ENTRY C2850 20221109 C285000000001 SUBENT C2850001 20221109 20231011 C285000100001 BIB 8 23 C285000100002 TITLE (d,n) Reactions on Boron and Carbon C285000100003 AUTHOR (J.B.Marion,T.W.Bonner,C.F.Cook) C285000100004 REFERENCE (J,PR,100,847,1955) C285000100005 #doi:10.1103/PhysRev.100.847 C285000100006 INSTITUTE (1USARIC) C285000100007 FACILITY (VDG,1USARIC) 6 MeV Van de Graaff. C285000100008 DETECTOR (BF3) Two paragon-moderated BF3 counters. C285000100009 METHOD The counter ratio method: One of these counters is C285000100010 preferentially sensitive to low-energy neutrons C285000100011 ("slow counter") and the other is almost energy- C285000100012 insensitive ("modified long counter"). The ratio of C285000100013 the counting rate in the slow counter to that in the C285000100014 modified long counter gives a measure of the number C285000100015 of slow neutrons emitted at a particular bombarding C285000100016 energy. As the energy is increased, sharp rises in C285000100017 the "counter ratio" indicate the emission of C285000100018 threshold neutrons to an energy level of the residual C285000100019 nucleus. The increase of the counter ratio is made C285000100020 even more pronounced by the fact that the efficiency C285000100021 of the modified long counter, in its position behind C285000100022 the slow counter, decreases rapidly for neutrons of C285000100023 energy less than about 0.3 MeV. C285000100024 HISTORY (20221109C) BP C285000100025 ENDBIB 23 0 C285000100026 NOCOMMON 0 0 C285000100027 ENDSUBENT 26 0 C285000199999 SUBENT C2850002 20221109 20231011 C285000200001 BIB 4 8 C285000200002 REACTION (5-B-10(D,N)6-C-11,,DA,,AV) C285000200003 DETECTOR (BF3) Two paragon-moderated BF3 counters. C285000200004 SAMPLE (5-B-10,ENR=0.96) A target of about 35-keV thickness C285000200005 at a deuteron energy of 2 MeV was prepared by C285000200006 evaporating boron metal, enriched to 96% B10, onto a C285000200007 tantalum blank. C285000200008 STATUS (CURVE,,J.B.Marion+,J,PR,100,847,1955) C285000200009 Fig. 1, page 848 of J,PR,100,847,1955. C285000200010 ENDBIB 8 0 C285000200011 COMMON 2 3 C285000200012 ANG-MIN ANG-MAX C285000200013 ADEG ADEG C285000200014 0.0 10.0 C285000200015 ENDCOMMON 3 0 C285000200016 DATA 2 110 C285000200017 EN DATA C285000200018 MEV MB/SR C285000200019 0.317 5.897 C285000200020 0.337 5.867 C285000200021 0.397 5.776 C285000200022 0.451 6.637 C285000200023 0.506 8.913 C285000200024 0.561 9.773 C285000200025 0.616 11.578 C285000200026 0.661 12.925 C285000200027 0.721 14.250 C285000200028 0.781 15.575 C285000200029 0.826 16.451 C285000200030 0.875 16.847 C285000200031 0.930 17.236 C285000200032 0.995 18.553 C285000200033 1.045 18.949 C285000200034 1.095 19.818 C285000200035 1.159 21.135 C285000200036 1.204 22.011 C285000200037 1.264 22.864 C285000200038 1.314 24.204 C285000200039 1.364 26.016 C285000200040 1.424 25.925 C285000200041 1.478 27.257 C285000200042 1.533 29.062 C285000200043 1.583 29.458 C285000200044 1.638 30.790 C285000200045 1.693 32.123 C285000200046 1.753 33.448 C285000200047 1.788 34.339 C285000200048 1.817 34.293 C285000200049 1.838 36.622 C285000200050 1.872 36.570 C285000200051 1.912 37.453 C285000200052 1.942 38.823 C285000200053 1.982 38.763 C285000200054 2.022 39.646 C285000200055 2.047 40.552 C285000200056 2.082 42.386 C285000200057 2.127 42.318 C285000200058 2.162 43.209 C285000200059 2.187 44.115 C285000200060 2.217 45.014 C285000200061 2.247 45.912 C285000200062 2.277 48.226 C285000200063 2.317 49.109 C285000200064 2.347 50.479 C285000200065 2.377 53.265 C285000200066 2.412 54.628 C285000200067 2.447 55.519 C285000200068 2.467 56.904 C285000200069 2.483 58.769 C285000200070 2.498 60.162 C285000200071 2.533 61.997 C285000200072 2.548 63.861 C285000200073 2.583 64.752 C285000200074 2.618 66.587 C285000200075 2.629 68.931 C285000200076 2.644 71.740 C285000200077 2.664 74.541 C285000200078 2.685 77.342 C285000200079 2.695 80.158 C285000200080 2.721 82.951 C285000200081 2.736 85.288 C285000200082 2.761 88.081 C285000200083 2.772 90.426 C285000200084 2.787 93.234 C285000200085 2.808 96.507 C285000200086 2.818 100.739 C285000200087 2.848 101.637 C285000200088 2.864 105.861 C285000200089 2.875 108.678 C285000200090 2.890 111.014 C285000200091 2.906 115.238 C285000200092 2.931 116.616 C285000200093 2.961 120.818 C285000200094 2.982 124.091 C285000200095 2.991 122.188 C285000200096 3.016 124.038 C285000200097 3.022 128.277 C285000200098 3.038 132.501 C285000200099 3.063 134.823 C285000200100 3.104 139.009 C285000200101 3.150 146.019 C285000200102 3.217 158.190 C285000200103 3.262 160.481 C285000200104 3.324 172.659 C285000200105 3.374 176.830 C285000200106 3.434 179.571 C285000200107 3.490 185.622 C285000200108 3.540 185.075 C285000200109 3.597 198.204 C285000200110 3.646 198.600 C285000200111 3.706 199.925 C285000200112 3.760 196.539 C285000200113 3.807 205.908 C285000200114 3.836 204.919 C285000200115 3.866 204.402 C285000200116 3.916 205.270 C285000200117 3.971 205.187 C285000200118 4.025 204.632 C285000200119 4.085 205.485 C285000200120 4.139 204.930 C285000200121 4.184 204.862 C285000200122 4.244 205.243 C285000200123 4.298 205.160 C285000200124 4.353 206.020 C285000200125 4.413 205.458 C285000200126 4.458 206.805 C285000200127 4.517 205.771 C285000200128 4.572 206.160 C285000200129 ENDDATA 112 0 C285000200130 ENDSUBENT 129 0 C285000299999 SUBENT C2850003 20221109 20231011 C285000300001 BIB 3 7 C285000300002 REACTION (5-B-11(D,N)6-C-12,,DA,,AV) C285000300003 SAMPLE A target of normal boron metal, evaporated onto a C285000300004 tungsten blank, was used in this experiment; it was C285000300005 approximately 50-KeV thick at a deuteron energy of C285000300006 2.5 MeV. C285000300007 STATUS (CURVE,,J.B.Marion+,J,PR,100,847,1955) C285000300008 Fig. 2, page 848 of J,PR,100,847,1955. C285000300009 ENDBIB 7 0 C285000300010 COMMON 2 3 C285000300011 ANG-MIN ANG-MAX C285000300012 ADEG ADEG C285000300013 0.0 10.0 C285000300014 ENDCOMMON 3 0 C285000300015 DATA 2 150 C285000300016 EN DATA C285000300017 MEV MB/SR C285000300018 0.924 26.294 C285000300019 0.959 28.398 C285000300020 0.984 29.059 C285000300021 1.015 31.175 C285000300022 1.049 31.080 C285000300023 1.083 33.183 C285000300024 1.113 34.566 C285000300025 1.152 35.192 C285000300026 1.186 35.097 C285000300027 1.220 36.468 C285000300028 1.259 37.827 C285000300029 1.289 38.476 C285000300030 1.310 40.616 C285000300031 1.344 42.719 C285000300032 1.379 41.891 C285000300033 1.400 44.031 C285000300034 1.439 45.390 C285000300035 1.481 46.737 C285000300036 1.529 48.072 C285000300037 1.567 49.431 C285000300038 1.614 50.766 C285000300039 1.640 53.626 C285000300040 1.679 54.985 C285000300041 1.709 56.368 C285000300042 1.735 59.228 C285000300043 1.769 59.866 C285000300044 1.795 64.926 C285000300045 1.825 64.842 C285000300046 1.855 66.958 C285000300047 1.906 69.014 C285000300048 1.945 72.572 C285000300049 1.979 75.409 C285000300050 2.018 77.501 C285000300051 2.044 80.361 C285000300052 2.070 81.756 C285000300053 2.112 83.103 C285000300054 2.147 83.008 C285000300055 2.190 85.820 C285000300056 2.220 88.669 C285000300057 2.250 91.518 C285000300058 2.288 93.610 C285000300059 2.314 95.737 C285000300060 2.348 94.176 C285000300061 2.374 99.235 C285000300062 2.396 105.773 C285000300063 2.426 107.155 C285000300064 2.457 112.936 C285000300065 2.478 112.877 C285000300066 2.499 109.885 C285000300067 2.525 112.746 C285000300068 2.543 117.829 C285000300069 2.585 118.443 C285000300070 2.616 122.025 C285000300071 2.642 129.283 C285000300072 2.663 130.689 C285000300073 2.693 133.538 C285000300074 2.715 136.410 C285000300075 2.771 138.455 C285000300076 2.784 145.749 C285000300077 2.823 155.170 C285000300078 2.845 155.111 C285000300079 2.874 152.829 C285000300080 2.905 158.609 C285000300081 2.947 155.558 C285000300082 2.960 159.920 C285000300083 2.987 165.713 C285000300084 3.030 170.725 C285000300085 3.033 162.650 C285000300086 3.085 166.905 C285000300087 3.111 176.363 C285000300088 3.125 187.321 C285000300089 3.160 193.823 C285000300090 3.185 188.621 C285000300091 3.215 187.072 C285000300092 3.228 194.366 C285000300093 3.263 203.066 C285000300094 3.294 214.710 C285000300095 3.316 219.782 C285000300096 3.346 224.829 C285000300097 3.368 232.833 C285000300098 3.398 237.147 C285000300099 3.426 256.133 C285000300100 3.447 258.273 C285000300101 3.477 253.058 C285000300102 3.491 266.949 C285000300103 3.529 263.910 C285000300104 3.547 271.925 C285000300105 3.573 276.252 C285000300106 3.607 272.492 C285000300107 3.629 284.893 C285000300108 3.659 284.810 C285000300109 3.684 275.943 C285000300110 3.701 278.094 C285000300111 3.736 284.596 C285000300112 3.761 280.126 C285000300113 3.782 279.334 C285000300114 3.817 282.904 C285000300115 3.822 294.619 C285000300116 3.869 294.488 C285000300117 3.895 294.417 C285000300118 3.921 298.744 C285000300119 3.968 298.613 C285000300120 3.993 299.274 C285000300121 4.066 304.203 C285000300122 4.100 296.778 C285000300123 4.127 310.633 C285000300124 4.186 310.467 C285000300125 4.204 314.817 C285000300126 4.237 306.659 C285000300127 4.259 309.531 C285000300128 4.281 316.802 C285000300129 4.311 319.650 C285000300130 4.332 312.261 C285000300131 4.366 313.632 C285000300132 4.389 326.766 C285000300133 4.405 322.321 C285000300134 4.443 312.685 C285000300135 4.465 319.222 C285000300136 4.494 313.275 C285000300137 4.525 321.254 C285000300138 4.538 330.747 C285000300139 4.573 332.118 C285000300140 4.594 336.457 C285000300141 4.624 333.441 C285000300142 4.655 339.955 C285000300143 4.680 338.418 C285000300144 4.706 344.943 C285000300145 4.724 351.492 C285000300146 4.753 341.147 C285000300147 4.787 340.319 C285000300148 4.809 351.254 C285000300149 4.830 345.331 C285000300150 4.856 351.123 C285000300151 4.882 351.052 C285000300152 4.907 348.782 C285000300153 4.937 351.630 C285000300154 4.993 350.743 C285000300155 5.015 354.348 C285000300156 5.049 359.384 C285000300157 5.075 360.045 C285000300158 5.095 351.190 C285000300159 5.126 356.238 C285000300160 5.151 356.167 C285000300161 5.177 356.095 C285000300162 5.203 355.291 C285000300163 5.224 356.697 C285000300164 5.245 347.109 C285000300165 5.275 349.225 C285000300166 5.305 354.272 C285000300167 5.348 354.153 C285000300168 ENDDATA 152 0 C285000300169 ENDSUBENT 168 0 C285000399999 SUBENT C2850004 20221109 20231011 C285000400001 BIB 3 8 C285000400002 REACTION (6-C-13(D,N)7-N-14,,DA,,AV) C285000400003 SAMPLE (6-C-13,ENR=0.68) Carbon targets were prepared by C285000400004 cracking methyl iodide, enriched to 68% C13, onto hot C285000400005 tantalum blanks. The target used in this experiment C285000400006 was approximately 15-keV thick at a deuteron energy C285000400007 of 0.6 MeV and approximately 5-keV thick at 3 MeV. C285000400008 STATUS (CURVE,,J.B.Marion+,J,PR,100,847,1955) C285000400009 Fig. 4, page 850 of J,PR,100,847,1955. C285000400010 ENDBIB 8 0 C285000400011 COMMON 2 3 C285000400012 ANG-MIN ANG-MAX C285000400013 ADEG ADEG C285000400014 0.0 10.0 C285000400015 ENDCOMMON 3 0 C285000400016 DATA 2 83 C285000400017 EN DATA C285000400018 MEV MB/SR C285000400019 1.859 111.392 C285000400020 1.879 113.810 C285000400021 1.893 116.237 C285000400022 1.927 117.642 C285000400023 1.951 118.576 C285000400024 1.975 120.492 C285000400025 2.003 121.907 C285000400026 2.032 124.305 C285000400027 2.070 124.227 C285000400028 2.103 123.667 C285000400029 2.136 123.107 C285000400030 2.150 121.603 C285000400031 2.178 120.562 C285000400032 2.206 120.012 C285000400033 2.234 119.953 C285000400034 2.272 120.365 C285000400035 2.301 122.763 C285000400036 2.320 121.741 C285000400037 2.344 124.149 C285000400038 2.363 126.075 C285000400039 2.392 128.473 C285000400040 2.426 130.861 C285000400041 2.455 131.785 C285000400042 2.479 133.702 C285000400043 2.499 138.084 C285000400044 2.509 140.522 C285000400045 2.528 142.448 C285000400046 2.543 145.858 C285000400047 2.553 148.295 C285000400048 2.568 151.705 C285000400049 2.587 153.631 C285000400050 2.607 156.540 C285000400051 2.626 158.466 C285000400052 2.660 161.346 C285000400053 2.693 160.294 C285000400054 2.716 157.789 C285000400055 2.734 155.292 C285000400056 2.757 152.787 C285000400057 2.770 149.318 C285000400058 2.803 146.792 C285000400059 2.827 147.235 C285000400060 2.845 145.721 C285000400061 2.878 146.144 C285000400062 2.902 145.112 C285000400063 2.931 146.527 C285000400064 2.968 146.940 C285000400065 3.002 147.363 C285000400066 3.044 147.275 C285000400067 3.068 149.191 C285000400068 3.092 151.599 C285000400069 3.116 153.515 C285000400070 3.140 152.483 C285000400071 3.168 150.459 C285000400072 3.201 149.899 C285000400073 3.234 151.796 C285000400074 3.253 151.265 C285000400075 3.277 152.690 C285000400076 3.306 154.597 C285000400077 3.344 155.501 C285000400078 3.377 154.941 C285000400079 3.410 157.329 C285000400080 3.439 156.779 C285000400081 3.449 159.707 C285000400082 3.464 162.626 C285000400083 3.469 165.564 C285000400084 3.488 167.982 C285000400085 3.512 168.915 C285000400086 3.521 166.439 C285000400087 3.549 162.941 C285000400088 3.587 163.353 C285000400089 3.615 165.260 C285000400090 3.644 166.184 C285000400091 3.658 164.680 C285000400092 3.692 167.560 C285000400093 3.715 167.019 C285000400094 3.738 165.496 C285000400095 3.757 164.966 C285000400096 3.781 166.882 C285000400097 3.795 164.396 C285000400098 3.823 163.846 C285000400099 3.851 163.295 C285000400100 3.880 163.236 C285000400101 3.903 162.696 C285000400102 ENDDATA 85 0 C285000400103 ENDSUBENT 102 0 C285000499999 SUBENT C2850005 20221109 20231011 C285000500001 BIB 3 6 C285000500002 REACTION 1(6-C-13(D,0),,EN) C285000500003 2(6-C-13(D,N),,WID) C285000500004 ERR-ANALYS (DATA-ERR) No details on sources of uncertainties. C285000500005 STATUS (DEP,C2850004) C285000500006 (TABLE,,J.B.Marion+,J,PR,100,847,1955) C285000500007 Table III, page 851 of J,PR,100,847,1955. C285000500008 ENDBIB 6 0 C285000500009 NOCOMMON 0 0 C285000500010 DATA 3 3 C285000500011 DATA 1DATA-ERR 1DATA-APRX 2 C285000500012 MEV MEV MEV C285000500013 1.80 0.05 0.6 C285000500014 2.45 0.03 0.4 C285000500015 3.46 0.03 0.15 C285000500016 ENDDATA 5 0 C285000500017 ENDSUBENT 16 0 C285000599999 SUBENT C2850006 20221109 20231011 C285000600001 BIB 3 7 C285000600002 REACTION (6-C-13(D,0),,EN) C285000600003 REL-REF (R,F0985001,T.W.Bonner+,J,PR,101,209,1956) Cross C285000600004 section data. C285000600005 STATUS (DEP,F0985002) C285000600006 (DEP,F0985003) C285000600007 (TABLE,,J.B.Marion+,J,PR,100,847,1955) C285000600008 page 850 of J,PR,100,847,1955. C285000600009 ENDBIB 7 0 C285000600010 NOCOMMON 0 0 C285000600011 DATA 1 2 C285000600012 DATA C285000600013 MEV C285000600014 3.01 C285000600015 3.36 C285000600016 ENDDATA 4 0 C285000600017 ENDSUBENT 16 0 C285000699999 ENDENTRY 6 0 C285099999999