ENTRY 21044 19800228 00002104400000001 SUBENT 21044001 19800228 00002104400100001 BIB 12 46 2104400100002 INSTITUTE (2UK HAR) 2104400100003 REFERENCE (J,NP,59,583,6411) 2104400100004 AUTHOR (F.MANERO,B.H.ARMITAGE,J.M.FREEMAN,J.H.MONTAGUE) 2104400100005 TITLE -TOTAL NEUTRON CROSS SECTIONS OF C, CA AND FE 2104400100006 BETWEEN 8 AND 14 MEV- 2104400100007 FACILITY (VDGT ) TANDEM VAN DE GRAAFF. 2104400100008 INC-SOURCE (D-D ) DEUTERON BEAM COLLIMATED TO 0.3 CM DIAMETER 2104400100009 INCIDENT THROUGH A 2.5 MICRO-M NI WINDOW ON 2104400100010 A DEUTERIUM GAS CELL, 0.63 CM LONG AND 5 CM 2104400100011 IN DIAMETER. 2104400100012 .NEUTRON ENERGY SPREAD FROM VARIATION IN DEUTERON 2104400100013 ENERGY OVER THE LENGTH OF THE TARGET, STRAGGLING 2104400100014 IN THE NI WINDOW AND FINITE ANGLE OF THE DETECTOR 2104400100015 FROM THE NEUTRON SOURCE (1.7 DEGREES) ESTIMATED 2104400100016 TO VARY FROM 50 KEV AT 7 MEV TO 20 KEV AT 14 MEV. 2104400100017 METHOD (PSD ) TRANSMISSION METHOD USING PULSE SHAPE 2104400100018 DISCRIMINATION TO SEPARATE NEUTRONS AND 2104400100019 GAMMAS. 2104400100020 DETECTOR (SCIN ) STILBENE SCINTILLATOR, 5 CM IN DIAMETER AND 2104400100021 5 CM LONG, AND EMI 6097 PHOTOMULTIPLIER 2104400100022 PLACED BEHIND SAMPLE AT 0 DEGREES TO THE 2104400100023 DEUTERON BEAM TO COUNT TRANSMITTED NEUTRONS. 2104400100024 IDENTICAL SCINTILLATOR AT 20 DEGREES TO THE 2104400100025 DEUTERON BEAM TO MONITOR NEUTRON FLUX. 2104400100026 STATUS (NDD ) FROM NEUDADA. DATA GIVEN IN TABLES 1 AND 2 2104400100027 OF PUBLICATION. 2104400100028 HISTORY (790802C) 2104400100029 (790831E) 2104400100030 CORRECTION .ROOM BACKGROUND MEASURED USING 25 CM IRON ROD 2104400100031 BETWEEN TARGET AND 0 DEGREE COUNTER. RESIDUAL 2104400100032 FLUX WITHOUT GAS IN THE CELL WAS EXAMINED AND 2104400100033 THE SAMPLE WAS FOUND TO HAVE CLOSELY SIMILAR 2104400100034 TRANSMISSION FOR THESE NEUTRONS SO THAT NO 2104400100035 CORRECTION WAS MADE. 2104400100036 .CORRECTION FOR INSCATTERING FROM SAMPLE TO 2104400100037 DETECTOR, LESS THAN 1 PERCENT FOR C AND CA, 2104400100038 LESS THAN 1.6 PERCENT FOR FE. 2104400100039 .NO CORRECTION FOR INELASTICALLY SCATTERED NEUTRONS 2104400100040 FROM SAMPLE REACHING THE DETECTOR. 2104400100041 ERR-ANALYS .NEUTRON ENERGY ERROR OF +-30 KEV DUE TO COMPOUNDED 2104400100042 UNCERTAINTIES IN TANDEM ENERGY CALIBRATION AND IN 2104400100043 DEUTERON ENERGY LOSSES IN NI WINDOW AND GAS CELL. 2104400100044 .TOTAL DATA ERROR FOUND BY COMPOUNDING THE EFFECTS 2104400100045 OF COUNTING STATISTICS (LESS THAN 1 PERCENT) AND 2104400100046 UNCERTAINTIES IN BACKGROUND AND INSCATTERING 2104400100047 CORRECTIONS. 2104400100048 ENDBIB 46 0 2104400100049 COMMON 1 3 2104400100050 EN-ERR 2104400100051 KEV 2104400100052 3.0000E+01 2104400100053 ENDCOMMON 3 0 2104400100054 ENDSUBENT 53 0 2104400199999 SUBENT 21044002 19790831 00002104400200001 BIB 3 7 2104400200002 REACTION (6-C-12(N,TOT),,SIG) 2104400200003 SAMPLE .CYLINDERS OF REACTOR QUALITY GRAPHITE, 5 CM AND 2104400200004 7.5 CM LONG AND 2.5 CM IN DIAMETER, COAXIAL WITH 2104400200005 GAS TARGET AND DETECTOR. 2104400200006 AND 7.5 CM AND DIAMETER 2.5 CM. 2104400200007 STATUS (NDD ) FROM NEUDADA. DATA GIVEN IN TABLE 1 OF THE 2104400200008 PUBLICATION. 2104400200009 ENDBIB 7 0 2104400200010 COMMON 1 3 2104400200011 DATA-ERR 2104400200012 PER-CENT 2104400200013 1.5000E+00 2104400200014 ENDCOMMON 3 0 2104400200015 DATA 2 95 2104400200016 EN DATA 2104400200017 MEV B 2104400200018 7.0400E+00 7.4000E-01 2104400200019 7.1400E+00 7.5000E-01 2104400200020 7.1900E+00 8.0000E-01 2104400200021 7.2500E+00 8.7000E-01 2104400200022 7.3000E+00 1.0200E+00 2104400200023 7.3500E+00 1.3300E+00 2104400200024 7.4000E+00 1.6800E+00 2104400200025 7.4500E+00 1.8000E+00 2104400200026 7.5000E+00 1.7800E+00 2104400200027 7.5600E+00 1.7600E+00 2104400200028 7.6100E+00 1.7500E+00 2104400200029 7.6600E+00 1.7200E+00 2104400200030 7.7000E+00 1.8200E+00 2104400200031 7.7600E+00 2.1300E+00 2104400200032 7.8100E+00 2.2500E+00 2104400200033 7.8600E+00 2.1300E+00 2104400200034 7.9100E+00 2.0100E+00 2104400200035 7.9600E+00 1.9700E+00 2104400200036 8.0100E+00 1.9000E+00 2104400200037 8.0600E+00 1.9200E+00 2104400200038 8.1000E+00 1.9200E+00 2104400200039 8.1500E+00 1.8700E+00 2104400200040 8.2000E+00 1.7100E+00 2104400200041 8.2500E+00 1.4600E+00 2104400200042 8.3000E+00 1.3100E+00 2104400200043 8.3500E+00 1.2300E+00 2104400200044 8.4000E+00 1.1900E+00 2104400200045 8.4500E+00 1.1200E+00 2104400200046 8.5000E+00 1.1200E+00 2104400200047 8.5500E+00 1.0500E+00 2104400200048 8.6000E+00 1.0800E+00 2104400200049 8.6500E+00 1.0500E+00 2104400200050 8.7000E+00 1.0500E+00 2104400200051 8.7500E+00 1.0500E+00 2104400200052 8.8000E+00 1.0400E+00 2104400200053 8.8500E+00 1.0500E+00 2104400200054 8.9100E+00 1.0400E+00 2104400200055 8.9600E+00 1.0800E+00 2104400200056 9.0100E+00 1.0800E+00 2104400200057 9.0600E+00 1.1000E+00 2104400200058 9.1100E+00 1.1900E+00 2104400200059 9.1600E+00 1.2100E+00 2104400200060 9.2100E+00 1.2800E+00 2104400200061 9.2600E+00 1.2900E+00 2104400200062 9.3000E+00 1.3000E+00 2104400200063 9.3400E+00 1.3000E+00 2104400200064 9.4400E+00 1.2600E+00 2104400200065 9.5400E+00 1.2300E+00 2104400200066 9.6300E+00 1.2200E+00 2104400200067 9.7300E+00 1.2300E+00 2104400200068 9.8300E+00 1.2300E+00 2104400200069 9.9300E+00 1.1800E+00 2104400200070 1.0030E+01 1.1400E+00 2104400200071 1.0120E+01 1.1200E+00 2104400200072 1.0220E+01 1.1100E+00 2104400200073 1.0320E+01 1.1100E+00 2104400200074 1.0420E+01 1.1200E+00 2104400200075 1.0510E+01 1.1600E+00 2104400200076 1.0610E+01 1.2200E+00 2104400200077 1.0710E+01 1.2800E+00 2104400200078 1.0800E+01 1.3300E+00 2104400200079 1.0900E+01 1.3800E+00 2104400200080 1.1000E+01 1.4000E+00 2104400200081 1.1100E+01 1.3800E+00 2104400200082 1.1190E+01 1.4000E+00 2104400200083 1.1290E+01 1.3800E+00 2104400200084 1.1380E+01 1.3500E+00 2104400200085 1.1480E+01 1.3200E+00 2104400200086 1.1570E+01 1.2900E+00 2104400200087 1.1670E+01 1.3100E+00 2104400200088 1.1760E+01 1.3100E+00 2104400200089 1.1860E+01 1.3200E+00 2104400200090 1.1960E+01 1.4000E+00 2104400200091 1.2060E+01 1.4100E+00 2104400200092 1.2150E+01 1.4500E+00 2104400200093 1.2250E+01 1.4200E+00 2104400200094 1.2350E+01 1.3300E+00 2104400200095 1.2440E+01 1.3200E+00 2104400200096 1.2530E+01 1.3000E+00 2104400200097 1.2630E+01 1.3200E+00 2104400200098 1.2730E+01 1.3200E+00 2104400200099 1.2820E+01 1.3300E+00 2104400200100 1.2910E+01 1.3000E+00 2104400200101 1.3010E+01 1.3400E+00 2104400200102 1.3110E+01 1.3600E+00 2104400200103 1.3200E+01 1.3400E+00 2104400200104 1.3290E+01 1.3500E+00 2104400200105 1.3370E+01 1.3500E+00 2104400200106 1.3580E+01 1.3600E+00 2104400200107 1.3770E+01 1.3000E+00 2104400200108 1.3960E+01 1.2800E+00 2104400200109 1.4060E+01 1.2700E+00 2104400200110 1.4160E+01 1.2700E+00 2104400200111 1.4250E+01 1.3000E+00 2104400200112 1.4340E+01 1.3100E+00 2104400200113 ENDDATA 97 0 2104400200114 ENDSUBENT 113 0 2104400299999 SUBENT 21044003 19790831 00002104400300001 BIB 3 6 2104400300002 REACTION (20-CA-0(N,TOT),,SIG) 2104400300003 SAMPLE .CYLINDER OF CALCIUM METAL, 12.8 CM LONG AND 2.5 CM 2104400300004 IN DIAMETER, SEALED IN POLYTHENE BAG AND COAXIAL 2104400300005 WITH DETECTOR AND GAS TARGET. 2104400300006 STATUS (NDD ) FROM NEUDADA. DATA GIVEN IN TABLE 2 OF THE 2104400300007 PUBLICATION. 2104400300008 ENDBIB 6 0 2104400300009 NOCOMMON 0 0 2104400300010 DATA 3 61 2104400300011 EN DATA DATA-ERR 2104400300012 MEV B PER-CENT 2104400300013 8.5200E+00 2.7800E+00 1.5000E+00 2104400300014 8.6200E+00 2.8000E+00 1.5000E+00 2104400300015 8.7200E+00 2.8100E+00 1.5000E+00 2104400300016 8.8200E+00 2.7500E+00 1.5000E+00 2104400300017 8.9200E+00 2.7500E+00 1.5000E+00 2104400300018 9.0200E+00 2.8300E+00 1.5000E+00 2104400300019 9.1200E+00 2.8200E+00 1.5000E+00 2104400300020 9.2200E+00 2.8100E+00 1.5000E+00 2104400300021 9.3100E+00 2.7300E+00 1.5000E+00 2104400300022 9.4100E+00 2.7500E+00 1.5000E+00 2104400300023 9.5100E+00 2.7700E+00 1.5000E+00 2104400300024 9.6000E+00 2.7800E+00 1.5000E+00 2104400300025 9.7000E+00 2.7300E+00 1.5000E+00 2104400300026 9.8000E+00 2.6000E+00 1.5000E+00 2104400300027 9.9000E+00 2.6900E+00 1.5000E+00 2104400300028 9.9900E+00 2.7100E+00 1.5000E+00 2104400300029 1.0090E+01 2.6800E+00 1.5000E+00 2104400300030 1.0180E+01 2.5800E+00 1.5000E+00 2104400300031 1.0280E+01 2.5500E+00 1.5000E+00 2104400300032 1.0380E+01 2.5600E+00 1.5000E+00 2104400300033 1.0470E+01 2.5500E+00 1.5000E+00 2104400300034 1.0570E+01 2.5600E+00 1.5000E+00 2104400300035 1.0670E+01 2.6300E+00 1.5000E+00 2104400300036 1.0760E+01 2.5500E+00 1.5000E+00 2104400300037 1.0860E+01 2.5400E+00 1.5000E+00 2104400300038 1.0960E+01 2.5300E+00 1.5000E+00 2104400300039 1.1050E+01 2.5500E+00 1.5000E+00 2104400300040 1.1150E+01 2.5200E+00 1.5000E+00 2104400300041 1.1250E+01 2.5200E+00 1.5000E+00 2104400300042 1.1340E+01 2.4600E+00 1.5000E+00 2104400300043 1.1440E+01 2.4700E+00 2.0000E+00 2104400300044 1.1530E+01 2.5100E+00 2.0000E+00 2104400300045 1.1630E+01 2.4300E+00 2.0000E+00 2104400300046 1.1720E+01 2.4300E+00 2.0000E+00 2104400300047 1.1820E+01 2.4300E+00 2.0000E+00 2104400300048 1.1910E+01 2.4100E+00 2.0000E+00 2104400300049 1.2010E+01 2.3800E+00 2.0000E+00 2104400300050 1.2100E+01 2.3800E+00 2.0000E+00 2104400300051 1.2200E+01 2.3900E+00 2.0000E+00 2104400300052 1.2300E+01 2.3600E+00 2.0000E+00 2104400300053 1.2390E+01 2.3700E+00 2.0000E+00 2104400300054 1.2480E+01 2.3000E+00 2.0000E+00 2104400300055 1.2580E+01 2.3300E+00 2.0000E+00 2104400300056 1.2680E+01 2.3400E+00 2.0000E+00 2104400300057 1.2770E+01 2.2900E+00 2.0000E+00 2104400300058 1.2860E+01 2.3400E+00 2.0000E+00 2104400300059 1.2960E+01 2.3600E+00 2.0000E+00 2104400300060 1.3060E+01 2.3500E+00 2.0000E+00 2104400300061 1.3150E+01 2.2700E+00 2.0000E+00 2104400300062 1.3240E+01 2.2600E+00 2.0000E+00 2104400300063 1.3340E+01 2.2900E+00 2.0000E+00 2104400300064 1.3430E+01 2.2300E+00 2.0000E+00 2104400300065 1.3530E+01 2.2600E+00 2.0000E+00 2104400300066 1.3630E+01 2.2200E+00 2.0000E+00 2104400300067 1.3720E+01 2.2600E+00 2.0000E+00 2104400300068 1.3820E+01 2.2400E+00 2.0000E+00 2104400300069 1.3910E+01 2.2100E+00 2.0000E+00 2104400300070 1.4000E+01 2.2100E+00 2.0000E+00 2104400300071 1.4100E+01 2.2000E+00 2.0000E+00 2104400300072 1.4190E+01 2.1500E+00 2.0000E+00 2104400300073 1.4280E+01 2.2100E+00 2.0000E+00 2104400300074 ENDDATA 63 0 2104400300075 ENDSUBENT 74 0 2104400399999 SUBENT 21044004 19790831 00002104400400001 BIB 3 5 2104400400002 REACTION (26-FE-0(N,TOT),,SIG) 2104400400003 SAMPLE .MILD STEEL ROD, 3.5 CM LONG AND 2.5 CM IN DIAMETER, 2104400400004 COAXIAL WITH DETECTOR AND GAS TARGET. 2104400400005 STATUS (NDD ) FROM NEUDADA. DATA GIVEN IN TABLE 2 OF THE 2104400400006 PUBLICATION. 2104400400007 ENDBIB 5 0 2104400400008 NOCOMMON 0 0 2104400400009 DATA 3 63 2104400400010 EN DATA DATA-ERR 2104400400011 MEV B PER-CENT 2104400400012 8.3200E+00 3.4100E+00 1.5000E+00 2104400400013 8.4200E+00 3.4000E+00 1.5000E+00 2104400400014 8.5200E+00 3.3600E+00 1.5000E+00 2104400400015 8.6200E+00 3.3500E+00 1.5000E+00 2104400400016 8.7200E+00 3.2500E+00 1.5000E+00 2104400400017 8.8200E+00 3.2800E+00 1.5000E+00 2104400400018 8.9200E+00 3.2700E+00 1.5000E+00 2104400400019 9.0200E+00 3.2900E+00 1.5000E+00 2104400400020 9.1200E+00 3.2400E+00 1.5000E+00 2104400400021 9.2200E+00 3.1800E+00 1.5000E+00 2104400400022 9.3100E+00 3.2300E+00 1.5000E+00 2104400400023 9.4100E+00 3.1900E+00 1.5000E+00 2104400400024 9.5100E+00 3.2500E+00 1.5000E+00 2104400400025 9.6000E+00 3.1700E+00 1.5000E+00 2104400400026 9.7000E+00 3.1300E+00 1.5000E+00 2104400400027 9.8000E+00 3.1300E+00 1.5000E+00 2104400400028 9.9000E+00 3.1100E+00 1.5000E+00 2104400400029 9.9900E+00 3.1000E+00 1.5000E+00 2104400400030 1.0090E+01 3.0600E+00 1.5000E+00 2104400400031 1.0180E+01 3.1100E+00 1.5000E+00 2104400400032 1.0280E+01 3.0500E+00 1.5000E+00 2104400400033 1.0380E+01 3.0100E+00 1.5000E+00 2104400400034 1.0470E+01 3.0000E+00 1.5000E+00 2104400400035 1.0570E+01 3.0500E+00 1.5000E+00 2104400400036 1.0670E+01 2.9900E+00 1.5000E+00 2104400400037 1.0760E+01 3.0000E+00 1.5000E+00 2104400400038 1.0860E+01 3.0200E+00 1.5000E+00 2104400400039 1.0960E+01 3.0300E+00 1.5000E+00 2104400400040 1.1050E+01 2.9900E+00 1.5000E+00 2104400400041 1.1150E+01 2.9700E+00 1.5000E+00 2104400400042 1.1250E+01 2.9100E+00 1.5000E+00 2104400400043 1.1340E+01 2.9500E+00 1.5000E+00 2104400400044 1.1440E+01 2.9500E+00 2.0000E+00 2104400400045 1.1530E+01 2.9000E+00 2.0000E+00 2104400400046 1.1630E+01 2.8700E+00 2.0000E+00 2104400400047 1.1720E+01 2.8300E+00 2.0000E+00 2104400400048 1.1820E+01 2.8700E+00 2.0000E+00 2104400400049 1.1910E+01 2.8200E+00 2.0000E+00 2104400400050 1.2010E+01 2.8400E+00 2.0000E+00 2104400400051 1.2100E+01 2.8800E+00 2.0000E+00 2104400400052 1.2200E+01 2.8100E+00 2.0000E+00 2104400400053 1.2300E+01 2.7800E+00 2.0000E+00 2104400400054 1.2390E+01 2.7600E+00 2.0000E+00 2104400400055 1.2480E+01 2.7800E+00 2.0000E+00 2104400400056 1.2580E+01 2.7600E+00 2.0000E+00 2104400400057 1.2680E+01 2.7400E+00 2.0000E+00 2104400400058 1.2770E+01 2.7600E+00 2.0000E+00 2104400400059 1.2860E+01 2.7200E+00 2.0000E+00 2104400400060 1.2960E+01 2.7700E+00 2.0000E+00 2104400400061 1.3060E+01 2.7400E+00 2.0000E+00 2104400400062 1.3150E+01 2.7100E+00 2.0000E+00 2104400400063 1.3240E+01 2.6700E+00 2.0000E+00 2104400400064 1.3340E+01 2.6900E+00 2.0000E+00 2104400400065 1.3430E+01 2.6300E+00 2.0000E+00 2104400400066 1.3530E+01 2.6300E+00 2.0000E+00 2104400400067 1.3630E+01 2.6500E+00 2.0000E+00 2104400400068 1.3720E+01 2.6600E+00 2.0000E+00 2104400400069 1.3820E+01 2.6800E+00 2.0000E+00 2104400400070 1.3910E+01 2.6200E+00 2.0000E+00 2104400400071 1.4000E+01 2.4700E+00 2.0000E+00 2104400400072 1.4100E+01 2.5300E+00 2.0000E+00 2104400400073 1.4190E+01 2.5400E+00 2.0000E+00 2104400400074 1.4280E+01 2.5400E+00 2.0000E+00 2104400400075 ENDDATA 65 0 2104400400076 ENDSUBENT 75 0 2104400499999 ENDENTRY 4 0 2104499999999