilibrium model of photonuclear M097000300017 reactions based on the Fermi gas densities. M097000300018 STATUS (TABLE) Data plotted in Fig. 3b. M097000300019 (DEP,L0024005) M097000300020 The neutron yield reaction (g,xn) cross section. M097000300021 ENDBIB 19 0 M097000300022 NOCOMMON 0 0 M097000300023 DATA 3 42 M097000300024 EN DATA DATA-ERR M097000300025 MEV MB MB M097000300026 9.06 22.90 2.82 M097000300027 9.46 27.50 3.27 M097000300028 9.86 38.45 4.26 M097000300029 10.26 43.55 4.74 M097000300030 10.66 58.33 6.15 M097000300031 11.06 66.94 6.98 M097000300032 11.46 87.78 9.01 M097000300033 12.06 97.21 9.94 M097000300034 12.26 97.23 9.95 M097000300035 12.66 153.18 15.47 M097000300036 13.06 173.78 17.52 M097000300037 13.46 225.30 22.65 M097000300038 13.86 256.00 25.91 M097000300039 14.26 318.25 32.08 M097000300040 14.66 342.98 34.54 M097000300041 15.06 361.54 36.40 M097000300042 15.46 357.42 35.99 M097000300043 15.86 338.80 34.15 M097000300044 16.26 293.89 29.71 M097000300045 16.66 270.06 27.33 M097000300046 17.06 187.34 19.02 M097000300047 17.46 127.80 13.01 M097000300048 17.86 84.22 8.61 M097000300049 18.26 59.25 6.08 M097000300050 18.66 41.73 4.32 M097000300051 19.06 34.30 3.56 M097000300052 19.46 25.66 2.71 M097000300053 20.06 20.52 2.21 M097000300054 20.26 20.67 2.23 M097000300055 20.66 21.99 2.36 M097000300056 21.06 19.97 2.19 M097000300057 21.46 20.28 2.23 M097000300058 21.86 19.15 2.13 M097000300059 22.26 15.87 1.83 M097000300060 22.66 15.42 1.76 M097000300061 23.06 12.54 1.49 M097000300062 23.46 12.22 1.44 M097000300063 23.86 11.29 1.35 M097000300064 24.26 9.14 1.16 M097000300065 24.66 9.14 1.14 M097000300066 25.06 8.32 1.14 M097000300067 25.66 7.90 1.85 M097000300068 ENDDATA 44 0 M097000300069 ENDSUBENT 68 0 M097000399999 SUBENT M0970004 20050221 M097M097000400001 BIB 4 20 M097000400002 REACTION (57-LA-139(G,2N)57-LA-137,,SIG,,,EVAL) M097000400003 ANALYSIS The contribution of partial reaction (g,2n) cross M097000400004 section into the experimental total neutron yield M097000400005 reaction (g,xn) cross section obtained using M097000400006 quasimonoenergetic annihilation photons at Livermore M097000400007 (USA) was evaluated using specially theoretically M097000400008 calculated transitional multiplicity function - M097000400009 ratio M097000400010 F2-theor = SIG-theor(g,2n)/SIG-theor(g,xn) M097000400011 by the way M097000400012 SIG-eval(g,2n) = (F2-theor)x(SIG-exp(g,xn)). M097000400013 REL-REF (R,L0024005,H.Beil+,J,NP/A,172,426,1971) M097000400014 Experimental data for the total neutron yield M097000400015 reaction (g,xn) cross section. M097000400016 (E,,B.S.Ishkhanov+,J,YF,71,517,2008) M097000400017 Theoretical preequilibrium model of photonuclear M097000400018 reactions based on the Fermi gas densities. M097000400019 STATUS (TABLE) Data plotted in Fig. 3c. M097000400020 (DEP,L0024005) M097000400021 The neutron yield reaction (g,xn) cross section. M097000400022 ENDBIB 20 0 M097000400023 NOCOMMON 0 0 M097000400024 DATA 3 23 M097000400025 EN DATA DATA-ERR M097000400026 MEV MB MB M097000400027 16.66 6.15 0.62 M097000400028 17.06 32.43 3.29 M097000400029 17.46 50.93 5.20 M097000400030 17.86 64.19 6.56 M097000400031 18.26 68.83 7.07 M097000400032 18.66 65.42 6.78 M097000400033 19.06 66.21 6.88 M097000400034 19.46 56.79 6.00 M097000400035 20.06 49.34 5.32 M097000400036 20.26 49.89 5.38 M097000400037 20.66 51.51 5.53 M097000400038 21.06 47.39 5.14 M097000400039 21.46 43.32 4.77 M097000400040 21.86 42.96 4.74 M097000400041 22.26 35.82 4.13 M097000400042 22.66 33.51 3.97 M097000400043 23.06 33.73 4.01 M097000400044 23.46 35.30 4.17 M097000400045 23.86 35.15 4.19 M097000400046 24.26 32.95 4.03 M097000400047 24.66 31.68 3.96 M097000400048 25.06 30.20 4.14 M097000400049 25.66 30.10 4.17 M097000400050 ENDDATA 25 0 M097000400051 ENDSUBENT 50 0 M097000499999 SUBENT M0970005 20050221 M097M097000500001 BIB 4 20 M097000500002 REACTION (57-LA-139(G,3N)57-LA-136,,SIG,,,EVAL) M097000500003 ANALYSIS The contribution of partial reaction (g,3n) cross M097000500004 section into the experimental total neutron yield M097000500005 reaction (g,xn) cross section obtained using M097000500006 quasimonoenergetic annihilation photons at Livermore M097000500007 (USA) was evaluated using specially theoretically M097000500008 calculated transitional multiplicity function - M097000500009 ratio M097000500010 F3-theor = SIG-theor(g,3n)/SIG-theor(g,xn) M097000500011 by the way M097000500012 SIG-eval(g,3n) = (F2-theor)x(SIG-exp(g,xn)). M097000500013 REL-REF (R,L0024005,H.Beil+,J,NP/A,172,426,1971) M097000500014 Experimental data for the total neutron yield M097000500015 reaction (g,xn) cross section. M097000500016 (E,,B.S.Ishkhanov+,J,YF,71,517,2008) M097000500017 Theoretical preequilibrium model of photonuclear M097000500018 reactions based on the Fermi gas densities. M097000500019 STATUS (TABLE) Data plotted in Fig. 3d. M097000500020 (DEP,L0024005) M097000500021 The neutron yield reaction (g,xn) cross section. M097000500022 ENDBIB 20 0 M097000500023 NOCOMMON 0 0 M097000500024 DATA 3 5 M097000500025 EN DATA DATA-ERR M097000500026 MEV MB MB M097000500027 26.13 0.00 0.41 M097000500028 26.67 0.63 0.38 M097000500029 27.08 1.88 0.47 M097000500030 27.72 3.44 0.50 M097000500031 28.30 5.00 0.69 M097000500032 ENDDATA 7 0 M097000500033 ENDSUBENT 32 0 M097000599999 SUBENT M0970006 20180803 M097M097000600001 BIB 3 4 M097000600002 REACTION (57-LA-139(G,X)0-NN-1,UNW,INT,,,EVAL) M097000600003 ANALYSIS Integration of evaluated cross section. M097000600004 STATUS (DEP,M0970002) Evaluated cross section. M097000600005 (TABLE) Data presented in Table 2. M097000600006 ENDBIB 4 0 M097000600007 NOCOMMON 0 0 M097000600008 DATA 3 39 M097000600009 EN-MAX DATA DATA-ERR M097000600010 MEV MB*MEV MB*MEV M097000600011 16.27 1343.46 12.68 M097000600012 25.41 2152.72 14.59 M097000600013 27.00 2176.09 14.66 M097000600014 ENDDATA 5 0 M097000600015 ENDSUBENT 14 0 M097000699999 SUBENT M0970007 20180803 M097M097000700001 BIB 3 5 M097000700002 REACTION ((57-LA-139(G,N)57-LA-138,,INT,,,EVAL)+ M097000700003 (57-LA-139(G,N+P)56-BA-137,,INT,,,EVAL)) M097000700004 ANALYSIS Integration of evaluated cross section. M097000700005 STATUS (DEP,M0970003) Evaluated cross section. M097000700006 (TABLE) Data presented in Table 2. M097000700007 ENDBIB 5 0 M097000700008 NOCOMMON 0 0 M097000700009 DATA 3 39 M097000700010 EN-MAX DATA DATA-ERR M097000700011 MEV MB*MEV MB*MEV M097000700012 16.27 1343.46 38.05 M097000700013 25.41 1763.54 41.04 M097000700014 27.00 1768.28 41.05 M097000700015 ENDDATA 5 0 M097000700016 ENDSUBENT 15 0 M097000799999 SUBENT M0970008 20180803 M097M097000800001 BIB 3 4 M097000800002 REACTION (57-LA-139(G,2N)57-LA-137,,INT,,,EVAL) M097000800003 ANALYSIS Integration of evaluated cross section. M097000800004 STATUS (DEP,M0970004) Evaluated cross section. M097000800005 (TABLE) Data presented in Table 2. M097000800006 ENDBIB 4 0 M097000800007 NOCOMMON 0 0 M097000800008 DATA 3 29 M097000800009 EN-MAX DATA DATA-ERR M097000800010 MEV MB*MEV MB*MEV M097000800011 25.41 389.17 9.55 M097000800012 27.00 407.23 9.87 M097000800013 ENDDATA 4 0 M097000800014 ENDSUBENT 13 0 M097000899999 ENDENTRY 8 0 M097099999999