ENTRY D4016 20210929 D132D401600000001 SUBENT D4016001 20210929 D132D401600100001 BIB 17 66 D401600100002 TITLE Excitation functions of alpha-particle induced nuclear D401600100003 reactions on highly enriched 92Mo: Comparative D401600100004 evaluation of production routes for 94mTc D401600100005 AUTHOR (F.-O.Denzler, F.Roesch, S.M.Qaim) D401600100006 INSTITUTE (2GERJUL) D401600100007 REFERENCE (J,RCA,68,13,1995) D401600100008 FACILITY (ISOCY,2GERJUL) irradiation times: 20, 40 min, D401600100009 beam current: 100 or 200 nAmp. D401600100010 SAMPLE (42-MO-92,ENR=0.9737) Isotopic composition of target D401600100011 material was:Mo-92 (97.37%), Mo-94 (0.68%), D401600100012 Mo-95 (0.52%), Mo-96 (0.37%), Mo-97 (0.18%), D401600100013 Mo-98 (0.40%), Mo-100 (0.50%). D401600100014 Chemical purity greater than 98.8%. The samples were D401600100015 prepared by means of sedimentation of MoS2 powder. D401600100016 3-6 mg/cm**2 thick layer was made on 10 micron of D401600100017 Ni foils and the sedimented layer was covered with D401600100018 5 micron of Ni foil. For yield measurements D401600100019 80-150 mg/cm**2 targets were prepared using the same D401600100020 technique. 12.5 micron of Ti foils were placed in frontD401600100021 of and the back of each sandwiches of samples as D401600100022 beam monitor foils. D401600100023 10, 25 and 20 microns of aluminum foils served as D401600100024 energy degraders. D401600100025 METHOD (STTA,ACTIV,EXTB,GSPEC) D401600100026 Thick target yields and isotopic impurities were D401600100027 determined with 1 hour irradiation at 1-2 microAmp. D401600100028 REL-REF (R,,E.Browne+,B,BROWNE,,123-3,1986) decay data were D401600100029 from Table of radioactive isotopes,p.123-3, Wiley, D401600100030 New York 1986 D401600100031 (M,,C.F.Williamson+,R,CEA-R-3042,1966) - used for D401600100032 calculation energy degradation D401600100033 (M,,Z.Kormany,J,NIM/A,337,258,1994) - The primary D401600100034 incident alpha-particle energy was measured method D401600100035 described in the article (directly by a time of D401600100036 flight method) D401600100037 DETECTOR (GELI) Sample detector distance greater than 10 cm. D401600100038 dead time was less than 8% D401600100039 MONITOR (22-TI-0(A,X)24-CR-51,,SIG) D401600100040 MONIT-REF (A0169005,R.Weinreich+,J,ARI,31,223,1980) D401600100041 DECAY-MON (24-CR-51,27.7D,DG,320.1,0.98) D401600100042 ERR-ANALYS (ERR-T) The total error of the cross sections was D401600100043 derived as the square root of the sum of square of the D401600100044 individual errors: D401600100045 (ERR-1,,2.) Uncertainty in target thickness D401600100046 (ERR-2,,10.) Uncertainty in inhomogeneity in D401600100047 target thickness D401600100048 (ERR-3) Uncertainty in beam intensity D401600100049 (ERR-4) Uncertainty in detector efficiency D401600100050 including geometry 5% D401600100051 (ERR-S,6.,30.) Uncertainty in peak area and counting D401600100052 statistics D401600100053 COMMENT Activity was measured either non-destructively or D401600100054 after thermocromatographic separation. D401600100055 ADD-RES Experimental determination of the levels of isotopic D401600100056 impurities. Evaluation of the various production D401600100057 routes for Tc-94m D401600100058 STATUS (TABLE) Tbl.2 from Radiochim.Acta,68(1995)13 D401600100059 (APRVD) approved by the author D401600100060 HISTORY (19951025C) D401600100061 (19970428U) HW.- Code data-err moved to other subents.-D401600100062 (19980720U) HW.- Reaction sf3 modified in san 004, 005.D401600100063 (20060730A) BIB section upgraded D401600100064 (20180522U) On. AUTHOR corrected. D401600100065 (20190822U) SD: ERR-ANALYS moved to Subent 001 and D401600100066 updated. REL-REF added.Small corrections in all SubentsD401600100067 (20210928A) VS. SF3=X in 004-005. D401600100068 ENDBIB 66 0 D401600100069 COMMON 2 3 D401600100070 ERR-3 ERR-4 D401600100071 PER-CENT PER-CENT D401600100072 10. 5. D401600100073 ENDCOMMON 3 0 D401600100074 ENDSUBENT 73 0 D401600199999 SUBENT D4016002 20190822 D121D401600200001 BIB 5 10 D401600200002 REACTION (42-MO-92(A,N)44-RU-95,,SIG) D401600200003 DECAY-DATA (44-RU-95,99.MIN,DG,336.5,0.708, D401600200004 DG,1096.9,0.211) D401600200005 COMMENT (by author) Measured with and without chemical D401600200006 separation D401600200007 REL-REF (A,B0040002,H.P.Graf+,J,JIN,36,3647,1974) D401600200008 (A,R0048002,R.A.Esterlund+,J,NP,69,401,1965) D401600200009 HISTORY (19970428U) HW.- Keyword ERR-ANALYS added.- D401600200010 (20190822U) SD: ERR-ANALYS moved to Subent 001. D401600200011 DATA-ERR -> ERR-T. D401600200012 ENDBIB 10 0 D401600200013 NOCOMMON 0 0 D401600200014 DATA 4 26 D401600200015 EN EN-ERR DATA ERR-T D401600200016 MEV MEV MB MB D401600200017 11.8 0.5 28. 4.5 D401600200018 12.8 0.5 71. 11. D401600200019 13.7 0.5 90. 14. D401600200020 14.8 0.5 280. 45. D401600200021 15.5 0.5 301. 48. D401600200022 16.2 0.4 338. 54. D401600200023 17.7 0.4 565. 90. D401600200024 18.1 0.4 364. 58. D401600200025 18.5 0.4 405. 64. D401600200026 18.8 0.4 619. 99. D401600200027 19.3 0.4 638. 102. D401600200028 20.3 0.4 412. 66. D401600200029 21.2 0.3 523. 83. D401600200030 21.5 0.3 547. 88. D401600200031 22.2 0.3 266. 43. D401600200032 22.8 0.3 437. 70. D401600200033 23.0 0.3 327. 52. D401600200034 23.1 0.3 297. 47. D401600200035 23.8 0.3 338. 54. D401600200036 24.3 0.3 233. 37. D401600200037 24.6 0.3 159. 25. D401600200038 24.8 0.3 158. 25. D401600200039 25.2 0.3 166. 27. D401600200040 25.9 0.3 136. 22. D401600200041 26.2 0.3 77. 12. D401600200042 26.8 0.3 157. 25. D401600200043 ENDDATA 28 0 D401600200044 ENDSUBENT 43 0 D401600299999 SUBENT D4016003 20190822 D121D401600300001 BIB 5 9 D401600300002 REACTION (42-MO-92(A,2N)44-RU-94,,SIG) D401600300003 DECAY-DATA (44-RU-94,51.8MIN,DG,367.1,0.75, D401600300004 DG,892.0,0.25) D401600300005 METHOD (CHSEP) D401600300006 REL-REF (A,B0040004,H.P.Graf+,J,JIN,36,3647,1974) D401600300007 (A,R0048001,R.A.Esterlund+,J,NP,69,401,1965) D401600300008 HISTORY (19970428U) HW.- Keyword ERR-ANALYS added.- D401600300009 (20190822U) SD: ERR-ANALYS moved to Subent 001. COMMENTD401600300010 deleted. Info moved to METHOD. DATA-ERR -> ERR-T. D401600300011 ENDBIB 9 0 D401600300012 NOCOMMON 0 0 D401600300013 DATA 4 18 D401600300014 EN EN-ERR DATA ERR-T D401600300015 MEV MEV MB MB D401600300016 18.8 0.4 0.5 0.1 D401600300017 19.3 0.4 4. 1. D401600300018 20.3 0.4 11. 2. D401600300019 20.8 0.3 69. 12. D401600300020 21.2 0.3 55. 10. D401600300021 21.5 0.3 37. 7. D401600300022 22.2 0.3 54. 10. D401600300023 22.8 0.3 117. 19. D401600300024 23.0 0.3 138. 22. D401600300025 23.1 0.3 104. 17. D401600300026 23.2 0.3 138. 22. D401600300027 23.8 0.3 293. 47. D401600300028 24.6 0.3 356. 53. D401600300029 24.8 0.3 317. 48. D401600300030 25.2 0.3 366. 55. D401600300031 25.9 0.3 665. 100. D401600300032 26.2 0.3 788. 118. D401600300033 26.8 0.3 528. 79. D401600300034 ENDDATA 20 0 D401600300035 ENDSUBENT 34 0 D401600399999 SUBENT D4016004 20210929 D132D401600400001 BIB 6 20 D401600400002 REACTION (42-MO-92(A,X)43-TC-94-M,,SIG) D401600400003 DECAY-DATA (43-TC-94-M,52.MIN,DG,1521.6,0.045, D401600400004 DG,1868.3,0.057) D401600400005 ERR-ANALYS (ERR-5,,5.) In calculation of the uncertainty of Tc-94mD401600400006 an additional individual error was taken into account: D401600400007 error in the calculation of Tc-94m yield via the Tc-94gD401600400008 distribution in the process of thermochromatic D401600400009 separation: less than 5% D401600400010 METHOD (CHSEP) Measured with chemical separation. Values D401600400011 are independent of the contribution of the decay of D401600400012 Ru-94 parent nuclei. Correction was made for taking D401600400013 into account the contribution for the decay of the D401600400014 parent nuclei before chemical separation of Ru and Tc. D401600400015 REL-REF (A,B0040005,H.P.Graf+,J,JIN,36,3647,1974) D401600400016 HISTORY (19970428U) HW.- Free text added after data-err.- D401600400017 (19980720U) HW.- Reaction sf3 modified.- D401600400018 (20190822U) SD: ERR-ANALYS updated (part of it moved toD401600400019 Subent 001. DATA-ERR -> ERR-T. COMMENT deleted. Info D401600400020 moved to METHOD. DATA-ERR -> ERR-T. D401600400021 (20210928A) VS. SF3=X c.f. Memo CP-D/0999. D401600400022 ENDBIB 20 0 D401600400023 NOCOMMON 0 0 D401600400024 DATA 4 11 D401600400025 EN EN-ERR DATA ERR-T D401600400026 MEV MEV MB MB D401600400027 18.5 0.4 1. 0.34 D401600400028 19.3 0.4 3.3 1.2 D401600400029 20.3 0.4 9. 2. D401600400030 21.2 0.3 30. 7. D401600400031 22.2 0.3 38. 7. D401600400032 22.8 0.3 128. 22. D401600400033 23.1 0.3 111. 16. D401600400034 24.3 0.3 170. 37. D401600400035 24.8 0.3 174. 40. D401600400036 25.9 0.3 311. 70. D401600400037 26.8 0.3 214. 38. D401600400038 ENDDATA 13 0 D401600400039 ENDSUBENT 38 0 D401600499999 SUBENT D4016005 20210929 D132D401600500001 BIB 5 11 D401600500002 REACTION (42-MO-92(A,X)43-TC-94-G,,SIG) D401600500003 DECAY-DATA (43-TC-94-G,4.88HR,DG,702.6,0.996, D401600500004 DG,916.1,0.076) D401600500005 METHOD (CHSEP) Measured with and without chemical D401600500006 separation D401600500007 REL-REF (A,B0040005,H.P.Graf+,J,JIN,36,3647,1974) D401600500008 HISTORY (19970428U) HW.- Keyword ERR-ANALYS added.- D401600500009 (19980720U) HW.- Reaction sf3 modified.- D401600500010 (20190822U) SD: ERR-ANALYS moved to Subent 001. COMMENTD401600500011 deleted. Info moved to METHOD. DATA-ERR -> ERR-T. D401600500012 (20210928A) VS. SF3=X c.f. Memo CP-D/0999. D401600500013 ENDBIB 11 0 D401600500014 NOCOMMON 0 0 D401600500015 DATA 4 21 D401600500016 EN EN-ERR DATA ERR-T D401600500017 MEV MEV MB MB D401600500018 17.7 0.4 0.01 0.003 D401600500019 18.1 0.4 0.06 0.02 D401600500020 18.5 0.4 0.8 0.27 D401600500021 18.8 0.4 4. 1. D401600500022 19.3 0.4 9. 3. D401600500023 20.3 0.4 19. 7. D401600500024 20.8 0.3 71. 23. D401600500025 21.2 0.3 106. 27. D401600500026 21.5 0.3 114. 29. D401600500027 22.2 0.3 119. 31. D401600500028 22.8 0.3 295. 7. D401600500029 23.0 0.3 210. 53. D401600500030 23.1 0.3 264. 58. D401600500031 23.2 0.3 380. 80. D401600500032 23.8 0.3 377. 79. D401600500033 24.6 0.3 253. 40. D401600500034 24.8 0.3 325. 48. D401600500035 25.2 0.3 257. 41. D401600500036 25.9 0.3 763. 122. D401600500037 26.2 0.3 773. 123. D401600500038 26.8 0.3 607. 140. D401600500039 ENDDATA 23 0 D401600500040 ENDSUBENT 39 0 D401600599999 SUBENT D4016006 20190822 D121D401600600001 BIB 6 16 D401600600002 REACTION (42-MO-92(A,P)43-TC-95-G,,SIG) D401600600003 DECAY-DATA (43-TC-95-G,20.HR,DG,765.8,0.938, D401600600004 DG,1073.7,0.037) D401600600005 METHOD (CHSEP) Measured with and without chemical D401600600006 separation. Cross section values are independent of D401600600007 the contribution of the decay of from Ru-95 parent D401600600008 nuclei. D401600600009 CORRECTION Correction was made for taking into account D401600600010 the contribution of the parent before chemical D401600600011 separation. D401600600012 REL-REF (A,B0040007,H.P.Graf+,J,JIN,36,3647,1974) D401600600013 (A,R0048003,R.A.Esterlund+,J,NP,69,401,1965) D401600600014 HISTORY (19970428U) HW.- Keyword ERR-ANALYS added.- D401600600015 (20190822U) SD: ERR-ANALYS moved to Subent 001. COMMENTD401600600016 deleted. Info moved to METHOD and CORRECTION. D401600600017 DATA-ERR -> ERR-T. D401600600018 ENDBIB 16 0 D401600600019 NOCOMMON 0 0 D401600600020 DATA 4 12 D401600600021 EN EN-ERR DATA ERR-T D401600600022 MEV MEV MB MB D401600600023 17.7 0.4 6.4 2. D401600600024 18.5 0.4 15. 5. D401600600025 19.3 0.4 31. 8. D401600600026 20.3 0.4 185. 48. D401600600027 21.2 0.3 227. 65. D401600600028 22.2 0.3 189. 35. D401600600029 22.8 0.3 280. 52. D401600600030 23.1 0.3 252. 35. D401600600031 24.3 0.3 195. 45. D401600600032 24.8 0.3 140. 30. D401600600033 25.9 0.3 149. 45. D401600600034 26.8 0.3 139. 24. D401600600035 ENDDATA 14 0 D401600600036 ENDSUBENT 35 0 D401600699999 ENDENTRY 6 0 D401699999999