ENTRY 12904 19850212 00001290400000001 SUBENT 12904001 19850212 00001290400100001 BIB 17 42 1290400100002 INSTITUTE (1USAANL) 1290400100003 REFERENCE (J,ANE,11,623,8412) 1290400100004 (R,ANL-NDM-86,8407) 1290400100005 AUTHOR (I.KANNO,J.W.MEADOWS,D.L.SMITH) 1290400100006 TITLE MEASURED ACTIVATION CROSS SECTIONS BELOW 10 MEV FOR THE1290400100007 51-V(N,P)51-TI AND 51-V(N,ALPHA)48-SC REACTIONS. 1290400100008 FACILITY ANL FAST NEUTRON GENERATOR FACILITY 1290400100009 INC-SPECT SEE ANL/NDM-4 FOR METHOD OF DERIVING NEUTRON RESOLUTION1290400100010 METHOD (ACTIV) 1290400100011 DETECTOR (GELI) 1290400100012 DECAY-DATA (21-SC-48,43.67HR,DG,984.,1.,DG,1037.,0.975, 1290400100013 DG,1312.,1.) 1290400100014 SAMPLE METALLIC SAMPLE 99.8+-0.2 PERCENT V BY WEIGHT. 1290400100015 ISOTOPIC ABUNDANCE OF 51-V ASSUMED TO BE 99.750 PERCENT1290400100016 ANALYSIS SEE ANL-NDM-9(74) AND ANL-7989(73) FOR DETAILS. 1290400100017 ERR-ANALYS THE ENERGY UNCERTAINTY IS ABOUT 20 PERCENT OF 1290400100018 RESOLUTION FOR THE NEUTRON ENERGY DISTRIBUTIONS, 1290400100019 31-47 KEV. 1290400100020 (ERR-T) TOTAL UNCERTAINTY 1290400100021 DETAILED ERROR CORRELATION MATRIX IS GIVEN 1290400100022 IN THE ANL REPORT 1290400100023 1(ERR-S) RANDOM UNCERTAINTY 1290400100024 SEVEN SOURCES OF RANDOM ERRORS 1290400100025 (ERR-1) SYSTEMATIC UNCERTAINTY 1290400100026 TWELVE SOURCES OF SYSTEMATIC ERRORS 1290400100027 CORRECTION CORRECTIONS WERE MADE FOR- 1290400100028 . DETECTOR EFFICIENCY 1290400100029 . BACKGROUND EFFECTS 1290400100030 . FISSION EVENTS OF LOW-ENERGY 1290400100031 . FISSION PRODUCED BY BACKGROUND NEUTRONS 1290400100032 . NEUTRON MULTIPLE SCATTERING 1290400100033 . GEOMETRY FACTORS 1290400100034 . NEUTRON SOURCE PROPERTIES 1290400100035 . NEUTRON ABSORPTION 1290400100036 . SECONDARY NEUTRONS FROM D(D,N) SOURCES 1290400100037 ADD-RES CALCULATED THE FOLLOWING FROM MEASURED DATA - 1290400100038 U-235 FISSION SPECTRUM AVG. CROSS SECTION = 0.02377 MB1290400100039 CF-252 FISSION SPECTRUM AVG. CROSS SECTION = .03887 MB1290400100040 COMMENT SEE DATA SET 12898 FOR 51-V(N,P). 1290400100041 STATUS (APRVD) D.L.SMITH, 84/11/11. 1290400100042 HISTORY (841018C) 1290400100043 (850212A) REFERENCE UPDATE. 1290400100044 ENDBIB 42 0 1290400100045 NOCOMMON 0 0 1290400100046 ENDSUBENT 45 0 1290400199999 SUBENT 12904002 19840831 00001290400200001 BIB 3 5 1290400200002 REACTION 1((23-V-51(N,A)21-SC-48,,SIG)/(92-U-238(N,F),,SIG)) 1290400200003 2(23-V-51(N,A)21-SC-48,,SIG) 1290400200004 INC-SOURCE (D-D) 1290400200005 MONITOR 2(92-U-238(N,F),,SIG) ENDF/B-V FISSION CROSS SECTION 1290400200006 USED TO OBTAIN THE ABSOLUTE CROSS SECTION. 1290400200007 ENDBIB 5 0 1290400200008 NOCOMMON 0 0 1290400200009 DATA 10 20 1290400200010 EN EN-RSL-FW DATA 1ERR-S 1ERR-1 1ERR-T 11290400200011 MONIT 2MONIT-ERR 2DATA 2ERR-T 2 1290400200012 MEV MEV NO-DIM PER-CENT PER-CENT PER-CENT 1290400200013 MB PER-CENT MB PER-CENT 1290400200014 5.515 0.191 2.705 -06 22.7 9.2 24.5 1290400200015 549.4 2.6 0.001486 24.6 1290400200016 5.802 0.176 4.923 -06 5.9 11.6 13.0 1290400200017 586.8 2.6 0.002889 13.3 1290400200018 6.073 0.166 1.203 -05 2.7 12.8 13.1 1290400200019 639.5 3.9 0.007693 13.7 1290400200020 6.338 0.161 2.711 -05 12.8 10.3 16.4 1290400200021 746.6 3.9 0.02024 16.9 1290400200022 6.338 0.158 2.826 -05 2.6 10.1 10.4 1290400200023 746.6 3.9 0.02110 11.1 1290400200024 6.598 0.153 4.646 -05 7.3 8.6 11.3 1290400200025 839.2 3.9 0.03899 11.9 1290400200026 6.598 0.154 5.230 -05 2.5 8.7 9.1 1290400200027 839.2 3.9 0.04389 9.9 1290400200028 6.856 0.161 9.074 -05 2.5 9.1 9.4 1290400200029 901.4 3.9 0.08179 10.2 1290400200030 7.110 0.170 1.677 -04 6.0 9.6 11.3 1290400200031 936.2 3.9 0.1570 12.0 1290400200032 7.110 0.169 1.690 -04 2.4 9.5 9.8 1290400200033 936.2 3.9 0.1582 10.5 1290400200034 7.363 0.173 2.809 -04 4.1 8.6 9.5 1290400200035 969.2 3.9 0.2722 10.3 1290400200036 7.583 0.175 4.597 -04 3.5 8.4 9.1 1290400200037 987.7 3.9 0.4540 9.9 1290400200038 7.862 0.184 7.849 -04 2.3 6.0 6.4 1290400200039 989.9 3.9 0.7770 7.5 1290400200040 8.108 0.193 1.041 -03 2.7 7.0 7.5 1290400200041 991.8 2.9 1.032 8.0 1290400200042 8.354 0.197 1.471 -03 2.6 6.4 6.9 1290400200043 993.6 2.9 1.462 7.5 1290400200044 8.598 0.206 2.031 -03 2.8 5.0 5.7 1290400200045 995.4 2.9 2.022 6.4 1290400200046 8.843 0.215 2.328 -03 2.7 5.7 6.3 1290400200047 997.2 2.9 2.321 6.9 1290400200048 9.085 0.216 3.046 -03 3.4 4.9 6.0 1290400200049 997.0 2.9 3.037 6.6 1290400200050 9.326 0.224 3.341 -03 3.5 4.6 5.8 1290400200051 993.1 2.9 3.318 6.5 1290400200052 9.567 0.233 4.004 -03 3.5 4.5 5.7 1290400200053 989.1 2.9 3.960 6.4 1290400200054 ENDDATA 44 0 1290400200055 ENDSUBENT 54 0 1290400299999 ENDENTRY 2 0 1290499999999