ENTRY F0127 20200508 F077F012700000001 SUBENT F0127001 20200508 F077F012700100001 BIB 9 31 F012700100002 TITLE Absolute cross sections for deuterons on beryllium F012700100003 AUTHOR (R.E.Heft,W.F.Libby) F012700100004 INSTITUTE (1USAAIF) F012700100005 REFERENCE (J,PR,100,799,1955) F012700100006 FACILITY (CYCLO,1USAAIF) F012700100007 SAMPLE The targets were beryllium foils. The foils were F012700100008 0.005 in. thick within a few percent over the foil F012700100009 area F012700100010 METHOD (EXTB,ACTIV) For the (d,t) reaction aluminum foils, F012700100011 stopping of the emergent tritons in aluminum foils F012700100012 by heating in a hydrogen atmosphere followed by F012700100013 an absolute determination of the number of tritons F012700100014 formed by a gas counting method. F012700100015 The reactions producing 10Be, the experimental F012700100016 method consisted of the bombardment of a thick F012700100017 beryllium target with a measured number of deuteron F012700100018 followed by the milling of the target into thin sectionF012700100019 and the measurement of the 10Be content of each of the F012700100020 thin sections. F012700100021 ERR-ANALYS The uncertainty in the cross section may be considered F012700100022 as a resultant of two components, that which changes F012700100023 from sample to sample and that which applies to all F012700100024 samples: F012700100025 (ERR-SYS) Systematic amounted to about 12% and was F012700100026 chiefly attributable to the counting efficiency F012700100027 uncertainty; F012700100028 (DATA-ERR) The nonsystematic errors amounted to F012700100029 approximately 2% in all samples. F012700100030 HISTORY (19801003C) F012700100031 (19990407U) CNPD: corrected 4-dig. year and lower casesF012700100032 (20200508A) SD: Corrections in all Subents. BIB updatedF012700100033 ENDBIB 31 0 F012700100034 COMMON 1 3 F012700100035 ERR-SYS F012700100036 PER-CENT F012700100037 12. F012700100038 ENDCOMMON 3 0 F012700100039 ENDSUBENT 38 0 F012700199999 SUBENT F0127002 20200508 F077F012700200001 BIB 6 12 F012700200002 REACTION (4-BE-9(D,X)1-H-3,,SIG) F012700200003 SAMPLE Thickness was 20.3 - 24.6 mg/cm2 F012700200004 ERR-ANALYS (EN-ERR1) Error in the deuteron energy on leaving F012700200005 beryllium F012700200006 (EN-ERR2) Error in the deuteron energy at incidence F012700200007 on beryllium F012700200008 COMMENT EN-MIN/MAX - deuteron energy at incidence/on leaving F012700200009 beryllium F012700200010 STATUS (TABLE) Table I from Phys.Rev.,100(1955)799 F012700200011 HISTORY (20200507A) SD: SF3=T -> X; SF4=Be-8 -> H-3; SF9=EXP F012700200012 deleted from REACTION code. BIB updated. F012700200013 ERR-T -> DATA-ERR. F012700200014 ENDBIB 12 0 F012700200015 NOCOMMON 0 0 F012700200016 DATA 6 5 F012700200017 EN-MIN EN-ERR1 EN-MAX EN-ERR2 DATA DATA-ERR F012700200018 MEV MEV MEV MEV MB MB F012700200019 2.67 0.95 5.52 0.54 187. 4. F012700200020 8.59 0.39 9.99 0.34 122. 3. F012700200021 11.93 0.29 13.11 0.27 23. 1. F012700200022 14.65 0.24 15.83 0.23 34. 1. F012700200023 17.99 0.21 18.85 0.2 64. 1. F012700200024 ENDDATA 7 0 F012700200025 ENDSUBENT 24 0 F012700299999 SUBENT F0127003 20200508 F077F012700300001 BIB 3 5 F012700300002 REACTION (4-BE-9(D,P)4-BE-10,,SIG) F012700300003 STATUS (TABLE) Table II from Phys.Rev.,100(1955)799 F012700300004 HISTORY (20200507A) SD: SF9=EXP deleted from REACTION code. F012700300005 ERR-ANALYS deleted. STATUS updated. EN -> EN-MEAN. F012700300006 ERR-T -> DATA-ERR. F012700300007 ENDBIB 5 0 F012700300008 NOCOMMON 0 0 F012700300009 DATA 4 71 F012700300010 EN-MEAN EN-ERR DATA DATA-ERR F012700300011 MEV MEV MB MB F012700300012 1.05 0.50 84. 7. F012700300013 1.49 2.50 129. 2. F012700300014 2.01 1.00 130. 4. F012700300015 2.30 1.50 208. 3. F012700300016 2.75 1.00 252. 6. F012700300017 2.90 0.42 249. 13. F012700300018 3.40 0.75 296. 6. F012700300019 3.82 0.50 336. 5. F012700300020 3.94 0.69 330. 4. F012700300021 4.51 0.63 328. 6. F012700300022 4.91 0.15 322. 5. F012700300023 5.00 0.59 332. 5. F012700300024 5.35 0.56 300. 12. F012700300025 5.43 0.30 280. 5. F012700300026 5.76 0.53 271. 5. F012700300027 6.06 0.25 292. 25. F012700300028 6.34 0.48 280. 4. F012700300029 6.82 0.22 278. 5. F012700300030 6.84 0.46 238. 3. F012700300031 7.32 0.43 272. 5. F012700300032 7.39 0.38 233. 5. F012700300033 7.68 0.42 217. 4. F012700300034 8.18 0.40 216. 5. F012700300035 8.62 0.38 185. 4. F012700300036 9.20 0.36 178. 4. F012700300037 9.48 0.35 182. 4. F012700300038 9.74 0.34 155. 3. F012700300039 10.00 0.32 179. 4. F012700300040 10.42 0.32 156. 3. F012700300041 10.80 0.32 171. 3. F012700300042 11.06 0.31 128. 3. F012700300043 11.42 0.30 151. 3. F012700300044 11.66 0.30 139. 3. F012700300045 11.98 0.29 142. 2. F012700300046 12.40 0.28 128. 3. F012700300047 12.50 0.28 132. 3. F012700300048 12.78 0.28 114. 2. F012700300049 13.00 0.27 118. 2. F012700300050 13.06 0.27 122. 2. F012700300051 13.54 0.26 118. 2. F012700300052 13.76 0.26 98. 2. F012700300053 13.92 0.25 115. 2. F012700300054 14.12 0.25 108. 2. F012700300055 14.38 0.24 109. 2. F012700300056 14.56 0.24 101. 2. F012700300057 14.75 0.24 97. 2. F012700300058 14.94 0.24 109. 2. F012700300059 15.14 0.23 101. 2. F012700300060 15.36 0.23 97. 2. F012700300061 15.62 0.23 104. 2. F012700300062 15.82 0.23 83. 2. F012700300063 15.96 0.22 97. 2. F012700300064 16.04 0.22 92. 2. F012700300065 16.22 0.22 96. 2. F012700300066 16.36 0.22 78. 2. F012700300067 16.56 0.22 89. 2. F012700300068 16.72 0.22 91. 2. F012700300069 16.88 0.21 90. 2. F012700300070 17.06 0.21 94. 2. F012700300071 17.16 0.21 78. 2. F012700300072 18.26 1.68 83. 1. F012700300073 19.24 0.20 63. 6. F012700300074 19.42 0.19 68. 7. F012700300075 19.56 0.19 76. 9. F012700300076 19.80 0.19 66. 10. F012700300077 20.07 0.18 48. 7. F012700300078 20.26 0.18 77. 11. F012700300079 20.48 0.18 61. 9. F012700300080 20.80 0.17 39. 17. F012700300081 21.16 0.17 66. 21. F012700300082 21.56 0.17 30. 2. F012700300083 ENDDATA 73 0 F012700300084 ENDSUBENT 83 0 F012700399999 SUBENT F0127004 20200508 F077F012700400001 BIB 3 6 F012700400002 REACTION (4-BE-9(D,N+T)4-BE-7,,SIG) F012700400003 STATUS (TABLE) Table III from Phys.Rev.,100(1955)799 F012700400004 HISTORY (20200507A) SD: SF9=EXP deleted from REACTION code. F012700400005 ERR-ANALYS deleted. STATUS updated. EN -> EN-MEAN. F012700400006 DATA-ERR1 moved to Subent 001 (see ERR-SYS). F012700400007 ERR-T -> DATA-ERR. F012700400008 ENDBIB 6 0 F012700400009 NOCOMMON 0 0 F012700400010 DATA 4 13 F012700400011 EN-MEAN EN-ERR DATA DATA-ERR F012700400012 MEV MEV MB MB F012700400013 17.06 0.21 0.00E+00 1.00E-04 F012700400014 17.16 0.21 8.00E-04 1.00E-04 F012700400015 18.26 1.68 2.70E-03 1.00E-04 F012700400016 19.24 0.20 1.35E-02 5.00E-04 F012700400017 19.42 0.20 1.94E-02 5.00E-04 F012700400018 19.56 0.19 2.48E-02 6.00E-04 F012700400019 19.80 0.19 3.01E-02 7.00E-04 F012700400020 20.07 0.19 3.76E-02 7.00E-04 F012700400021 20.26 0.18 5.04E-02 1.00E-03 F012700400022 20.48 0.18 4.79E-02 1.00E-03 F012700400023 20.80 0.18 6.29E-02 1.00E-03 F012700400024 21.16 0.17 6.98E-02 1.30E-03 F012700400025 21.56 0.17 7.78E-02 1.30E-03 F012700400026 ENDDATA 15 0 F012700400027 ENDSUBENT 26 0 F012700499999 ENDENTRY 4 0 F012799999999