ENTRY 20730 19840127 00002073000000001 SUBENT 20730001 19840127 00002073000100001 BIB 15 37 2073000100002 INSTITUTE (2UK ALD) 2073000100003 REFERENCE (J,JNE,23,713,6912) 2073000100004 AUTHOR (N.J.FREEMAN,J.F.BARRY,N.L.CAMPBELL) 2073000100005 TITLE -THE (N,A) CROSS SECTIONS FOR NATURAL NICKEL, IRON, 2073000100006 CHROMIUM AND MOLYBDENUM IN A FISSION NEUTRON 2073000100007 SPECTRUM.- 2073000100008 INC-SOURCE (REAC ) DOUNREAY FAST REACTOR. 2073000100009 INC-SPECT .FAST NEUTRON FLUX. 2073000100010 SAMPLE .AS RODS EXCEPT CHROMIUM WHICH WAS SUPPLIED AS 2073000100011 BEADS. 2073000100012 METHOD (ASEP ) ABSOLUTE DETERMINATION OF HELIUM BY A 2073000100013 COMBINATION OF VACUUM FUSION EXTRACTION AND MASS 2073000100014 SPECTROMETRY. 2073000100015 DETECTOR (GELI ) FOR THE CO-58 ACTIVITY. 2073000100016 .FOR THE HELIUM ACTIVITY A SPECIAL GAS MEASURING 2073000100017 APPARATUS WITH AN ELECTROMAGNETIC SEPARATOR HAS 2073000100018 BEEN USED (FOR DETAILS SEE ORIGINAL WORK). 2073000100019 ANALYSIS .42 DAYS IRRADIATIONS AND STORING FOR SEVERAL 2073000100020 MONTHS TO ALLOW THE ACTIVITY TO DECAY TO A SAFE 2073000100021 LEVEL FOR HANDLING. 2073000100022 MONITOR (28-NI-58(N,P)27-CO-58,,SIG,,FIS) 2073000100023 FISSION-SPECTRUM AVERAGE CROSS 2073000100024 SECTION = 109+-10 MB. 2073000100025 (26-FE-54(N,P)25-MN-54,,SIG,,FIS) 2073000100026 FISSION-SPECTRUM AVERAGE CROSS 2073000100027 SECTION = 71+-5 MB. 2073000100028 STATUS .TAKEN FROM J.NUCL.ENERGY,23(1969)713. 2073000100029 HISTORY (770425C) 2073000100030 (780307E) 2073000100031 CORRECTION .FOR THE CONTRIBUTIONS OF NITROGEN AND OXYGEN 2073000100032 IMPURITIES. 2073000100033 .DEAD TIME CORRECTIONS BECAUSE OF THE HIGH ACTIVITY 2073000100034 OF THE NI-SAMPLES (ABOUT 10**10 DPM,AFTER A DECAY 2073000100035 OF 213 DAYS). 2073000100036 .FOR THE NEUTRON FLUX MEASURING WITH THE NI AND 2073000100037 FE MONITORS. 2073000100038 ERR-ANALYS .ABSOLUTE ERRORS. 2073000100039 ENDBIB 37 0 2073000100040 COMMON 1 3 2073000100041 EN-DUMMY 2073000100042 MEV 2073000100043 1.5000E+00 2073000100044 ENDCOMMON 3 0 2073000100045 ENDSUBENT 44 0 2073000199999 SUBENT 20730002 19840127 00002073000200001 BIB 1 1 2073000200002 REACTION (24-CR-0(N,A),,SIG,,FIS) 2073000200003 ENDBIB 1 0 2073000200004 NOCOMMON 0 0 2073000200005 DATA 2 1 2073000200006 DATA DATA-ERR 2073000200007 MB MB 2073000200008 1.7000E-01 6.0000E-02 2073000200009 ENDDATA 3 0 2073000200010 ENDSUBENT 9 0 2073000299999 SUBENT 20730003 19840127 00002073000300001 BIB 1 1 2073000300002 REACTION (26-FE-0(N,A),,SIG,,FIS) 2073000300003 ENDBIB 1 0 2073000300004 NOCOMMON 0 0 2073000300005 DATA 2 1 2073000300006 DATA DATA-ERR 2073000300007 MB MB 2073000300008 1.8000E-01 4.0000E-02 2073000300009 ENDDATA 3 0 2073000300010 ENDSUBENT 9 0 2073000399999 SUBENT 20730004 19840127 00002073000400001 BIB 1 1 2073000400002 REACTION (28-NI-0(N,A),,SIG,,FIS) 2073000400003 ENDBIB 1 0 2073000400004 NOCOMMON 0 0 2073000400005 DATA 2 1 2073000400006 DATA DATA-ERR 2073000400007 MB MB 2073000400008 4.7000E+00 6.0000E-01 2073000400009 ENDDATA 3 0 2073000400010 ENDSUBENT 9 0 2073000499999 SUBENT 20730005 19840127 00002073000500001 BIB 1 1 2073000500002 REACTION (42-MO-0(N,A),,SIG,,FIS) 2073000500003 ENDBIB 1 0 2073000500004 NOCOMMON 0 0 2073000500005 DATA 2 1 2073000500006 DATA DATA-ERR 2073000500007 MB MB 2073000500008 1.3000E-01 3.0000E-02 2073000500009 ENDDATA 3 0 2073000500010 ENDSUBENT 9 0 2073000599999 ENDENTRY 5 0 2073099999999