ENTRY B0148 20011220 0000B014800000001 SUBENT B0148001 20011220 0000B014800100001 BIB 15 41 B014800100002 TITLE Yield Curves For Cyclotron Production of I-123, I-125 B014800100003 And I-121 by I-127(P,XN)Xe-Reactions and Subsequent B014800100004 Beta Decay. B014800100005 AUTHOR (D.B.SYME, E.WOOD, I.M.BLAIR, S.KEW, M.PERRY, P.COOPER)B014800100006 INSTITUTE (2UK HAR).Nuclear Physics Division B014800100007 REFERENCE (J,ARI,29,29,1978) B014800100008 FACILITY (SYNCY,2UK HAR).Incident Proton Energy 159.5+-0.5 MeV B014800100009 METHOD (EXTB,STTA,EDEG,MOSEP) B014800100010 Each Target or Monitor Foil was Couted Periodically B014800100011 Over Several Half-Lives. Energy Degradation in the B014800100012 Stack was Calculated According to W.H.Barkas Et Al., B014800100013 Publ.1133,Nat.Acad.Sci.Washington D.C.,P.103(1964). B014800100014 SAMPLE Stack of Targets, Each Target Consisted of a Few B014800100015 Modules Combining Compressed K-Iodide Powder, ThicknessB014800100016 0.33 G/Cm**2 and Polyethylene Monitor Foils of 0.09 B014800100017 G/Cm**2 Thickness. B014800100018 DETECTOR (GELI).Resolution 3 KeV at 149 KeV. B014800100019 MONITOR (6-C-12(P,X)6-C-11,,SIG,,,EXP) B014800100020 MONIT-REF (B0095002,J.B.CUMMING,J,NP,49,417,1963) B014800100021 (B0149002,D.F.MEASDAY,J,NP,78,476,1966) B014800100022 DECAY-MON (6-C-11,20.29MIN,AR,511.) B014800100023 As Experimentally Confirmed Losses of C-11 from the B014800100024 Monitor Foils were Very Small. B014800100025 CORRECTION Corrections were Made For Losses of Recoil Ions, For B014800100026 The Finite Counting Times, For Gamma Ray Absorption, B014800100027 For Dead Time Losses, For the Solid Angle and B014800100028 Efficiency Function. Loss of Xe-Products from the B014800100029 Target was Calculated to be Negligible. B014800100030 ADD-RES From the Measured Excitation Functions Predictions wereB014800100031 Made of Thick Target Yields and Isotopic Purity of B014800100032 I-123 Produced by Proton Reactions on Iodine. Yields B014800100033 Of Order 10 Millicurie/Microampere*Hour with ImpuritiesB014800100034 Less Than 0.2% were Found to be Achievable Through the B014800100035 I-127(P,5N) Reaction. B014800100036 STATUS (CURVE) By Kachapag. B014800100037 HISTORY (19800710C)Lane B014800100038 (19940720A) Some Corrections have Been Included by B014800100039 CAJAD B014800100040 (19971218A) Reaction Lines are Corrected. Converted to B014800100041 Lower Case. B014800100042 (20011010U) Last checking has been done. B014800100043 ENDBIB 41 0 B014800100044 NOCOMMON 0 0 B014800100045 ENDSUBENT 44 0 B014800199999 SUBENT B0148002 20011220 0000B014800200001 BIB 4 16 B014800200002 REACTION (53-I-127(P,5N)54-XE-123,,SIG,,,EXP) B014800200003 RAD-DET (54-XE-123,DG) B014800200004 DECAY-DATA (54-XE-123,1.99HR,DG,149.,0.50) B014800200005 The Cited Half-Lives are Adopted Values Resulting B014800200006 From Present Measurements and from the Literature. B014800200007 ERR-ANALYS (ERR-T) The Following Errors were Given in % (THE B014800200008 FIRST NUMBER IS THE RMS-ERROR, THE SECOND ONE THEB014800200009 SYSTEMATIC ERROR) - Target Thickness (2.0,4.0), GammaB014800200010 Self-Attenuation (0.6,2.0), Gamma Detector CalibrationB014800200011 (3.0,10.0), Observed Activity (2.0,2.0), Counting DeadB014800200012 Time (1.0,2.0), Absolute Gamma Abundance (SMALL, ATB014800200013 LEAST 10.), Half Life Uncertainty (-,8.0), MonitorB014800200014 Cross Section (2.5,5.0).Error in Derived Cross SectionB014800200015 Is (5.2,10.1). B014800200016 (EN-ERR) The Energy Uncertainties are of Order of +-1.2B014800200017 MeV at 60 MeV and +-0.5 at 160 MeV. B014800200018 ENDBIB 16 0 B014800200019 NOCOMMON 0 0 B014800200020 DATA 4 19 B014800200021 EN EN-ERR DATA ERR-T B014800200022 MEV MEV MB MB B014800200023 38.1 1.5 0.41 B014800200024 45.5 46. 2.5 B014800200025 51.9 1.2 240. 11. B014800200026 53.4 1.2 263. 13. B014800200027 56.4 1.3 284. 14. B014800200028 57.4 1.2 292. 15. B014800200029 59.2 1.1 257. 13. B014800200030 65.6 0.99 188. 9.8 B014800200031 77.1 0.58 121. 11. B014800200032 79.4 0.66 124. 6.3 B014800200033 81.7 0.66 112. 10. B014800200034 85.3 0.74 94.1 4.7 B014800200035 87.1 0.74 80.6 6.3 B014800200036 96.1 62.6 3.5 B014800200037 100.1 63.8 3.7 B014800200038 100.9 64.2 4.3 B014800200039 122.4 48.3 3.9 B014800200040 122.6 53.2 6.1 B014800200041 159.1 30.7 B014800200042 ENDDATA 21 0 B014800200043 ENDSUBENT 42 0 B014800299999 SUBENT B0148003 20011220 0000B014800300001 BIB 4 15 B014800300002 REACTION (53-I-127(P,3N)54-XE-125-G,M+,SIG,,,EXP) B014800300003 RAD-DET (54-XE-125-G,DG) B014800300004 DECAY-DATA (54-XE-125-G,16.8HR,DG,188.,0.55) B014800300005 The Cited Half-Lives are Adopted Values Resulting B014800300006 From Present Measurements and from the Literature. B014800300007 ERR-ANALYS (ERR-T) The Following Errors were Given in % (THE B014800300008 FIRST NUMBER IS THE RMS-ERROR, THE SECOND ONE THEB014800300009 SYSTEMATIC ERROR)- Target Thickness (2.0,4.0), GammaB014800300010 Self-Attenuation (0.6,2.0), Gamma Detector CalibrationB014800300011 (2.0,3.5), Observed Activity (5.0,2.0), Counting DeadB014800300012 Time (1.0,2.0), Absolute Gamma Abundance (SMALL, ATB014800300013 LEAST 10.), Half Life Uncertainty (-,0.3). Error inB014800300014 Derived Cross Section is (6.9,9.6). B014800300015 (EN-ERR) The Energy Uncertainties are of Order of +-1.2B014800300016 MeV at 60 MeV and +-0.5 at 160 MeV. B014800300017 ENDBIB 15 0 B014800300018 NOCOMMON 0 0 B014800300019 DATA 4 11 B014800300020 EN EN-ERR DATA ERR-T B014800300021 MEV MEV MB MB B014800300022 21.3 1.5 257. 16. B014800300023 29.6 1.6 648. 35. B014800300024 37.9 1.4 578. 29. B014800300025 44.9 1.3 247. 14. B014800300026 52.1 1.2 131. 8.1 B014800300027 65.7 91.8 5.5 B014800300028 79.1 69.6 5.1 B014800300029 84.8 62.8 3.4 B014800300030 101. 55.1 4.3 B014800300031 122.5 50. 3.8 B014800300032 159. 40.6 2.6 B014800300033 ENDDATA 13 0 B014800300034 ENDSUBENT 33 0 B014800399999 SUBENT B0148004 20011220 0000B014800400001 BIB 4 19 B014800400002 REACTION (53-I-127(P,7N)54-XE-121,,SIG,,,EXP) B014800400003 RAD-DET (54-XE-121,DG) B014800400004 DECAY-DATA (54-XE-121,30.0MIN,DG,133.,0.114) B014800400005 The Cited Half-Lives are Adopted Values Resulting B014800400006 From Present Measurements and from the Literature. B014800400007 The Abundance was Determined by Relating the Xe-121 B014800400008 Decay to the Build-Up of I-121 Which was Observed B014800400009 Through the 212 KeV Gamma Ray with an Abundance of B014800400010 0.843. B014800400011 ERR-ANALYS (ERR-T) The Following Errors were Given in % (THE B014800400012 FIRST NUMBER IS THE RMS-ERROR, THE SECOND ONE THEB014800400013 SYSTEMATIC ERROR)- Target Thickness (2.0,4.0), GammaB014800400014 Self-Attenuation (0.6,2.0), Gamma Detector CalibrationB014800400015 (2.0,3.5), Observed Activity (15.0,-), Counting Dead B014800400016 Time (1.0,2.0), Absolute Gamma Abundance (SMALL, 11.4),B014800400017 Half Life Uncertainty (-,8.0). Error in Derived CrossB014800400018 Section is (16.5,11.2). B014800400019 The Energy Uncertainties are of Order of +-1.2 MeV at B014800400020 60 MeV and +-0.5 at 160 MeV. B014800400021 ENDBIB 19 0 B014800400022 NOCOMMON 0 0 B014800400023 DATA 3 15 B014800400024 EN DATA ERR-T B014800400025 MEV MB MB B014800400026 51.9 0.18 3.6 B014800400027 65. 4. 3.3 B014800400028 65.4 3.9 0.92 B014800400029 66.8 5.2 2.4 B014800400030 77. 52. 7.1 B014800400031 79.2 28.5 3.4 B014800400032 81.7 74.7 8.6 B014800400033 85.5 55.9 4.3 B014800400034 87.2 49.2 6.3 B014800400035 96.3 33.9 3.4 B014800400036 101. 26.3 4.3 B014800400037 122. 19. 4.7 B014800400038 122.4 22.8 3.2 B014800400039 158.4 11.2 2.1 B014800400040 158.6 10. 2.9 B014800400041 ENDDATA 17 0 B014800400042 ENDSUBENT 41 0 B014800499999 ENDENTRY 4 0 B014899999999