ENTRY 21421 19800318 00002142100000001 SUBENT 21421001 19800318 00002142100100001 BIB 13 18 2142100100002 INSTITUTE (2UK HAR) 2142100100003 REFERENCE (J,NAT,167,896,5106) 2142100100004 AUTHOR (P.A.EGELSTAFF,B.T.TAYLOR) 2142100100005 TITLE -SLOW NEUTRON CROSS SECTIONS OF ZIRCONIUM AND HAFNIUM- 2142100100006 FACILITY (SPECC) CRYSTAL SPECTROMETER FOR ENERGY RANGE FROM 2142100100007 0.05 EV TO 10 EV. 2142100100008 (CHOPS) MECHANICAL TIME OF FLIGHT SPECTROMETER 2142100100009 FOR ENERGY RANGE FROM 0.003 EV TO 0.1 EV. 2142100100010 INC-SOURCE (REAC ) REACTOR NEUTRONS. 2142100100011 METHOD (TOF ) TIME OF FLIGHT. 2142100100012 DETECTOR (SCIN ) NO DETAILS. 2142100100013 PART-DET (N ) NEUTRONS IN TRANSMISSION. 2142100100014 STATUS .VALUES FROM TEXT, NAT,167,896. 2142100100015 HISTORY (800310C) 2142100100016 (800318E) 2142100100017 CORRECTION .CORRECTED FOR EFFECT OF IMPURITIES. 2142100100018 ERR-ANALYS .ONE STANDARD DEVIATION, PRIMARILLY FROM STATISTICAL 2142100100019 UNCERTAINTIES. 2142100100020 ENDBIB 18 0 2142100100021 NOCOMMON 0 0 2142100100022 ENDSUBENT 21 0 2142100199999 SUBENT 21421002 19860926 00002142100200001 BIB 7 13 2142100200002 REACTION (40-ZR-0(N,EL)40-ZR-0,,SIG,,AV) 2142100200003 SAMPLE .ZIRCONIA, WEIGHT 6.92 GM.CM*2, WITH HAFNIA IMPURITY 2142100200004 OF 0.075 PERCENT BY WEIGHT. 2142100200005 ANALYSIS .SCATTERING CROSS SECTION DERIVED FROM MEASURED 2142100200006 ZIRCONIA TOTAL CROSS SECTION OF 14.6 +- 0.2 B, 2142100200007 LESS THE ASSUMED VALUE OF THE OXYGEN TOTAL CROSS 2142100200008 SECTION OF 3.73 +- 0.04 B. 2142100200009 ASSUMED (ASSUM,8-O-16(N,TOT),,SIG) VALUE TAKEN AS 3.73+-0.04B 2142100200010 COMMENT .THE TOTAL CROSS SECTION IS CONSTANT OVER THE 2142100200011 ENERGY RANGE FROM 0.07 EV TO 10 EV. 2142100200012 STATUS .TEXT, PAGE 896. 2142100200013 HISTORY (800310C) 2142100200014 (800318E) 2142100200015 ENDBIB 13 0 2142100200016 NOCOMMON 0 0 2142100200017 DATA 6 1 2142100200018 EN-MIN EN-MAX DATA DATA-ERR ASSUM ASSUM-ERR 2142100200019 EV EV B B B B 2142100200020 7.0000E-02 1.0000E+01 7.1000E+00 3.0000E-01 3.7300E+00 4.0000E-022142100200021 ENDDATA 3 0 2142100200022 ENDSUBENT 21 0 2142100299999 SUBENT 21421003 19800318 00002142100300001 BIB 4 7 2142100300002 REACTION (72-HF-0(N,G),,SIG) 2200 M/SEC VALUE. 2142100300003 SAMPLE .HAFNIA, 0.818 G/CM*2, WITH A HAFNIA CONTENT OF 2142100300004 98 +- 0.5 PERCENT, THE PRINCIPAL IMPURITY BEING 2142100300005 ZIRCONIA. 2142100300006 ANALYSIS .DERIVED FROM A 1/V FIT TO THE MEASURED TOTAL 2142100300007 CROSS SECTION. 2142100300008 STATUS .TEXT, PAGE 896, CORRECTED FOR REVISED PURITY ANALYSIS.2142100300009 ENDBIB 7 0 2142100300010 NOCOMMON 0 0 2142100300011 DATA 3 1 2142100300012 EN DATA DATA-ERR 2142100300013 EV B B 2142100300014 2.5300E-02 1.3440E+02 8.0000E+00 2142100300015 ENDDATA 3 0 2142100300016 ENDSUBENT 15 0 2142100399999 SUBENT 21421004 19800318 00002142100400001 BIB 5 12 2142100400002 REACTION 1(72-HF-177(N,TOT),,WID,,A) TOTAL WIDTH. 2142100400003 2(72-HF-177(N,TOT),,SIG,,RES/A) PEAK CROSS SECTION 2142100400004 TIMES ISOTOPIC ABUNDANCE FACTOR. 2142100400005 SAMPLE .THIN SAMPLE OF 0.246 G/CM*2 OF HAFNIA, HAFNIA 2142100400006 CONTENT OF 98 +- 0.5 PERCENT, WITH PRINCIPAL IMPURITY 2142100400007 OF ZIRCONIA. 2142100400008 ANALYSIS (AREA ) AREA ANALYSIS, NO DETAILS. 2142100400009 STATUS .TEXT, PAGE 896. 2142100400010 CORRECTION .CORRECTED FOR EFFECT OF SECOND ORDER NEUTRONS, AND 2142100400011 FOR RESOLUTION IN THE REGION OF THE 1.1 AND 2.2 EV 2142100400012 RESONANCES, MAXIMUM RESOLUTION CORRECTIONS WERE 7 2142100400013 AND 17 PERCENT RESPECTIVELY. 2142100400014 ENDBIB 12 0 2142100400015 NOCOMMON 0 0 2142100400016 DATA 6 2 2142100400017 EN-RES EN-RES-ERR DATA 1DATA-ERR 1DATA 2DATA-ERR 22142100400018 EV EV EV EV B B 2142100400019 1.1000E+00 5.0000E-02 1.1300E-01 2.0000E-02 3.1000E+03 2.0000E+022142100400020 2.2000E+00 8.0000E-02 1.6000E-01 3.0000E-02 3.2000E+03 2.0000E+022142100400021 ENDDATA 4 0 2142100400022 ENDSUBENT 21 0 2142100499999 SUBENT 21421005 19800318 00002142100500001 BIB 4 8 2142100500002 REACTION (72-HF-0(N,EL)72-HF-0,,SIG) CONSTANT VALUE OVER ENERGY 2142100500003 RANGE FROM 0.003 TO 10 EV. 2142100500004 SAMPLE .HAFNIA, THIN SAMPLE OF 0.246 GM/CM*2, HAFNIA 2142100500005 CONTENT 98.0 +- 0.5 PERCENT. 2142100500006 ANALYSIS .FIT TO MEASURED TOTAL CROSS SECTION WITH DERIVED 2142100500007 RESONANCE PARAMETERS AND A CONSTANT SCATTERING TERM. 2142100500008 STATUS .TEXT, PAGE 896, CORRECTED FOR REVISED PURITY ADDED 2142100500009 IN PROOF. 2142100500010 ENDBIB 8 0 2142100500011 NOCOMMON 0 0 2142100500012 DATA 3 1 2142100500013 EN-MIN EN-MAX DATA 2142100500014 EV EV B 2142100500015 3.0000E-03 1.0000E+01 1.4200E+01 2142100500016 ENDDATA 3 0 2142100500017 ENDSUBENT 16 0 2142100599999 ENDENTRY 5 0 2142199999999