ENTRY B0099 20011220 0000B009900000001 SUBENT B0099001 20011220 0000B009900100001 BIB 10 37 B009900100002 TITLE Excitation Functions For the Mg-24(D,A)Na-22, B009900100003 Mg-26(D,A)Na-24 and Al-27(D,A+P)Na-24 Reactions B009900100004 AUTHOR (H.F.ROEHM, C.J.VERWEY, J.STEYN, W.L.RAUTENBACH) B009900100005 INSTITUTE (3SAFNLP) B009900100006 REFERENCE (J,JIN,31,3345,1969) B009900100007 (J,JIN,32,2111,1970) Errata B009900100008 FACILITY (CYCLO,3SAFNLP) B009900100009 It was Experimentally Checked That the Deuteron Beam B009900100010 Was Free of H2+ Ions and That the Beam Intensity B009900100011 Measurement was not Influenced by Secondary Electrons. B009900100012 METHOD (EXTB,ACTIV,STTA,BCINT) B009900100013 DETECTOR (NAICR).Well-Type Crystal Used For Relative B009900100014 Measurements. B009900100015 (COIN,PROPC,NAICR).4Pi-Geometry. B009900100016 Used For Absolute Counting of the Irradiated Foils. B009900100017 The Electronic Drift in the Counting System Showed a B009900100018 Maximum Variation in the Gain of +-1% of the Mean ValueB009900100019 Over a Period of Two Weeks. B009900100020 ERR-ANALYS The Uncertainty of the Beam Energy, Determined Via B009900100021 Elastic Scattering from a Gold Foil, was +-0.1 MeV. B009900100022 Energy-Fluctuations During Bombardments were Estimated B009900100023 To be Less Than 0.2 MeV from Effective Energy Spreads B009900100024 At Several Deuteron Energies. Contributions from B009900100025 Secondary Electrons in the Faraday Cup were Found to beB009900100026 Negligible. B009900100027 The Accuracy of the 4Pi-Beta/Gamma Counting was BetweenB009900100028 0.5 and 1%. B009900100029 No Further Details Nor Total Error Values are Quoted. B009900100030 CORRECTION Recoil Losses were Corrected For by Measuring the B009900100031 Activities of the Recoils in Suitable Adjacent Catcher B009900100032 Or Degrader Foils. These Foils were Chosen in Such a B009900100033 Way That Only Activities Dissimilar to the Respective B009900100034 Recoils from the Targets Could be Produced. B009900100035 HISTORY (19790306C)Lakw B009900100036 (20011008A) Lower Case. Method is Corrected. A Little B009900100037 Correction For Data Section has Been Made Too. B009900100038 (20011011U) Last checking has been done. B009900100039 ENDBIB 37 0 B009900100040 NOCOMMON 0 0 B009900100041 ENDSUBENT 40 0 B009900199999 SUBENT B0099002 20011220 0000B009900200001 BIB 7 29 B009900200002 REACTION (12-MG-24(D,A)11-NA-22,,SIG,,,EXP) B009900200003 At Energies Above 10 MeV the Reaction Mg-25(D,A+N)Na-22B009900200004 Can Contribute But is Suggested to be Less Important B009900200005 Due to the Small Abundance of Mg-25. B009900200006 RAD-DET (11-NA-22,DG,B+) B009900200007 DECAY-DATA (11-NA-22,2.62YR,DG,,,B+) B009900200008 METHOD (EDEG) B009900200009 The Incident Deuteron Energy was 16.2+-0.1 MeV. The B009900200010 Energy Degradation in the Stack was Calculated B009900200011 According to C.F.Williamson Et Al.,Cea-R3402(1966) B009900200012 SAMPLE Three Stacks Consisting of Foils of Natural Mg, B009900200013 Thickness Varying from 0.3 to 2.7 Mg/Cm**2, Produced B009900200014 From Spectrographically Pure Mg Rods by Rolling and B009900200015 Annealing Alternately, and of Al-Catcher and Degrader B009900200016 Foils of 3.416 Mg/Cm**2 Thickness and 99.997% Purity. B009900200017 Overlapping of Cross Sections was Avoided by StaggeringB009900200018 The Target Foils with Respect to One Another in the B009900200019 Different Stacks. B009900200020 COMMENT Na-22 Counting was Started One Month After Bombardment.B009900200021 Na-22 Activity Originating from Na-23 Contamination B009900200022 Was Negligible. From the Three Stacks Irradiated B009900200023 20 Mg-Foils were Used For Absolute Counting. B009900200024 ADD-RES (TTY-C) Total Activities of Na-22 Produced by Deuteron B009900200025 Reactions on Natural Mg are Presented As Numerical DataB009900200026 Given in Microcurie/Mg/Cm**2/Microampere-Hours. B009900200027 Thick Target Yields in Microcurie/Microampere-Hours B009900200028 Calculated from the Experimental Excitation Function B009900200029 Are Given. A Thick Target Yield of 2.93 Microcurie/ B009900200030 Microampere-Hour is Quoted For 16 MeV Deuterons. B009900200031 ENDBIB 29 0 B009900200032 NOCOMMON 0 0 B009900200033 DATA 2 33 B009900200034 EN DATA B009900200035 MEV MB B009900200036 0.9 3. B009900200037 1.9 14. B009900200038 2.5 23. B009900200039 4.1 87. B009900200040 4.6 111. B009900200041 4.7 106. B009900200042 5.6 144. B009900200043 6.8 165. B009900200044 6.9 176. B009900200045 7.3 175. B009900200046 7.8 179. B009900200047 8.3 185. B009900200048 8.7 190. B009900200049 9.5 170. B009900200050 10. 172. B009900200051 10.3 174. B009900200052 10.8 167. B009900200053 11.1 160. B009900200054 11.5 145. B009900200055 12.1 154. B009900200056 12.4 151. B009900200057 12.6 136. B009900200058 13.1 123. B009900200059 13.5 111. B009900200060 13.9 109. B009900200061 14.2 97. B009900200062 14.6 97. B009900200063 14.9 89. B009900200064 15.1 86. B009900200065 15.6 78. B009900200066 16.1 77. B009900200067 16.1 82. B009900200068 16.1 79. B009900200069 ENDDATA 35 0 B009900200070 ENDSUBENT 69 0 B009900299999 SUBENT B0099003 20011220 0000B009900300001 BIB 8 38 B009900300002 REACTION (12-MG-26(D,A)11-NA-24,,SIG,,,EXP) B009900300003 RAD-DET (11-NA-24-G,DG,B-) B009900300004 DECAY-DATA (11-NA-24-M,0.02SEC) About 100% Isomeric Transition B009900300005 (11-NA-24-G,15.0HR,DG,,,B-) B009900300006 METHOD (EDEG) B009900300007 The Incident Deuteron Energy was 16.2+-0.1 MeV. The B009900300008 Energy Degradation in the Stack was Calculated B009900300009 According to C.F.Williamson Et Al.,Cea-R3402(1966) B009900300010 For Metallic Foils and According to W.Brandt, Research B009900300011 Report, Du Pont De Nemours, Delaware(1960) For Mylar B009900300012 Foils. B009900300013 SAMPLE Three Stacks Consisting of Foils of Natural Mg, B009900300014 Thickness Varying from 0.3 to 2.7 Mg/Cm**2, Produced B009900300015 From Spectrographically Pure Mg Rods by Rolling and B009900300016 Annealing Alternately and of Mylar Catcher and DegraderB009900300017 Foils of About 3.5 Mg/Cm**2. Overlapping of Cross B009900300018 Sections was Avoided by Staggering the Target Foils B009900300019 With Respect to One Another in the Different Stacks. B009900300020 COMMENT Na-24 Counting was Started After the F-18 Activity B009900300021 Had Decayed. From the Three Stacks Irradiated 11 B009900300022 Mg-Foils were Used For Absolute Counting. B009900300023 ADD-RES (TTY-C) Total Activities of Na-22 Produced by Deuteron B009900300024 Reactions on Natural Mg are Presented As Numerical DataB009900300025 Given in Microcurie/Mg/Cm**2/Microampere-Hours. B009900300026 Thick Target Yields in Microcurie/Microampere-Hours B009900300027 Calculated from the Experimental Excitation Function B009900300028 Are Given. A Thick Target Yield of 578.34 Microcurie/ B009900300029 Microampere-Hour is Quoted For 16 MeV Deuterons. B009900300030 FLAG (1.) Mg-25(D,HE-3)Na-24 (THRESHOLD 7.09 MEV) And B009900300031 Mg-24(D,2P)Na-24 (THRESHOLD 7.54 MEV) Contribute at B009900300032 Deuteron Energies Higher Than About 10 MeV. The Given B009900300033 Cross Sections are Related to 100% Mg-25. B009900300034 Consequently this Value May be Affected by Unknown B009900300035 Portions of the Above Given Reactions. B009900300036 (2.) This Value Tabulated in the Second Reference May B009900300037 Be a Misprint. The Multiplication of the Original ValueB009900300038 With the Given Factor of 0.936 would Result in 112 Mb B009900300039 Instead of 102 (COMMENT BY THE COMPILER). B009900300040 ENDBIB 38 0 B009900300041 NOCOMMON 0 0 B009900300042 DATA 3 48 B009900300043 EN DATA FLAG B009900300044 MEV MB NO-DIM B009900300045 2.2 12. B009900300046 2.8 29. B009900300047 3.2 43. B009900300048 4.2 67. B009900300049 4.3 67. B009900300050 4.6 74. B009900300051 5.3 84. B009900300052 5.7 92. B009900300053 6.1 95. B009900300054 6.6 101. B009900300055 6.9 103. B009900300056 7.4 105. B009900300057 8.2 102. 2. B009900300058 8.5 107. B009900300059 8.6 109. B009900300060 8.9 110. B009900300061 9.5 103. B009900300062 9.7 100. B009900300063 10. 94. 1. B009900300064 10.5 89. 1. B009900300065 10.5 88. 1. B009900300066 10.7 87. 1. B009900300067 11.1 88. 1. B009900300068 11.6 84. 1. B009900300069 11.6 87. 1. B009900300070 11.7 92. 1. B009900300071 12.2 107. 1. B009900300072 12.6 101. 1. B009900300073 12.7 122. 1. B009900300074 12.8 121. 1. B009900300075 12.8 110. 1. B009900300076 13.2 131. 1. B009900300077 13.3 128. 1. B009900300078 13.4 137. 1. B009900300079 13.7 147. 1. B009900300080 14. 167. 1. B009900300081 14.3 175. 1. B009900300082 14.4 179. 1. B009900300083 14.7 201. 1. B009900300084 14.8 202. 1. B009900300085 15.1 220. 1. B009900300086 15.3 225. 1. B009900300087 15.3 234. 1. B009900300088 15.4 235. 1. B009900300089 15.7 241. 1. B009900300090 16.1 266. 1. B009900300091 16.2 255. 1. B009900300092 16.2 271. 1. B009900300093 ENDDATA 50 0 B009900300094 ENDSUBENT 93 0 B009900399999 SUBENT B0099004 20011220 0000B009900400001 BIB 6 19 B009900400002 REACTION (13-AL-27(D,P+A)11-NA-24,,SIG,,,EXP) B009900400003 RAD-DET (11-NA-24-G,DG,B-) B009900400004 DECAY-DATA (11-NA-24-M,0.02SEC) About 100% Isomeric Transition B009900400005 (11-NA-24-G,15.0HR,DG,,,B-) B009900400006 METHOD (EDEG) B009900400007 The Incident Deuteron Energy was 16.4+-0.1 MeV. The B009900400008 Energy Degradation in the Stack was Calculated B009900400009 According to C.F.Williamson Et Al.,Cea-R3402(1966) B009900400010 SAMPLE Three Stacks Consisting of Al Foils of 99.997 % B009900400011 Purity, Thickness 3.416 and 6.833 Mg/Cm**2 Serving As B009900400012 Target and Degrader Foils, Respectively. Since No MylarB009900400013 Catchers Could be Used Due to the Necessary High Beam B009900400014 Flux, the Percentage Recoils were Determined in a B009900400015 Separate Experiment at Lower Beam Flux Using Stacks B009900400016 With Mylar Catchers. B009900400017 ADD-RES (TTY-C) Thick Target Yields Calculated from the B009900400018 Experimental Excitation Function are Given. A Value ofB009900400019 170.562 Microcurie/Microampere-Hour is Quoted For 16 B009900400020 MeV Deuterons. B009900400021 ENDBIB 19 0 B009900400022 NOCOMMON 0 0 B009900400023 DATA 2 21 B009900400024 EN DATA B009900400025 MEV MB B009900400026 10.5 0.1 B009900400027 11. 0.3 B009900400028 11.3 0.5 B009900400029 11.4 0.6 B009900400030 11.9 1.2 B009900400031 12.2 1.8 B009900400032 12.3 2. B009900400033 12.8 3.4 B009900400034 13.1 4.5 B009900400035 13.1 4.8 B009900400036 13.6 6.9 B009900400037 13.8 8.4 B009900400038 13.9 8.6 B009900400039 14.3 11.3 B009900400040 14.6 13.3 B009900400041 15.1 16.1 B009900400042 15.3 18.6 B009900400043 15.4 18.3 B009900400044 15.8 22. B009900400045 16.1 24.2 B009900400046 16.1 23.8 B009900400047 ENDDATA 23 0 B009900400048 ENDSUBENT 47 0 B009900499999 ENDENTRY 4 0 B009999999999