ENTRY 20561 19760423 00002056100000001 SUBENT 20561001 19760423 00002056100100001 BIB 15 72 2056100100002 INSTITUTE (2UK NPL) 2056100100003 REFERENCE (J,JP/A,7,2318,74) 2056100100004 AUTHOR (T.B.RYVES,K.J.ZIEBA) 2056100100005 TITLE -THE RESONANCE INTEGRALS OF CU-63,CU-65,AG-107,TB-159, 2056100100006 DY-164 AND HO-165. 2056100100007 FACILITY (VDG ) VAN DE GRAAFF ACCELERATOR. 2056100100008 INC-SOURCE (D-BE ) WITH A 100 MICRO AMPERE MAGNETICALLY 2056100100009 ANALYSED BEAM OF 3 MEV DEUTERONS FROM THE VAN DE 2056100100010 GRAAFF ACCELERATOR STRIKING A THICK BERYLLIUM METAL 2056100100011 TARGET. 2056100100012 SAMPLE .TABLE 3 IN JP/A,7,2318 GIVES THE FOIL THICKNESS OF 2056100100013 DIFFERENT MATERIALS UNDER INVESTIGATION. 2056100100014 METHOD (ACTIV) A SIMPLE ACTIVATION TECHNIQUE EMPLOYING 2056100100015 CADMIUM RATIO MEASUREMENTS WAS USED,WHERE RESONANCE 2056100100016 INTEGRALS ARE MEASURED IN A SLOWING DOWN FLUX WHICH 2056100100017 IS CLOSELY PROPORTIONAL TO 1/E (E IS NEUTRON ENERGY) 2056100100018 RELATIVE TO TWO SELECTED STANDARD MATERIALS,MANGANESE 2056100100019 AND GOLD,WHOSE RESONANCE INTEGRALS ARE ACCURATE TO 2056100100020 ABOUT 4 PERCENT. 2056100100021 DETECTOR (FISCH) A FISSION CHAMBER AND A BORON-COATED 2056100100022 IONIZATION CHAMBER WERE USED FOR MONITORING THE 2056100100023 THERMALIZED NEUTRON FLUX DENSITY. 2056100100024 (PROPC) THE ACTIVATED FOILS WERE ASSAYED IN A 4 PI 2056100100025 BETA GAS FLOW PROPORTIONAL COUNTER. 2056100100026 MONITOR (79-AU-197(N,G)79-AU-198,,SIG) 2056100100027 (25-MN-55(N,G)25-MN-56,,SIG) 2056100100028 (79-AU-197(N,G)79-AU-198,,RI) 2056100100029 (25-MN-55(N,G)25-MN-56,,RI) 2056100100030 COMMENT .FOLLOWING INFORMATION GIVEN IN JP/A,7,2318 2056100100031 .THICKNESS AND COMPOSITION OF FOILS. 2056100100032 .PRODUCT HALF-LIFE. 2056100100033 .THE TRANSMISSION OF RESONANCE NEUTRONS THOUGH THE 2056100100034 CADMIUM COVERS. 2056100100035 .THE WESTCOTT FACTOR WHICH ACCOUNTS FOR THE DEVIATION 2056100100036 OF THE CROSS SECTION FROM A 1/V BEHAVIOR IN THE 2056100100037 THERMAL REGION. 2056100100038 .THE SMALL CORRECTION TERM OF WALKER ET AL.WHICH 2056100100039 ACCOUNTS FOR THAT PART OF A LOW-LYING RESONANCE WHICH 2056100100040 LIES BELOWS THE EFFECTIVE CADMIUM CUT-OFF ENERGY. 2056100100041 .TABLE 2 GIVES THE PERCENTAGES UNCERTAINTIES IN THE 2056100100042 2200 M/SEC NEUTRON CAPTURE CROSS SECTION FOR TB-159 2056100100043 AND HO-165. 2056100100044 .TABLE 3 GIVES THE RESONANCE SELF-SHIELDING FACTORS 2056100100045 FOR THE FOILS FOR DIFFERENT MATERIALS CONSIDERED. 2056100100046 .TABLE 4 GIVES THE RESONANCE INTEGRAL RESULTS. 2056100100047 .TABLE 5 GIVES THE PERCENTAGE UNCERTAINTIES IN THE 2056100100048 RESONANCE INTEGRALS. 2056100100049 .TABLE 6 GIVES THE COEFFICIENTS FOR COMPUTING THE 2056100100050 CHANGE IN THE REDUCED RESONANCE INTEGRAL DUE TO 2056100100051 CHANGE IN THE REDUCED RESONANCE INTEGRAL OF GOLD AND 2056100100052 MANGANESE. 2056100100053 .RESONANCE INTEGRAL VALUES GIVEN HERE ARE THE REDUCED 2056100100054 RESONANCE INTEGRAL VALUES. 2056100100055 STATUS .VALUES FROM (JP/A,07,2318,74 ) 2056100100056 HISTORY (751006C) 2056100100057 (760423E) 2056100100058 CORRECTION .CORRECTIONS FOR DEAD-TIME AND BACKGROUND. 2056100100059 ERR-ANALYS .THE SYSTEMATIC UNCERTAINTIES WERE ESTIMATED TO BE 2056100100060 NEGLIGIBLE COMPARED WITH THE RANDOM UNCERTAINTIES. 2056100100061 .THE ACTIVATED HO FOILS WERE CHECKED CARREFULLY FOR 2056100100062 ANY IMPURITIES BY GAMMA-RAY SPECTROSCOPY AND NO 2056100100063 CONTAMINATION WAS OBSERVED. 2056100100064 .THE RANDOM UNCERTAINTIES AT A 99 PERCENT CONFIDENCE 2056100100065 LEVEL WERE ESTIMATED FROM THE DISPERSION OF THE 2056100100066 MEASUREMENTS,AND INCLUDE THE STATISTICAL COUNTING 2056100100067 UNCERTAINTIES IN THE THREE CADMIUM RATIOS PER 2056100100068 MEASUREMENT,TOGETHER WITH UNCERTAINTIES IN THE 2056100100069 RELATIVE BETA EFFICIENCIES AND MASSES OF THE FOILS 2056100100070 PAIRS. 2056100100071 .THE GREATEST SYSTEMATIC UNCERTAINTY DUE TO THE 2056100100072 REFERENCE STANDARDS AU AND MN DEPENDS MOSTLY ON THE 2056100100073 MAGNITUDES OF THE CADMIUM RATIOS. 2056100100074 ENDBIB 72 0 2056100100075 NOCOMMON 0 0 2056100100076 ENDSUBENT 75 0 2056100199999 SUBENT 20561002 19760423 00002056100200001 BIB 2 3 2056100200002 REACTION (29-CU-63(N,G)29-CU-64,,SIG) 2056100200003 HISTORY (751006C) 2056100200004 (760423E) 2056100200005 ENDBIB 3 0 2056100200006 NOCOMMON 0 0 2056100200007 DATA 3 1 2056100200008 EN-DUMMY DATA DATA-ERR 2056100200009 EV B B 2056100200010 2.5300E-02 4.4000E+00 2.0000E-01 2056100200011 ENDDATA 3 0 2056100200012 ENDSUBENT 11 0 2056100299999 SUBENT 20561003 19760423 00002056100300001 BIB 2 3 2056100300002 REACTION (29-CU-63(N,G)29-CU-64,,RI) 2056100300003 HISTORY (751006C) 2056100300004 (760423E) 2056100300005 ENDBIB 3 0 2056100300006 NOCOMMON 0 0 2056100300007 DATA 3 1 2056100300008 EN-MIN DATA DATA-ERR 2056100300009 EV B B 2056100300010 1.0000E-01 2.7900E+00 1.8000E-01 2056100300011 ENDDATA 3 0 2056100300012 ENDSUBENT 11 0 2056100399999 SUBENT 20561004 19760423 00002056100400001 BIB 2 3 2056100400002 REACTION (29-CU-65(N,G)29-CU-66,,SIG) 2056100400003 HISTORY (751006C) 2056100400004 (760423E) 2056100400005 ENDBIB 3 0 2056100400006 NOCOMMON 0 0 2056100400007 DATA 3 1 2056100400008 EN DATA DATA-ERR 2056100400009 EV B B 2056100400010 2.5300E-02 2.1700E+00 3.0000E-02 2056100400011 ENDDATA 3 0 2056100400012 ENDSUBENT 11 0 2056100499999 SUBENT 20561005 19760423 00002056100500001 BIB 2 3 2056100500002 REACTION (29-CU-65(N,G)29-CU-66,,RI) 2056100500003 HISTORY (751006C) 2056100500004 (760423E) 2056100500005 ENDBIB 3 0 2056100500006 NOCOMMON 0 0 2056100500007 DATA 3 1 2056100500008 EN-MIN DATA DATA-ERR 2056100500009 EV B B 2056100500010 1.0000E-01 1.2200E+00 6.0000E-02 2056100500011 ENDDATA 3 0 2056100500012 ENDSUBENT 11 0 2056100599999 SUBENT 20561006 19760423 00002056100600001 BIB 2 3 2056100600002 REACTION (47-AG-107(N,G)47-AG-108,,SIG) 2056100600003 HISTORY (751006C) 2056100600004 (760423E) 2056100600005 ENDBIB 3 0 2056100600006 NOCOMMON 0 0 2056100600007 DATA 3 1 2056100600008 EN DATA DATA-ERR 2056100600009 EV B B 2056100600010 2.5300E-02 3.7600E+01 1.2000E+00 2056100600011 ENDDATA 3 0 2056100600012 ENDSUBENT 11 0 2056100699999 SUBENT 20561007 19760423 00002056100700001 BIB 2 3 2056100700002 REACTION (47-AG-107(N,G)47-AG-108,,RI) 2056100700003 HISTORY (751006C) 2056100700004 (760423E) 2056100700005 ENDBIB 3 0 2056100700006 NOCOMMON 0 0 2056100700007 DATA 3 1 2056100700008 EN-MIN DATA DATA-ERR 2056100700009 EV B B 2056100700010 1.0000E-01 7.9000E+01 4.0000E+00 2056100700011 ENDDATA 3 0 2056100700012 ENDSUBENT 11 0 2056100799999 SUBENT 20561008 19760423 00002056100800001 BIB 2 3 2056100800002 REACTION (65-TB-159(N,G)65-TB-160,,SIG) 2056100800003 HISTORY (751006C) 2056100800004 (760423E) 2056100800005 ENDBIB 3 0 2056100800006 NOCOMMON 0 0 2056100800007 DATA 3 1 2056100800008 EN DATA DATA-ERR 2056100800009 EV B B 2056100800010 2.5300E-02 2.3200E+01 5.0000E-01 2056100800011 ENDDATA 3 0 2056100800012 ENDSUBENT 11 0 2056100899999 SUBENT 20561009 19760423 00002056100900001 BIB 2 3 2056100900002 REACTION (65-TB-159(N,G)65-TB-160,,RI) 2056100900003 HISTORY (751006C) 2056100900004 (760423E) 2056100900005 ENDBIB 3 0 2056100900006 NOCOMMON 0 0 2056100900007 DATA 3 1 2056100900008 EN-MIN DATA DATA-ERR 2056100900009 EV B B 2056100900010 1.0000E-01 3.9000E+02 2.4000E+01 2056100900011 ENDDATA 3 0 2056100900012 ENDSUBENT 11 0 2056100999999 SUBENT 20561010 19760423 00002056101000001 BIB 2 3 2056101000002 REACTION (66-DY-164(N,G)66-DY-165,,SIG) 2056101000003 HISTORY (751006C) 2056101000004 (760423E) 2056101000005 ENDBIB 3 0 2056101000006 NOCOMMON 0 0 2056101000007 DATA 3 1 2056101000008 EN DATA DATA-ERR 2056101000009 EV B B 2056101000010 2.5300E-02 2.7000E+03 2.0000E+02 2056101000011 ENDDATA 3 0 2056101000012 ENDSUBENT 11 0 2056101099999 SUBENT 20561011 19760423 00002056101100001 BIB 2 3 2056101100002 REACTION (66-DY-164(N,G)66-DY-165,,RI) 2056101100003 HISTORY (751006C) 2056101100004 (760423E) 2056101100005 ENDBIB 3 0 2056101100006 NOCOMMON 0 0 2056101100007 DATA 3 1 2056101100008 EN-MIN DATA DATA-ERR 2056101100009 EV B B 2056101100010 1.0000E-01 5.1400E+02 1.1500E+02 2056101100011 ENDDATA 3 0 2056101100012 ENDSUBENT 11 0 2056101199999 SUBENT 20561012 19860822 00002056101200001 BIB 2 5 2056101200002 REACTION (67-HO-165(N,G)67-HO-166-G,,SIG) 2056101200003 HISTORY (751006C) 2056101200004 (760423E) 2056101200005 (860808A)HH GS SPECIFIED 2056101200006 (860822E) 2056101200007 ENDBIB 5 0 2056101200008 NOCOMMON 0 0 2056101200009 DATA 3 1 2056101200010 EN DATA DATA-ERR 2056101200011 EV B B 2056101200012 2.5300E-02 6.1200E+01 1.1000E+00 2056101200013 ENDDATA 3 0 2056101200014 ENDSUBENT 13 0 2056101299999 SUBENT 20561013 19760423 00002056101300001 BIB 2 3 2056101300002 REACTION (67-HO-165(N,G)67-HO-166,,RI) 2056101300003 HISTORY (751006C) 2056101300004 (760423E) 2056101300005 ENDBIB 3 0 2056101300006 NOCOMMON 0 0 2056101300007 DATA 3 1 2056101300008 EN-MIN DATA DATA-ERR 2056101300009 EV B B 2056101300010 1.0000E-01 6.1800E+02 3.3000E+01 2056101300011 ENDDATA 3 0 2056101300012 ENDSUBENT 11 0 2056101399999 ENDENTRY 13 0 2056199999999