ENTRY D4022 20210929 D132D402200000001 SUBENT D4022001 20210929 D132D402200100001 BIB 16 61 D402200100002 TITLE Excitation function of proton induced nuclear D402200100003 reactions on highly enriched Kr-78: relevant to the D402200100004 production of Br-75 and Br-77 at a small cyclotron D402200100005 AUTHOR (F.Tarkanyi,Z.Kovacs,S.M.Qaim) D402200100006 INSTITUTE (3HUNDEB,2GERJUL) D402200100007 EXP-YEAR (1993) D402200100008 REFERENCE (J,ARI,44,1105,1993) D402200100009 FACILITY (ISOCY,2GERJUL) D402200100010 STATUS (TABLE) Table 2 of Appl.Radiat.Isot44(1993)1105. D402200100011 (APRVD) approved by author D402200100012 SAMPLE (36-KR-78,ENR=0.994) D402200100013 99.4% Enriched Kr-78, single or stacked gas cells (2cm D402200100014 diam, 2.5Cm length staniless-steel) 50 to 100 microns D402200100015 of Al windows, 0.27 - 0.64 Bar gas pressure. D402200100016 METHOD (STTA,ACTIV,EXTB,ACTIV,BCINT) D402200100017 20.4, 18.7 And 14.8 MeV primary proton energies. D402200100018 200-500 Namp beam current. Cu and Al D402200100019 energy absorber foils. Cu monitor foils in front and D402200100020 at the back of each cells to monitor beam current and D402200100021 energy according to F. Tarkaanyi et Al., Acta D402200100022 radiolog. Suppl. 376,72,1991 And H. Piel et Al., D402200100023 radiochimica acta, 57,1,1992. Direct beam current D402200100024 measurements with faraday cup. Range-energy D402200100025 calculation according to C.F.Williamson et Al. In D402200100026 general the activity of the samples were measured D402200100027 without chemical separation. In few cases the bromine D402200100028 isotopes were separated. Separation yield was 90%. D402200100029 DETECTOR (GELI) D402200100030 COMMENT in a separate series of irradiations the Br-77 yield D402200100031 was determined using krypton gas of natural isotopic D402200100032 composition in stacked gas cells. 3 Bar filling D402200100033 pressure. Irradiation with 38 MeV and 30 MeV primary D402200100034 proton energies for 2 hours with 200 namp. D402200100035 ADD-RES (TTY-C)thin and thick target yields for the formation D402200100036 of Kr-77, Br-77 and Br-75 calculated from the measured D402200100037 excitation functions. Evaluation of methods for D402200100038 production of Br-75 and Br-77 at low and middle energy D402200100039 cyclotrons. D402200100040 MONITOR (29-CU-63(P,N)30-ZN-63,,SIG) D402200100041 (29-CU-63(P,2N)30-ZN-62,,SIG) D402200100042 (29-CU-65(P,N)30-ZN-65,,SIG) D402200100043 MONIT-REF (,R.Colle+,J,PR/C,9,1819,1974) D402200100044 (,A.Gruetter,J,NP/A,383,98,1982) D402200100045 (,P.Kopecky,J,ARI,36,657,1985) D402200100046 ERR-ANALYS (ERR-T). The total error of the cross sections was D402200100047 derived as the square root of the sum of square of the D402200100048 individual errors. D402200100049 - peak are analysis: 1-2%, near threshold more than 10%D402200100050 (ERR-1) beam current: 10% D402200100051 (ERR-2) number of target atoms: 5% D402200100052 (ERR-3) detector efficiency and counting geometry: 5% D402200100053 (ERR-4,,3.) decay data: < 3%, D402200100054 (ERR-5) chemical separation: 5% D402200100055 (EN-ERR)error was estimated on the basis of monitor D402200100056 reaction. Error sources: density reduction, beam D402200100057 broadening, position of cell windows D402200100058 HISTORY (19951025C) D402200100059 (19951027U) D402200100060 (20060730A) BIB section upgrated. Ref.corrected D402200100061 (20210928A) VS. SF3=X in 002. ERR-ANALYS: codes added. D402200100062 DATA-ERR->ERR-T in 001-004. SAMPLE: code added. D402200100063 ENDBIB 61 0 D402200100064 COMMON 4 3 D402200100065 ERR-1 ERR-2 ERR-3 ERR-5 D402200100066 PER-CENT PER-CENT PER-CENT PER-CENT D402200100067 10. 5. 5. 5. D402200100068 ENDCOMMON 3 0 D402200100069 ENDSUBENT 68 0 D402200199999 SUBENT D4022002 20210929 D132D402200200001 BIB 6 13 D402200200002 REACTION (36-KR-78(P,X)36-KR-77,,SIG) D402200200003 RAD-DET (36-KR-77,DG) D402200200004 DECAY-DATA (36-KR-77,1.24HR,DG,129.8,0.80, D402200200005 DG,146.4,0.368, D402200200006 DG,276.2,0.0288, D402200200007 DG,312.1,0.368) D402200200008 REL-REF (D,,F.Helus+,J,JRN/L,153,417,1991) D402200200009 COMMENT the cross section by Helus et al. J. Radioanal.Nucl. D402200200010 Chem. Lett. 153,417,1991 Deduced from his respective D402200200011 yield data are incorrect containing presumably D402200200012 calculational errors. D402200200013 HISTORY (20210928A) VS. SF3=X c.f Memo CP-D/0999 D402200200014 DATA-ERR->ERR-T D402200200015 ENDBIB 13 0 D402200200016 NOCOMMON 0 0 D402200200017 DATA 4 29 D402200200018 EN EN-ERR DATA ERR-T D402200200019 MEV MEV MB MB D402200200020 13.73 0.31 0.10 0.06 D402200200021 14.74 0.30 1.2 0.8 D402200200022 14.95 0.26 3.6 0.6 D402200200023 15.17 0.25 4.5 0.6 D402200200024 15.67 0.23 23.4 3.0 D402200200025 15.73 0.25 11.5 1.5 D402200200026 15.74 0.26 18.7 2.5 D402200200027 16.17 0.32 60.8 7.7 D402200200028 16.35 0.20 63.1 8.0 D402200200029 16.45 0.22 54.2 6.9 D402200200030 16.51 0.20 65.9 8.3 D402200200031 16.68 0.22 67.1 8.6 D402200200032 17.02 0.18 111. 15. D402200200033 17.03 0.30 138. 18. D402200200034 17.10 0.30 130. 17. D402200200035 17.15 0.19 112. 15. D402200200036 17.56 0.18 138. 18. D402200200037 17.66 0.27 179. 23. D402200200038 17.67 0.15 160. 21. D402200200039 17.77 0.15 155. 20. D402200200040 17.82 0.16 181. 23. D402200200041 17.97 0.25 192. 24. D402200200042 18.19 0.15 240. 31. D402200200043 18.30 0.25 242. 31. D402200200044 18.41 0.22 214. 27. D402200200045 18.81 0.15 241. 31. D402200200046 18.93 0.22 293. 37. D402200200047 19.53 0.20 343. 44. D402200200048 19.62 0.20 292. 37. D402200200049 ENDDATA 31 0 D402200200050 ENDSUBENT 49 0 D402200299999 SUBENT D4022003 20210929 D132D402200300001 BIB 6 17 D402200300002 REACTION (36-KR-78(P,X)36-KR-77,CUM,SIG) D402200300003 RAD-DET (36-KR-77,DG) D402200300004 DECAY-DATA (36-KR-77,1.24HR,DG,129.8,0.80, D402200300005 DG,146.4,0.368, D402200300006 DG,276.2,0.0288, D402200300007 DG,312.1,0.368) D402200300008 REL-REF (D,,F.Helus+,J,JRN/L,153,417,1991) D402200300009 COMMENT (by author).Contribution processes: direct production D402200300010 of Br-77 via Kr-78(p,2p)Br-77 reaction and total decay D402200300011 of the produced Kr-77 percent nuclei. Target gas D402200300012 contained: 0.6% Kr-80. The contribution of Kr- D402200300013 80(p,alpha)Br-77 process was estimated less than D402200300014 0.2%.The cross section by Helus et al. J. D402200300015 Radioanal.Nucl. Chem. Lett. 153,417,1991 Deduced from D402200300016 his respective yield data are incorrect containing D402200300017 presumably calculational errors. D402200300018 HISTORY (20210928A) VS. DATA-ERR->ERR-T. D402200300019 ENDBIB 17 0 D402200300020 NOCOMMON 0 0 D402200300021 DATA 4 19 D402200300022 EN EN-ERR DATA ERR-T D402200300023 MEV MEV MB MB D402200300024 14.95 0.26 5.8 0.8 D402200300025 15.17 0.25 7.0 0.9 D402200300026 15.67 0.23 29.6 4.1 D402200300027 15.73 0.25 16.7 2.1 D402200300028 16.35 0.20 61.4 8.4 D402200300029 16.45 0.22 57.2 7.2 D402200300030 16.51 0.20 69.8 8.8 D402200300031 17.02 0.18 114. 16. D402200300032 17.03 0.30 124. 16. D402200300033 17.15 0.19 109. 14. D402200300034 17.19 0.20 153. 20. D402200300035 17.66 0.27 184. 24. D402200300036 17.67 0.15 154. 21. D402200300037 17.77 0.15 138. 18. D402200300038 17.82 0.16 175. 23. D402200300039 18.19 0.15 234. 30. D402200300040 18.30 0.25 228. 29. D402200300041 18.93 0.22 274. 35. D402200300042 19.53 0.20 293. 37. D402200300043 ENDDATA 21 0 D402200300044 ENDSUBENT 43 0 D402200399999 SUBENT D4022004 20210929 D132D402200400001 BIB 6 14 D402200400002 REACTION (36-KR-78(P,A)35-BR-75,,SIG) D402200400003 RAD-DET (35-BR-75,DG) D402200400004 DECAY-DATA (35-BR-75,1.62HR,DG,286.6,0.921, D402200400005 DG,377.4,0.041, D402200400006 DG,427.9,0.045, D402200400007 DG,952.3,0.0174) D402200400008 REL-REF (D,,F.Helus+,J,JRN/L,153,417,1991) D402200400009 (D,,A.M.Friedman+,J,JLCR,19,1427,1982) D402200400010 COMMENT (by author).The cross section by Helus et al. J. D402200400011 Radioanal.Nucl. Chem. Lett. 153,417,1991 and D402200400012 A.M.Friedman et al., J, Label. Compounds Radiopharm., D402200400013 19,1427,82 deduced from their respective yield data areD402200400014 incorrect containing presumably calculational errors. D402200400015 HISTORY (20210928A) VS. DATA-ERR->ERR-T. D402200400016 ENDBIB 14 0 D402200400017 NOCOMMON 0 0 D402200400018 DATA 4 39 D402200400019 EN EN-ERR DATA ERR-T D402200400020 MEV MEV MB MB D402200400021 10.82 0.28 3.3 0.4 D402200400022 11.72 0.25 7.0 0.9 D402200400023 12.17 0.21 9.5 1.2 D402200400024 12.19 0.37 5.4 0.7 D402200400025 12.28 0.40 5.4 0.8 D402200400026 13.38 0.18 10.6 1.4 D402200400027 13.73 0.31 9.9 1.3 D402200400028 14.13 0.32 14.4 1.9 D402200400029 14.16 0.15 17.5 2.3 D402200400030 14.74 0.30 10.0 1.4 D402200400031 14.95 0.26 14.3 2.0 D402200400032 15.17 0.25 15.4 2.0 D402200400033 15.67 0.23 19.0 2.5 D402200400034 15.73 0.25 15.8 2.0 D402200400035 15.74 0.26 15.8 2.0 D402200400036 15.90 0.25 27.9 3.6 D402200400037 16.17 0.32 17.0 2.2 D402200400038 16.35 0.20 20.9 2.7 D402200400039 16.45 0.22 22.8 2.9 D402200400040 16.51 0.20 19.9 2.5 D402200400041 16.68 0.22 17.6 2.3 D402200400042 17.02 0.18 23.4 3.1 D402200400043 17.03 0.30 27.4 3.5 D402200400044 17.10 0.30 18.9 2.4 D402200400045 17.15 0.19 25.9 3.3 D402200400046 17.19 0.20 28.2 5.0 D402200400047 17.56 0.18 19.2 2.6 D402200400048 17.66 0.27 28.1 3.6 D402200400049 17.67 0.15 23.5 2.9 D402200400050 17.77 0.15 19.7 2.5 D402200400051 17.82 0.16 27.6 3.5 D402200400052 17.97 0.25 18.5 2.4 D402200400053 18.19 0.15 29.5 3.8 D402200400054 18.30 0.25 30.0 4.3 D402200400055 18.41 0.22 21.2 2.8 D402200400056 18.81 0.15 18.9 2.4 D402200400057 18.93 0.22 25.8 3.3 D402200400058 19.53 0.20 24.4 3.1 D402200400059 19.62 0.20 20.2 2.6 D402200400060 ENDDATA 41 0 D402200400061 ENDSUBENT 60 0 D402200499999 ENDENTRY 4 0 D402299999999