ENTRY C2762 20220519 C220C2762 0 1 SUBENT C2762001 20220519 C220C2762 1 1 BIB 6 13 C2762 1 2 TITLE Neutron energy spectra of different size 239Pu- C2762 1 3 Be(alpha,n) sources C2762 1 4 AUTHOR (M.E.Anderson, R.A.Neff) C2762 1 5 REFERENCE (J,NIM,99,231,1972) C2762 1 6 #doi:10.1016/0029-554X(72)90781-1 C2762 1 7 INSTITUTE (1USAUSA) Monsanto Research Corporation, Miamisburg, C2762 1 8 Ohio 45342, U.S.A. C2762 1 9 ADD-RES (N-SPC) Intensity maxima near 2.0, 3.1, 4.8, 6.6, C2762 1 10 7.7, and 9.8 MeV were seen in all spectra and a small C2762 1 11 maximum near 1.4 MeV was seen in two of the C2762 1 12 spectra. These findings are given on page 231 of J, C2762 1 13 NIM,99,231,1972. C2762 1 14 HISTORY (20220519C) BP C2762 1 15 ENDBIB 13 0 C2762 1 16 COMMON 1 3 C2762 1 17 EN C2762 1 18 MEV C2762 1 19 5.156 C2762 1 20 ENDCOMMON 3 0 C2762 1 21 ENDSUBENT 20 0 C2762 199999 SUBENT C2762002 20220519 C220C2762 2 1 BIB 5 6 C2762 2 2 REACTION (4-BE-9(A,N)6-C-12,,DE,,REL) C2762 2 3 INC-SOURCE M-591 containing 80 g of Pu and 39g of Be. C2762 2 4 DETECTOR (PLATE) Nuclear emulsions. C2762 2 5 ERR-ANALYS (ERR-S) Representative error bars for the emulsion C2762 2 6 spectrum, due only to counting statistics. C2762 2 7 STATUS (CURVE) Fig. 1, page 233 of J,NIM,99,231,1972. C2762 2 8 ENDBIB 6 0 C2762 2 9 NOCOMMON 0 0 C2762 2 10 DATA 4 22 C2762 2 11 E-MIN E-MAX DATA ERR-S C2762 2 12 MEV MEV ARB-UNITS ARB-UNITS C2762 2 13 0.000 0.500 7.944 0.306 C2762 2 14 0.500 1.000 7.225 0.221 C2762 2 15 1.000 1.500 5.105 C2762 2 16 1.500 2.000 4.240 0.238 C2762 2 17 2.000 2.500 4.925 C2762 2 18 2.500 3.000 5.327 0.238 C2762 2 19 3.000 3.500 7.105 C2762 2 20 3.500 4.000 5.640 C2762 2 21 4.000 4.500 5.760 C2762 2 22 4.500 5.000 5.994 0.238 C2762 2 23 5.000 5.500 5.225 C2762 2 24 5.500 6.000 3.430 C2762 2 25 6.000 6.500 2.570 0.187 C2762 2 26 6.500 7.000 3.620 C2762 2 27 7.000 7.500 3.130 C2762 2 28 7.500 8.000 3.627 0.237 C2762 2 29 8.000 8.500 2.975 C2762 2 30 8.500 9.000 1.222 C2762 2 31 9.000 9.500 0.774 C2762 2 32 9.500 10.000 1.200 0.187 C2762 2 33 10.000 10.500 0.690 C2762 2 34 10.500 11.000 0.190 C2762 2 35 ENDDATA 24 0 C2762 2 36 ENDSUBENT 35 0 C2762 299999 SUBENT C2762003 20220519 C220C2762 3 1 BIB 5 13 C2762 3 2 REACTION (4-BE-9(A,N)6-C-12,,DE,,REL) C2762 3 3 INC-SOURCE M-591 source containing 80 g of Pu and 39g of Be. C2762 3 4 DETECTOR (SCIN) A single stilbene crystal (2 cm diam. x 1 cm C2762 3 5 high), fast neutron spectrometer was used for C2762 3 6 determining that portion of the neutron energy C2762 3 7 spectrum with neutron energies greater than about 1 C2762 3 8 MeV. C2762 3 9 ERR-ANALYS (ERR-S) The error bars for the stilbene data represent C2762 3 10 +- one standard deviation and are from counting C2762 3 11 statistics only. In case where no error bar is shown, C2762 3 12 the dot representing the data point is larger than C2762 3 13 the associated error bar would be. C2762 3 14 STATUS (CURVE) Fig. 1, page 233 of J,NIM,99,231,1972. C2762 3 15 ENDBIB 13 0 C2762 3 16 NOCOMMON 0 0 C2762 3 17 DATA 3 55 C2762 3 18 E DATA ERR-S C2762 3 19 MEV ARB-UNITS ARB-UNITS C2762 3 20 0.960 7.155 C2762 3 21 1.051 5.371 C2762 3 22 1.100 4.945 C2762 3 23 1.201 4.741 0.119 C2762 3 24 1.289 4.943 C2762 3 25 1.360 5.299 C2762 3 26 1.394 5.231 C2762 3 27 1.512 4.924 C2762 3 28 1.578 4.482 C2762 3 29 1.626 4.006 0.136 C2762 3 30 1.715 4.412 C2762 3 31 1.803 4.836 C2762 3 32 1.906 4.818 C2762 3 33 2.062 4.918 0.119 C2762 3 34 2.181 4.747 C2762 3 35 2.284 4.814 C2762 3 36 2.421 4.694 0.119 C2762 3 37 2.507 4.642 C2762 3 38 2.611 4.794 C2762 3 39 2.751 5.268 C2762 3 40 2.822 5.590 C2762 3 41 2.965 6.268 0.119 C2762 3 42 3.037 6.742 C2762 3 43 3.143 7.268 0.152 C2762 3 44 3.324 6.128 0.153 C2762 3 45 3.528 5.701 C2762 3 46 3.886 5.358 C2762 3 47 4.213 5.388 C2762 3 48 4.544 6.030 C2762 3 49 4.887 5.925 C2762 3 50 5.177 5.684 C2762 3 51 5.445 4.730 0.085 C2762 3 52 5.765 3.775 0.102 C2762 3 53 6.034 2.855 C2762 3 54 6.342 2.665 0.101 C2762 3 55 6.607 3.716 C2762 3 56 6.861 3.203 0.102 C2762 3 57 7.083 2.946 0.102 C2762 3 58 7.360 3.249 0.119 C2762 3 59 7.620 3.586 0.119 C2762 3 60 7.877 3.516 0.102 C2762 3 61 8.115 3.139 0.085 C2762 3 62 8.385 2.406 0.085 C2762 3 63 8.604 1.809 0.068 C2762 3 64 8.822 0.992 C2762 3 65 9.097 1.006 0.068 C2762 3 66 9.302 0.834 C2762 3 67 9.562 1.205 C2762 3 68 9.769 1.373 C2762 3 69 10.009 1.234 C2762 3 70 10.230 0.909 C2762 3 71 10.467 0.448 C2762 3 72 10.723 0.174 C2762 3 73 10.928 0.002 C2762 3 74 11.100 0.000 C2762 3 75 ENDDATA 57 0 C2762 3 76 ENDSUBENT 75 0 C2762 399999 SUBENT C2762004 20220519 C220C2762 4 1 BIB 5 13 C2762 4 2 REACTION (4-BE-9(A,N)6-C-12,,DE,,REL) C2762 4 3 INC-SOURCE M-99 source containing 2g of Pu and 1.1g of Be. C2762 4 4 DETECTOR (SCIN) A single stilbene crystal (2 cm diam. x 1 cm C2762 4 5 high), fast neutron spectrometer was used for C2762 4 6 determining that portion of the neutron energy C2762 4 7 spectrum with neutron energies greater than about 1 C2762 4 8 MeV. C2762 4 9 ERR-ANALYS (ERR-S) The error bars for the stilbene data represent C2762 4 10 +- one standard deviation and are from counting C2762 4 11 statistics only. In case where no error bar is shown, C2762 4 12 the dot representing the data point is larger than C2762 4 13 the associated error bar would be. C2762 4 14 STATUS (CURVE) Fig. 2, page 233 of J,NIM,99,231,1972. C2762 4 15 ENDBIB 13 0 C2762 4 16 NOCOMMON 0 0 C2762 4 17 DATA 3 46 C2762 4 18 E DATA ERR-S C2762 4 19 MEV ARB-UNITS ARB-UNITS C2762 4 20 1.053 5.268 0.130 C2762 4 21 1.179 4.143 0.159 C2762 4 22 1.266 4.373 0.144 C2762 4 23 1.352 4.113 0.188 C2762 4 24 1.538 3.794 0.116 C2762 4 25 1.724 3.332 0.101 C2762 4 26 1.884 3.849 0.115 C2762 4 27 2.030 4.353 0.115 C2762 4 28 2.201 3.847 0.144 C2762 4 29 2.317 4.062 0.173 C2762 4 30 2.490 4.191 0.173 C2762 4 31 2.607 4.695 0.187 C2762 4 32 2.754 5.457 0.216 C2762 4 33 2.827 5.817 0.173 C2762 4 34 2.887 6.768 0.231 C2762 4 35 2.989 7.301 0.173 C2762 4 36 3.005 7.892 0.274 C2762 4 37 3.149 7.847 0.230 C2762 4 38 3.221 7.789 0.216 C2762 4 39 3.279 7.673 0.288 C2762 4 40 3.392 7.010 0.231 C2762 4 41 3.593 6.605 0.274 C2762 4 42 3.892 5.651 0.130 C2762 4 43 4.239 5.937 0.115 C2762 4 44 4.557 6.396 0.130 C2762 4 45 4.875 6.696 0.173 C2762 4 46 5.178 6.593 0.173 C2762 4 47 5.476 5.207 0.187 C2762 4 48 5.747 4.283 0.144 C2762 4 49 6.032 2.911 0.144 C2762 4 50 6.305 2.852 0.158 C2762 4 51 6.596 3.700 0.202 C2762 4 52 6.870 4.001 0.202 C2762 4 53 7.113 3.177 0.173 C2762 4 54 7.359 3.579 0.173 C2762 4 55 7.618 3.462 0.216 C2762 4 56 7.879 4.022 0.187 C2762 4 57 8.138 3.920 0.173 C2762 4 58 8.380 2.794 0.144 C2762 4 59 8.666 2.172 0.130 C2762 4 60 8.966 1.016 0.101 C2762 4 61 9.326 0.985 0.101 C2762 4 62 9.658 1.386 0.115 C2762 4 63 10.019 1.427 0.072 C2762 4 64 10.348 0.877 0.072 C2762 4 65 10.693 0.298 0.101 C2762 4 66 ENDDATA 48 0 C2762 4 67 ENDSUBENT 66 0 C2762 499999 SUBENT C2762005 20220519 C220C2762 5 1 BIB 5 13 C2762 5 2 REACTION (4-BE-9(A,N)6-C-12,,DE,,REL) C2762 5 3 INC-SOURCE M-977 source containing 13.5 g of Pu and 6.6g of Be. C2762 5 4 DETECTOR (SCIN) A single stilbene crystal (2 cm diam. x 1 cm C2762 5 5 high), fast neutron spectrometer was used for C2762 5 6 determining that portion of the neutron energy C2762 5 7 spectrum with neutron energies greater than about 1 C2762 5 8 MeV. C2762 5 9 ERR-ANALYS (ERR-S) The error bars for the stilbene data represent C2762 5 10 +- one standard deviation and are from counting C2762 5 11 statistics only. In case where no error bar is shown, C2762 5 12 the dot representing the data point is larger than C2762 5 13 the associated error bar would be. C2762 5 14 STATUS (CURVE) Fig. 3, page 234 of J,NIM,99,231,1972. C2762 5 15 ENDBIB 13 0 C2762 5 16 NOCOMMON 0 0 C2762 5 17 DATA 3 51 C2762 5 18 E DATA ERR-S C2762 5 19 MEV ARB-UNITS ARB-UNITS C2762 5 20 1.011 5.980 C2762 5 21 1.105 4.982 C2762 5 22 1.186 4.469 C2762 5 23 1.294 4.713 C2762 5 24 1.375 4.173 0.081 C2762 5 25 1.469 4.093 0.067 C2762 5 26 1.536 3.877 0.067 C2762 5 27 1.631 3.675 0.081 C2762 5 28 1.739 3.783 0.094 C2762 5 29 1.792 3.999 0.081 C2762 5 30 1.873 4.134 0.094 C2762 5 31 2.035 4.418 0.067 C2762 5 32 2.183 4.257 0.094 C2762 5 33 2.345 3.961 0.108 C2762 5 34 2.615 4.474 0.121 C2762 5 35 2.763 5.567 0.094 C2762 5 36 2.898 6.135 0.108 C2762 5 37 3.032 7.713 0.108 C2762 5 38 3.140 7.336 0.081 C2762 5 39 3.342 6.905 0.122 C2762 5 40 3.504 6.204 0.135 C2762 5 41 3.868 5.571 0.121 C2762 5 42 4.191 5.586 0.094 C2762 5 43 4.488 5.897 0.067 C2762 5 44 4.798 6.235 0.121 C2762 5 45 5.108 6.236 0.135 C2762 5 46 5.391 5.037 0.094 C2762 5 47 5.633 4.269 0.122 C2762 5 48 5.930 3.285 0.135 C2762 5 49 6.226 2.854 0.135 C2762 5 50 6.482 3.314 0.108 C2762 5 51 6.725 3.490 C2762 5 52 7.008 3.127 0.094 C2762 5 53 7.264 3.060 0.149 C2762 5 54 7.520 3.519 0.108 C2762 5 55 7.776 3.628 0.135 C2762 5 56 8.019 3.467 0.121 C2762 5 57 8.248 2.780 0.081 C2762 5 58 8.491 2.214 0.121 C2762 5 59 8.760 1.446 0.122 C2762 5 60 8.949 1.029 C2762 5 61 9.178 0.787 0.081 C2762 5 62 9.420 1.165 C2762 5 63 9.636 1.557 C2762 5 64 9.865 1.477 C2762 5 65 10.081 1.275 C2762 5 66 10.296 0.885 C2762 5 67 10.553 0.508 C2762 5 68 10.741 0.212 C2762 5 69 10.943 0.091 C2762 5 70 11.159 0.105 C2762 5 71 ENDDATA 53 0 C2762 5 72 ENDSUBENT 71 0 C2762 599999 SUBENT C2762006 20220519 C220C2762 6 1 BIB 5 13 C2762 6 2 REACTION (4-BE-9(A,N)6-C-12,,DE,,REL) C2762 6 3 INC-SOURCE M-930 source containing 159.9g of Pu and 79g of Be. C2762 6 4 DETECTOR (SCIN) A single stilbene crystal (2 cm diam. x 1 cm C2762 6 5 high), fast neutron spectrometer was used for C2762 6 6 determining that portion of the neutron energy C2762 6 7 spectrum with neutron energies greater than about 1 C2762 6 8 MeV. C2762 6 9 ERR-ANALYS (ERR-S) The error bars for the stilbene data represent C2762 6 10 +- one standard deviation and are from counting C2762 6 11 statistics only. In case where no error bar is shown, C2762 6 12 the dot representing the data point is larger than C2762 6 13 the associated error bar would be. C2762 6 14 STATUS (CURVE) Fig. 4, page 234 of J,NIM,99,231,1972. C2762 6 15 ENDBIB 13 0 C2762 6 16 NOCOMMON 0 0 C2762 6 17 DATA 3 51 C2762 6 18 E DATA ERR-S C2762 6 19 MEV ARB-UNITS ARB-UNITS C2762 6 20 1.068 7.533 0.094 C2762 6 21 1.171 7.022 0.094 C2762 6 22 1.301 6.416 0.121 C2762 6 23 1.420 6.106 0.134 C2762 6 24 1.541 6.307 0.121 C2762 6 25 1.627 5.138 0.161 C2762 6 26 1.736 5.365 0.161 C2762 6 27 1.927 5.860 0.121 C2762 6 28 2.141 5.831 0.094 C2762 6 29 2.300 5.587 0.094 C2762 6 30 2.484 5.170 0.134 C2762 6 31 2.648 5.638 C2762 6 32 2.853 6.293 C2762 6 33 3.049 7.553 C2762 6 34 3.208 7.296 0.080 C2762 6 35 3.418 6.677 0.094 C2762 6 36 3.590 6.420 0.067 C2762 6 37 3.789 6.029 0.107 C2762 6 38 3.947 5.705 0.094 C2762 6 39 4.134 5.623 0.080 C2762 6 40 4.297 6.010 0.081 C2762 6 41 4.447 6.358 0.121 C2762 6 42 4.594 6.303 0.121 C2762 6 43 4.781 6.354 0.094 C2762 6 44 4.929 6.447 0.121 C2762 6 45 5.075 6.190 0.121 C2762 6 46 5.259 5.665 0.121 C2762 6 47 5.390 5.234 0.094 C2762 6 48 5.547 4.696 0.107 C2762 6 49 5.807 3.619 C2762 6 50 6.109 2.690 C2762 6 51 6.394 3.291 C2762 6 52 6.663 3.476 C2762 6 53 6.929 3.178 C2762 6 54 7.196 3.095 C2762 6 55 7.453 3.468 C2762 6 56 7.695 3.640 C2762 6 57 7.974 3.262 C2762 6 58 8.239 2.870 C2762 6 59 8.461 2.009 C2762 6 60 8.711 1.348 C2762 6 61 8.989 0.930 C2762 6 62 9.216 0.847 C2762 6 63 9.459 1.166 C2762 6 64 9.662 1.406 C2762 6 65 9.915 1.283 C2762 6 66 10.168 1.012 C2762 6 67 10.352 0.607 C2762 6 68 10.605 0.282 C2762 6 69 10.804 0.039 C2762 6 70 11.044 0.009 C2762 6 71 ENDDATA 53 0 C2762 6 72 ENDSUBENT 71 0 C2762 699999 ENDENTRY 6 0 C276299999999