ENTRY 20772 19860926 00002077200000001 SUBENT 20772001 19860926 00002077200100001 BIB 13 89 2077200100002 INSTITUTE (2UK NPL) 2077200100003 REFERENCE (J,MET,14,(3),127,7806) 2077200100004 (W,RYVES,781027) REPRINT. 2077200100005 (J,JNE,27,139,7303) EXPERIMENTAL SET UP. 2077200100006 (J,NIM,135,455,7610) PROTON RECOIL TELESCOPE 2077200100007 DESCRIPTION. 2077200100008 AUTHOR (T.B.RYVES,P.KOLKOWSKY,K.J.ZIEBA) 2077200100009 TITLE -CROSS SECTION MEASUREMENTS OF FE-56(N,P)MN-56, 2077200100010 CU-63(N,2N)CU-62 AND CU-65(N,2N)CU-64 BETWEEN 14 2077200100011 AND 19 MEV.- 2077200100012 FACILITY (VDG ) 3MV VAN DE GRAAFF IN DC MODE, PRODUCING 2077200100013 DEUTERONS OF 1-3 MEV. MEAN BEAM CURRENT 2-3 2077200100014 MICRO-AMPERE. 2077200100015 .ACCELERATOR SAMES FOR PRODUCTION OF 130 KEV 2077200100016 DEUTERONS IN DC MODE. 2077200100017 INC-SOURCE (D-T ) TI-T TARGET ON COPPER BACKING. 2077200100018 SAMPLE .FOILS OF 2.54 CM DIAM. NATURAL IRON (99.99 PERC 2077200100019 PURITY, 75 MG/CM**2) AND SEPARATED CU ISOTOPES 2077200100020 (99.9 PERC PURITY, 20 MG/CM**2). 2077200100021 .USUALLY FE-CU SANDWICHES WERE USED. 2077200100022 .PLACED AT A DISTANCE OF 4 TO 12 CM FROM THE 2077200100023 N SOURCE AT 0 DEGR WITH RESPECT TO THE DEUTERON BEAM. 2077200100024 METHOD (ACTIV) EXPERIMENTAL SET UP DESCRIBED IN JNE,27, 2077200100025 139(1973). 2077200100026 (ASSOP) MEAN NEUTRON LOW ENERGY IN FAIRLY FRESH 2077200100027 TI-T TARGET WAS MEASURED BY LEWIS AND AXTON, 2077200100028 (PRIV.COMM) USING THE ASSOCIATED PARTICLE METHOD 2077200100029 AS 14.67+-0.09 MEV AT 0. DEGREES. 2077200100030 (COINC) 4 PI BETA-GAMMA COINCIDENCE ARRANGEMENT, 2077200100031 USING THE EQUIPMENT DESCRIBED BY CAMPION, 2077200100032 ARI,4(1959)232. 2077200100033 THE DESINTEGRATION RATE OF A FOIL IS GIVEN BY 2077200100034 NBETA*NGAMMA/NCOINC=N0*(1+K) WHERE 2077200100035 NBETA IS THE BETA COUNTING RATE 2077200100036 NGAMMA IS THE GAMMA COUNTING RATE 2077200100037 ALL CORRECTED FOR BACKGROUND, DEAD TIME AND 2077200100038 ACCIDENTAL COINCIDENCE. 2077200100039 K IS A SMALL CORRECTION FACTOR FOR THE GAMMA 2077200100040 EFFICIENCY OF THE BETA DETECTOR AND THE 2077200100041 COMPLEXITY OF THE DECAY SCHEME. 2077200100042 DETECTOR (TELES,SOLST,SOLST) BOTH SOLID STATE DETECTORS ARE 2077200100043 SI DETECTORS. THE TELESCOPE CONTAINS ALSO TWO 2077200100044 PROPORTIONAL COUNTERS FILLED WITH 95 PERCENT ARGON, 2077200100045 AND 5 PERCENT C-O(2) AT 600 TORR. A FOUR-FOLD 2077200100046 COINCIDENCE IS THUS REQUIRED. THIS DETECTOR WAS 2077200100047 USED TO MEASURE THE NEUTRON FLUX. IT WAS PLACED 2077200100048 25 CM FROM THE TARGET, DIRECTLY BEHIND THE FOILS. 2077200100049 IT DELIVERED A PROTON RECOIL SPECTRUM. 2077200100050 (LONGC) LONG COUNTER TO MONITOR THE NEUTRON FLUX AT 2077200100051 FORWARD ANGLES. IT WAS PLACED AT A DISTANCE OF 5 2077200100052 METERS. IT RESPONDED TO THE TOTAL NEUTRON OUTPUT, 2077200100053 INCLUDING SOM BUILD-UP OF LOW ENERGY NEUTRONS FROM 2077200100054 D-D REACTIONS. 2077200100055 (SCIN ) PLASTIC SCINTILLATOR TO MONITOR THE NEUTRON 2077200100056 FLUX, AT 2 METERS. IT PROVIDED A PROTON RECOIL 2077200100057 SPECTRUM, WHICH ENABLED TO EVALUATE THE D-D 2077200100058 BACKGROUND. 2077200100059 (COIN,PROPC,NAICR) 4 PI BETA-GAMMA COINCIDENCE COUNTER 2077200100060 FOR ABSOLUTE DETERMINATION OF THE FOIL ACTIVITIES. 2077200100061 THE PROPORTIONAL COUNTER WAS A GAS FLOW COUNTER, 2077200100062 FILLED WITH 90 PERCENT ARGON AND 10 PERCENT METHANE. 2077200100063 STATUS .DATA TAKEN FROM MAIN REFERENCE. 2077200100064 HISTORY (781102C) 2077200100065 (781213E) 2077200100066 (801205A) G.C., RECOMPILED. 2077200100067 (801218E) 2077200100068 CORRECTION .SCATTERING FROM SURROUNDINGS AND THE AIR IN THE 2077200100069 ROOM THAT CONTAINED THE TARGET AND FROM 2077200100070 NEUTRON TARGET ASSEMBLY WAS NEGLIGIBLE. 2077200100071 .D-D BUILD UP. 2077200100072 .NEUTRON FLUX ATTENUATION AND SCATTERING IN TELESCOPE 2077200100073 FRONT FACE DUE TO 2077200100074 NON ELASTIC SCATTERING AND CAPTURE EVENTS IN THE 2077200100075 RADIATOR OF THE TELESCOPE AND IN THE FOILS. 2077200100076 .P-REACTIONS IN THE SI-DETECTORS. 2077200100077 .GAMMA-RAYS IN 4 PI BETA COUNTING. 2077200100078 .EFFECT OF COMPLEX DECAY SCHEME IN 4 PI BETA COUNTING. 2077200100079 .VARIATION OF NEUTRON FLUX WITH TIME (USUALLY LT 1 PERC2077200100080 .NEUTRON ENERGY CHANGES IN THE SOURCE WITH AGE. 2077200100081 .UNOBSERVED ELECTRON CAPTURE IN DECAY SCHEME OF 2077200100082 CU-62 (2.2 PERCENT) 2077200100083 .FE-54(N,2N) CONTRIBUTION. 2077200100084 ERR-ANALYS (EN-RSL) SUM OF THE ENERGY SPREADS DUE TO DEUTERON 2077200100085 SLOWING DOWN IN THE TARGET AND TO THE TARGET-FOIL 2077200100086 GEOMETRY. 2077200100087 (EN-ERR) IN ADDITION THERE ARE ABSOLUTE UNCERTAINTIES 2077200100088 UNCERTAINTIES IN THE MEAN NEUTRON ENERGY OF +- 80 2077200100089 KEV AT 14.67 MEV, +- 200 KEV AT 15.30 MEV AND +- 2077200100090 100 KEV AT HIGHER ENERGIES. 2077200100091 ENDBIB 89 0 2077200100092 NOCOMMON 0 0 2077200100093 ENDSUBENT 92 0 2077200199999 SUBENT 20772002 19801218 00002077200200001 BIB 9 47 2077200200002 REACTION (26-FE-54(N,2N)26-FE-53-G,M+,SIG) 2077200200003 ANALYSIS .THE BETA DECAY CURVES OF THE ACTIVATED FOILS WERE 2077200200004 ANALYSED BY THE LEAST SQUARES METHOD TO FIND THE 2077200200005 COMPONENTS OF THE DAUGHTER ACTIVITIES. 2077200200006 8.5 MIN FE-53. 2077200200007 MONITOR (1-H-1(N,EL)1-H-1,,SIG) TAKEN FROM J.L.GAMMEL, 2077200200008 FAST NEUTRON PHYSICS,II,6,P.2185, INTERSCIENCE, 2077200200009 NEW YORK. 2077200200010 PART-DET (B+ ) 2077200200011 (DG ) 2077200200012 MISC-COL (MISC ) NUMBER OF MEASUREMENTS FOR THIS DATA POINT. 2077200200013 COMMENT .THE ARTICLE STATES A TOTAL SYSTEMATIC UNCERTAINTY 2077200200014 OF 4.-5. PERCENT. IN THIS FIGURE THE MONITOR ERROR 2077200200015 WAS INCLUDED. THE VALUES OF ERR-2 HAVE BEEN 2077200200016 CALCULATED BY THE COMPILER ADOPTING A VALUE OF 2077200200017 5. PERCENT, AND SUBSTRACTING ERR-1 AND MONIT-ERR. 2077200200018 .THE VALUE OF EN-NRM HAS BEEN CALCULATED BY THE 2077200200019 COMPILER FROM THE MONITOR VALUE, BY LINEAR 2077200200020 INTERPOLATION IN THE TABLE OF FAST NEUTRON PHYSICS, 2077200200021 II,6,P.2220(TABLE XI). 2077200200022 STATUS (PRELM) NEW MEASUREMENTS ARE IN PROGRESS. 2077200200023 THE AUTHOR STATES THAT THESE DATA ARE ROUGH. 2077200200024 HISTORY (781102C) 2077200200025 (781213E) 2077200200026 (801205A) G.C., RECOMPILED. 2077200200027 (801218E) 2077200200028 ERR-ANALYS (ERR-S) RANDOM UNCERTAINTY AT THE 68 PERCENT 2077200200029 CONFIDENCE LEVEL FROM N MEASUREMENTS. 2077200200030 (ERR-1) SYSTEMATIC UNCERTAINTIES IN THE NEUTRON FLUX. 2077200200031 THEY ARE BUILD UP AS FOLLOWS 2077200200032 ------------------------------------------------ 2077200200033 ERROR SOURCE ERROR 2077200200034 ------------------------------------------------ 2077200200035 GEOMETRY OF THE TELESCOPE 0.5 PERC 2077200200036 N-SCATTERING AND ATTENUATION 0.3 PERC 2077200200037 BACKGROUND 0.2 PERC 2077200200038 P-REACTIONS IN THE SI-DETECTOR 0.2 PERC 2077200200039 P SLIT PENETRATION 0.2 PERC 2077200200040 RADIATOR COMPOSITION 0.1 PERC 2077200200041 P-SCATTERING IN THE TELESCOPE 0.2 PERC 2077200200042 ------------------------------------------------ 2077200200043 TOTAL 0.8 PERC 2077200200044 ------------------------------------------------ 2077200200045 (ERR-2) OTHER SYSTEMATIC UNCERTAINTIES, NO 2077200200046 FURTHER ANALYSIS GIVEN BY AUTHORS. 2077200200047 (MONIT-ERR) UNCERTAINTY IN THE MONITOR VALUE, 2077200200048 STATED AS 1.5 PERCENT BY AUTHOR. 2077200200049 ENDBIB 47 0 2077200200050 COMMON 5 3 2077200200051 EN-NRM ERR-1 ERR-2 MONIT MONIT-ERR 2077200200052 MEV PER-CENT PER-CENT B PER-CENT 2077200200053 1.4775E+01 8.0000E-01 4.7000E+00 6.5800E-01 1.5000E+00 2077200200054 ENDCOMMON 3 0 2077200200055 DATA 6 6 2077200200056 EN EN-RSL EN-ERR MISC DATA ERR-S 2077200200057 MEV MEV KEV NO-DIM MB MB 2077200200058 1.5300E+01 3.0000E-01 2.0000E+02 1.5000E+01 2.4000E+01 2.0000E+002077200200059 1.6550E+01 2.4000E-01 1.0000E+02 1.0000E+01 5.8000E+01 1.2000E+012077200200060 1.7000E+01 2.2000E-01 1.0000E+02 1.1000E+01 4.9000E+01 6.0000E+002077200200061 1.7370E+01 2.2000E-01 1.0000E+02 1.2000E+01 6.5000E+01 5.0000E+002077200200062 1.7860E+01 2.1000E-01 1.0000E+02 9.0000E+00 8.6000E+01 8.0000E+002077200200063 1.8950E+01 2.1000E-01 1.0000E+02 8.0000E+00 8.5000E+01 4.0000E+002077200200064 ENDDATA 8 0 2077200200065 ENDSUBENT 64 0 2077200299999 SUBENT 20772003 19840207 00002077200300001 BIB 8 59 2077200300002 REACTION (26-FE-56(N,P)25-MN-56,,SIG) 2077200300003 MONITOR (1-H-1(N,EL)1-H-1,,SIG) TAKEN FROM J.L.GAMMEL, 2077200300004 FAST NEUTRON PHYSICS,II,6,P.2185, INTERSCIENCE, 2077200300005 NEW YORK. 2077200300006 PART-DET (B- ) 2077200300007 (DG ) 2077200300008 MISC-COL (MISC ) NUMBER OF MEASUREMENTS FOR THIS DATA POINT. 2077200300009 COMMENT .ERR-1 HAS BEEN CALCULATED BY THE COMPILER FROM 2077200300010 THE ERROR ON THE FLUX DETERMINATION GIVEN IN 2077200300011 THE ARTICLE OF 1.7 PERCENT, WHICH INCLUDED THE 2077200300012 MONIT-ERR. 2077200300013 .ERR-2 HAS BEEN CALCULATED BY THE COMPILER FROM 2077200300014 FROM THE TOTAL SYSTEMATIC ERROR, ERR-1 AND 2077200300015 MONIT-ERR. 2077200300016 .EN-NRM HAS BEEN CALCULATED BY THE COMPILER BY 2077200300017 LINEAR INTERPOLATION IN TABLE XI, P.2220 OF 2077200300018 FAST NEUTRON PHYSICS,II,6, FROM THE MONITOR 2077200300019 VALUE. 2077200300020 .NO FINE STRUCTURE HAS BEEN OBSERVED OVER THE RANGE 2077200300021 FROM 17.5 TO 17.9 MEV. 2077200300022 STATUS .DATA TAKEN FROM MAIN REFERENCE. 2077200300023 HISTORY (781102C) 2077200300024 (781213E) 2077200300025 (801205A) G.C., RECOMPILED. 2077200300026 (801218E) 2077200300027 ERR-ANALYS (ERR-S) STATISTICAL ERROR FOR THE MEAN OF N 2077200300028 MEASUREMENTS. 2077200300029 (ERR-1) SYSTEMATIC UNCERTAINTIES IN THE NEUTRON FLUX. 2077200300030 THEY ARE BUILD UP AS FOLLOWS 2077200300031 ------------------------------------------------ 2077200300032 ERROR SOURCE ERROR 2077200300033 ------------------------------------------------ 2077200300034 GEOMETRY OF THE TELESCOPE 0.5 PERC 2077200300035 N-SCATTERING AND ATTENUATION 0.3 PERC 2077200300036 BACKGROUND 0.2 PERC 2077200300037 P-REACTIONS IN THE SI-DETECTOR 0.2 PERC 2077200300038 P SLIT PENETRATION 0.2 PERC 2077200300039 RADIATOR COMPOSITION 0.1 PERC 2077200300040 P-SCATTERING IN THE TELESCOPE 0.2 PERC 2077200300041 ------------------------------------------------ 2077200300042 TOTAL 0.8 PERC 2077200300043 ------------------------------------------------ 2077200300044 (ERR-2) QUADRATIC SUM OF THE OTHER SYSTEMATIC 2077200300045 UNCERTAINTIES. THE CONTRIBUTIONS WERE AS 2077200300046 FOLLOWS 2077200300047 ------------------------------------------------ 2077200300048 ERROR SOURCE ERROR 2077200300049 ------------------------------------------------ 2077200300050 BETA COUNTING EFFICIENCY 0.5 PERC 2077200300051 HALF-LIFE LT0.1 PERC 2077200300052 DISTANCE 0.3 PERC 2077200300053 SCATTERING, SHIELDING 0.1 PERC 2077200300054 GAMMA EFFICIENCY CORRECTION 0.5 PERC 2077200300055 DECAY SCHEME LT0.1 PERC 2077200300056 ------------------------------------------------ 2077200300057 TOTAL 0.8 PERC 2077200300058 ------------------------------------------------ 2077200300059 (MONIT-ERR) NORMALIZATION ERROR STATED BY AUTHORS 2077200300060 AS 1.5 PERCENT. 2077200300061 ENDBIB 59 0 2077200300062 COMMON 5 3 2077200300063 EN-NRM MONIT MONIT-ERR ERR-1 ERR-2 2077200300064 MEV B PER-CENT PER-CENT PER-CENT 2077200300065 1.4775E+01 6.5800E-01 1.5000E+00 8.0000E-01 8.0000E-01 2077200300066 ENDCOMMON 3 0 2077200300067 DATA 6 6 2077200300068 EN EN-RSL EN-ERR MISC DATA ERR-S 2077200300069 MEV MEV KEV NO-DIM MB PER-CENT 2077200300070 1.4670E+01 1.0000E-01 8.0000E+01 5.0000E+00 1.0810E+02 4.0000E-012077200300071 1.5300E+01 2.5000E-01 2.0000E+02 8.0000E+00 1.0000E+02 2.0000E-012077200300072 1.6550E+01 2.0000E-01 1.0000E+02 4.0000E+00 8.0100E+01 5.0000E-012077200300073 1.7000E+01 1.4000E-01 1.0000E+02 1.1000E+01 7.2100E+01 6.0000E-012077200300074 1.7860E+01 1.1000E-01 1.0000E+02 9.0000E+00 6.3100E+01 6.0000E-012077200300075 1.8950E+01 9.0000E-02 1.0000E+02 4.0000E+00 5.3200E+01 9.0000E-012077200300076 ENDDATA 8 0 2077200300077 ENDSUBENT 76 0 2077200399999 SUBENT 20772004 19840207 00002077200400001 BIB 11 67 2077200400002 REACTION (29-CU-63(N,2N)29-CU-62,,SIG) 2077200400003 METHOD .THE 50 KEV CONVERSION ELECTRONS FROM CO-60-M 2077200400004 FORMED IN THE COMPETING REACTION CU-63(N,A) 2077200400005 CO-60-M, WHICH HAVE A VERY SIMILAR HALF LIFE 2077200400006 TO CU-62, WERE ELIMINATED BY COVERING THE 2077200400007 COPPER FOILS WITH 6.4 MG/CM**2 AL ABSORBERS. 2077200400008 MONITOR (1-H-1(N,EL)1-H-1,,SIG) TAKEN FROM J.L.GAMMEL, 2077200400009 FAST NEUTRON PHYSICS,II,6,P.2185. 2077200400010 PART-DET (B+ ) 2077200400011 (AR ) 2077200400012 HALF-LIFE (HL,29-CU-62) MEASURED IN THIS WORK AS 9.73 +- 2077200400013 0.6 MIN., WHERE THE UNCERTAINTY IS A RANDOM ONE 2077200400014 AT 99. PERCENT CONFIDENCE LEVEL, BASED ON 8 2077200400015 DETERMINATIONS. 2077200400016 MISC-COL (MISC ) NUMBER OF MEASUREMENTS FOR THIS DATA POINT. 2077200400017 COMMENT .ERR-1 HAS BEEN CALCULATED BY THE COMPILER FROM 2077200400018 THE TOTAL SYSTEMATIC ERROR ON THE NEUTRON FLUX 2077200400019 DETERMINATION OF 1.7 PERCENT, WHICH INCLUDED THE 2077200400020 MONIT-ERR OF 1.5 PERCENT. 2077200400021 .ERR-2 HAS BEEN CALCULATED BY THE COMPILER FROM 2077200400022 THE TOTAL SYSTEMATIC ERROR QUOTED BY THE AUTHORS 2077200400023 AND ERR-1 AND MONIT-ERR. 2077200400024 .EN-NRM HAS BEEN CALCULATED BY THE COMPILER 2077200400025 BY LINEAR INTERPOLATION IN TABLE XI, P.2220, 2077200400026 IN FAST NEUTRON PHYSICS,II,6, FROM THE VALUE 2077200400027 OF THE MONITOR. 2077200400028 STATUS .DATA TAKEN FROM MAIN REFERENCE. 2077200400029 HISTORY (781102C) 2077200400030 (781213E) 2077200400031 (801205A) G.C., RECOMPILED. 2077200400032 (801218E) 2077200400033 CORRECTION .A SMALL CORRECTION OF 2.2 PERCENT WAS MADE FOR 2077200400034 THE UNOBSERVED ELECTRON CAPTURE IN THE DECAY 2077200400035 SCHEME OF CU-62. 2077200400036 ERR-ANALYS (ERR-S) STATISTICAL ERROR ON THE MEAN OF N 2077200400037 MEASUREMENTS. 2077200400038 (ERR-1) SYSTEMATIC UNCERTAINTIES IN THE NEUTRON FLUX. 2077200400039 THEY ARE BUILD UP AS FOLLOWS 2077200400040 ------------------------------------------------ 2077200400041 ERROR SOURCE ERROR 2077200400042 ------------------------------------------------ 2077200400043 GEOMETRY OF THE TELESCOPE 0.5 PERC 2077200400044 N-SCATTERING AND ATTENUATION 0.3 PERC 2077200400045 BACKGROUND 0.2 PERC 2077200400046 P-REACTIONS IN THE SI-DETECTOR 0.2 PERC 2077200400047 P SLIT PENETRATION 0.2 PERC 2077200400048 RADIATOR COMPOSITION 0.1 PERC 2077200400049 P-SCATTERING IN THE TELESCOPE 0.2 PERC 2077200400050 ------------------------------------------------ 2077200400051 TOTAL 0.8 PERC 2077200400052 ------------------------------------------------ 2077200400053 (ERR-2) QUADRATIC SUM OF ALL OTHER SYSTEMATIC 2077200400054 UNCERTAINTIES, WHICH ARE BUILD UP AS FOLLOWS 2077200400055 ------------------------------------------------ 2077200400056 ERROR SOURCE ERROR 2077200400057 ------------------------------------------------ 2077200400058 BETA COUNTING EFFICIENCY 0.2 PERC 2077200400059 HALF-LIFE 0.7 PERC 2077200400060 DISTANCE - 2077200400061 SCATTERING, SHIELDING 0.1 PERC 2077200400062 GAMMA EFFICIENCY CORRECTION - 2077200400063 DECAY SCHEME 0.2 PERC 2077200400064 ------------------------------------------------ 2077200400065 TOTAL 0.77PERC 2077200400066 ------------------------------------------------ 2077200400067 + OTHER NON SPECIFIED UNCERTAINTIES. 2077200400068 (MONIT-ERR) STATED BY AUTHORS AS 1.5 PERCENT. 2077200400069 ENDBIB 67 0 2077200400070 COMMON 6 3 2077200400071 EN-NRM MONIT MONIT-ERR ERR-1 HL HL-ERR 2077200400072 MEV B PER-CENT PER-CENT MIN MIN 2077200400073 1.4775E+01 6.8500E-01 1.5000E+00 8.0000E-01 9.7000E+00 6.0000E-022077200400074 ENDCOMMON 3 0 2077200400075 DATA 7 6 2077200400076 EN EN-RSL EN-ERR MISC DATA ERR-S 2077200400077 ERR-2 2077200400078 MEV MEV KEV NO-DIM MB PER-CENT 2077200400079 PER-CENT 2077200400080 1.4670E+01 1.0000E-01 8.0000E+01 1.1000E+01 5.3700E+02 2.0000E-012077200400081 1.9600E+00 2077200400082 1.5300E+01 3.0000E-01 2.0000E+02 1.5000E+01 6.0200E+02 3.0000E-012077200400083 1.3900E+00 2077200400084 1.6550E+01 2.4000E-01 1.0000E+02 4.0000E+00 7.0400E+02 5.0000E-012077200400085 2.5100E+00 2077200400086 1.7000E+01 2.2000E-01 1.0000E+02 1.1000E+01 7.1800E+02 5.0000E-012077200400087 2.1200E+00 2077200400088 1.7860E+01 2.1000E-01 1.0000E+02 8.0000E+00 7.4800E+02 5.0000E-012077200400089 2.2200E+00 2077200400090 1.8950E+01 2.1000E-01 1.0000E+02 7.0000E+00 7.8400E+02 6.0000E-012077200400091 4.5900E+00 2077200400092 ENDDATA 16 0 2077200400093 ENDSUBENT 92 0 2077200499999 SUBENT 20772005 19840207 00002077200500001 BIB 8 36 2077200500002 REACTION ((29-CU-63(N,2N)29-CU-62,,SIG)/ 2077200500003 (26-FE-56(N,P)25-MN-56,,SIG)) 2077200500004 METHOD .AT ABOUT 16 MEV, TWO SETS OF SANDWICH FOILS 2077200500005 WERE IRRADIATED AT ANGLES OF +- 51 DEGREES TO 2077200500006 THE COLLIMATED DEUTERON BEAM, AND THE AVERAGE 2077200500007 RATIO WAS TAKEN. THIS PROCEDURE CORRECTED FOR 2077200500008 PART-DET (B+ ) 2077200500009 (AR ) 2077200500010 (B- ) 2077200500011 (DG ) 2077200500012 COMMENT .THE RATIOS ARE INDEPENDENT OF THE NEUTRON FLUX. 2077200500013 STATUS .DATA TAKEN FROM MAIN REFERENCE. 2077200500014 HISTORY (781102C) 2077200500015 (781213E) 2077200500016 (801208A) G.C., RECOMPILED. 2077200500017 (801218E) 2077200500018 CORRECTION .SMALL LATERAL SHIFTS IN THE POSITION OF THE 2077200500019 BEAM SPOT ON THE TARGET. 2077200500020 ERR-ANALYS (ERR-S) STATISTICAL ERROR, AT 1 SIGMA. 2077200500021 (ERR-1) IN ADDITION THE SYSTEMATIC ERROR IN 2077200500022 THE RATIO IS 1.1 PERC. 2077200500023 IT IS BUILD UP AS FOLLOWS 2077200500024 ------------------------------------------------- 2077200500025 ERROR SOURCE FE-56(N,P) CU-63(N,P) 2077200500026 ------------------------------------------------- 2077200500027 BETA COUNTING EFFIC. 0.5 PERC 0.2 PERC 2077200500028 HALF LIFE LT 0.1 PERC 0.7 PERC 2077200500029 DISTANCE 0.3 PERC - 2077200500030 SCATTERING, SHIELDING 0.1 PERC 0.1 PERC 2077200500031 GAMMA EFFICIENCY CORR. 0.5 PERC - 2077200500032 DECAY SCHEME LT 0.1 PERC 0.2 PERC 2077200500033 ------------------------------------------------- 2077200500034 TOTAL 0.8 PERC 0.77 PERC 2077200500035 ------------------------------------------------- 2077200500036 1.1 PERC 2077200500037 ------------ 2077200500038 ENDBIB 36 0 2077200500039 COMMON 1 3 2077200500040 ERR-1 2077200500041 PER-CENT 2077200500042 1.1000E+00 2077200500043 ENDCOMMON 3 0 2077200500044 DATA 5 10 2077200500045 EN EN-RSL EN-ERR DATA ERR-S 2077200500046 MEV MEV KEV NO-DIM NO-DIM 2077200500047 1.4670E+01 1.0000E-01 8.0000E+01 4.9400E+00 1.3000E-02 2077200500048 1.5300E+01 3.0000E-01 2.0000E+02 6.0200E+00 2.0000E-02 2077200500049 1.5520E+01 2.4000E-01 1.0000E+02 6.5900E+00 3.6700E-01 2077200500050 1.5900E+01 2.4000E-01 1.0000E+02 7.3600E+00 5.0000E-02 2077200500051 1.6350E+01 2.4000E-01 1.0000E+02 8.2800E+00 7.6700E-01 2077200500052 1.6460E+01 2.4000E-01 1.0000E+02 8.4000E+00 1.7300E-01 2077200500053 1.6550E+01 2.4000E-01 1.0000E+02 8.7900E+00 7.3000E-02 2077200500054 1.7000E+01 2.2000E-01 1.0000E+02 9.9600E+00 5.0000E-02 2077200500055 1.7860E+01 2.1000E-01 1.0000E+02 1.1860E+01 7.3000E-02 2077200500056 1.8950E+01 2.1000E-01 1.0000E+02 1.4740E+01 1.0300E-01 2077200500057 ENDDATA 12 0 2077200500058 ENDSUBENT 57 0 2077200599999 SUBENT 20772006 19840207 00002077200600001 BIB 8 61 2077200600002 REACTION (29-CU-65(N,2N)29-CU-64,,SIG) 2077200600003 MONITOR (1-H-1(N,EL)1-H-1,,SIG) TAKEN FROM J.L.GAMMEL, 2077200600004 FAST NEUTRON PHYSICS,II,6,P.2185. 2077200600005 .(29-CU-63(N,G)29-CU-64,,SIG) THE 2200 M/SEC VALUE 2077200600006 WAS USED TO DETERMINE THE EFFICIENCY OF THE 2077200600007 BETA COUNTER SINCE THE CU-64 DECAY SCHEME IS VERY 2077200600008 COMPLEX. THE VALUE WAS TAKEN FROM DILG ET AL., 2077200600009 ZEITSCHRIFT FUER PHYSIK,266,(2),157,(1974). 2077200600010 THE VALUE USED IS 4.49 +- 0.04 B. 2077200600011 PART-DET (AR ) 2077200600012 (B+ ) 2077200600013 MISC-COL (MISC ) NUMBER OF DATA POINTS FOR THIS POINT. 2077200600014 COMMENT .ERR-1 HAS BEEN CALCULATED BY THE COMPILER FROM 2077200600015 THE TOTAL SYSTEMATIC ERROR ON THE NEUTRON FLUX 2077200600016 DETERMINATION OF 1.7 PERCENT, WHICH INCLUDED THE 2077200600017 MONIT-ERR OF 1.5 PERC. 2077200600018 .ERR-2 HAS BEEN CALCULATED BY THE COMPILER FROM 2077200600019 THE TOTAL SYSTEMATIC ERROR QUOTED BY THE AUTHORS 2077200600020 AND ERR-1 AND MONIT-ERR. 2077200600021 .EN-NRM HAS BEEN CALCULATED BY THE COMPILER BY 2077200600022 LINEAR INTERPOLATION IN TABLE XI, P.2220, IN 2077200600023 FAST NEUTRON PHYSICS, II,6, FROM THE VALUE OF 2077200600024 THE MONITOR. 2077200600025 STATUS .DATA TAKEN FROM MAIN REFERENCE. 2077200600026 HISTORY (781102C) 2077200600027 (781213E) 2077200600028 (801208A) G.C., RECOMPILED 2077200600029 (801218E) 2077200600030 ERR-ANALYS (ERR-S) STATISTICAL ERROR ON THE MEAN OF N 2077200600031 MEASUREMENTS. 2077200600032 (ERR-1) SYSTEMATIC UNCERTAINTIES IN THE NEUTRON FLUX. 2077200600033 THEY ARE BUILD UP AS FOLLOWS 2077200600034 ------------------------------------------------ 2077200600035 ERROR SOURCE ERROR 2077200600036 ------------------------------------------------ 2077200600037 GEOMETRY OF THE TELESCOPE 0.5 PERC 2077200600038 N-SCATTERING AND ATTENUATION 0.3 PERC 2077200600039 BACKGROUND 0.2 PERC 2077200600040 P-REACTIONS IN THE SI-DETECTOR 0.2 PERC 2077200600041 P SLIT PENETRATION 0.2 PERC 2077200600042 RADIATOR COMPOSITION 0.1 PERC 2077200600043 P-SCATTERING IN THE TELESCOPE 0.2 PERC 2077200600044 ------------------------------------------------ 2077200600045 TOTAL 0.8 PERC 2077200600046 ------------------------------------------------ 2077200600047 (ERR-2) QUADRATIC SUM OF ALL OTHER SYSTEMATIC 2077200600048 UNCERTAINTIES, WHICH WERE BUILD UP AS FOLLOWS 2077200600049 ------------------------------------------------ 2077200600050 ERROR SOURCE ERROR 2077200600051 ------------------------------------------------ 2077200600052 BETA COUNTING EFFICIENCY 1.5 PERC 2077200600053 HALF-LIFE LT0.1 PERC 2077200600054 DISTANCE - 2077200600055 SCATTERING, SHIELDING 0.1 PERC 2077200600056 GAMMA EFFICIENCY CORRECTION - 2077200600057 DECAY SCHEME - 2077200600058 ------------------------------------------------ 2077200600059 TOTAL 1.5 PERC 2077200600060 ------------------------------------------------ 2077200600061 + OTHER SYSTEMATIC UNCERTAINTIES. 2077200600062 (MONIT-ERR) STATED BY THE AUTHORS AS 1.5 PERCENT. 2077200600063 ENDBIB 61 0 2077200600064 COMMON 4 3 2077200600065 EN-NRM MONIT MONIT-ERR ERR-1 2077200600066 MEV B PER-CENT PER-CENT 2077200600067 1.4775E+01 6.5800E-01 1.5000E+00 8.0000E-01 2077200600068 ENDCOMMON 3 0 2077200600069 DATA 7 6 2077200600070 EN EN-RSL EN-ERR MISC DATA ERR-S 2077200600071 ERR-2 2077200600072 MEV MEV KEV NO-DIM MB PER-CENT 2077200600073 PER-CENT 2077200600074 1.4670E+01 1.0000E-01 8.0000E+01 1.1000E+01 9.5500E+02 1.0000E-012077200600075 2.6900E+00 2077200600076 1.5300E+01 3.0000E-01 2.0000E+02 4.0000E+00 9.9300E+02 1.0000E-012077200600077 2.3400E+00 2077200600078 1.6550E+01 2.4000E-01 1.0000E+02 7.0000E+00 1.0690E+03 2.0000E-012077200600079 3.1700E+00 2077200600080 1.7000E+01 2.2000E-01 1.0000E+02 8.0000E+00 1.0620E+03 2.0000E-012077200600081 2.9400E+00 2077200600082 1.7860E+01 2.1000E-01 1.0000E+02 6.0000E+00 1.0830E+03 3.0000E-012077200600083 2.9400E+00 2077200600084 1.8950E+01 2.1000E-01 1.0000E+02 1.0000E+00 1.0230E+03 2.0000E-012077200600085 5.0500E+00 2077200600086 ENDDATA 16 0 2077200600087 ENDSUBENT 86 0 2077200699999 SUBENT 20772007 19840207 00002077200700001 BIB 9 40 2077200700002 REACTION ((29-CU-65(N,2N)29-CU-64,,SIG)/ 2077200700003 (26-FE-56(N,P)25-MN-56,,SIG)) 2077200700004 METHOD .AT ABOUT 16 MEV, TWO SETS OF SANDWICH FOILS WERE 2077200700005 IRRADIATED AT ANGLES OF +- 51 DEGREES TO THE 2077200700006 COLLIMATED DEUTERON BEAM, AND THE AVERAGE RATIO WAS 2077200700007 TAKEN. 2077200700008 MONITOR (29-CU-63(N,G)29-CU-64,,SIG) 2200 M/SEC VALUE WAS 2077200700009 USED TO DETERMINE THE BETA COUNTER EFFICIENCY, DUE 2077200700010 TO THE COMPLEXITY OF THE DECAY SCHEME. 2077200700011 PART-DET (B- ) 2077200700012 (DG ) 2077200700013 (AR ) 2077200700014 (B+ ) 2077200700015 COMMENT .THE RATIOS ARE INDEPENDENT ON THE NEUTRON FLUX. 2077200700016 STATUS .DATA TAKEN FROM MAIN REFERENCE. 2077200700017 HISTORY (781102C) 2077200700018 (781213E) 2077200700019 (801209A) G.C., RECOMPILED. 2077200700020 (801218E) 2077200700021 CORRECTION .FOR SMALL LATERAL SHIFTS IN THE POSITION OF THE BEAM 2077200700022 SPOT ON THE TARGET. 2077200700023 ERR-ANALYS (ERR-S) STATISTICAL ERROR, AT 1 SIGMA 2077200700024 (ERR-1) IN ADDITION THE SYSTEMATIC ERROR IN THE RATIO 2077200700025 IS 1.7 PERCENT. 2077200700026 IT IS BUILT UP AS FOLLOWS 2077200700027 ------------------------------------------------- 2077200700028 ERROR SOURCE FE-56(N,P) CU-63(N,P) 2077200700029 ------------------------------------------------- 2077200700030 BETA COUNTING EFFIC. 0.5 PERC 1.5 PERC 2077200700031 HALF LIFE LT 0.1 PERC LT 0.1 PERC 2077200700032 DISTANCE 0.3 PERC - 2077200700033 SCATTERING, SHIELDING 0.1 PERC 0.1 PERC 2077200700034 GAMMA EFFICIENCY CORR. 0.5 PERC - 2077200700035 DECAY SCHEME LT 0.1 PERC 0.2 PERC 2077200700036 ------------------------------------------------- 2077200700037 TOTAL 0.8 PERC 1.5 PERC 2077200700038 ------------------------------------------------- 2077200700039 1.7 PERC 2077200700040 ------------ 2077200700041 (MONIT-ERR) STATED AS 0.04 B BY AUTHORS. 2077200700042 ENDBIB 40 0 2077200700043 COMMON 4 3 2077200700044 EN-NRM MONIT MONIT-ERR ERR-1 2077200700045 EV B B PER-CENT 2077200700046 2.5300E-02 4.4900E+00 4.0000E-02 1.7000E+00 2077200700047 ENDCOMMON 3 0 2077200700048 DATA 5 10 2077200700049 EN EN-RSL EN-ERR DATA ERR-S 2077200700050 MEV MEV KEV NO-DIM NO-DIM 2077200700051 1.4670E+01 1.0000E-01 8.0000E+01 8.7800E+00 6.7000E-03 2077200700052 1.5300E+01 3.0000E-01 2.0000E+02 9.9300E+00 1.0000E-02 2077200700053 1.5520E+01 2.4000E-01 1.0000E+02 1.0520E+01 3.6700E-02 2077200700054 1.5900E+01 2.4000E-01 1.0000E+02 1.1460E+01 5.3000E-02 2077200700055 1.6350E+01 2.4000E-01 1.0000E+02 1.2480E+01 1.2670E-01 2077200700056 1.6460E+01 2.4000E-01 1.0000E+02 1.2970E+01 7.3000E-02 2077200700057 1.6550E+01 2.4000E-01 1.0000E+02 1.3350E+01 3.3000E-02 2077200700058 1.7000E+01 2.2000E-01 1.0000E+02 1.4730E+01 3.6700E-02 2077200700059 1.7860E+01 2.1000E-01 1.0000E+02 1.7160E+01 5.6700E-02 2077200700060 1.8950E+01 2.1000E-01 1.0000E+02 1.9240E+01 4.6700E-02 2077200700061 ENDDATA 12 0 2077200700062 ENDSUBENT 61 0 2077200799999 SUBENT 20772008 19840207 00002077200800001 BIB 9 47 2077200800002 REACTION (29-CU-65(N,P)28-NI-65,,SIG) 2077200800003 ANALYSIS .THE BETA DECAY CURVES OF THE ACTIVATED FOILS WERE 2077200800004 ANALYSED BY THE METHOD OF LEAST SQUARES TO FIND 2077200800005 THE COMPONENTS OF THE DAUGHTER ACTIVITIES. 2077200800006 (99. MIN CO-61 AND 2.56 HR NI-65) 2077200800007 MONITOR (1-H-1(N,EL)1-H-1,,SIG) TAKEN FROM J.L.GAMMEL, 2077200800008 FAST NEUTRON PHYSICS,II,6,P.2185. 2077200800009 PART-DET (B- ) 2077200800010 (DG ) 2077200800011 MISC-COL (MISC ) NUMBER OF MEASUREMENTS FOR THIS DATA POINT. 2077200800012 COMMENT .THE ARTICLE STATES A TOTAL SYSTEMATIC UNCERTAINTY OF 2077200800013 OF 4.-5. PERCENT. IN THIS FIGURE THE MONITOR ERROR 2077200800014 WAS INCLUDED. THE VALUE OF ERR-2 HAS BEEN CALCULATED 2077200800015 BY THE COMPILER ADOPTING A VALUE OF 5 PERCENT, AND 2077200800016 SUBSTRACTING ERR-1 AND MONIT-ERR QUDRATICALLY. 2077200800017 .THE VALUE OF EN-NRM HAS BEEN CALCULATED BY THE 2077200800018 COMPILER FROM THE MONITOR VALUE BY LINEAR INTERPOLATIO2077200800019 IN THE TABLE OF FAST NEUTRON PHYSICS,II,6,P.2220, 2077200800020 TABLE XI. 2077200800021 STATUS (PRELM) NEW MEASUREMENTS ARE IN PROGRESS. 2077200800022 THE AUTHOR STATED THESE DATA AS ROUGH. 2077200800023 HISTORY (781102C) 2077200800024 (781213E) 2077200800025 (801209A) G.C., RECOMPILED. 2077200800026 (801218E) 2077200800027 ERR-ANALYS (ERR-S) STATISTICAL ERROR FOR THE MEAN OF N 2077200800028 MEASUREMENTS. 2077200800029 (ERR-1) SYSTEMATIC UNCERTAINTIES IN THE NEUTRON FLUX. 2077200800030 THEY ARE BUILD UP AS FOLLOWS 2077200800031 ------------------------------------------------ 2077200800032 ERROR SOURCE ERROR 2077200800033 ------------------------------------------------ 2077200800034 GEOMETRY OF THE TELESCOPE 0.5 PERC 2077200800035 N-SCATTERING AND ATTENUATION 0.3 PERC 2077200800036 BACKGROUND 0.2 PERC 2077200800037 P-REACTIONS IN THE SI-DETECTOR 0.2 PERC 2077200800038 P SLIT PENETRATION 0.2 PERC 2077200800039 RADIATOR COMPOSITION 0.1 PERC 2077200800040 P-SCATTERING IN THE TELESCOPE 0.2 PERC 2077200800041 ------------------------------------------------ 2077200800042 TOTAL 0.8 PERC 2077200800043 ------------------------------------------------ 2077200800044 (ERR-2) QUADRATIC SUM OF ALL OTHER SYSTEMATIC 2077200800045 UNCERTAINTIES. NO FURTHER ANALYSIS WAS GIVEN 2077200800046 BY THE AUTHORS. 2077200800047 (MONIT-ERR) UNCERTAINTY IN THE MONITOR VALUE, STATED 2077200800048 AS 1.5 PERCENT BY THE AUTHORS. 2077200800049 ENDBIB 47 0 2077200800050 COMMON 5 3 2077200800051 EN-NRM ERR-1 ERR-2 MONIT MONIT-ERR 2077200800052 MEV PER-CENT PER-CENT B PER-CENT 2077200800053 1.4775E+01 8.0000E-01 4.7000E+00 6.5800E-01 1.5000E+00 2077200800054 ENDCOMMON 3 0 2077200800055 DATA 6 6 2077200800056 EN EN-RSL EN-ERR MISC DATA ERR-S 2077200800057 MEV MEV KEV NO-DIM MB MB 2077200800058 1.4670E+01 1.0000E-01 8.0000E+01 1.1000E+01 1.8100E+01 8.0000E-012077200800059 1.5300E+01 3.0000E-01 2.0000E+02 4.0000E+00 2.0900E+01 7.0000E-012077200800060 1.6550E+01 2.4000E-01 1.0000E+02 4.0000E+00 1.6800E+01 2.7000E+002077200800061 1.7000E+01 2.2000E-01 1.0000E+02 6.0000E+00 1.6500E+01 2.7000E+002077200800062 1.7860E+01 2.1000E-01 1.0000E+02 3.0000E+00 1.3700E+01 2.5000E+002077200800063 1.8950E+01 2.1000E-01 1.0000E+02 1.1000E+01 2.3000E+01 3.5000E+002077200800064 ENDDATA 8 0 2077200800065 ENDSUBENT 64 0 2077200899999 SUBENT 20772009 19840207 00002077200900001 BIB 9 47 2077200900002 REACTION (29-CU-65(N,N+A)27-CO-61,,SIG) 2077200900003 ANALYSIS .THE BETA DECAY CURVES OF THE ACTIVATED FOILS WERE 2077200900004 ANALYSED BY THE METHOD OF LEAST SQUARES TO FIND THE 2077200900005 COMPONENTS OF THE DAUGHTER ACTIVITIES, 99. MIN CO-61 2077200900006 AND 2.56 HR NI-65. 2077200900007 MONITOR (1-H-1(N,EL)1-H-1,,SIG) TAKEN FROM J.L.GAMMEL, 2077200900008 FAST NEUTRON PHYSICS,II,6,P.2185, INTERSCIENCE, 2077200900009 NEW YORK. 2077200900010 PART-DET (B- ) 2077200900011 (DG ) 2077200900012 MISC-COL (MISC ) NUMBER OF MEASUREMENTS FOR THIS DATA POINT. 2077200900013 COMMENT .THE ARTICLE STATES A TOTAL SYSTEMATIC UNCERTAINTY 2077200900014 OF 4.-5. PERCENT. IN THIS FIGURE THE MONITOR ERROR 2077200900015 WAS INCLUDED. THE VALUES OF ERR-2 HAVE BEEN 2077200900016 CALCULATED BY THE COMPILER ADOPTING A VALUE OF 2077200900017 5. PERCENT, AND SUBSTRACTING ERR-1 AND MONIT-ERR. 2077200900018 .THE VALUE OF EN-NRM HAS BEEN CALCULATED BY THE 2077200900019 COMPILER FROM THE MONITOR VALUE, BY LINEAR 2077200900020 INTERPOLATION IN THE TABLE OF FAST NEUTRON PHYSICS, 2077200900021 II,6,P.2220(TABLE XI). 2077200900022 STATUS (PRELM) NEW MEASUREMENTS ARE IN PROGRESS. 2077200900023 THE AUTHOR STATES THAT THESE DATA ARE ROUGH. 2077200900024 HISTORY (781102C) 2077200900025 (781213E) 2077200900026 (801205A) G.C., RECOMPILED. 2077200900027 (801218E) 2077200900028 ERR-ANALYS (ERR-S) RANDOM UNCERTAINTY AT THE 68 PERCENT 2077200900029 CONFIDENCE LEVEL FROM N MEASUREMENTS. 2077200900030 (ERR-1) SYSTEMATIC UNCERTAINTIES IN THE NEUTRON FLUX. 2077200900031 THEY ARE BUILD UP AS FOLLOWS 2077200900032 ------------------------------------------------ 2077200900033 ERROR SOURCE ERROR 2077200900034 ------------------------------------------------ 2077200900035 GEOMETRY OF THE TELESCOPE 0.5 PERC 2077200900036 N-SCATTERING AND ATTENUATION 0.3 PERC 2077200900037 BACKGROUND 0.2 PERC 2077200900038 P-REACTIONS IN THE SI-DETECTOR 0.2 PERC 2077200900039 P SLIT PENETRATION 0.2 PERC 2077200900040 RADIATOR COMPOSITION 0.1 PERC 2077200900041 P-SCATTERING IN THE TELESCOPE 0.2 PERC 2077200900042 ------------------------------------------------ 2077200900043 TOTAL 0.8 PERC 2077200900044 ------------------------------------------------ 2077200900045 (ERR-2) OTHER SYSTEMATIC UNCERTAINTIES, NO 2077200900046 FURTHER ANALYSIS GIVEN BY AUTHORS. 2077200900047 (MONIT-ERR) UNCERTAINTY IN THE MONITOR VALUE, 2077200900048 STATED AS 1.5 PERCENT BY AUTHOR. 2077200900049 ENDBIB 47 0 2077200900050 COMMON 5 3 2077200900051 EN-NRM ERR-1 ERR-2 MONIT MONIT-ERR 2077200900052 MEV PER-CENT PER-CENT B PER-CENT 2077200900053 1.4775E+01 8.0000E-01 4.7000E+00 6.5800E-01 1.5000E+00 2077200900054 ENDCOMMON 3 0 2077200900055 DATA 6 6 2077200900056 EN EN-RSL EN-ERR MISC DATA ERR-S 2077200900057 MEV MEV KEV NO-DIM MB MB 2077200900058 1.4670E+01 1.0000E-01 8.0000E+01 1.1000E+01 4.7000E+00 8.0000E-012077200900059 1.5300E+01 3.0000E-01 2.0000E+02 4.0000E+00 3.0000E+00 8.0000E-012077200900060 1.6550E+01 2.4000E-01 1.0000E+02 4.0000E+00 9.1000E+00 3.1000E+002077200900061 1.7000E+01 2.2000E-01 1.0000E+02 6.0000E+00 1.4200E+01 2.5000E+002077200900062 1.7860E+01 2.1000E-01 1.0000E+02 3.0000E+00 2.0400E+01 2.5000E+002077200900063 1.8950E+01 2.1000E-01 1.0000E+02 1.1000E+01 1.5600E+01 3.2000E+002077200900064 ENDDATA 8 0 2077200900065 ENDSUBENT 64 0 2077200999999 ENDENTRY 9 0 2077299999999