ENTRY 21045 19800228 00002104500000001 SUBENT 21045001 19800228 00002104500100001 BIB 12 23 2104500100002 INSTITUTE (2UK HAR) 2104500100003 REFERENCE (J,NP,5,603,5811) 2104500100004 AUTHOR (J.E.LYNN,F.W.FIRK,M.C.MOXON) 2104500100005 TITLE -THE 2.85 KEV RESONANCE OF SODIUM- 2104500100006 FACILITY (LINAC) 15 MEV ELECTRON LINAC DELIVERING PHOTO- 2104500100007 NEUTRONS OF 1 MICROSECOND DURATION AT THE 2104500100008 RATE OF 400 PER SECOND. 2104500100009 INC-SOURCE (PHOTO) PHOTO-NEUTRONS. 2104500100010 SAMPLE .DISTILLED SODIUM APPROXIMATELY 1 MM THICK CLAMPED 2104500100011 BETWEEN TWO PLANE ALUMINIUM PLATES. 2104500100012 METHOD (TOF ) TIME-OF-FLIGHT TRANSMISSION MEASUREMENT. 2104500100013 DETECTOR (NAICR) B-10 SLAB SURROUNDED BY SODIUM IODIDE 2104500100014 SCINTILLATORS. 2104500100015 (BF3 ) BF-3 PROPORTIONAL COUNTERS TO MONITOR 2104500100016 NEUTRON FLUX. 2104500100017 STATUS (NDD ) FROM NEUDADA. 2104500100018 HISTORY (790802C) 2104500100019 (790831E) 2104500100020 CORRECTION .BACKGROUND UNCORRELATED WITH MACHINE PULSES WAS 2104500100021 MEASURED BY OPENING A 100 MICROSECOND TIMING 2104500100022 CHANNEL 2300 MICROSECONDS AFTER THE NEUTRON BURST. 2104500100023 .MACHINE DEPENDENT BACKGROUND MEASURED USING BLACK 2104500100024 RESONANCES. 2104500100025 ENDBIB 23 0 2104500100026 NOCOMMON 0 0 2104500100027 ENDSUBENT 26 0 2104500199999 SUBENT 21045002 19790831 00002104500200001 BIB 2 3 2104500200002 REACTION (11-NA-23(N,TOT),,SIG) 2104500200003 STATUS (NDD ) FROM NEUDADA. GRAPHICAL DATA IN FIG 4 OF 2104500200004 PUBLICATION. 2104500200005 ENDBIB 3 0 2104500200006 NOCOMMON 0 0 2104500200007 DATA 2 64 2104500200008 EN DATA 2104500200009 KEV B 2104500200010 5.9000E-01 3.1000E+00 2104500200011 6.2000E-01 3.6000E+00 2104500200012 6.5000E-01 3.5000E+00 2104500200013 6.7000E-01 2.7000E+00 2104500200014 7.0000E-01 3.4000E+00 2104500200015 7.4000E-01 3.0000E+00 2104500200016 7.7000E-01 3.4000E+00 2104500200017 8.0000E-01 3.5000E+00 2104500200018 8.5000E-01 3.6000E+00 2104500200019 8.9000E-01 3.5000E+00 2104500200020 9.4000E-01 3.3000E+00 2104500200021 9.9000E-01 3.7000E+00 2104500200022 1.0400E+00 4.0000E+00 2104500200023 1.1100E+00 3.7000E+00 2104500200024 1.1800E+00 4.1000E+00 2104500200025 1.2400E+00 4.2000E+00 2104500200026 1.3400E+00 4.5000E+00 2104500200027 1.4300E+00 5.0000E+00 2104500200028 1.5600E+00 5.5000E+00 2104500200029 1.7000E+00 6.5000E+00 2104500200030 1.8100E+00 8.0000E+00 2104500200031 1.9600E+00 1.0200E+01 2104500200032 2.0100E+00 1.4400E+01 2104500200033 2.0500E+00 1.6200E+01 2104500200034 2.1000E+00 1.9200E+01 2104500200035 2.1500E+00 2.0100E+01 2104500200036 2.2000E+00 2.4200E+01 2104500200037 2.2500E+00 2.5600E+01 2104500200038 2.3000E+00 3.1900E+01 2104500200039 2.3600E+00 3.7600E+01 2104500200040 2.4200E+00 4.3300E+01 2104500200041 2.4800E+00 5.4100E+01 2104500200042 2.5400E+00 7.7000E+01 2104500200043 2.6100E+00 1.2100E+02 2104500200044 2.6700E+00 1.9400E+02 2104500200045 2.7400E+00 2.7600E+02 2104500200046 2.8100E+00 3.4400E+02 2104500200047 2.8900E+00 3.3300E+02 2104500200048 2.9700E+00 2.7800E+02 2104500200049 3.0500E+00 2.0600E+02 2104500200050 3.1400E+00 1.4100E+02 2104500200051 3.2300E+00 1.0100E+02 2104500200052 3.3200E+00 8.3000E+01 2104500200053 3.4200E+00 6.4000E+01 2104500200054 3.5200E+00 5.3000E+01 2104500200055 3.6200E+00 4.1000E+01 2104500200056 3.7300E+00 3.6000E+01 2104500200057 3.8500E+00 3.0000E+01 2104500200058 4.0000E+00 2.6000E+01 2104500200059 4.1000E+00 2.1000E+01 2104500200060 4.2300E+00 2.0000E+01 2104500200061 4.3700E+00 1.7000E+01 2104500200062 4.6700E+00 1.6000E+01 2104500200063 4.8400E+00 1.4000E+01 2104500200064 4.9000E+00 1.1000E+01 2104500200065 5.1000E+00 1.0000E+01 2104500200066 5.8000E+00 8.5000E+00 2104500200067 6.6000E+00 7.1000E+00 2104500200068 7.4000E+00 6.2000E+00 2104500200069 8.8000E+00 5.7000E+00 2104500200070 1.0300E+01 5.0000E+00 2104500200071 1.2300E+01 4.9000E+00 2104500200072 1.5000E+01 4.3000E+00 2104500200073 1.9000E+01 4.1000E+00 2104500200074 ENDDATA 66 0 2104500200075 ENDSUBENT 74 0 2104500299999 SUBENT 21045003 19790831 00002104500300001 BIB 3 6 2104500300002 REACTION (11-NA-23(N,G),,WID) 2104500300003 ANALYSIS .RADIATIVE CAPTURE WIDTH DERIVED FROM TOTAL WIDTH AND 2104500300004 ABSORPTION CROSS-SECTION AT 0.025 EV (0.536+-0.006B, 2104500300005 FROM COCKING ET AL.,J.NUCL.ENERGY,3,(1956),70). 2104500300006 STATUS (NDD ) FROM NEUDADA. 2104500300007 FROM MEASURED TOTAL CROSS-SECTION. 2104500300008 ENDBIB 6 0 2104500300009 NOCOMMON 0 0 2104500300010 DATA 3 1 2104500300011 EN-RES EN-RSL DATA-MAX 2104500300012 KEV KEV EV 2104500300013 2.8500E+00 4.0000E-02 3.4000E+02 2104500300014 ENDDATA 3 0 2104500300015 ENDSUBENT 14 0 2104500399999 SUBENT 21045004 19790831 00002104500400001 BIB 3 4 2104500400002 REACTION (11-NA-23(N,TOT),,WID) 2104500400003 ANALYSIS (AREA ) AREA ANALYSIS. 2104500400004 STATUS (NDD ) FROM NEUDADA. DATA GIVEN IN PUBLICATION. 2104500400005 FROM MEASURED TOTAL CROSS-SECTION. 2104500400006 ENDBIB 4 0 2104500400007 NOCOMMON 0 0 2104500400008 DATA 4 1 2104500400009 EN EN-RSL DATA DATA-ERR 2104500400010 KEV KEV EV EV 2104500400011 2.8500E+00 4.0000E-02 4.0500E+02 1.2000E+01 2104500400012 ENDDATA 3 0 2104500400013 ENDSUBENT 12 0 2104500499999 SUBENT 21045005 19790831 00002104500500001 BIB 3 8 2104500500002 REACTION (11-NA-23(N,0),,J) 2104500500003 ANALYSIS (SHAPE) 2104500500004 .FROM FIRST ESTIMATE OF THE PEAK CROSS-SECTION AND 2104500500005 RATIO OF NEUTRON TO TOTAL WIDTH, ASSUMED TO BE 2104500500006 GREATER THAN 0.99 FROM DATA OF HIBDEN ET AL., 2104500500007 PHYS.REV.,77,(1950),730. 2104500500008 STATUS (NDD ) FROM NEUDADA. DATA ALSO IN PUBLICATION. 2104500500009 FROM MEASURED TOTAL CROSS-SECTION. 2104500500010 ENDBIB 8 0 2104500500011 NOCOMMON 0 0 2104500500012 DATA 3 1 2104500500013 EN EN-RSL DATA 2104500500014 KEV KEV NO-DIM 2104500500015 2.8500E+00 4.0000E-02 1.0000E+00 2104500500016 ENDDATA 3 0 2104500500017 ENDSUBENT 16 0 2104500599999 SUBENT 21045006 19790831 00002104500600001 BIB 4 10 2104500600002 REACTION (11-NA-23(N,TOT),,SIG,,RES) 2104500600003 .PEAK CROSS-SECTION OF THE RESONANCE. 2104500600004 ANALYSIS (SHAPE) 2104500600005 .FROM RESONANCE SPIN AND RATIO OF NEUTRON AND TOTAL 2104500600006 WIDTHS, ASSUMED TO BE GREATER THAN 0.99 FROM DATA 2104500600007 OF HIBDEN ET AL,PHYS.REV.,77,(1950),730. 2104500600008 STATUS (NDD ) FROM NEUDADA. DATA ALSO GIVEN IN PUBLICATION. 2104500600009 DERIVED FROM RESONANCE PARAMETERS OBTAINED 2104500600010 FROM MEASURED TOTAL CROSS-SECTION. 2104500600011 ERR-ANALYS .ERROR MAINLY DUE TO UNCERTAINTY IN RESONANCE ENERGY. 2104500600012 ENDBIB 10 0 2104500600013 NOCOMMON 0 0 2104500600014 DATA 4 1 2104500600015 EN EN-RSL DATA DATA-ERR 2104500600016 KEV KEV B B 2104500600017 2.8500E+00 4.0000E-02 3.7200E+02 5.0000E+00 2104500600018 ENDDATA 3 0 2104500600019 ENDSUBENT 18 0 2104500699999 ENDENTRY 6 0 2104599999999