ENTRY 21219 19860926 00002121900000001 SUBENT 21219001 19860926 00002121900100001 BIB 15 58 2121900100002 INSTITUTE (2AUSIRK) 2121900100003 REFERENCE (J,NSE,67,(2),260,7808) MAIN REFERENCE. 2121900100004 (P,NEANDC(OR)-151,7704) 2121900100005 AUTHOR (G.WINKLER) 2121900100006 TITLE -PRECISE MEASUREMENT OF THE CU-63(N,A)CO-60 CROSS 2121900100007 SECTION WITH 14 MEV NEUTRONS-. 2121900100008 FACILITY (CCW ) THE 200 KEV COCKCROFT-WALTON-TYPE ACCELE- 2121900100009 RATOR. 2121900100010 INC-SOURCE (D-T ) THE T(D,N)HE-4 REACTION. 2121900100011 SAMPLE .FIVE SMALL COPPER FOILS WITH THE DIMENSIONS OF 16.5 2121900100012 TIMES 8.0 MM AND A THICKNESS OF 0.3 MM AND A PURITY 2121900100013 OF 99.999 PERCENT. 2121900100014 .SIX SMALL ALUMINUM FOILS OF THE SAME SIZE AND A 2121900100015 THICKNESS OF 0.1 MM AND A PURITY OF 99.95 PERCENT 2121900100016 WERE ARRANGED AS A SANDWICH TOGETHER WITH THE COPPER 2121900100017 FOILS. 2121900100018 METHOD (ACTIV) ACTIVATION. 2121900100019 DETECTOR (NAICR) A 12.7 TIMES 12.7 CM NAI(TL) WELL-TYPE 2121900100020 DETECTOR, EFFICIENCY CALIBRATED TO AN ACCURACY OF 2121900100021 0.3 PERCENT FOR MONOENERGETIC GAMMA RADIATION AND 2121900100022 POINT SOURCES. 2121900100023 DECAY-DATA (11-NA-24-G,14.98HR,DG,1368.55,1.00,DG,2754.10,0.9985, 2121900100024 DG,3861.,0.0008) 2121900100025 MONITOR (13-AL-27(N,A)11-NA-24-G,,SIG) 2121900100026 STATUS .DATA TAKEN FROM MAIN REFERENCE. 2121900100027 HISTORY (791219C) CN. 2121900100028 (800115E) 2121900100029 CORRECTION .CORRECTIONS TO THE EFFICIENCIES OF THE DETECTOR HAVE 2121900100030 BEEN APPLIED FOR, 2121900100031 -THE EXTENSION OF THE SOURCE (ABOUT 1 PERCENT), 2121900100032 -FORWARD SCATTERING BY THE ALUMINUM LINING OF THE 2121900100033 WELL (ABOUT 2 PERCENT), 2121900100034 -BACKSCATTERING BY THE LEAD SHIELDING (ABOUT 1 PC). 2121900100035 ERR-ANALYS .THE SOURCE OF ERRORS AND THE RESULTING UNCERTAINTY 2121900100036 OF THE CROSS SECTION GIVEN IN TABLE 1 IN REFERENCE 2121900100037 ARE AS FOLLOWS, 2121900100038 STATISTICAL CONTRIBUTIONS, 2121900100039 -ACTIVITY MEASUREMENT OF THE COPPER SAMPLES (2.3 PC), 2121900100040 -ACTIVITY MEASUREMENT OF THE ALUMINUM SAMPLES 2121900100041 (0.2 PC), 2121900100042 SYSTEMATIC CONTRIBUTIONS, 2121900100043 -MONITOR CROSS SECTION (1.2 PC) 2121900100044 -EFFICIENCY OF WELL-TYPE DETECTOR FOR CO-60 (0.6 PC), 2121900100045 -EFFICIENCY OF WELL-TYPE DETECTOR FOR NA-24 (0.6 PC), 2121900100046 -HALF-LIFE FOR CO-60 (0.2 PC), 2121900100047 -HALF-LIFE FOR NA-24 (0.2 PC), 2121900100048 -DIFFERENCE IN ACTIVATION OF THE COPPER AND ALUMINUM 2121900100049 SAMPLES BY SELF-SCATTERING (0.2 PC), 2121900100050 -WEIGHING,TIMING,DEAD-TIME CORRECTION, AND DIFFERENCE 2121900100051 IN ACTIVATION OF THE COPPER AND ALUMINUM SAMPLES BY 2121900100052 LOWER ENERGY NEUTRON BACKGROUND, ALL TOGETHER 2121900100053 (0.1 PC), 2121900100054 -PURITY OF THE COPPER SAMPLES (-0.5 PC). 2121900100055 .FOR STATISTICAL CONTRIBUTIONS, THE ONE SIGMA ERROR 2121900100056 IS GIVEN, FOR SYSTEMATIC CONTRIBUTIONS THE MAXIMUM 2121900100057 DEVIATION IS STATED. 2121900100058 (-DATA-ERR) EFFECTIVE STANDARD DEVIATION WITH ESTI- 2121900100059 MATED INFLUENCE OF INTERFERING ACTIVITIES. 2121900100060 ENDBIB 58 0 2121900100061 COMMON 5 3 2121900100062 EN EN-RSL EN-ERR MONIT MONIT-ERR 2121900100063 MEV MEV MEV MB PER-CENT 2121900100064 1.4800E+01 3.0000E-01 2.0000E-02 1.1030E+02 1.2000E+00 2121900100065 ENDCOMMON 3 0 2121900100066 ENDSUBENT 65 0 2121900199999 SUBENT 21219002 19800115 00002121900200001 BIB 4 5 2121900200002 REACTION (29-CU-63(N,A)27-CO-60,,SIG) 2121900200003 DECAY-DATA (27-CO-60-G,5.26YR,DG,1173.23,0.9988,DG,1332.51,1.00) 2121900200004 STATUS .DATA TAKEN FROM TABLE 2 IN MAIN REFERENCE. 2121900200005 HISTORY (791219C) 2121900200006 (800115E) 2121900200007 ENDBIB 5 0 2121900200008 NOCOMMON 0 0 2121900200009 DATA 3 1 2121900200010 DATA +DATA-ERR -DATA-ERR 2121900200011 MB MB MB 2121900200012 4.0700E+01 1.0000E+00 1.2000E+00 2121900200013 ENDDATA 3 0 2121900200014 ENDSUBENT 13 0 2121900299999 ENDENTRY 2 0 2121999999999