ENTRY 21966 19860106 00002196600000001 SUBENT 21966001 19860106 00002196600100001 BIB 10 26 2196600100002 INSTITUTE (2UK HAR) 2196600100003 REFERENCE (J,NSE,89,261,8503) 2196600100004 AUTHOR (M.T.SWINHOE,C.A.UTTLEY) 2196600100005 TITLE -AN ABSOLUTE MEASUREMENT OF THE LI-7(N,N'AT) 2196600100006 REACTION CROSS SECTION BETWEEN 5 AND 14 MEV 2196600100007 BY TRITIUM ASSAYING.- 2196600100008 SAMPLE .LITHIUM SAMPLES 99.8 PERCENT LI-7, IN A LITHIUM 2196600100009 HYDROXIDE COMPRESSED PELLET, ENCLOSED IN A 1 MM THICK 2196600100010 CADMIUM CASE. 2196600100011 METHOD (ACTIV) ACTIVATION. 2196600100012 COMMENT .THE TRITIUM PRODUCED IS COUNTED USING A LIQUID 2196600100013 SCINTILLATION TECHNIQUE. THE COUNTING EFFICIENCY 2196600100014 OF EACH VIAL WAS DETERMINED USING THE EXTERNAL 2196600100015 STANDARDS CHANNELS RATIO TECHNIQUE, WITH A QUENCH 2196600100016 CURVE OBTAINED BY USING STANDARD TRITIATED WATER 2196600100017 ADDED TO SOLUTIONS MADE WITH UNIRRADIATED PELLETS. 2196600100018 THE BACKGROUND WAS ALSO FOUND USING UNIRRADIATED 2196600100019 PELLETS. 2196600100020 STATUS .DATA TAKEN FROM MAIN REFERENCE 2196600100021 HISTORY (850625C) IF 2196600100022 (850723E) 2196600100023 (851009U)HH. 2196600100024 (860106E) 2196600100025 ERR-ANALYS (ERR-6) LABILE FRACTION 2196600100026 (ERR-7) NUMBER OF LI-7 ATOMS 2196600100027 (ERR-9) TRITIUM HALF-LIFE 2196600100028 ENDBIB 26 0 2196600100029 COMMON 3 3 2196600100030 ERR-6 ERR-7 ERR-9 2196600100031 PER-CENT PER-CENT PER-CENT 2196600100032 1.0000E-01 5.4000E-01 8.0000E-01 2196600100033 ENDCOMMON 3 0 2196600100034 ENDSUBENT 33 0 2196600199999 SUBENT 21966002 19851108 00002196600200001 BIB 8 19 2196600200002 REACTION (3-LI-7(N,N+T)2-HE-4,,SIG) 2196600200003 FACILITY (VDGT ) TANDEM VAN DE GRAAF ACCELERATOR AT HARWELL. 2196600200004 INC-SOURCE (D-D ) D(D,N)HE-3 REACTION, USING A 10 CM LONG GAS 2196600200005 CELL FILLED TO 2 ATM. 2196600200006 DETECTOR (SCIN ) NE 213 LIQUID SCINTILLATOR, ABSOLUTE EFFICIENCY2196600200007 CALIBRATED, WAS USED AS NEUTRON MONITOR. 2196600200008 (SCIN ) LIQUID SCINTILLATOR AS BETA COUNTER. 2196600200009 DECAY-DATA (1-H-3,,B) NO INFORMATION GIVEN. 2196600200010 STATUS .DATA TAKEN FROM THE MAIN REFERENCE 2196600200011 HISTORY (850625C) 2196600200012 (850723E) 2196600200013 ERR-ANALYS (ERR-T) TOTAL ERROR 2196600200014 (ERR-1) DEUTERON BREAK UP CORRECTION. 2196600200015 (ERR-2) SAMPLE GEOMETRY. 2196600200016 (ERR-3) TRITIUM COUNTING STATISTICS. 2196600200017 (ERR-5) MULTIPLE SCATTERING CORRECTION 2196600200018 (ERR-8) TRITIUM EFFICINCY CALIBRATION 2196600200019 (ERR-10) TRITIUM BACKGROUND 2196600200020 (ERR-11) NEUTRON DETECTOR EFFIECIENCY. 2196600200021 ENDBIB 19 0 2196600200022 NOCOMMON 0 0 2196600200023 DATA 11 5 2196600200024 EN EN-RSL DATA ERR-T ERR-1 ERR-2 2196600200025 ERR-3 ERR-5 ERR-8 ERR-10 ERR-11 2196600200026 MEV PER-CENT MB PER-CENT PER-CENT PER-CENT 2196600200027 PER-CENT PER-CENT PER-CENT PER-CENT PER-CENT 2196600200028 5.4700E+00 3.7000E+00 3.0100E+02 1.0000E+01 2.3000E+002196600200029 2.1000E+00 9.4000E-01 4.6600E+00 7.6400E+00 2.9000E+00 2196600200030 7.3500E+00 2.9000E+00 3.4400E+02 8.3000E+00 1.5000E+002196600200031 1.9000E+00 6.4000E-01 4.2100E+00 6.2000E+00 2.5000E+00 2196600200032 9.7200E+00 5.2000E+00 3.3200E+02 5.9000E+00 4.4000E+002196600200033 1.1000E+00 3.4000E-01 2.4300E+00 7.0000E-01 2.5000E+00 2196600200034 9.7700E+00 2.9000E+00 3.2700E+02 6.4000E+00 1.5000E+002196600200035 1.6000E+00 3.4000E-01 3.5100E+00 4.0400E+00 2.5000E+00 2196600200036 1.1760E+01 2.9000E+00 2.9700E+02 5.2000E+00 1.4000E+00 1.5000E+002196600200037 1.3000E+00 3.0000E-01 2.9600E+00 2.3400E+00 2.5000E+00 2196600200038 ENDDATA 14 0 2196600200039 ENDSUBENT 38 0 2196600299999 SUBENT 21966003 19860206 00002196600300001 BIB 12 29 2196600300002 REACTION (3-LI-7(N,N+T)2-HE-4,,SIG) 2196600300003 FACILITY (CCW ) COCKROFT-WALTON ACCELERATOR AT HARWELL. 2196600300004 INC-SOURCE (D-T ) THE T(D,N)HE-4 REACTION USING A TITANIUM 2196600300005 TRITIDE TARGET. 2196600300006 METHOD (ASSOP) ASSOCIATED ALPHA PARTICLES FROM D-T REACTION 2196600300007 ARE MEASURED TO MONITOR THE NEUTRON FLUX. 2196600300008 DETECTOR (SOLST) SILICON SURFACE BARRIER DETECTOR FOR THE 2196600300009 DETECTION OF THE ASSOCIATED ALPHAS. (NEUTRON FLUX). 2196600300010 (SCIN ) LIQUID SCINTILLATOR AS BETA COUNTER. 2196600300011 (GELI ) FOR THE MEASUREMENT OF THE ACTIVATION OF THE 2196600300012 MONITOR FOILS. 2196600300013 DECAY-DATA (1-H-3,,B) NO INFORMATION GIVEN. 2196600300014 MONITOR (13-AL-27(N,A)11-NA-24,,SIG) 2196600300015 DECAY-MON (11-NA-24,,DG,1369.0) NO FURTHER INFORMATION GIVEN. 2196600300016 PART-DET (B ) BETA PARTICLES FROM THE TRITIUM PRODUCED BY 2196600300017 ACTIVATION. 2196600300018 (DG ) DECAY GAMMAS FROM NA-24 2196600300019 (A ) ASSOCIATED ALPHA PARTICLES. 2196600300020 STATUS .DATA TAKEN FROM THE MAIN REFERENCE 2196600300021 HISTORY (850625C) IF. 2196600300022 (850723E) 2196600300023 ERR-ANALYS (ERR-2) SAMPLE GEOMETRY. 2196600300024 (ERR-3) TRITIUM COUNTING STATISTICS. 2196600300025 (ERR-4) SODIUM COUNTING STATISTICS. 2196600300026 (ERR-5) MULTIPLE SCATTERING CORRECTION 2196600300027 (ERR-12) AL-27(N,A) CROSS SECTIONS 2196600300028 (ERR-13) NA-24 DETECTION EFFICIENCY 2196600300029 (ERR-14) ALPHA-PARTICLE FLUX MONITOR 2196600300030 (MONIT-ERR) ERROR OF THE MONITOR REACTION. 2196600300031 ENDBIB 29 0 2196600300032 COMMON 10 6 2196600300033 EN MONIT MONIT-ERR ERR-2 ERR-3 ERR-4 2196600300034 ERR-5 ERR-12 ERR-13 ERR-14 2196600300035 MEV MB MB PER-CENT PER-CENT PER-CENT 2196600300036 PER-CENT PER-CENT PER-CENT PER-CENT 2196600300037 1.4100E+01 1.2360E+02 2.3000E+00 1.9000E+00 1.2000E+00 1.0000E+002196600300038 3.2000E-01 1.9000E+00 1.1000E+00 1.0000E+00 2196600300039 ENDCOMMON 6 0 2196600300040 DATA 4 2 2196600300041 DATA ERR-T ERR-8 ERR-10 2196600300042 MB PER-CENT PER-CENT PER-CENT 2196600300043 2.3500E+02 4.8000E+00 2.7300E+00 1.6400E+00 2196600300044 2.4200E+02 4.7000E+00 2.6800E+00 1.4900E+00 2196600300045 ENDDATA 4 0 2196600300046 ENDSUBENT 45 0 2196600399999 SUBENT 21966004 19860206 00002196600400001 BIB 10 32 2196600400002 REACTION (3-LI-7(N,N+T)2-HE-4,,SIG) 2196600400003 FACILITY (VDGT ) TANDEM VAN DE GRAAF ACCELERATOR AT HARWELL. 2196600400004 INC-SOURCE (D-D ) D(D,N)HE-3 REACTION, USING A 10 CM LONG GAS 2196600400005 CELL FILLED TO 2 ATM. 2196600400006 DETECTOR (SCIN ) NE 213 LIQUID SCINTILLATOR, ABSOLUTE EFFICIENCY2196600400007 CALIBRATED, WAS USED AS NEUTRON MONITOR. 2196600400008 (SCIN ) LIQUID SCINTILLATOR FOR BETA COUNTING. 2196600400009 (GELI ) CALIBRATED GE(LI) DETECTOR TO MEASURE THE 2196600400010 THE MONITOR FOIL ACTIVATION. 2196600400011 DECAY-DATA (1-H-3,,B) NO INFORMATION GIVEN. 2196600400012 (27-CO-58-G,,DG,810.) NO FURTHER INFORMATION GIVEN. 2196600400013 MONITOR (28-NI-58(N,P)27-CO-58,,SIG) 2196600400014 PART-DET (B ) BETA PARTICLES FROM THE TRITIUM PRODUCED BY 2196600400015 ACTIVATION. 2196600400016 STATUS .DATA TAKEN FROM THE MAIN REFERENCE 2196600400017 HISTORY (850625C) IF. 2196600400018 (850723E) 2196600400019 (851009U)HH. 2196600400020 (860106E) 2196600400021 ERR-ANALYS (EN-RSL) TOTAL ENERGY SPREAD OF THE INCOMING NEUTRONS 2196600400022 THE CONTRIBUTIONS TO THIS TOTAL SPREAD FROM THE 2196600400023 GEOMETRY OF THE EXPERIMENT AND FROM THE ENERGY LOSS 2196600400024 OF THE DEUTERONS IN THE DEUTERIUM TARGET ARE LISTED 2196600400025 IN TABLE 1 OF AERE-R-9929. 2196600400026 (ERR-T) TOTAL ERROR 2196600400027 (ERR-2) SAMPLE GEOMETRY. 2196600400028 (ERR-3) TRITIUM COUNTING STATISTICS. 2196600400029 (ERR-5) MULTIPLE SCATTERING CORRECTION 2196600400030 (ERR-8) TRITIUM EFFICINCY CALIBRATION 2196600400031 (ERR-10) TRITIUM BACKGROUND 2196600400032 (ERR-11) NEUTRON DETECTOR EFFIECIENCY. 2196600400033 (MONIT-ERR) ERROR OF THE MONITOR REACTION. 2196600400034 ENDBIB 32 0 2196600400035 COMMON 2 3 2196600400036 MONIT MONIT-ERR 2196600400037 MB MB 2196600400038 4.1400E+02 2.0000E+01 2196600400039 ENDCOMMON 3 0 2196600400040 DATA 10 1 2196600400041 EN EN-RSL DATA ERR-T ERR-2 ERR-3 2196600400042 ERR-5 ERR-8 ERR-10 ERR-11 2196600400043 MEV PER-CENT MB PER-CENT PER-CENT PER-CENT 2196600400044 PER-CENT PER-CENT PER-CENT PER-CENT 2196600400045 4.5700E+00 5.6000E+00 7.3000E+01 1.8600E+01 4.4000E+00 3.3000E+002196600400046 1.1000E+00 7.3300E+00 1.5800E+01 3.4000E+00 2196600400047 ENDDATA 6 0 2196600400048 ENDSUBENT 47 0 2196600499999 ENDENTRY 4 0 2196699999999