ENTRY 22148 19910617 00002214800000001 SUBENT 22148001 19910617 00002214800100001 BIB 15 50 2214800100002 REFERENCE (J,ANE,17,107,90) MAIN REFERENCE 2214800100003 (J,JP/G,7,529,81) DETAILS OF EXPERIMENTAL TECHNIQUE. 2214800100004 TITLE - HO, PB AND BI CROSS SECTIONS FOR 14.3 MEV NEUTRONS. 2214800100005 AUTHOR (T.B.RYVES,P.KOLKOWSKI,A.C.HOOLEY) 2214800100006 INSTITUTE (2UK NPL) 2214800100007 FACILITY .NPL SAMES ACCELERATOR PRODUCING 150 KEV DEUTERON BEAM.2214800100008 INC-SOURCE (D-T ) SOLID TI-T TARGET BACKED WITH THIN PURE AL. 2214800100009 THE ENERGY OF THE NEUTRONS IN THE GEOMETRY OF THE 2214800100010 SAMPLES UNDER INVESTIGATION RANGED FROM 14.0 - 2214800100011 14.8 MEV, WITH A MEAN OF 14.3 MEV. 2214800100012 METHOD (ACTIV) 2214800100013 (GSPEC) PB SAMPLES AND 165-HO(N,A). 2214800100014 (BSPEC) 4PI BETA COUNTING. BI SAMPLES AND 165-HO(N,P). 2214800100015 DETECTOR (GE-IN) DURING ASSAYING OF GAMMAS A 0.9 G/CM2 PERSPEX 2214800100016 ABSORBER WAS PLACED BETWEEN THE SAMPLE AND THE 2214800100017 DETECTOR TO ABSORB ALL BETAS. 2214800100018 MONITOR (26-FE-56(N,P)25-MN-56,,SIG) 2214800100019 MONIT-REF (,,R,EUR-11912-EN,90) 2214800100020 SAMPLE .THIN 2.54 CM DIAMETER NATURAL METAL FOILS SANDWICHED 2214800100021 BETWEEN STANDARD FE FOILS OF THE SAME DIAMETER AND 2214800100022 IN CONTACT WITH THE TARGET. IN THE CASE OF HO AND BI 2214800100023 THIN PROTECTING FOILS OF HO AND BI RESPECTIVELY WERE 2214800100024 INTERPOSED BETWEEN THE FE AND THE METAL UNDER 2214800100025 INVESTIGATION TO BLOCK 56-MN RECOILS FROM THE FE. 2214800100026 THE DETAILS OF THE FOILS ARE AS FOLLOWS: 2214800100027 FE 80 MG/CM2 99.99% PURITY 2214800100028 PB 1160 MG/CM2 99.93% PURITY 2214800100029 BI 30 MG/CM2 99.97% PURITY 2214800100030 HO 10 - 30 AND 460 MG/CM2 99.9% PURITY. 2214800100031 TO PREVENT CONTAMINATION WITH TRITIUM THE SAMPLES 2214800100032 WERE WRAPPED IN THIN AG FOIL DURING IRRADIATION. 2214800100033 CORRECTION .ENERGY ATTENUATION IN SAMPLE, DETECTOR EFFICIENCY 2214800100034 AND COUNTING GEOMETRY, BETA AND GAMMA IMPURITIES, 2214800100035 GAMMA SUMMING AND DEAD-TIME. 2214800100036 COVARIANCE .THE CORRELATION MATRIX FROM THE SIMULTANEOUS 2214800100037 ASSAYING OF THE FIVE GAMMA RAYS CONSIDERED IN THE 2214800100038 ANALYSIS OF THE PB SAMPLE IS GIVEN BELOW, MATRIX 2214800100039 ELEMENTS IN PERCENT: 2214800100040 REACTION GAMMA ENERGY CORRELATION MATRIX 2214800100041 KEV 2214800100042 208-PB(N,P) 583 100 11 8 8 10 2214800100043 204-PB(N,INL) 374 11 100 41 38 53 2214800100044 204-PB(N,INL) 899 8 41 100 33 46 2214800100045 204-PB(N,INL) 912 8 38 33 100 44 2214800100046 204-PB(N,2N) 279 10 53 46 44 100 2214800100047 STATUS .DATA TAKEN FROM MAIN REFERENCE. 2214800100048 HISTORY (900907C) S.W. 2214800100049 (900917E) 2214800100050 (910124U) S.W. ERR-ANALYS MOVED FROM SUBENT 001 2214800100051 (910205E) 2214800100052 ENDBIB 50 0 2214800100053 COMMON 4 3 2214800100054 EN-MEAN EN-ERR MONIT MONIT-ERR 2214800100055 MEV MEV MB MB 2214800100056 1.4300E+01 1.0000E-01 1.1290E+02 1.0000E+00 2214800100057 ENDCOMMON 3 0 2214800100058 ENDSUBENT 57 0 2214800199999 SUBENT 22148002 19910124 00002214800200001 BIB 5 15 2214800200002 REACTION (67-HO-165(N,P)66-DY-165,,SIG) 2214800200003 DECAY-DATA (66-DY-165-G,2.334HR,B-,1285.,0.83, 2214800200004 B-,1190.,0.15, 2214800200005 B-,305.,0.017) 2214800200006 ERR-ANALYS .ONE SIGMA UNCERTAINTIES: 2214800200007 (ERR-T) TOTAL ERROR 2214800200008 (ERR-S) STATISTICAL ERROR 2214800200009 (ERR-1) FLUENCE AND ENERGY 2214800200010 (ERR-2) BETA OR GAMMA EFFICIENCY 2214800200011 (ERR-5) HALF-LIFE 2214800200012 STATUS .DATA TAKEN FROM MAIN REFERENCE. 2214800200013 HISTORY (900907C) S.W. 2214800200014 (900917E) 2214800200015 (910124U) S.W. ERR-ANALYS MOVED FROM SUBENT 001 2214800200016 (910205E) 2214800200017 ENDBIB 15 0 2214800200018 NOCOMMON 0 0 2214800200019 DATA 6 1 2214800200020 DATA ERR-T ERR-S ERR-1 ERR-2 ERR-5 2214800200021 MB PER-CENT PER-CENT PER-CENT PER-CENT PER-CENT 2214800200022 4.0700E+00 6.7000E+00 6.2000E+00 1.5000E+00 2.5000E+00 7.0000E-012214800200023 ENDDATA 3 0 2214800200024 ENDSUBENT 23 0 2214800299999 SUBENT 22148003 19910124 00002214800300001 BIB 5 19 2214800300002 REACTION (67-HO-165(N,A)65-TB-162,,SIG) 2214800300003 DECAY-DATA (65-TB-162,7.76MIN,DG,807.,0.428, 2214800300004 DG,882.,0.134, 2214800300005 DG,888.,0.387) 2214800300006 ERR-ANALYS .ONE SIGMA UNCERTAINTIES: 2214800300007 (ERR-T) TOTAL ERROR 2214800300008 (ERR-S) STATISTICAL ERROR 2214800300009 (ERR-1) FLUENCE AND ENERGY 2214800300010 (ERR-2) BETA OR GAMMA EFFICIENCY 2214800300011 (ERR-3) GAMMA INTENSITY 2214800300012 (ERR-4) GAMMA COUNTING GEOMETRY 2214800300013 (ERR-5) HALF-LIFE 2214800300014 (ERR-7) GAMMA SUMMING 2214800300015 (ERR-8) GAMMA DEAD-TIME 2214800300016 STATUS .DATA TAKEN FROM MAIN REFERENCE. 2214800300017 HISTORY (900907C) S.W. 2214800300018 (900917E) 2214800300019 (910124U) S.W. ERR-ANALYS MOVED FROM SUBENT 001 2214800300020 (910205E) 2214800300021 ENDBIB 19 0 2214800300022 NOCOMMON 0 0 2214800300023 DATA 10 1 2214800300024 DATA ERR-T ERR-S ERR-1 ERR-2 ERR-3 2214800300025 ERR-4 ERR-5 ERR-7 ERR-8 2214800300026 MB PER-CENT PER-CENT PER-CENT PER-CENT PER-CENT 2214800300027 PER-CENT PER-CENT PER-CENT PER-CENT 2214800300028 6.8000E-01 5.0000E+00 2.6000E+00 3.0000E+00 2.0000E+00 1.0000E+002214800300029 1.0000E+00 1.3000E+00 4.0000E-01 1.0000E+00 2214800300030 ENDDATA 6 0 2214800300031 ENDSUBENT 30 0 2214800399999 SUBENT 22148004 19910124 00002214800400001 BIB 6 19 2214800400002 REACTION (82-PB-204(N,INL)82-PB-204-M,,SIG) 2214800400003 DECAY-DATA (82-PB-204-M,67.2MIN,DG,374.,0.90, 2214800400004 DG,899.,0.9918, 2214800400005 DG,912.,0.97) 2214800400006 ERR-ANALYS .ONE SIGMA UNCERTAINTIES: 2214800400007 (ERR-T) TOTAL ERROR 2214800400008 (ERR-S) STATISTICAL ERROR 2214800400009 (ERR-1) FLUENCE AND ENERGY 2214800400010 (ERR-2) BETA OR GAMMA EFFICIENCY 2214800400011 (ERR-3) GAMMA INTENSITY 2214800400012 (ERR-4) GAMMA COUNTING GEOMETRY 2214800400013 (ERR-5) HALF-LIFE 2214800400014 (ERR-7) GAMMA SUMMING 2214800400015 FLAG (1.) ERR-3 CORRESPONDS TO THE 899 KEV GAMMA RAY. 2214800400016 STATUS .DATA TAKEN FROM MAIN REFERENCE. 2214800400017 HISTORY (900907C) S.W. 2214800400018 (900917E) 2214800400019 (910124U) S.W. ERR-ANALYS MOVED FROM SUBENT 001 2214800400020 (910205E) 2214800400021 ENDBIB 19 0 2214800400022 NOCOMMON 0 0 2214800400023 DATA 10 1 2214800400024 DATA ERR-T ERR-S ERR-1 ERR-2 ERR-3 2214800400025 FLAG ERR-4 ERR-5 ERR-7 2214800400026 MB PER-CENT PER-CENT PER-CENT PER-CENT PER-CENT 2214800400027 NO-DIM PER-CENT PER-CENT PER-CENT 2214800400028 7.4400E+01 3.9000E+00 8.0000E-01 3.0000E+00 2.0000E+00 1.0000E-012214800400029 1.0000E+00 1.0000E+00 5.0000E-01 4.0000E-01 2214800400030 ENDDATA 6 0 2214800400031 ENDSUBENT 30 0 2214800499999 SUBENT 22148005 19910124 00002214800500001 BIB 5 15 2214800500002 REACTION (82-PB-204(N,2N)82-PB-203,,SIG) 2214800500003 DECAY-DATA (82-PB-203-G,51.873HR,DG,279.,0.808) 2214800500004 ERR-ANALYS .ONE SIGMA UNCERTAINTIES: 2214800500005 (ERR-T) TOTAL ERROR 2214800500006 (ERR-S) STATISTICAL ERROR 2214800500007 (ERR-1) FLUENCE AND ENERGY 2214800500008 (ERR-2) BETA OR GAMMA EFFICIENCY 2214800500009 (ERR-3) GAMMA INTENSITY 2214800500010 (ERR-4) GAMMA COUNTING GEOMETRY 2214800500011 (ERR-7) GAMMA SUMMING 2214800500012 STATUS .DATA TAKEN FROM MAIN REFERENCE. 2214800500013 HISTORY (900907C) S.W. 2214800500014 (900917E) 2214800500015 (910124U) S.W. ERR-ANALYS MOVED FROM SUBENT 001 2214800500016 (910205E) 2214800500017 ENDBIB 15 0 2214800500018 NOCOMMON 0 0 2214800500019 DATA 8 1 2214800500020 DATA ERR-T ERR-S ERR-1 ERR-2 ERR-3 2214800500021 ERR-4 ERR-7 2214800500022 MB PER-CENT PER-CENT PER-CENT PER-CENT PER-CENT 2214800500023 PER-CENT PER-CENT 2214800500024 2.2100E+03 5.1000E+00 5.0000E-01 3.0000E+00 4.0000E+00 2.0000E-012214800500025 1.0000E+00 4.0000E-01 2214800500026 ENDDATA 6 0 2214800500027 ENDSUBENT 26 0 2214800599999 SUBENT 22148006 19910124 00002214800600001 BIB 5 16 2214800600002 REACTION (82-PB-208(N,P)81-TL-208,,SIG) 2214800600003 DECAY-DATA (81-TL-208,3.053MIN,DG,583.,0.845) 2214800600004 ERR-ANALYS .ONE SIGMA UNCERTAINTIES: 2214800600005 (ERR-T) TOTAL ERROR 2214800600006 (ERR-S) STATISTICAL ERROR 2214800600007 (ERR-1) FLUENCE AND ENERGY 2214800600008 (ERR-2) BETA OR GAMMA EFFICIENCY 2214800600009 (ERR-3) GAMMA INTENSITY 2214800600010 (ERR-4) GAMMA COUNTING GEOMETRY 2214800600011 (ERR-5) HALF-LIFE 2214800600012 (ERR-7) GAMMA SUMMING 2214800600013 STATUS .DATA TAKEN FROM MAIN REFERENCE. 2214800600014 HISTORY (900907C) S.W. 2214800600015 (900917E) 2214800600016 (910124U) S.W. ERR-ANALYS MOVED FROM SUBENT 001 2214800600017 (910205E) 2214800600018 ENDBIB 16 0 2214800600019 NOCOMMON 0 0 2214800600020 DATA 9 1 2214800600021 DATA ERR-T ERR-S ERR-1 ERR-2 ERR-3 2214800600022 ERR-4 ERR-5 ERR-7 2214800600023 MB PER-CENT PER-CENT PER-CENT PER-CENT PER-CENT 2214800600024 PER-CENT PER-CENT PER-CENT 2214800600025 7.8000E-01 4.6000E+00 2.5000E+00 3.0000E+00 2.0000E+00 8.0000E-012214800600026 1.0000E+00 3.0000E-01 4.0000E-01 2214800600027 ENDDATA 6 0 2214800600028 ENDSUBENT 27 0 2214800699999 SUBENT 22148007 19910124 00002214800700001 BIB 5 13 2214800700002 REACTION (83-BI-209(N,P)82-PB-209,,SIG) 2214800700003 DECAY-DATA (82-PB-209,3.253HR,B-,645.,1.0) 2214800700004 ERR-ANALYS .ONE SIGMA UNCERTAINTIES: 2214800700005 (ERR-T) TOTAL ERROR 2214800700006 (ERR-S) STATISTICAL ERROR 2214800700007 (ERR-1) FLUENCE AND ENERGY 2214800700008 (ERR-2) BETA OR GAMMA EFFICIENCY 2214800700009 (ERR-5) HALF-LIFE 2214800700010 STATUS .DATA TAKEN FROM MAIN REFERENCE. 2214800700011 HISTORY (900907C) S.W. 2214800700012 (900917E) 2214800700013 (910124U) S.W. ERR-ANALYS MOVED FROM SUBENT 001 2214800700014 (910205E) 2214800700015 ENDBIB 13 0 2214800700016 NOCOMMON 0 0 2214800700017 DATA 6 1 2214800700018 DATA ERR-T ERR-S ERR-1 ERR-2 ERR-5 2214800700019 MB PER-CENT PER-CENT PER-CENT PER-CENT PER-CENT 2214800700020 1.2100E+00 1.0300E+01 2.1000E+00 1.5000E+00 1.0000E+01 3.0000E-012214800700021 ENDDATA 3 0 2214800700022 ENDSUBENT 21 0 2214800799999 SUBENT 22148008 19910124 00002214800800001 BIB 6 16 2214800800002 REACTION (83-BI-209(N,A)81-TL-206,,SIG) 2214800800003 DECAY-DATA (81-TL-206-G,4.183MIN,B-,1527.,1.0) 2214800800004 ERR-ANALYS .ONE SIGMA UNCERTAINTIES: 2214800800005 (ERR-T) TOTAL ERROR 2214800800006 (ERR-S) STATISTICAL ERROR 2214800800007 (ERR-1) FLUENCE AND ENERGY 2214800800008 (ERR-2) BETA OR GAMMA EFFICIENCY 2214800800009 (ERR-5) HALF-LIFE 2214800800010 (ERR-6) BETA IMPURITIES 2214800800011 COMMENT .A CORRECTION OF 14% HAS BEEN APPLIED TO ACCOUNT 2214800800012 FOR BETA IMPURITIES. 2214800800013 STATUS .DATA TAKEN FROM MAIN REFERENCE. 2214800800014 HISTORY (900907C) S.W. 2214800800015 (900917E) 2214800800016 (910124U) S.W. ERR-ANALYS MOVED FROM SUBENT 001 2214800800017 (910205E) 2214800800018 ENDBIB 16 0 2214800800019 NOCOMMON 0 0 2214800800020 DATA 7 1 2214800800021 DATA ERR-T ERR-S ERR-1 ERR-2 ERR-5 2214800800022 ERR-6 2214800800023 MB PER-CENT PER-CENT PER-CENT PER-CENT PER-CENT 2214800800024 PER-CENT 2214800800025 5.7000E-01 5.4000E+00 1.2000E+00 1.5000E+00 3.0000E+00 1.0000E+002214800800026 4.0000E+00 2214800800027 ENDDATA 6 0 2214800800028 ENDSUBENT 27 0 2214800899999 ENDENTRY 8 0 2214899999999