ENTRY 21857 19840201 00002185700000001 SUBENT 21857001 19840201 00002185700100001 BIB 13 154 2185700100002 INSTITUTE (2ZZZGEL) 2185700100003 (1USAANL) D.L.S. 2185700100004 REFERENCE (C,82ANTWER,,409,8209) 2185700100005 (P,INDC(EUR)-15,39,8203) 2185700100006 D.L.SMITH AND H.LISKIEN, 2185700100007 -ERROR ANALYSIS FOR THE CALCULATED SPECTRUM-AVERAGE 2185700100008 CROSS SECTION RATIO OF CU-63(N,A)CO-60 TO 2185700100009 27-AL(N,A)NA-24 IN A THICK TARGET BE-9(D,N)B-10 2185700100010 SPECTRUM. 2185700100011 TO BE PUBLISHED IN EUROPEAN APPLIED RESEARCH REPORTS 2185700100012 (C,82ANTWER,,902,8209) A.CRAMETZ ET AL., N-SPECTRUM 2185700100013 AUTHOR (H.LISKIEN, D.L.SMITH, R.WIDERA) 2185700100014 TITLE -.THE SPECTRUM-AVERAGE CROSS SECTION RATIO OF 2185700100015 CU-63(N,ALPHA)CO-60 -TO- AL-27(N,ALPHA)NA-24 2185700100016 IN A THICK-TARGET BE-9(D,N)B-10 NEUTRON SPECTRUM.- 2185700100017 INC-SOURCE (D-BE ) 7 MEV DEUTERONS ON A THICK BE TARGET 2185700100018 INC-SPECT .NEUTRON-SPECTRUM. 2185700100019 IS GIVEN BY THE FOLLOWING TABLE WITH 2185700100020 3 DATA-COLUMNS, AND 2185700100021 103 DATA-LINES 2185700100022 EN D-FLUX D-FLUX-ERR 2185700100023 MEV ARB-UNITS PER-CENT 2185700100024 1.05 19.41 1.09 2185700100025 1.15 19.87 1.05 2185700100026 1.25 20.45 1.07 2185700100027 1.35 20.00 1.06 2185700100028 1.45 20.73 1.07 2185700100029 1.55 21.45 1.05 2185700100030 1.65 21.89 1.06 2185700100031 1.76 22.08 1.06 2185700100032 1.86 23.10 1.05 2185700100033 1.95 23.14 1.08 2185700100034 2.05 23.19 1.06 2185700100035 2.16 23.47 1.01 2185700100036 2.26 23.47 1.13 2185700100037 2.35 23.36 1.02 2185700100038 2.46 23.45 1.08 2185700100039 2.55 23.28 1.17 2185700100040 2.66 23.01 1.05 2185700100041 2.76 22.86 1.11 2185700100042 2.86 22.66 1.09 2185700100043 2.96 22.10 1.21 2185700100044 3.05 22.41 1.19 2185700100045 3.15 22.00 1.19 2185700100046 3.25 21.20 1.19 2185700100047 3.35 20.86 1.18 2185700100048 3.46 20.44 1.17 2185700100049 3.56 19.30 1.37 2185700100050 3.65 18.68 1.37 2185700100051 3.76 18.51 1.17 2185700100052 3.87 18.45 1.34 2185700100053 3.95 18.33 1.63 2185700100054 4.04 18.38 1.30 2185700100055 4.15 17.62 1.32 2185700100056 4.26 16.85 1.33 2185700100057 4.36 16.59 1.61 2185700100058 4.46 16.52 1.30 2185700100059 4.56 16.09 1.61 2185700100060 4.65 15.70 1.61 2185700100061 4.74 15.63 1.60 2185700100062 4.85 15.52 1.28 2185700100063 4.97 15.45 1.57 2185700100064 5.05 15.16 1.21 2185700100065 5.10 14.65 2.25 2185700100066 5.15 14.21 1.26 2185700100067 5.20 13.98 2.28 2185700100068 5.25 13.33 2.32 2185700100069 5.30 12.44 2.39 2185700100070 5.36 12.13 2.40 2185700100071 5.44 11.88 1.70 2185700100072 5.55 11.78 1.71 2185700100073 5.64 11.59 2.40 2185700100074 5.73 11.67 1.69 2185700100075 5.85 11.62 1.68 2185700100076 5.94 11.25 2.40 2185700100077 6.00 10.84 2.43 2185700100078 6.07 9.31 2.61 2185700100079 6.13 6.33 3.15 2185700100080 6.20 3.99 3.93 2185700100081 6.27 3.24 4.36 2185700100082 6.34 2.90 4.58 2185700100083 6.41 2.69 4.74 2185700100084 6.48 2.48 4.91 2185700100085 6.55 2.29 5.09 2185700100086 6.63 2.12 5.26 2185700100087 6.70 2.05 5.32 2185700100088 6.82 1.97 3.81 2185700100089 6.97 1.98 3.76 2185700100090 7.10 1.93 5.37 2185700100091 7.18 2.01 5.21 2185700100092 7.26 2.04 5.14 2185700100093 7.35 2.02 5.13 2185700100094 7.44 2.06 5.05 2185700100095 7.53 2.17 4.91 2185700100096 7.62 2.09 4.96 2185700100097 7.71 2.02 5.01 2185700100098 7.81 1.89 5.15 2185700100099 7.90 1.90 5.11 2185700100100 8.00 1.88 5.12 2185700100101 8.10 1.92 5.01 2185700100102 8.20 1.84 5.06 2185700100103 8.31 1.87 4.99 2185700100104 8.41 1.92 4.90 2185700100105 8.52 1.88 4.89 2185700100106 8.63 1.88 4.85 2185700100107 8.74 1.86 4.86 2185700100108 8.86 1.89 4.76 2185700100109 8.97 1.84 4.77 2185700100110 9.09 1.80 4.81 2185700100111 9.21 1.72 4.85 2185700100112 9.34 1.53 5.11 2185700100113 9.46 1.44 5.23 2185700100114 9.59 1.31 5.43 2185700100115 9.72 1.18 5.68 2185700100116 9.86 1.08 5.86 2185700100117 9.99 1.05 5.90 2185700100118 10.13 1.02 5.96 2185700100119 10.28 1.00 5.94 2185700100120 10.42 0.93 6.14 2185700100121 10.57 0.84 6.84 2185700100122 10.72 0.76 6.67 2185700100123 10.88 0.66 7.12 2185700100124 11.04 0.60 7.40 2185700100125 11.20 0.53 7.79 2185700100126 11.37 0.36 9.23 2185700100127 END OF TABLE 2185700100128 .UNDER THE COLUMN D-FLUX THE ABSOLUTE THICK-TARGET 2185700100129 YIELD PER CM**2,S,KEV AND PER 1.5 MICRO-AMP FOR A 2185700100130 TARGET DISTANCE OF 2.5 M UNDER ZERO DEGREE IS GIVEN. 2185700100131 .D-FLUX-ERR IS THE STATISTICAL ERROR 2185700100132 .THE QUOTED ENERGY IS THE CENTRE NEUTRON ENERGY OF 2185700100133 THE CHOSEN ENERGY INTERVAL 2185700100134 SAMPLE .CU-AL ALLOY, 95-5 WEIGHT PER CENT 2185700100135 METHOD .A CU-AL ALLOY SAMPLE OF 2 CM DIAMETER AND 0.5 CM 2185700100136 THICKNESS WAS MOUNTED IN THE ZERO-DEGREE DIRECTION 2185700100137 AT 8 CM DISTANCE FROM THE SOURCE AND WAS IRRADIATED 2185700100138 FOR ABOUT 8 HRS AT A TARGET CURRENT OF 10 MICR0-AMP. 2185700100139 .SEPARATE COUNTING OF THE NA-24 AND CO-60 ACTIVITY. 2185700100140 .NA-24 COUNTING STARTING 12 HRS AFTER THE END OF 2185700100141 IRRADIATING AND LASTING FOR 5 HALF LIVES 2185700100142 .CO-60 COUNTING STARTING ONE WEEK LATER WHEN THE 2185700100143 NA-24 ACTIVITY HAD NEARLY DISAPPEARED 2185700100144 DETECTOR (GELI) 2185700100145 STATUS .MAIN REFERENCE,TEXT 2185700100146 HISTORY (830428C) BN. 2185700100147 (830801E) 2185700100148 CORRECTION .FOR LOSSES IN THE FULL-ENERGY PEAKS DUE TO 2185700100149 COINCIDENT GAMMA-TRANSITIONS 2185700100150 ERR-ANALYS .THE QUOTED UNCERTAINTY CONTAINS THE FOLLOWING 2185700100151 CONTRIBUTIONS (IN PER CENT) 2185700100152 -COUNT RATES AT THE END OF IRRADIATION (1.4) 2185700100153 -DETECTOR EFFICIENCIES (0.5) 2185700100154 -NUMBERS OF IRRADIATED NUCLEI (0.8) 2185700100155 -TIME FACTORS (0.2) 2185700100156 ENDBIB 154 0 2185700100157 NOCOMMON 0 0 2185700100158 ENDSUBENT 157 0 2185700199999 SUBENT 21857002 19840201 00002185700200001 BIB 4 7 2185700200002 REACTION ((29-CU-63(N,A)27-CO-60,,SIG,,SPA)/ 2185700200003 (13-AL-27(N,A)11-NA-24,,SIG,,SPA)) 2185700200004 DECAY-DATA (11-NA-24-G,14.96HR,DG,1368.) 2185700200005 (27-CO-60-G,1925.D,DG,1333.) 2185700200006 STATUS .MAIN REFERENCE,TEXT 2185700200007 HISTORY (830426C) 2185700200008 (830801E) 2185700200009 ENDBIB 7 0 2185700200010 COMMON 1 3 2185700200011 EN-DUMMY 2185700200012 MEV 2185700200013 5.0000E+00 2185700200014 ENDCOMMON 3 0 2185700200015 DATA 2 1 2185700200016 RATIO RATIO-ERR 2185700200017 NO-DIM NO-DIM 2185700200018 5.3900E-01 9.0000E-03 2185700200019 ENDDATA 3 0 2185700200020 ENDSUBENT 19 0 2185700299999 ENDENTRY 2 0 2185799999999