ENTRY L0040 19970129 0000L004000000001 SUBENT L0040001 19970129 0000L004000100001 BIB 13 29 L004000100002 INSTITUTE (2GERJLU) L004000100003 REFERENCE (J,NP/A,247,91,75) L004000100004 AUTHOR (U.KNEISSL,G.KUHL,K.H.LEISTER,A.WELLER) L004000100005 TITLE Photoneutron cross sections for 9Be obtained with L004000100006 quasi-monoenergetic photons. L004000100007 FACILITY (LINAC,2GERJLU) L004000100008 INC-SOURCE (QMPH,ARAD) Positron annihilation in flight. L004000100009 Gamma energy resolution estimated to be about 250 keV L004000100010 at 20 MeV and 300 keV at 30 MeV. L004000100011 SAMPLE Be metal cylinder with diameter 11 cm (purity 99%, L004000100012 9.26 g/cm**2). L004000100013 DETECTOR (STANK) NE323 500 l Gd-loaded (0.3%) 4pi liquid L004000100014 scintillator tank. L004000100015 METHOD (EXTB,STATD) Statistically determined neutron L004000100016 multiplicity. L004000100017 ANALYSIS At mean counting rates, the method of solving a system L004000100018 of quasilinear equations has been employed (see L004000100019 H.Beil, et al., Nuc.Instr.Meth.,67,293 (1969)) L004000100020 For higher counting rates, the moments method was L004000100021 applied (see B.I.Goryachev, At.En.,12,246 (1962)). L004000100022 ERR-ANALYS (DATA-ERR1) Statistical uncertainties. L004000100023 (DATA-ERR2) Systematic error arising from absolute L004000100024 calibration of the photon intensity estimated to be L004000100025 about 10%. L004000100026 COMMENT No pronounced structure was found in the cross section L004000100027 in contrast to recent experiments performed with L004000100028 Bremsstrahlung sources. L004000100029 HISTORY (891206C) L004000100030 (950405A) BIB Updated L004000100031 ENDBIB 29 0 L004000100032 COMMON 1 3 L004000100033 DATA-ERR2 L004000100034 PER-CENT L004000100035 10. L004000100036 ENDCOMMON 3 0 L004000100037 ENDSUBENT 36 0 L004000199999 SUBENT L0040002 19970129 0000L004000200001 BIB 2 3 L004000200002 REACTION ((4-BE-9(G,N)4-BE-8,,SIG)+(4-BE-9(G,N+P)3-LI-7,,SIG)) L004000200003 Threshold of the reaction (gamma,n+p) is 20.6 MeV. L004000200004 STATUS Converted from Berman compilation. L004000200005 ENDBIB 3 0 L004000200006 NOCOMMON 0 0 L004000200007 DATA 3 102 L004000200008 EN DATA DATA-ERR1 L004000200009 MEV MB MB L004000200010 16.869 0.570 0.225 L004000200011 17.036 0.860 0.233 L004000200012 17.128 0.960 0.222 L004000200013 17.202 0.540 0.225 L004000200014 17.368 0.730 0.221 L004000200015 17.534 0.920 0.223 L004000200016 17.700 1.250 0.201 L004000200017 17.866 1.190 0.200 L004000200018 18.032 1.080 0.196 L004000200019 18.198 1.620 0.194 L004000200020 18.365 1.850 0.194 L004000200021 18.531 1.620 0.192 L004000200022 18.697 2.130 0.192 L004000200023 18.863 1.840 0.195 L004000200024 19.048 1.860 0.192 L004000200025 19.214 1.660 0.191 L004000200026 19.380 1.910 0.193 L004000200027 19.546 1.770 0.365 L004000200028 19.712 1.850 0.375 L004000200029 19.878 2.370 0.368 L004000200030 20.044 1.730 0.408 L004000200031 20.211 1.990 0.416 L004000200032 20.321 1.960 0.417 L004000200033 20.875 2.490 0.428 L004000200034 21.041 2.470 0.428 L004000200035 21.207 2.960 0.447 L004000200036 21.374 2.460 0.440 L004000200037 21.540 2.590 0.437 L004000200038 21.706 2.280 0.447 L004000200039 21.872 2.280 0.441 L004000200040 22.038 2.230 0.446 L004000200041 22.204 2.190 0.448 L004000200042 22.370 2.570 0.457 L004000200043 22.537 2.490 0.459 L004000200044 22.703 2.690 0.455 L004000200045 22.869 2.360 0.468 L004000200046 23.053 2.230 0.479 L004000200047 23.220 2.140 0.479 L004000200048 23.386 1.940 0.488 L004000200049 23.552 2.240 0.491 L004000200050 23.718 2.650 0.484 L004000200051 23.884 2.390 0.488 L004000200052 24.050 2.000 0.530 L004000200053 24.217 1.520 0.540 L004000200054 24.549 2.040 0.542 L004000200055 24.715 1.920 0.542 L004000200056 24.881 2.240 0.540 L004000200057 25.047 1.430 0.499 L004000200058 25.250 1.560 0.500 L004000200059 25.509 1.690 0.489 L004000200060 25.749 1.290 0.506 L004000200061 26.007 1.900 0.505 L004000200062 26.247 1.690 0.520 L004000200063 26.506 1.680 0.526 L004000200064 26.746 1.810 0.531 L004000200065 27.004 1.990 0.534 L004000200066 27.244 1.990 0.541 L004000200067 27.503 0.670 0.568 L004000200068 27.743 1.620 0.563 L004000200069 28.001 1.340 0.567 L004000200070 28.241 1.000 0.592 L004000200071 28.500 1.280 0.585 L004000200072 28.758 1.500 0.622 L004000200073 29.497 1.080 0.651 L004000200074 29.571 0.740 0.648 L004000200075 29.755 1.110 0.664 L004000200076 29.995 1.130 0.660 L004000200077 30.254 0.320 0.727 L004000200078 30.494 1.400 0.722 L004000200079 30.623 0.930 0.684 L004000200080 30.752 0.600 0.730 L004000200081 30.992 1.000 0.734 L004000200082 31.251 1.030 0.700 L004000200083 31.509 0.150 0.720 L004000200084 32.008 0.570 0.720 L004000200085 32.248 1.080 0.723 L004000200086 32.506 0.580 0.732 L004000200087 32.746 0.360 0.766 L004000200088 33.005 0.880 0.759 L004000200089 33.245 0.910 0.772 L004000200090 33.503 1.400 0.773 L004000200091 33.744 1.060 0.776 L004000200092 34.002 0.220 0.803 L004000200093 34.242 0.840 0.804 L004000200094 34.408 -0.460 0.840 L004000200095 34.648 1.810 0.815 L004000200096 34.907 0.740 0.846 L004000200097 34.999 0.220 0.849 L004000200098 35.091 1.560 0.848 L004000200099 35.258 0.680 0.849 L004000200100 35.405 -0.110 0.880 L004000200101 35.498 0.920 0.844 L004000200102 35.645 0.810 0.878 L004000200103 35.904 0.440 0.893 L004000200104 36.107 0.620 0.890 L004000200105 36.255 -0.430 0.873 L004000200106 36.402 1.190 0.904 L004000200107 36.495 -0.420 0.879 L004000200108 36.642 0.180 0.916 L004000200109 36.753 0.290 0.877 L004000200110 36.901 0.520 0.911 L004000200111 36.993 0.110 0.894 L004000200112 ENDDATA 104 0 L004000200113 ENDSUBENT 112 0 L004000299999 SUBENT L0040003 19970129 0000L004000300001 BIB 3 5 L004000300002 REACTION ((4-BE-9(G,2N)4-BE-7,,SIG)+ L004000300003 (4-BE-9(G,2N+P)3-LI-6,,SIG)) L004000300004 Threshold of (gamma,2n+p) reaction is 26.2 MeV. L004000300005 STATUS Converted from Berman compilation. L004000300006 HISTORY (950405A) REACTION corrected. L004000300007 ENDBIB 5 0 L004000300008 NOCOMMON 0 0 L004000300009 DATA 3 85 L004000300010 EN DATA DATA-ERR1 L004000300011 MEV MB MB L004000300012 19.546 0.140 0.156 L004000300013 19.712 0.290 0.161 L004000300014 19.878 0.090 0.157 L004000300015 20.044 0.260 0.173 L004000300016 20.211 0.250 0.176 L004000300017 20.321 0.300 0.177 L004000300018 20.875 0.420 0.190 L004000300019 21.041 0.430 0.190 L004000300020 21.207 0.420 0.204 L004000300021 21.374 0.410 0.201 L004000300022 21.540 0.480 0.200 L004000300023 21.706 0.610 0.205 L004000300024 21.872 0.480 0.202 L004000300025 22.038 0.590 0.205 L004000300026 22.204 0.620 0.206 L004000300027 22.370 0.700 0.210 L004000300028 22.537 0.850 0.212 L004000300029 22.703 0.690 0.209 L004000300030 22.869 0.900 0.216 L004000300031 23.053 0.980 0.222 L004000300032 23.220 1.100 0.222 L004000300033 23.386 1.290 0.227 L004000300034 23.552 1.290 0.229 L004000300035 23.718 1.040 0.225 L004000300036 23.884 1.230 0.228 L004000300037 24.050 1.250 0.253 L004000300038 24.217 1.500 0.259 L004000300039 24.549 1.350 0.260 L004000300040 24.715 1.370 0.260 L004000300041 24.881 1.250 0.259 L004000300042 25.047 1.630 0.233 L004000300043 25.250 1.620 0.234 L004000300044 25.509 1.380 0.228 L004000300045 25.749 1.720 0.237 L004000300046 26.007 1.550 0.236 L004000300047 26.247 1.820 0.244 L004000300048 26.506 1.860 0.247 L004000300049 26.746 1.750 0.249 L004000300050 27.004 1.720 0.251 L004000300051 27.244 1.720 0.254 L004000300052 27.503 2.260 0.268 L004000300053 27.743 1.800 0.265 L004000300054 28.001 1.770 0.267 L004000300055 28.241 2.220 0.280 L004000300056 28.500 1.910 0.276 L004000300057 28.758 1.790 0.298 L004000300058 29.497 1.890 0.312 L004000300059 29.571 1.890 0.310 L004000300060 29.755 1.790 0.318 L004000300061 29.995 1.590 0.316 L004000300062 30.254 2.190 0.352 L004000300063 30.494 1.670 0.349 L004000300064 30.623 1.790 0.329 L004000300065 30.752 1.990 0.353 L004000300066 30.992 1.790 0.354 L004000300067 31.251 1.700 0.336 L004000300068 31.509 2.020 0.346 L004000300069 32.008 1.610 0.345 L004000300070 32.248 1.490 0.346 L004000300071 32.506 1.620 0.350 L004000300072 32.746 2.090 0.367 L004000300073 33.005 1.810 0.363 L004000300074 33.245 1.780 0.369 L004000300075 33.503 1.530 0.369 L004000300076 33.744 1.510 0.370 L004000300077 34.002 2.030 0.383 L004000300078 34.242 1.810 0.383 L004000300079 34.408 2.230 0.402 L004000300080 34.648 1.240 0.388 L004000300081 34.907 1.560 0.404 L004000300082 34.999 2.170 0.404 L004000300083 35.091 1.380 0.404 L004000300084 35.258 2.020 0.403 L004000300085 35.405 2.100 0.420 L004000300086 35.498 1.750 0.400 L004000300087 35.645 1.740 0.418 L004000300088 35.904 1.990 0.425 L004000300089 36.107 1.680 0.423 L004000300090 36.255 2.310 0.413 L004000300091 36.402 1.780 0.429 L004000300092 36.495 2.380 0.415 L004000300093 36.642 2.100 0.435 L004000300094 36.753 2.100 0.413 L004000300095 36.901 1.990 0.431 L004000300096 36.993 2.340 0.421 L004000300097 ENDDATA 87 0 L004000300098 ENDSUBENT 97 0 L004000399999 SUBENT L0040004 19970129 0000L004000400001 BIB 2 3 L004000400002 REACTION (4-BE-9(G,X)0-NN-1,,SIG) L004000400003 The sum: (G,N)+(G,NP)+(G,2N)+2(G,2N+P). L004000400004 STATUS Converted from Berman compilation. L004000400005 ENDBIB 3 0 L004000400006 NOCOMMON 0 0 L004000400007 DATA 3 102 L004000400008 EN DATA DATA-ERR1 L004000400009 MEV MB MB L004000400010 16.869 0.570 0.225 L004000400011 17.036 0.860 0.223 L004000400012 17.128 0.960 0.222 L004000400013 17.202 0.540 0.225 L004000400014 17.368 0.730 0.221 L004000400015 17.534 0.920 0.223 L004000400016 17.700 1.250 0.201 L004000400017 17.866 1.190 0.200 L004000400018 18.032 1.080 0.196 L004000400019 18.198 1.620 0.194 L004000400020 18.365 1.850 0.194 L004000400021 18.531 1.620 0.192 L004000400022 18.697 2.130 0.192 L004000400023 18.863 1.840 0.195 L004000400024 19.048 1.860 0.192 L004000400025 19.214 1.660 0.191 L004000400026 19.380 1.910 0.193 L004000400027 19.546 2.050 0.290 L004000400028 19.712 2.430 0.298 L004000400029 19.878 2.550 0.293 L004000400030 20.044 2.250 0.327 L004000400031 20.211 2.490 0.333 L004000400032 20.321 2.560 0.334 L004000400033 20.875 3.330 0.333 L004000400034 21.041 3.330 0.333 L004000400035 21.207 3.800 0.341 L004000400036 21.374 3.280 0.335 L004000400037 21.540 3.550 0.333 L004000400038 21.706 3.500 0.340 L004000400039 21.872 3.240 0.336 L004000400040 22.038 3.410 0.339 L004000400041 22.204 3.430 0.341 L004000400042 22.370 3.970 0.347 L004000400043 22.537 4.190 0.348 L004000400044 22.703 4.070 0.346 L004000400045 22.869 4.160 0.355 L004000400046 23.053 4.190 0.361 L004000400047 23.220 4.340 0.361 L004000400048 23.386 4.520 0.367 L004000400049 23.552 4.820 0.370 L004000400050 23.718 4.730 0.364 L004000400051 23.884 4.850 0.367 L004000400052 24.050 4.500 0.390 L004000400053 24.217 4.520 0.397 L004000400054 24.549 4.740 0.399 L004000400055 24.715 4.660 0.399 L004000400056 24.881 4.740 0.397 L004000400057 25.047 4.690 0.374 L004000400058 25.250 4.800 0.375 L004000400059 25.509 4.450 0.368 L004000400060 25.749 4.730 0.379 L004000400061 26.007 5.000 0.379 L004000400062 26.247 5.330 0.389 L004000400063 26.506 5.400 0.393 L004000400064 26.746 5.310 0.397 L004000400065 27.004 5.430 0.399 L004000400066 27.244 5.430 0.404 L004000400067 27.503 5.190 0.423 L004000400068 27.743 5.220 0.419 L004000400069 28.001 4.880 0.423 L004000400070 28.241 5.440 0.440 L004000400071 28.500 5.100 0.436 L004000400072 28.758 5.080 0.457 L004000400073 29.497 4.860 0.479 L004000400074 29.571 4.520 0.477 L004000400075 29.755 4.690 0.489 L004000400076 29.995 4.310 0.486 L004000400077 30.254 4.700 0.530 L004000400078 30.494 4.740 0.527 L004000400079 30.623 4.510 0.501 L004000400080 30.752 4.580 0.533 L004000400081 30.992 4.580 0.536 L004000400082 31.251 4.430 0.513 L004000400083 31.509 4.190 0.528 L004000400084 32.008 3.790 0.529 L004000400085 32.248 4.060 0.532 L004000400086 32.506 3.820 0.539 L004000400087 32.746 4.540 0.563 L004000400088 33.005 4.500 0.560 L004000400089 33.245 4.470 0.569 L004000400090 33.503 4.460 0.570 L004000400091 33.744 4.080 0.573 L004000400092 34.002 4.280 0.592 L004000400093 34.242 4.460 0.595 L004000400094 34.408 4.000 0.618 L004000400095 34.648 4.290 0.602 L004000400096 34.907 3.860 0.624 L004000400097 34.999 4.560 0.627 L004000400098 35.091 4.320 0.627 L004000400099 35.258 4.720 0.629 L004000400100 35.405 4.090 0.649 L004000400101 35.498 4.420 0.626 L004000400102 35.645 4.290 0.649 L004000400103 35.904 4.420 0.660 L004000400104 36.107 3.980 0.659 L004000400105 36.255 4.190 0.649 L004000400106 36.402 4.750 0.670 L004000400107 36.495 4.340 0.654 L004000400108 36.642 4.380 0.679 L004000400109 36.753 4.490 0.654 L004000400110 36.901 4.500 0.677 L004000400111 36.993 4.790 0.667 L004000400112 ENDDATA 104 0 L004000400113 ENDSUBENT 112 0 L004000499999 SUBENT L0040005 19970129 0000L004000500001 BIB 2 5 L004000500002 REACTION (8-O-16(G,X)0-NN-1,UNW,SIG) L004000500003 The sum: (G,N)+(G,NP)+(G,2N)+(G,2N+P). L004000500004 Thresholds of (gamma,n+p), (gamma,2n), and L004000500005 (gamma,2n+p) reactions are 23.0, 28.9, and 33.5 MeV. L004000500006 STATUS (CURVE) Converted from data digitized by Fuller, NBS. L004000500007 ENDBIB 5 0 L004000500008 NOCOMMON 0 0 L004000500009 DATA 3 118 L004000500010 EN DATA DATA-ERR1 L004000500011 MEV MB MB L004000500012 17.04 .07 L004000500013 17.13 1.2 L004000500014 17.2 1.6 L004000500015 17.37 .67 L004000500016 17.53 .33 L004000500017 17.7 .12 L004000500018 17.87 0.0 L004000500019 18.03 .13 L004000500020 18.2 -0.09 L004000500021 18.37 .28 L004000500022 18.53 .09 L004000500023 18.7 .35 L004000500024 18.86 .53 L004000500025 19.05 .86 L004000500026 19.21 .68 L004000500027 19.38 1.14 L004000500028 19.55 .98 L004000500029 19.71 .38 L004000500030 19.88 .16 L004000500031 20.04 .36 L004000500032 20.21 .37 L004000500033 20.32 .31 L004000500034 20.54 1.14 L004000500035 20.69 1.62 L004000500036 20.87 2.16 L004000500037 21.04 2.02 L004000500038 21.21 1.78 L004000500039 21.37 2.39 L004000500040 21.54 3.32 L004000500041 21.63 3.93 .25 L004000500042 21.71 6.79 L004000500043 21.87 6.95 L004000500044 22.04 7.84 L004000500045 22.2 8.73 L004000500046 22.37 7.64 L004000500047 22.44 6.43 L004000500048 22.54 5.16 L004000500049 22.7 5.38 L004000500050 22.81 5.65 L004000500051 22.87 5.91 L004000500052 23.05 5.5 L004000500053 23.22 5.41 L004000500054 23.39 5.6 L004000500055 23.55 6.22 L004000500056 23.72 6.32 L004000500057 23.88 6.83 L004000500058 23.98 7.95 L004000500059 24.05 8.1 L004000500060 24.22 7.83 L004000500061 24.38 7.62 L004000500062 24.55 7.16 L004000500063 24.71 6.48 L004000500064 24.92 5.8 L004000500065 25.05 5.92 L004000500066 25.14 6.23 L004000500067 25.25 6.44 L004000500068 25.51 5.71 L004000500069 25.75 5.33 L004000500070 26.01 5.08 L004000500071 26.25 5.29 L004000500072 26.51 4.83 L004000500073 26.75 3.95 L004000500074 26.89 4.32 L004000500075 27. 4.82 L004000500076 27.24 4.42 L004000500077 27.5 3.95 .2 L004000500078 27.74 4.02 L004000500079 28. 3.53 L004000500080 28.24 3.4 L004000500081 28.5 3.51 L004000500082 28.76 3.32 L004000500083 29. 3.04 L004000500084 29.26 2.6 L004000500085 29.5 2.9 L004000500086 29.57 2.74 L004000500087 29.76 2.96 L004000500088 29.99 2.61 L004000500089 30.25 2.77 L004000500090 30.49 3. L004000500091 30.62 2.39 L004000500092 30.75 2.78 L004000500093 30.99 2.41 L004000500094 31.25 2.48 L004000500095 31.51 2.22 L004000500096 31.75 2.36 L004000500097 32.01 2.13 L004000500098 32.1 1.93 L004000500099 32.25 2.02 L004000500100 32.51 1.61 L004000500101 32.6 1.66 L004000500102 32.75 2.34 L004000500103 33.01 2.28 L004000500104 33.24 2.02 L004000500105 33.5 1.82 L004000500106 33.74 2.29 L004000500107 34. 1.98 L004000500108 34.24 1.96 L004000500109 34.41 1.97 L004000500110 34.5 2.36 L004000500111 34.65 2.86 L004000500112 34.76 2.25 L004000500113 34.91 2.87 L004000500114 35. 2.25 L004000500115 35.09 2.15 L004000500116 35.26 1.65 L004000500117 35.41 2.2 L004000500118 35.5 1.93 L004000500119 35.64 2.2 L004000500120 35.9 2.26 L004000500121 36. 2.23 L004000500122 36.11 2.58 L004000500123 36.26 2.18 L004000500124 36.4 2.49 L004000500125 36.49 1.98 L004000500126 36.64 2.11 L004000500127 36.75 1.67 L004000500128 36.9 1.8 L004000500129 36.99 1.66 L004000500130 ENDDATA 120 0 L004000500131 ENDSUBENT 130 0 L004000599999 ENDENTRY 5 0 L004099999999