ENTRY 20642 19840127 00002064200000001 SUBENT 20642001 19840127 00002064200100001 BIB 14 34 2064200100002 INSTITUTE (2UK NPL) 2064200100003 REFERENCE (J,JNE,22,465,6808) 2064200100004 AUTHOR (T.B.RYVES,J.B.HUNT,I.W.GOODIER) 2064200100005 TITLE -A MEASUREMENT OF THE MANGANESE ACTIVATION RESONANCE 2064200100006 INTEGRAL USING THE MANGANESE BATH TECHNIQUE.- 2064200100007 INC-SOURCE (PHOTO) 1 C SB-BE SOURCE,STRENGTH = 2.0E+6 N/SEC 2064200100008 METHOD (ACTIV) MANGANESE BATH TECHNIQUE,THE SOURCE WAS 2064200100009 MOUNTED IN A 9-CM DIAMETER SPHERICAL POLYSTYRENE 2064200100010 CAVITY OF WALL THICKNESS 1 MM,AT THE CENTRE OF A 50- 2064200100011 CM DIAMETER SPHERICAL BATH,CONTAINING DILUTE MANGA- 2064200100012 NESE SULPHATE SOLUTION WITH VARIOUS AMOUNTS OF BORON 2064200100013 IN FORM OF AMMONIUM HYDROGEN TETRABORATE . 2064200100014 DETECTOR .SATURATE MN-56 ACTIVITY WAS MEASURED AS DESCRIBED 2064200100015 BY AXTON ET AL IN REFERENCE JNE,19(1965)409. 2064200100016 MONITOR (1-H-1(N,EL)1-H-1,,SIG) AVERAGE CROSS SECTION TAKEN AS 2064200100017 20 B AT 337 EV, THE PRINCIPAL RESONANCE ENERGY IN MN. 2064200100018 ASSUMED (ASSUM1,1-H-1(N,G)1-H-2,,SIG,,MXW) VALUE TAKEN AS 0.3322064200100019 (ASSUM2,16-S-0(N,G),,SIG,,MXW) VALUE TAKEN AS 0.52 B. 2064200100020 (ASSUM3,25-MN-55(N,G)25-MN-56,,SIG,,MXW) VALUE 13.25 B.2064200100021 (ASSUM4,5-B-0(N,ABS),,SIG,,MXW) VALUE TAKEN AS 759 B. 2064200100022 COMMENT .NEW METHOD FOR MEASURING OF RESONANCE INTEGRAL OF 2064200100023 MANGANESE. 2064200100024 STATUS .TAKEN FROM J.NUCL.ENERGY,22(1968)465. 2064200100025 HISTORY (760526C) 2064200100026 (770331E) 2064200100027 (801208A) MONITOR CORRECTED. 2064200100028 (801218E) 2064200100029 CORRECTION .FOR RESONANCE SELF-SHIELDING OF SOLUTION. 2064200100030 ERR-ANALYS .COUNTING ERROR LESS THAN 0.3 PER CENT. 2064200100031 .UNCERTAINTY IN THE BORON CONCENTRATION AND CROSS 2064200100032 SECTION FOR THE SOLUTION +- 1 PER CENT SYSTEMATIC 2064200100033 AND +-1 PERCENT RANDOM WHICH BOTH CORRESPOND TO +-15 P2064200100034 UNCERTAINTY IN THE MN RESONANCE INTEGRAL. 2064200100035 (ERR-T) TOTAL ERROR FOR RESONANCE INTEGRAL +- 30 PER CE2064200100036 ENDBIB 34 0 2064200100037 COMMON 6 3 2064200100038 EN-NRM MONIT ASSUM1 ASSUM2 ASSUM3 ASSUM4 2064200100039 EV B B B B B 2064200100040 3.3700E+02 2.0000E+01 3.3200E-01 5.2000E-01 1.3250E+01 7.5900E+022064200100041 ENDCOMMON 3 0 2064200100042 ENDSUBENT 41 0 2064200199999 SUBENT 20642002 19840127 00002064200200001 BIB 3 7 2064200200002 REACTION (25-MN-55(N,G)25-MN-56,,RI,,RNV) RESONANCE INTEGRAL 2064200200003 WITHOUT 1/V-CONTRIBUTION 2064200200004 STATUS .PAGE 469, JNE,22,465. 2064200200005 HISTORY (760526C) 2064200200006 (770331E) 2064200200007 (801208A) REACTION RE-CODED. 2064200200008 (801218E) 2064200200009 ENDBIB 7 0 2064200200010 NOCOMMON 0 0 2064200200011 DATA 3 1 2064200200012 EN-MIN DATA ERR-T 2064200200013 EV B B 2064200200014 6.0000E-01 5.7000E+00 1.7000E+00 2064200200015 ENDDATA 3 0 2064200200016 ENDSUBENT 15 0 2064200299999 ENDENTRY 2 0 2064299999999