ENTRY O1512 20221212 O151200000001 SUBENT O1512001 20221212 20230412 O151200100001 BIB 13 61 O151200100002 TITLE Excitation functions of (a,xn) reactions on Rb-natural O151200100003 and Sr-natural from threshold up to 26 MeV: possibilityO151200100004 of production of Y-87, Y-88 and Zr-89 O151200100005 AUTHOR (S.A.Kandil, I.Spahn, B.Scholten, Z.A.Saleh, O151200100006 S.M.M.Saad, H.H.Coenen, S.M.Qaim) O151200100007 INSTITUTE (2GERJUL,3EGYCAI) O151200100008 REFERENCE (J,ARI,65,561,2007) O151200100009 SAMPLE Nat-Rb(Cl), 99.99% and nat-SrCO(3), 99.99% were used. O151200100010 Thin samples of strontium carbonate were prepared. A O151200100011 thin Al-foil, 25-mu-m thick and 13-mm in diameter, was O151200100012 used as backing. A suspension of very fine strontium O151200100013 carbonate in ethanol was obtained by mixing and O151200100014 stirring. To avoid contamination, the surface of the O151200100015 sample was covered with a 10-mu-m thick Al-foil. O151200100016 For preparing samples of rubidium chloride, the powder O151200100017 was pressed on a Al-foil of 10 mu-m thickness and 13-mmO151200100018 diameter under a pressure of 6 ton/cm**2 for 10-15-min.O151200100019 Samples of thickness 18-22-mg/cm**2 were obtained. TheyO151200100020 were mechanically stable. Also in this case each sampleO151200100021 was covered with a 10 mum thick Al-foil. O151200100022 ADD-RES (COMP).With available in the literature data. O151200100023 Integral yields of the products were calculated- O151200100024 nuclide energy range yield O151200100025 MeV MBq/muahr O151200100026 Y-88 15.-5. 0.04 O151200100027 20.-5. 0.07 O151200100028 26.-5. 0.08 O151200100029 Y-87 26.-13. 11.2 O151200100030 26.-15. 11.0 O151200100031 26.-20. 8.2 O151200100032 Zr-89 15.-8.5 0.3 O151200100033 20.-8.5 0.9 O151200100034 26.-8.5 1.6 O151200100035 MONITOR (29-CU-0(A,X)30-ZN-65,,SIG) O151200100036 (22-TI-0(A,X)24-CR-51,,SIG) O151200100037 MONIT-REF (,F.Tarkanyi+,R,IAEA-TECDOC-1211,126,2001) beam O151200100038 monitor reaction. O151200100039 DETECTOR (HPGE) HP(Ge) detector of 145-cm**3 active volume. O151200100040 FACILITY (CYCLO,2GERJUL) The compact CV-28 cyclotron O151200100041 METHOD (STTA,BCINT) O151200100042 ERR-ANALYS (ERR-T) The total uncertainty in the measured cross O151200100043 section was obtained by taking the square root of the O151200100044 sum of the squares of all the estimated individual O151200100045 uncertainties and was 15%. O151200100046 (ERR-1,,1.) The error in average target thickness is O151200100047 less than 1%. O151200100048 (ERR-2) The error in target non-homogeneity is 4%. O151200100049 (ERR-3,5.,10.) The error in the detector O151200100050 efficiency is 5-10%. O151200100051 (ERR-4,,4.) The error in counting statistics and peak O151200100052 area analysis is less than 4%. O151200100053 (ERR-5,8.,10.) The error in beam current is 8-10%. O151200100054 (EN-ERR) The uncertainty in the alpha-particle energy O151200100055 effective at a sample ranged between 0.8 and 1.8-MeV O151200100056 for Rb(Cl) samples, the highest uncertainty being O151200100057 associated with the samples at the end of the stack. O151200100058 For SrCO(3) samples, it was only between 0.4 and O151200100059 0.7-MeV. O151200100060 HISTORY (20070508C) SB O151200100061 (20070510U) Last checking has been done. O151200100062 (20221212A) SD: Corrections in all Subents. O151200100063 ENDBIB 61 0 O151200100064 COMMON 1 3 O151200100065 ERR-2 O151200100066 PER-CENT O151200100067 4. O151200100068 ENDCOMMON 3 0 O151200100069 ENDSUBENT 68 0 O151200199999 SUBENT O1512002 20221212 20230412 O151200200001 BIB 5 8 O151200200002 REACTION (37-RB-0(A,X)39-Y-88,,SIG) O151200200003 DECAY-DATA (39-Y-88,106.6D,DG,898.,0.937,DG,1836.,0.992) O151200200004 REL-REF (A,P0064001,S.Iwata,J,JPJ,17,1323,1962) Within energy O151200200005 17-25-MeV, but have some discrepancy over the energy O151200200006 range 13-17-MeV. O151200200007 (D,A0284001,Y.Homma+,J,ARI,31,399,1980) O151200200008 STATUS (TABLE) Tbl.2 from Appl.Rad.Isot.,65(2007)561 O151200200009 HISTORY (20221212U) SD: DATA-ERR -> ERR-T; STATUS added. O151200200010 ENDBIB 8 0 O151200200011 NOCOMMON 0 0 O151200200012 DATA 4 14 O151200200013 EN EN-ERR DATA ERR-T O151200200014 MEV MEV MB MB O151200200015 5.6 1.8 17. 3. O151200200016 10.8 1.2 74. 11. O151200200017 10.9 1.1 105. 16. O151200200018 11.5 1.0 222. 33. O151200200019 12.7 1.1 178. 27. O151200200020 14.3 1.1 322. 48. O151200200021 17.2 0.9 240. 36. O151200200022 17.2 0.7 206. 31. O151200200023 17.4 0.9 271. 41. O151200200024 18.8 0.9 95. 14. O151200200025 21.0 0.9 64. 10. O151200200026 21.9 0.8 33. 5. O151200200027 24.1 0.9 44. 8. O151200200028 24.2 0.8 60. 10. O151200200029 ENDDATA 16 0 O151200200030 ENDSUBENT 29 0 O151200299999 SUBENT O1512003 20221212 20230412 O151200300001 BIB 6 10 O151200300002 REACTION (37-RB-0(A,X)39-Y-87-M,,SIG) O151200300003 DECAY-DATA (39-Y-87-M,13.4HR,DG,380.8,0.78) O151200300004 REL-REF (D,A0284001,Y.Homma+,J,ARI,31,399,1980) O151200300005 COMMENT *By authors*.The cross sections are good agreement withO151200300006 the data of Levkovskij (Inter-Vesti, Moscow,1991) in O151200300007 the energy range of 20-25-MeV. Below 20-MeV, there O151200300008 appears to be an energy shift of about 1-MeV between O151200300009 present data and Levkovskij's data. See A0510 O151200300010 STATUS (TABLE) Tbl.2 from Appl.Rad.Isot.,65(2007)561 O151200300011 HISTORY (20221212U) SD: DATA-ERR -> ERR-T; STATUS added. O151200300012 ENDBIB 10 0 O151200300013 NOCOMMON 0 0 O151200300014 DATA 4 9 O151200300015 EN EN-ERR DATA ERR-T O151200300016 MEV MEV MB MB O151200300017 14.3 1.1 152. 23. O151200300018 17.2 0.9 318. 48. O151200300019 17.2 0.7 275. 41. O151200300020 17.4 0.9 342. 51. O151200300021 18.8 0.9 389. 58. O151200300022 21.0 0.9 634. 95. O151200300023 21.9 0.8 583. 87. O151200300024 24.1 0.9 658. 99. O151200300025 24.2 0.8 894. 134. O151200300026 ENDDATA 11 0 O151200300027 ENDSUBENT 26 0 O151200399999 SUBENT O1512004 20221212 20230412 O151200400001 BIB 6 16 O151200400002 REACTION (37-RB-0(A,X)39-Y-87,,SIG) O151200400003 DECAY-DATA (39-Y-87-M,13.4HR,DG,380.8,0.78) O151200400004 (39-Y-87-G,79.8HR,DG,388.5,0.82,DG,484.8,0.897) O151200400005 REL-REF (D,A0284001,S.Iwata,J,JPJ,17,1323,1962) O151200400006 (D,A0111001,R.Guin+,J,RCA,88,435,2000) O151200400007 COMMENT *By authors*.The ground state was done after complete O151200400008 decay of the metastable state, all the data for the O151200400009 formation of Y-87 represent the sum of the O151200400010 cross-sections of the two reactions O151200400011 the data of Levkovskij (Inter-Vesti, Moscow,1991) due O151200400012 to the very low sigma-ground values, the summed cross O151200400013 section is also rather low and the sudden decrease O151200400014 beyond about 25-MeV is not explainable. See a0510 O151200400015 STATUS (TABLE) Tbl.2 from Appl.Rad.Isot.,65(2007)561 O151200400016 HISTORY (20221212A) SD: SF1=Rb-85 -> Rb-0; SF3=2N -> X in O151200400017 REACTION code. DATA-ERR -> ERR-T; STATUS added. O151200400018 ENDBIB 16 0 O151200400019 NOCOMMON 0 0 O151200400020 DATA 4 9 O151200400021 EN EN-ERR DATA ERR-T O151200400022 MEV MEV MB MB O151200400023 14.3 1.1 282. 42. O151200400024 17.2 0.9 533. 80. O151200400025 17.2 0.7 439. 66. O151200400026 17.4 0.9 529. 79. O151200400027 18.8 0.9 638. 96. O151200400028 21.0 0.9 808. 121. O151200400029 21.9 0.8 880. 132. O151200400030 24.1 0.9 1003. 151. O151200400031 24.2 0.8 1057. 159. O151200400032 ENDDATA 11 0 O151200400033 ENDSUBENT 32 0 O151200499999 SUBENT O1512005 20221212 20230412 O151200500001 BIB 5 9 O151200500002 REACTION (38-SR-0(A,X)40-ZR-89-G,M+,SIG) O151200500003 DECAY-DATA (40-ZR-89-G,78.4HR,DG,909.,1.) O151200500004 COMMENT *By authors*.The cross sections are good agreement withO151200500005 the data of Levkovskij (Inter-Vesti, Moscow,1991) in O151200500006 the energy range of 13-24-MeV. Below 13-MeV, present O151200500007 data strengh then the database. See a0510 O151200500008 STATUS (TABLE) Tbl.3 from Appl.Rad.Isot.,65(2007)561 O151200500009 HISTORY (20221212A) SD: SF4=Zr-89 -> Zr-89g; SF5=M+ in O151200500010 REACTION code. DATA-ERR -> ERR-T; STATUS added. O151200500011 ENDBIB 9 0 O151200500012 NOCOMMON 0 0 O151200500013 DATA 4 16 O151200500014 EN EN-ERR DATA ERR-T O151200500015 MEV MEV MB MB O151200500016 8.5 0.7 12. 2. O151200500017 10.4 0.6 19. 3. O151200500018 10.7 0.6 31. 5. O151200500019 12.8 0.6 54. 8. O151200500020 13.6 0.6 54. 8. O151200500021 14.7 0.6 58. 9. O151200500022 15.0 0.6 67. 10. O151200500023 16.7 0.6 89. 13. O151200500024 18.5 0.6 90. 14. O151200500025 19.0 0.7 88. 13. O151200500026 19.7 0.6 90. 14. O151200500027 21.2 0.6 96. 14. O151200500028 22.6 0.6 92. 14. O151200500029 22.8 0.6 80. 12. O151200500030 24.2 0.6 92. 14. O151200500031 25.3 0.7 70. 11. O151200500032 ENDDATA 18 0 O151200500033 ENDSUBENT 32 0 O151200599999 SUBENT O1512006 20221212 20230412 O151200600001 BIB 5 7 O151200600002 REACTION (38-SR-0(A,X)40-ZR-88,,SIG) O151200600003 DECAY-DATA (40-ZR-88,83.4D,DG,393.,0.97) O151200600004 COMMENT *By authors*. Present experimental results confirm theO151200600005 normalised data of Levkovskij (Inter-Vesti, Moscow, O151200600006 1991) up to 25-MeV. See a0510 O151200600007 STATUS (TABLE) Tbl.3 from Appl.Rad.Isot.,65(2007)561 O151200600008 HISTORY (20221212U) SD: DATA-ERR -> ERR-T; STATUS added. O151200600009 ENDBIB 7 0 O151200600010 NOCOMMON 0 0 O151200600011 DATA 4 11 O151200600012 EN EN-ERR DATA ERR-T O151200600013 MEV MEV MB MB O151200600014 14.7 0.6 2. 1. O151200600015 15.0 0.6 3. 1. O151200600016 16.7 0.6 9. 4. O151200600017 18.5 0.6 42. 6. O151200600018 19.0 0.7 36. 5. O151200600019 19.7 0.6 27. 4. O151200600020 21.2 0.6 70. 10. O151200600021 22.6 0.6 82. 12. O151200600022 22.8 0.6 107. 16. O151200600023 24.2 0.6 139. 21. O151200600024 25.3 0.7 130. 20. O151200600025 ENDDATA 13 0 O151200600026 ENDSUBENT 25 0 O151200699999 SUBENT O1512007 20221212 20230412 O151200700001 BIB 5 8 O151200700002 REACTION (38-SR-0(A,X)40-ZR-86,,SIG) O151200700003 COMMENT *By authors*. These data have small values due to the O151200700004 very small abundance of Sr-84, 0.56% in natural O151200700005 strontium. O151200700006 DECAY-DATA (40-ZR-86,16.5HR,DG,242.8,0.96) O151200700007 STATUS (TABLE) Tbl.3 from Appl.Rad.Isot.,65(2007)561 O151200700008 HISTORY (20221212A) SD: Right part of reaction combination O151200700009 deleted. DATA-ERR -> ERR-T; STATUS added. O151200700010 ENDBIB 8 0 O151200700011 NOCOMMON 0 0 O151200700012 DATA 4 8 O151200700013 EN EN-ERR DATA ERR-T O151200700014 MEV MEV MB MB O151200700015 18.5 0.6 0.31 0.05 O151200700016 19.0 0.7 0.39 0.06 O151200700017 19.7 0.6 0.30 0.05 O151200700018 21.2 0.6 1.03 0.15 O151200700019 22.6 0.6 0.96 0.14 O151200700020 22.8 0.6 1.51 0.23 O151200700021 24.2 0.6 2.27 0.34 O151200700022 25.3 0.7 2.13 0.32 O151200700023 ENDDATA 10 0 O151200700024 ENDSUBENT 23 0 O151200799999 ENDENTRY 7 0 O151299999999