ENTRY 22195 19990604 00002219500000001 SUBENT 22195001 19990604 00002219500100001 BIB 12 80 2219500100002 INSTITUTE (2GERKFK) 2219500100003 (2ITYBOL) G.R. 2219500100004 REFERENCE (J,PR/C,42,1731,199010) MAIN REFERENCE, DATA ARE GIVEN 2219500100005 AUTHOR (K.WISSHAK,F.VOSS,F.KAEPPELER,G.REFFO) 2219500100006 TITLE -MEASUREMENTS OF KEV NEUTRON CAPTURE CROSS SECTIONS 2219500100007 WITH A 4-PI BARIUM FLUORIDE DETECTOR: EXAMPLES OF 2219500100008 93-NB, 103-RH, AND 181-TA. 2219500100009 FACILITY (VDG,2GERKFK) 3-MV VAN DE GRAAFF ACCELERATOR, 2219500100010 REPETITION RATE 250 HZ, PULSE WIDTH 2 NS AND BEAM 2219500100011 INTENSITY 2 MICRO-AMP. 2219500100012 INC-SOURCE (P-LI7) METALLIC LI OF ABOUT 2 MG/CM2 EVAPORATED ONTO A2219500100013 WATER COOLED CU BACKING 0.3 MM THICK. USING A P ENERGY2219500100014 OF APPROX 2 MEV PRODUCES CONTINUOUS N SPECTRA IN THE 2219500100015 REQUIRED ENERGY RANGE FROM 3 - 200 KEV. THE WHOLE N 2219500100016 PRODUCING TARGET SURROUNDED BY A MIXED BORON CARBIDE/ 2219500100017 ARALDITE SHIELD OF 1 M3 VOLUME, WITH A CENTRAL 2219500100018 SEPARATE BEAM COLLIMATOR INCLUDING A 25 CM SURROUND OF2219500100019 BORON LOADED PARAFFIN AND, TOWARDS THE BAF2 DETECTOR, 2219500100020 A 10 CM LEAD SHIELD TO SUPPRESS GAMMAS PRODUCED IN THE2219500100021 N TARGET AND COLLIMATOR ITSELF. 2219500100022 SAMPLE .EIGHT SAMPLES WERE LOADED IN A COMPUTER CONTROLLED 2219500100023 AUTO-CHANGER AND STEPPED THROUGH THE BAF2 DETECTOR AT 2219500100024 10 MIN INTERVALS. AS WELL AS THE THREE ISOTOPES UNDER 2219500100025 STUDY, THERE WERE TWO IDENTICAL 197-AU MONITOR 2219500100026 SAMPLES, A GRAPHITE SAMPLE TO SIMULATE BACKGROUND FROM2219500100027 SAMPLE SCATTERED NEUTRONS, A 59-CO SAMPLE TO VERIFY 2219500100028 THE N ENERGY SCALE VIA WELL DEFINED N RESONANCES, AND 2219500100029 AN EMPTY POSITION TO DETERMINE SAMPLE-INDEPENDENT 2219500100030 BACKGROUND. THE ORDER AND DETAILS OF THE SAMPLES ARE: 2219500100031 THICKNESS WEIGHT PURITY 2219500100032 SAMPLE MM 10-3 A/BARN G % 2219500100033 --------------------------------------------------- 2219500100034 1. AU I 0.25 1.5099 1.8772 99.99 2219500100035 2. GRAPHITE 0.50 4.0561 0.3075 2219500100036 3. TA 0.15 0.8092 0.9242 99.9 2219500100037 4. RH 0.10 0.7917 0.5142 99.9 2219500100038 5 NB 0.50 2.8923 1.6961 99.9 2219500100039 6 CO 1.00 9.0032 3.349 2219500100040 7 AU II 0.25 1.5050 1.8711 99.99 2219500100041 8 NO SAMPLE 2219500100042 ALL METALLIC SAMPLES OF 22 MM DIAMETER 2219500100043 METHOD (TOF ) SHORT FLIGHT PATH OF 77 CM. 2219500100044 DETECTOR (D4PI ) 4-PI BARIUM FLOURIDE (BAF2) DETECTOR CONSISTING2219500100045 OF 42 SHAPED CRYSTALS MOUNTED IN A SPHERICAL AL HONEY-2219500100046 COMB STRUCTURE, EACH COVERED BY A REFLECTOR AND A 2219500100047 CANNING OF 0.5 MM TOTAL THICKNESS AND VIEWED BY A 2219500100048 PHOTOTUBE WITH QUARTZ WINDOW. THUS EACH CRYSTAL REPRE-2219500100049 SENTS A COMPLETE GAMMA DETECTOR MODULE. THE WHOLE 2219500100050 ASSEMBLY IS USED AS A CALORIMETER, WITH ONLY THE SUM 2219500100051 ENERGY SIGNAL AND THE TOF RECORDED, TOGETHER WITH A 422219500100052 BIT PATTERN INDICATING WHICH MODULES DETECTED THE 2219500100053 EVENT. FOR THE EXPERIMENT 2 OF THE 42 MODULES WERE 2219500100054 REMOVED, AT THE ENTRANCE AND EXIT OF THE N BEAM, THUS 2219500100055 REDUCING THE SOLID ANGLE COVERED TO 95 %. 2219500100056 SUM ENERGY RESOLUTION 14.3 % AT 662 KEV, 7.1 % AT 2219500100057 2.5 MEV AND 6.0 % AT 6.1 MEV. PEAK EFFICIENCY OF 93 % 2219500100058 OBTAINED FOR THE 662 KEV GAMMA OF 137-CS, AND AT 2219500100059 HIGHER ENERGIES 82 % FOR THE 1.17/1.33 MEV GAMMAS OF 2219500100060 60-CO. TIME RESOLUTION WAS 630 PSEC WITH 60-CO SOURCE.2219500100061 (SCIN ) TWO 6-LI GLASS SCINTILLATION DETECTORS USED AS 2219500100062 N MONITORS; THE FIRST LOCATED IN THE N COLLIMATOR 2219500100063 20 CM FROM THE N PRODUCING TARGET TO MEASURE INTEGRAL 2219500100064 N FLUX, THE SECOND IN THE N BEAM DIRECTION LOOKING 2219500100065 THROUGH THE SAMPLE AT A FLIGHT PATH OF 2.5 M TO 2219500100066 ACCUMULATE THE TOF SPECTRUM AND THUS MEASURE THE TIME-2219500100067 CORRELATED INTEGRAL N FLUX. 2219500100068 CORRECTION .NORMALISATION TO EQUAL N FLUX FOR ALL SAMPLES TO 2219500100069 ACCOUNT FOR DECREASE IN N SOURCE YIELD WITH TIME 2219500100070 .SAMPLE-INDEPENDENT BACKGROUND, BOTH TIME-DEPENDENT AND2219500100071 TIME-INDEPENDENT 2219500100072 .BACKGROUND FROM SAMPLE SCATTERED NEUTRONS 2219500100073 .CAPTURE EVENTS FALLING BELOW THE THRESHOLD 2219500100074 .NEUTRON MULTIPLE SCATTERING AND SELF-SHIELDING 2219500100075 .GAMMA SELF-ABSORPTION IN THE AU SAMPLES WAS MUCH LESS 2219500100076 THAN 1 % AND WAS NEGLECTED 2219500100077 STATUS .DATA TAKEN FROM MAIN REFERENCE. 2219500100078 HISTORY (19910711C) S.W. 2219500100079 (19910722E) 2219500100080 (19980201A) CORRECTED BY S.MAEV. NEW SUBENTRIES ADDED 2219500100081 (19990604A) DATE is corrected 2219500100082 ENDBIB 80 0 2219500100083 NOCOMMON 0 0 2219500100084 ENDSUBENT 83 0 2219500199999 SUBENT 22195002 19990604 00002219500200001 BIB 6 25 2219500200002 REACTION (41-NB-93(N,G)41-NB-94,,SIG,,AV) AVERAGED OVER 2219500200003 ENERGY REGION GIVEN IN DATA SECTION 2219500200004 MONITOR (79-AU-197(N,G)79-AU-198,,SIG) 2219500200005 SAMPLE .METALLIC SAMPLE OF 22 MM DIAMETER, 0.50 MM == 2.8923 2219500200006 ATOMS/B THICKNESS, 1.6961 GRAM WEIGHT, 99.9 PC 2219500200007 PURITY 2219500200008 ERR-ANALYS (ERR-S) STATISTICAL ERROR 2219500200009 (ERR-T) TOTAL ERROR IN CROSS SECTION RATIO NB/AU, THUS 2219500200010 ERROR IN AU MONITOR CROSS SECTION NOT INCLUDED. THIS 2219500200011 TOTAL INCLUDES A SYSTEMATIC ERR-1 AND ERR-S 2219500200012 (ERR-1) TOTAL SYSTEMATIC ERROR COMPOSED OF ERR-2 TO 2219500200013 ERR-8 2219500200014 (ERR-2) FLIGHT PATH (CROSS SECTION RATIO) 0.1 % 2219500200015 (ERR-3) N FLUX NORMALISATION (SAMPLE) 0.1 % 2219500200016 (ERR-4) N FLUX NORMALISATION (STANDARD) 0.1 % 2219500200017 (ERR-5) SAMPLE MASS 0.1 % 2219500200018 (ERR-6) MULTIPLE SCATTERING (AU) 0.3 % 2219500200019 (ERR-7) MULTIPLE SCATTERING (NB) 0.3 % 2219500200020 (ERR-8) UNOBSERVED EVENTS (CROSS SECTION RATIO) 0.6 % 2219500200021 STATUS (TABLE) DATA FROM TABLE V OF MAIN REFERENCE. 2219500200022 (DEP,22195005) 2219500200023 HISTORY (19910711C) S.W. 2219500200024 (19910722E) 2219500200025 (19980201U) SAMPLE AND MONITOR KEYWORDS ADDED, STATUS 2219500200026 AND ERR-ANALYS KEYWORDS CORRECTED 2219500200027 ENDBIB 25 0 2219500200028 COMMON 8 6 2219500200029 ERR-1 ERR-2 ERR-3 ERR-4 ERR-5 ERR-6 2219500200030 ERR-7 ERR-8 2219500200031 PER-CENT PER-CENT PER-CENT PER-CENT PER-CENT PER-CENT 2219500200032 PER-CENT PER-CENT 2219500200033 0.8 0.1 0.1 0.1 0.1 0.3 2219500200034 0.3 0.6 2219500200035 ENDCOMMON 6 0 2219500200036 DATA 6 12 2219500200037 EN-MIN EN-MAX DATA ERR-S ERR-T MONIT 2219500200038 KEV KEV MB PER-CENT PER-CENT MB 2219500200039 3. 5. 822.4 12.8 12.8 2266.8 2219500200040 5. 10. 727.4 4.0 4.1 1471.2 2219500200041 10. 15. 529.8 2.1 2.2 972.4 2219500200042 15. 20. 407.9 1.5 1.7 738.8 2219500200043 20. 30. 307.2 1.0 1.3 585.4 2219500200044 30. 40. 250.0 1.0 1.3 500.4 2219500200045 40. 60. 184.1 0.9 1.2 411.5 2219500200046 60. 80. 136.1 0.9 1.2 349.4 2219500200047 80. 100. 111.6 1.0 1.3 298.3 2219500200048 100. 120. 98.0 1.2 1.4 290.1 2219500200049 120. 150. 88.5 1.7 1.9 274.1 2219500200050 150. 200. 77.0 1.7 1.9 258.1 2219500200051 ENDDATA 14 0 2219500200052 ENDSUBENT 51 0 2219500299999 SUBENT 22195003 19990604 00002219500300001 BIB 6 25 2219500300002 REACTION (45-RH-103(N,G)45-RH-104,,SIG,,AV) AVERAGED OVER 2219500300003 ENERGY REGION GIVEN IN DATA SECTION 2219500300004 MONITOR (79-AU-197(N,G)79-AU-198,,SIG) 2219500300005 SAMPLE .METALLIC SAMPLE OF 22 MM DIAMETER, 0.10 MM == 0.7917 2219500300006 ATOMS/B THICKNESS, 0.5142 GRAM WEIGHT, 99.9 PC 2219500300007 PURITY 2219500300008 ERR-ANALYS (ERR-S) STATISTICAL ERROR 2219500300009 (ERR-T) TOTAL ERROR IN CROSS SECTION RATIO RH/AU, THUS 2219500300010 ERROR IN AU MONITOR CROSS SECTION NOT INCLUDED. THIS 2219500300011 TOTAL ERROR INCLUDES A SYSTEMATIC ERR-1 AND ERR-S 2219500300012 (ERR-1) TOTAL SYSTEMATIC ERROR COMPOSED OF ERR-2 TO 2219500300013 ERR-8 2219500300014 (ERR-2) FLIGHT PATH (CROSS SECTION RATIO) 0.1 % 2219500300015 (ERR-3) N FLUX NORMALISATION (SAMPLE) 0.1 % 2219500300016 (ERR-4) N FLUX NORMALISATION (STANDARD) 0.1 % 2219500300017 (ERR-5) SAMPLE MASS 0.1 % 2219500300018 (ERR-6) MULTIPLE SCATTERING (AU) 0.3 % 2219500300019 (ERR-7) MULTIPLE SCATTERING (RH) 0.2 % 2219500300020 (ERR-8) UNOBSERVED EVENTS (CROSS SECTION RATIO) 0.6 % 2219500300021 STATUS (TABLE) DATA FROM TABLE V OF MAIN REFERENCE. 2219500300022 (DEP,22195006) 2219500300023 HISTORY (19910711C) S.W. 2219500300024 (19910722E) 2219500300025 (19980201U) SAMPLE AND MONITOR KEYWORDS ADDED, STATUS 2219500300026 AND ERR-ANALYS KEYWORDS CORRECTED 2219500300027 ENDBIB 25 0 2219500300028 COMMON 8 6 2219500300029 ERR-1 ERR-2 ERR-3 ERR-4 ERR-5 ERR-6 2219500300030 ERR-7 ERR-8 2219500300031 PER-CENT PER-CENT PER-CENT PER-CENT PER-CENT PER-CENT 2219500300032 PER-CENT PER-CENT 2219500300033 0.7 0.1 0.1 0.1 0.1 0.3 2219500300034 0.2 0.6 2219500300035 ENDCOMMON 6 0 2219500300036 DATA 6 12 2219500300037 EN-MIN EN-MAX DATA ERR-S ERR-T MONIT 2219500300038 KEV KEV MB PER-CENT PER-CENT MB 2219500300039 3. 5. 2217.2 11.9 11.9 2266.8 2219500300040 5. 10. 1589.8 4.4 4.6 1471.2 2219500300041 10. 15. 1294.7 1.9 2.0 972.4 2219500300042 15. 20. 1078.1 1.4 1.6 738.8 2219500300043 20. 30. 936.3 0.9 1.1 585.4 2219500300044 30. 40. 764.1 0.8 1.1 500.4 2219500300045 40. 60. 642.6 0.7 1.0 411.5 2219500300046 60. 80. 529.6 0.7 1.0 349.4 2219500300047 80. 100. 434.1 0.7 1.0 298.3 2219500300048 100. 120. 397.5 0.9 1.1 290.1 2219500300049 120. 150. 356.6 1.1 1.3 274.1 2219500300050 150. 200. 301.9 1.1 1.3 258.1 2219500300051 ENDDATA 14 0 2219500300052 ENDSUBENT 51 0 2219500399999 SUBENT 22195004 19990604 00002219500400001 BIB 6 25 2219500400002 REACTION (73-TA-181(N,G)73-TA-182,,SIG,,AV) AVERAGED OVER 2219500400003 ENERGY REGION GIVEN IN DATA SECTION 2219500400004 MONITOR (79-AU-197(N,G)79-AU-198,,SIG) 2219500400005 SAMPLE .METALLIC SAMPLE OF 22 MM DIAMETER, 0.15 MM == 0.8092 2219500400006 ATOMS/B THICKNESS, 0.9242 GRAM WEIGHT, 99.9 PC 2219500400007 PURITY 2219500400008 ERR-ANALYS (ERR-S) STATISTICAL ERROR 2219500400009 (ERR-T) TOTAL ERROR IN CROSS SECTION RATIO TA/AU, THUS 2219500400010 ERROR IN AU MONITOR CROSS SECTION NOT INCLUDED. THIS 2219500400011 TOTAL INCLUDES A SYSTEMATIC ERROR-1 AND ERR-S 2219500400012 (ERR-1) TOTAL SYSTEMATIC ERROR COMPOSED OF ERR-2 TO 2219500400013 ERR-8 2219500400014 (ERR-2) FLIGHT PATH (CROSS-SECTION RATIO) 0.1 % 2219500400015 (ERR-3) N FLUX NORMALISATION (SAMPLE) 0.1 % 2219500400016 (ERR-4) N FLUX NORMALISATION (STANDARD) 0.1 % 2219500400017 (ERR-5) SAMPLE MASS 0.1 % 2219500400018 (ERR-6) MULTIPLE SCATTERING (AU) 0.3 % 2219500400019 (ERR-7) MULTIPLE SCATTERING (NB) 0.2 % 2219500400020 (ERR-8) UNOBSERVED EVENTS (CROSS SECTION RATIO) 0.6 % 2219500400021 STATUS (TABLE) DATA FROM TABLE V OF MAIN REFERENCE. 2219500400022 (DEP,22195007) 2219500400023 HISTORY (19910711C) S.W. 2219500400024 (19910722E) 2219500400025 (19980201U) SAMPLE AND MONITOR KEYWORDS ADDED, STATUS 2219500400026 AND ERR-ANALYS KEYWORDS CORRECTED 2219500400027 ENDBIB 25 0 2219500400028 COMMON 8 6 2219500400029 ERR-1 ERR-2 ERR-3 ERR-4 ERR-5 ERR-6 2219500400030 ERR-7 ERR-8 2219500400031 PER-CENT PER-CENT PER-CENT PER-CENT PER-CENT PER-CENT 2219500400032 PER-CENT PER-CENT 2219500400033 0.7 0.1 0.1 0.1 0.1 0.3 2219500400034 0.2 0.6 2219500400035 ENDCOMMON 6 0 2219500400036 DATA 6 12 2219500400037 EN-MIN EN-MAX DATA ERR-S ERR-T MONIT 2219500400038 KEV KEV MB PER-CENT PER-CENT MB 2219500400039 3. 5. 3109.4 9.8 9.8 2266.8 2219500400040 5. 10. 2065.6 3.7 3.8 1471.2 2219500400041 10. 15. 1307.5 1.9 2.0 972.4 2219500400042 15. 20. 1042.5 1.4 1.6 738.8 2219500400043 20. 30. 828.2 0.9 1.1 585.4 2219500400044 30. 40. 660.6 0.8 1.1 500.4 2219500400045 40. 60. 533.0 0.7 1.0 411.5 2219500400046 60. 80. 433.5 0.7 1.0 349.4 2219500400047 80. 100. 372.4 0.8 1.1 298.3 2219500400048 100. 120. 350.3 1.0 1.2 290.1 2219500400049 120. 150. 318.9 1.2 1.4 274.1 2219500400050 150. 200. 266.6 1.3 1.5 258.1 2219500400051 ENDDATA 14 0 2219500400052 ENDSUBENT 51 0 2219500499999 SUBENT 22195005 19990604 00002219500500001 BIB 6 23 2219500500002 REACTION ((41-NB-93(N,G)41-NB-94,,SIG,,AV)/ 2219500500003 (79-AU-197(N,G)79-AU-198,,SIG,,AV)) AVERAGED OVER 2219500500004 ENERGY REGION GIVEN IN DATA SECTION 2219500500005 MONITOR .ABSOLUTE MEASUREMENTS 2219500500006 SAMPLE .METALLIC SAMPLE OF 22 MM DIAMETER, 0.50 MM == 2.8923 2219500500007 ATOMS/B THICKNESS, 1.6961 GRAM WEIGHT, 99.9 PC 2219500500008 PURITY 2219500500009 ERR-ANALYS (ERR-S) STATISTICAL ERROR 2219500500010 (ERR-T) TOTAL ERROR IN CROSS SECTION RATIO NB/AU, THUS 2219500500011 ERROR IN AU MONITOR CROSS SECTION NOT INCLUDED. THIS 2219500500012 TOTAL INCLUDES A SYSTEMATIC ERROR ERR-1 AND ERR-S 2219500500013 (ERR-1) TOTAL SYSTEMATIC ERROR COMPOSED OF ERR-2 TO 2219500500014 ERR-8 2219500500015 (ERR-2) ERROR DUE TO FLIGHT PATH (CROSS SECTION RATIO) 2219500500016 (ERR-3) ERROR DUE TO N FLUX NORMALISATION (SAMPLE) 2219500500017 (ERR-4) ERROR DUE TO N FLUX NORMALISATION (STANDARD) 2219500500018 (ERR-5) ERROR DUE TO SAMPLE MASS 2219500500019 (ERR-6) ERROR DUE TO MULTIPLE SCATTERING (AU) 2219500500020 (ERR-7) ERROR DUE TO MULTIPLE SCATTERING (NB) 2219500500021 (ERR-8) ERROR DUE TO UNOBSERVED EVENTS (CROSS SECTION 2219500500022 RATIO) 2219500500023 STATUS (TABLE) DATA TAKEN FROM TABLE V OF MAIN REFERENCE. 2219500500024 HISTORY (19980201C) + + COMPILED BY S.MAEV + + 2219500500025 ENDBIB 23 0 2219500500026 COMMON 8 6 2219500500027 ERR-1 ERR-2 ERR-3 ERR-4 ERR-5 ERR-6 2219500500028 ERR-7 ERR-8 2219500500029 PER-CENT PER-CENT PER-CENT PER-CENT PER-CENT PER-CENT 2219500500030 PER-CENT PER-CENT 2219500500031 0.8 0.1 0.1 0.1 0.1 0.3 2219500500032 0.3 0.6 2219500500033 ENDCOMMON 6 0 2219500500034 DATA 5 12 2219500500035 EN-MIN EN-MAX DATA ERR-S ERR-T 2219500500036 KEV KEV NO-DIM PER-CENT PER-CENT 2219500500037 3. 5. 0.3628 12.8 12.8 2219500500038 5. 10. 0.4944 4.0 4.1 2219500500039 10. 15. 0.5449 2.1 2.2 2219500500040 15. 20. 0.5521 1.5 1.7 2219500500041 20. 30. 0.5247 1.0 1.3 2219500500042 30. 40. 0.4995 1.0 1.3 2219500500043 40. 60. 0.4474 0.9 1.2 2219500500044 60. 80. 0.3896 0.9 1.2 2219500500045 80. 100. 0.3772 1.0 1.3 2219500500046 100. 120. 0.3348 1.2 1.4 2219500500047 120. 150. 0.3230 1.7 1.9 2219500500048 150. 200. 0.2984 1.7 1.9 2219500500049 ENDDATA 14 0 2219500500050 ENDSUBENT 49 0 2219500599999 SUBENT 22195006 19990604 00002219500600001 BIB 6 23 2219500600002 REACTION ((45-RH-103(N,G)45-RH-104,,SIG,,AV)/ 2219500600003 (79-AU-197(N,G)79-AU-198,,SIG,,AV)) AVERAGED OVER 2219500600004 ENERGY REGION GIVEN IN DATA SECTION 2219500600005 MONITOR .ABSOLUTE MEASUREMENTS 2219500600006 SAMPLE .METALLIC SAMPLE OF 22 MM DIAMETER, 0.10 MM == 0.7917 2219500600007 ATOMS/B THICKNESS, 0.5142 GRAM WEIGHT, 99.9 PC 2219500600008 PURITY 2219500600009 ERR-ANALYS (ERR-S) STATISTICAL ERROR 2219500600010 (ERR-T) TOTAL ERROR IN CROSS SECTION RATIO RH/AU, THUS 2219500600011 ERROR IN AU MONITOR CROSS SECTION NOT INCLUDED. THIS 2219500600012 TOTAL ERROR INCLUDES A SYSTEMATIC ERR-1 AND ERR-S 2219500600013 (ERR-1) TOTAL SYSTEMATIC ERROR COMPOSED OF ERR-2 TO 2219500600014 ERR-8 2219500600015 (ERR-2) ERROR DUE TO FLIGHT PATH (CROSS SECTION RATIO) 2219500600016 (ERR-3) ERROR DUE TO N FLUX NORMALISATION (SAMPLE) 2219500600017 (ERR-4) ERROR DUE TO N FLUX NORMALISATION (STANDARD) 2219500600018 (ERR-5) ERROR DUE TO SAMPLE MASS 2219500600019 (ERR-6) ERROR DUE TO MULTIPLE SCATTERING (AU) 2219500600020 (ERR-7) ERROR DUE TO MULTIPLE SCATTERING (RH) 2219500600021 (ERR-8) ERROR DUE TO UNOBSERVED EVENTS (CROSS SECTION 2219500600022 RATIO) 2219500600023 STATUS (TABLE) DATA TAKEN FROM TABLE V OF MAIN REFERENCE. 2219500600024 HISTORY (19980201C) + + COMPILED BY S.MAEV + + 2219500600025 ENDBIB 23 0 2219500600026 COMMON 8 6 2219500600027 ERR-1 ERR-2 ERR-3 ERR-4 ERR-5 ERR-6 2219500600028 ERR-7 ERR-8 2219500600029 PER-CENT PER-CENT PER-CENT PER-CENT PER-CENT PER-CENT 2219500600030 PER-CENT PER-CENT 2219500600031 0.7 0.1 0.1 0.1 0.1 0.3 2219500600032 0.2 0.6 2219500600033 ENDCOMMON 6 0 2219500600034 DATA 5 12 2219500600035 EN-MIN EN-MAX DATA ERR-S ERR-T 2219500600036 KEV KEV NO-DIM PER-CENT PER-CENT 2219500600037 3. 5. 0.9781 11.9 11.9 2219500600038 5. 10. 1.0806 4.4 4.6 2219500600039 10. 15. 1.3315 1.9 2.0 2219500600040 15. 20. 1.4593 1.4 1.6 2219500600041 20. 30. 1.5993 0.9 1.1 2219500600042 30. 40. 1.5270 0.8 1.1 2219500600043 40. 60. 1.5616 0.7 1.0 2219500600044 60. 80. 1.5159 0.7 1.0 2219500600045 80. 100. 1.4551 0.7 1.0 2219500600046 100. 120. 1.3702 0.9 1.1 2219500600047 120. 150. 1.3007 1.1 1.3 2219500600048 150. 200. 1.1697 1.1 1.3 2219500600049 ENDDATA 14 0 2219500600050 ENDSUBENT 49 0 2219500699999 SUBENT 22195007 19990604 00002219500700001 BIB 6 23 2219500700002 REACTION ((73-TA-181(N,G)73-TA-182,,SIG)/ 2219500700003 (79-AU-197(N,G)79-AU-198,,SIG,,AV)) AVERAGED OVER 2219500700004 ENERGY REGION GIVEN IN DATA SECTION 2219500700005 MONITOR .ABSOLUTE MEASUREMENTS 2219500700006 SAMPLE .METALLIC SAMPLE OF 22 MM DIAMETER, 0.15 MM == 0.8092 2219500700007 ATOMS/B THICKNESS, 0.9242 GRAM WEIGHT, 99.9 PC 2219500700008 PURITY 2219500700009 ERR-ANALYS (ERR-S) STATISTICAL ERROR 2219500700010 (ERR-T) TOTAL ERROR IN CROSS SECTION RATIO TA/AU, THUS 2219500700011 ERROR IN AU MONITOR CROSS SECTION NOT INCLUDED. THIS 2219500700012 TOTAL INCLUDES A SYSTEMATIC ERROR-1 AND ERR-S 2219500700013 (ERR-1) TOTAL SYSTEMATIC ERROR COMPOSED OF ERR-2 TO 2219500700014 ERR-8 2219500700015 (ERR-2) ERROR DUE TO FLIGHT PATH (CROSS-SECTION RATIO)2219500700016 (ERR-3) ERROR DUE TO N FLUX NORMALISATION (SAMPLE) 2219500700017 (ERR-4) ERROR DUE TO N FLUX NORMALISATION (STANDARD) 2219500700018 (ERR-5) ERROR DUE TO SAMPLE MASS 2219500700019 (ERR-6) ERROR DUE TO MULTIPLE SCATTERING (AU) 2219500700020 (ERR-7) ERROR DUE TO MULTIPLE SCATTERING (NB) 2219500700021 (ERR-8) ERROR DUE TO UNOBSERVED EVENTS (CROSS SECTION 2219500700022 RATIO) 2219500700023 STATUS (TABLE) DATA TAKEN FROM TABLE V OF MAIN REFERENCE. 2219500700024 HISTORY (19980201C) + + COMPILED BY S.MAEV + + 2219500700025 ENDBIB 23 0 2219500700026 COMMON 8 6 2219500700027 ERR-1 ERR-2 ERR-3 ERR-4 ERR-5 ERR-6 2219500700028 ERR-7 ERR-8 2219500700029 PER-CENT PER-CENT PER-CENT PER-CENT PER-CENT PER-CENT 2219500700030 PER-CENT PER-CENT 2219500700031 0.7 0.1 0.1 0.1 0.1 0.3 2219500700032 0.2 0.6 2219500700033 ENDCOMMON 6 0 2219500700034 DATA 5 12 2219500700035 EN-MIN EN-MAX DATA ERR-S ERR-T 2219500700036 KEV KEV NO-DIM PER-CENT PER-CENT 2219500700037 3. 5. 1.3717 9.8 9.8 2219500700038 5. 10. 1.4040 3.7 3.8 2219500700039 10. 15. 1.3447 1.9 2.0 2219500700040 15. 20. 1.4111 1.4 1.6 2219500700041 20. 30. 1.4146 0.9 1.1 2219500700042 30. 40. 1.3202 0.8 1.1 2219500700043 40. 60. 1.2954 0.7 1.0 2219500700044 60. 80. 1.2407 0.7 1.0 2219500700045 80. 100. 1.2484 0.8 1.1 2219500700046 100. 120. 1.2074 1.0 1.2 2219500700047 120. 150. 1.1633 1.2 1.4 2219500700048 150. 200. 1.0328 1.3 1.5 2219500700049 ENDDATA 14 0 2219500700050 ENDSUBENT 49 0 2219500799999 SUBENT 22195008 19990604 00002219500800001 BIB 6 14 2219500800002 REACTION (41-NB-93(N,G)41-NB-94,,SIG,,MXW) EN-MEAN IN DATA 2219500800003 SECTION IS EQUAL TO (3/2)*KT 2219500800004 ANALYSIS .OBTAINED BY INTEGRATING CROSS-SECTION FROM ZERO TO 2219500800005 INFINITY USING DIFFERENT EXPRESSIONS FOR SIGMA, 2219500800006 NAMELY - CONTRIBUTION I-1 AT 0-3 KEV ENERGIES IS 2219500800007 CALCULATED FROM RESONANCE PARAMETERS, CONTRIBUTION I-32219500800008 COVERS THE RANGE OF PRESENT EXPERIMENT, FOR PART I-4 2219500800009 ABOVE THIS ENERGY RANGE CROSS-SECTIONS ARE OBTAINED 2219500800010 BY EXTRAPOLATION AND NORMALIZED TO THE PRESENT DATA 2219500800011 MONITOR (79-AU-197(N,G)79-AU-198,,SIG) 2219500800012 ERR-ANALYS (ERR-T) TOTAL ERROR IN AVERAGED CROSS SECTION 2219500800013 STATUS (TABLE) DATA TAKEN FROM TABLE VII OF MAIN REFERENCE. 2219500800014 (DEP,22195002) DATA FROM TABLE VII OF MAIN REFERENCE. 2219500800015 HISTORY (19980201C) + + COMPILED BY S.MAEV + + 2219500800016 ENDBIB 14 0 2219500800017 NOCOMMON 0 0 2219500800018 DATA 3 6 2219500800019 KT DATA ERR-T 2219500800020 KEV MB MB 2219500800021 12. 500.1 12.0 2219500800022 20. 354.1 7.2 2219500800023 25. 302.6 5.9 2219500800024 30. 265.7 5.1 2219500800025 40. 216.0 4.0 2219500800026 52. 179.3 3.2 2219500800027 ENDDATA 8 0 2219500800028 ENDSUBENT 27 0 2219500899999 SUBENT 22195009 19990604 00002219500900001 BIB 6 14 2219500900002 REACTION (45-RH-103(N,G)45-RH-104,,SIG,,MXW) EN-MEAN IN DATA 2219500900003 SECTION IS EQUAL TO (3/2)*KT 2219500900004 ANALYSIS .OBTAINED BY INTEGRATING CROSS-SECTION FROM ZERO TO 2219500900005 INFINITY USING DIFFERENT EXPRESSIONS FOR SIGMA, 2219500900006 NAMELY - CONTRIBUTION I-1 AT 0-3 KEV ENERGIES IS 2219500900007 CALCULATED FROM RESONANCE PARAMETERS, CONTRIBUTION I-32219500900008 COVERS THE RANGE OF PRESENT EXPERIMENT, FOR PART I-4 2219500900009 ABOVE THIS ENERGY RANGE CROSS-SECTIONS ARE OBTAINED 2219500900010 BY EXTRAPOLATION AND NORMALIZED TO THE PRESENT DATA 2219500900011 MONITOR (79-AU-197(N,G)79-AU-198,,SIG) 2219500900012 ERR-ANALYS (ERR-T) TOTAL ERROR IN AVERAGED CROSS SECTION 2219500900013 STATUS (TABLE) DATA TAKEN FROM TABLE VII OF MAIN REFERENCE. 2219500900014 (DEP,22195003) DATA FROM TABLE VII OF MAIN REFERENCE. 2219500900015 HISTORY (19980201C) + + COMPILED BY S.MAEV + + 2219500900016 ENDBIB 14 0 2219500900017 NOCOMMON 0 0 2219500900018 DATA 3 6 2219500900019 KT DATA ERR-T 2219500900020 KEV MB MB 2219500900021 12. 1278.9 28.0 2219500900022 20. 997.9 18.2 2219500900023 25. 891.2 16.2 2219500900024 30. 810.5 14.8 2219500900025 40. 695.3 12.3 2219500900026 52. 602.4 10.1 2219500900027 ENDDATA 8 0 2219500900028 ENDSUBENT 27 0 2219500999999 SUBENT 22195010 19990604 00002219501000001 BIB 6 16 2219501000002 REACTION (73-TA-181(N,G)73-TA-182,,SIG,,MXW) EN-MEAN IN DATA 2219501000003 SECTION IS EQUAL TO (3/2)*KT 2219501000004 ANALYSIS .OBTAINED BY INTEGRATING CROSS-SECTION FROM ZERO TO 2219501000005 INFINITY USING DIFFERENT EXPRESSIONS FOR SIGMA, 2219501000006 NAMELY - CONTRIBUTION I-1 AT 0-2 KEV ENERGIES IS 2219501000007 CALCULATED FROM RESONANCE PARAMETERS, CONTRIBUTION I-22219501000008 IS CALCULATED WITH THE HELP OF STATISTICSL NUCLEAR RE-2219501000009 ACTIONS MODEL, PART I-3 COVERS THE RANGE OF PRESENT 2219501000010 EXPERIMENT, FOR PART I-4 ABOVE THIS ENERGY RANGE 2219501000011 CROSS-SECTIONS ARE OBTAINED BY EXTRAPOLATION AND 2219501000012 NORMALIZED TO THE PRESENT DATA 2219501000013 MONITOR (79-AU-197(N,G)79-AU-198,,SIG) 2219501000014 ERR-ANALYS (ERR-T) TOTAL ERROR IN AVERAGED CROSS SECTION 2219501000015 STATUS (TABLE) DATA TAKEN FROM TABLE VII OF MAIN REFERENCE. 2219501000016 (DEP,22195004) 2219501000017 HISTORY (19980201C) + + COMPILED BY S.MAEV + + 2219501000018 ENDBIB 16 0 2219501000019 NOCOMMON 0 0 2219501000020 DATA 3 6 2219501000021 KT DATA ERR-T 2219501000022 KEV MB MB 2219501000023 12. 1430.3 48.0 2219501000024 20. 1002.1 23.5 2219501000025 25. 863.0 18.1 2219501000026 30. 766.2 15.1 2219501000027 40. 638.7 11.7 2219501000028 52. 544.3 9.5 2219501000029 ENDDATA 8 0 2219501000030 ENDSUBENT 29 0 2219501099999 ENDENTRY 10 0 2219599999999