ENTRY 21646 19830324 00002164600000001 SUBENT 21646001 19830324 00002164600100001 BIB 15 36 2164600100002 INSTITUTE (2UK HAR) EXPERIMENTAL SITE. 2164600100003 (2UK BIR) AUTHOR M.T.SWINHOE. 2164600100004 REFERENCE (P,NEANDC(E)-212,(8),52,8003) 2164600100005 (P,NEANDC(E)-202,(8),54,7904) 2164600100006 AUTHOR (M.T.SWINHOE,C.A.UTTLEY) 2164600100007 TITLE --VERIFICATION OF TRITIUM ACTIVATION MEASUREMENTS BY 2164600100008 LI-6(N,A+T) CROSS-SECTION DETERMINATION-. 2164600100009 FACILITY (REAC ) THE GLEEP REACTOR AT HARWELL. 2164600100010 INC-SOURCE (REAC ) THERMAL NEUTRONS FROM THE GLEEP REACTOR. 2164600100011 INC-SPECT .MAXWELLIAN AVERAGE THERMAL NEUTRONS. 2164600100012 SAMPLE .DIFFERENT LI-6/LI-7 ISOTOPIC RATIOS, MANUFACTURED BY 2164600100013 DISSOLVING THE ORIGINAL LIOH MATERIAL AND DRYING AT 2164600100014 120 DEGREES TO GIVE HOMOGENEOUS MATERIAL. 2164600100015 METHOD .THE CADMIUM RATIO METHOD. 2164600100016 DETECTOR .NO INFORMATION GIVEN. 2164600100017 COMMENT .THIS MEASUREMENT WERE CARRIED OUT AS A CHECK ON THE 2164600100018 TRITIUM COUNTING SYSTEM, WHICH HAS BEEN USED TO 2164600100019 MEASURE THE LI-7(N,N+T) REACTION (SEE EXFOR ENTRY 2164600100020 20986). 2164600100021 STATUS .DATA TAKEN FROM NEANDC(E)-212. 2164600100022 HISTORY (800812C) CN. 2164600100023 (800829E) 2164600100024 (821124A) REACTION STRING IN SUBWORK 2 CORRECTED. 2164600100025 (830111E) 2164600100026 CORRECTION .THE TWO HIGHEST CONCENTRATIONS OF LI-6 REQUIRED 2164600100027 CORRECTIONS FOR SELF-SHIELDING EFFECTS OF 17 AND 2164600100028 23 PERCENT. 2164600100029 .THE EFFECT OF SELF-SHIELDING ON THE LOWEST CONCENTRA- 2164600100030 TION WAS NEGLIGIBLE. 2164600100031 ERR-ANALYS .THE SIGNIFICANT CONTRIBUTIONS TO THE ERROR ARE, 2164600100032 - TRITIUM COUNTING (2.2 PERCENT), 2164600100033 - REACTOR FLUX (2 PERCENT), 2164600100034 - THE LI-6/LI-7 RATIO FOR THE LOWEST CONCENTRATION 2164600100035 PELLET (5 PERCENT), 2164600100036 - AND FOR THE TWO HIGHER CONCENTRATIONS THE 2164600100037 CORRECTION FOR SELF-SHIELDING (3 PERCENT). 2164600100038 ENDBIB 36 0 2164600100039 COMMON 1 3 2164600100040 EN-DUMMY 2164600100041 EV 2164600100042 2.5300E-02 2164600100043 ENDCOMMON 3 0 2164600100044 ENDSUBENT 43 0 2164600199999 SUBENT 21646002 19821124 00002164600200001 BIB 5 13 2164600200002 REACTION (3-LI-6(N,T)2-HE-4,,SIG,,MXW) 2164600200003 COMMENT .DATA COMPARED WITH STANDARD VALUE 936 +- 4 BARN. 2164600200004 FLAG (1.) LI-6/LI-7 RATIO (7.5 +- 0.4)E-05 FROM MASS 2164600200005 SPECTROSCOPY. 2164600200006 (2.) LI-6/LI-7 RATIO (6.02 +- 0.05)E-03 FROM MASS 2164600200007 SPECTROSCOPY. 2164600200008 (3.) LI-6/LI-7 RATIO (9.40 +- 0.08)E-03 FROM MASS 2164600200009 SPECTROSCOPY. 2164600200010 STATUS .TABLE 1.7. 2164600200011 HISTORY (800812C) 2164600200012 (800829E) 2164600200013 (821124A) REACTION STRING CORRECTED. 2164600200014 (830111E) 2164600200015 ENDBIB 13 0 2164600200016 NOCOMMON 0 0 2164600200017 DATA 3 4 2164600200018 DATA DATA-ERR FLAG 2164600200019 B B NO-DIM 2164600200020 9.2400E+02 5.4000E+01 1.0000E+00 2164600200021 9.3600E+02 4.0000E+01 2.0000E+00 2164600200022 9.4600E+02 4.1000E+01 3.0000E+00 2164600200023 9.9400E+02 4.3000E+01 3.0000E+00 2164600200024 ENDDATA 6 0 2164600200025 ENDSUBENT 24 0 2164600299999 ENDENTRY 2 0 2164699999999