ENTRY 21856 20041031 00002185600000001 SUBENT 21856001 20041031 00002185600100001 BIB 16 72 2185600100002 INSTITUTE (2GERKFK) IAK. 2185600100003 REFERENCE (R,KFK-2895,197912) THESIS B.LEUGERS UNIV.OF KARLSRUHE.2185600100004 (C,79BOLOGN,,69,197912) 2185600100005 (C,80MUNICH,,1181,198003) 2185600100006 (C,79KNOX,,857,197910) 2185600100007 (P,NEANDC(E)-212,(5),9,198006) 2185600100008 AUTHOR (B.LEUGERS) 2185600100009 TITLE -.NEUTRON CAPTURE CROSS-SECTIONS OF KRYPTON ISOTOPES 2185600100010 AND THEIR ASTROPHYSICAL IMPLICATIONS. 2185600100011 (DIE NEUTRONENEINFANGQUERSCHNITTE DER KRYPTON- 2185600100012 ISOTOPE UND IHRE BEDEUTUNG FUER DIE ASTROPHYSIK).- 2185600100013 FACILITY (VDG ,2GERKFK) KARLSRUHE 3 MV PULSED VDG ACCELERATOR. 2185600100014 INC-SOURCE (P-LI7) METALLIC LI-7. 2185600100015 INC-SPECT .USING THICK METALLIC LI-TARGETS NEUTRONS 2185600100016 WITH A CONTINUOUS ENERGY DISTRIBUTION WERE 2185600100017 PRODUCED. A COLLIMATOR AND SHIELDING SYSTEM 2185600100018 SELECTED NEUTRONS BETWEEN 3 AND 200KEV. 2185600100019 SAMPLE .SPHERES OF 2 CM DIAMETER AND 0.5 MM WALL THICKNESS 2185600100020 .SAMPLE CHANGER CONTAINED 2185600100021 - 3 GAS SAMPLES 2185600100022 - A AU REFERENCE SAMPLE 2185600100023 - AN EMPTY CANNING 2185600100024 - A GRAPHITE SPHERE FOR BACKGROUND CORRECTION 2185600100025 .THE ISOTOPIC COMPOSITION OF THE KRYPTON SAMPLES IS 2185600100026 GIVEN IN THE FOLLOWING TABLE 2185600100027 ENRICHMENT (IN PERCENT) FOR 2185600100028 SAMPLE KR-78 KR-80 KR-82 KR-83 KR-84 KR-86 2185600100029 KR-NAT 0.35 2.25 11.6 11.5 57.0 17.3 2185600100030 KR-84 - - - - 100.0 - 2185600100031 KR-82 0.18 20.26 75.57 3.78 0.2 - 2185600100032 KR-78 9.0 35.0 34.7 9.5 11.6 0.3 2185600100033 KR-83 - - 16.1 71.0 12.9 - 2185600100034 METHOD (TOF) RESOLUTION 1.5 NS/M. FLIGHT PATH 60 CM. 2185600100035 .THIN-WALLED HIGH PRESSURE GAS SAMPLES 2185600100036 .DETECTION OF CAPTURE GAMMA-RAYS 2185600100037 .MEYER-LEIBNITZ PULSE HEIGHT WEIGHTING METHOD 2185600100038 .THE TOTAL C.S. WERE MEASURED IN A TRANSMISSION 2185600100039 MEASUREMENT IN ORDER TO CORRECT THE CAPTURE DATA WITH 2185600100040 RESPECT TO THE N-SENSITIVITY OF THE C6-D6 DETECTORS. 2185600100041 DETECTOR (SCIN ) C(6)D(6) LIQUID SCIN.DETECTORS COUPLED TO FAST 2185600100042 PM FOR GAMMA-RAYS DETECTING. 2185600100043 (GLASD) LI-6 GLASS DETECTOR TO MONITOR NEUTRON FLUX 2185600100044 FOR THE TOTAL C.S. MEASUREMENTS 2185600100045 MONITOR (79-AU-197(N,G)79-AU-198,,SIG) 2185600100046 FOR DATA ANALYSIS THE EVALUATED GOLD C.S. OF 2185600100047 ENDF/B-IV WAS ADOPTED. 2185600100048 NUMERICAL DATA ARE GIVEN IN TABLE II,APP.,MAIN REF. 2185600100049 ADD-RES .DATA WERE NEEDED FOR A QUANTITATIVE UNDERSTANDING 2185600100050 OF THE S-PROCESS OF NUCLEOSYNTHESIS. 2185600100051 .DETERMINATION OF THE ORIGINAL ABUNDANCE OF KRYPTON 2185600100052 IN THE SOLAR SYSTEM AND THE TEMPERATURE OF THE 2185600100053 S-PROCESS. 2185600100054 STATUS .MAIN REFERENCE, APPEND.,TABLE III. 2185600100055 HISTORY (19830503C) BN. 2185600100056 (19830801E) 2185600100057 (20041031A) DATE is corrected 2185600100058 CORRECTION .FOR SCATTERED NEUTRONS 2185600100059 .FOR TIME-DEPENDENT BACKGROUND 2185600100060 ERR-ANALYS (ERR-S) ONLY THE STATISTICAL ERROR IS GIVEN, WHICH IS 2185600100061 ABOUT 10 PERCENT AT 30 KEV AND 2185600100062 5 PERCENT AT 100 KEV. 2185600100063 .SYSTEMATC ERRORS WERE (GIVEN IN PERCENT) 2185600100064 - SAMPLE MASSES (1.), FOR KR-84 (2.) 2185600100065 - TIME DEPENDENT BACKGROUND DETERMINATION (1.), 2185600100066 FOR KR-84 (2.) 2185600100067 - PULSE-HEIGHT WEIGHTING TECHNIQUE (0.5) 2185600100068 - EFFECT. NEUTRON BIND.ENERGY (2.), FOR KR-84 (0.) 2185600100069 - OTHER CORRECTIONS (E.G. MULTIPLE SCATTERING) (2.) 2185600100070 .TOTAL SYSTEMATIC ERROR (3.2), FOR KR-84 (3.6) 2185600100071 .THE ERRORS FOR THE TOTAL C.S. WERE ABOUT 2185600100072 20 PERCENT AT 7 KEV AND 2185600100073 7 PERCENT AT 200 KEV. 2185600100074 ENDBIB 72 0 2185600100075 NOCOMMON 0 0 2185600100076 ENDSUBENT 75 0 2185600199999 SUBENT 21856002 20041031 00002185600200001 BIB 3 4 2185600200002 REACTION (36-KR-0(N,G),,SIG,,MXW) 2185600200003 STATUS .MAIN REFERENCE. APPENDIX TABLE III 2185600200004 HISTORY (19830503C) 2185600200005 (19830801E) 2185600200006 ENDBIB 4 0 2185600200007 NOCOMMON 0 0 2185600200008 DATA 3 6 2185600200009 EN-DUMMY DATA ERR-S 2185600200010 KEV MB MB 2185600200011 1.5000E+01 1.0440E+02 2.3000E+00 2185600200012 2.0000E+01 8.8100E+01 1.5000E+00 2185600200013 2.5000E+01 7.7000E+01 1.0000E+00 2185600200014 3.0000E+01 6.9000E+01 8.0000E-01 2185600200015 3.5000E+01 6.3000E+01 6.0000E-01 2185600200016 4.0000E+01 5.8400E+01 5.0000E-01 2185600200017 ENDDATA 8 0 2185600200018 ENDSUBENT 17 0 2185600299999 SUBENT 21856003 20041031 00002185600300001 BIB 3 4 2185600300002 REACTION (36-KR-84(N,G)36-KR-85,,SIG,,MXW) 2185600300003 STATUS .MAIN REFERENCE. APPENDIX TABLE III 2185600300004 HISTORY (19830503C) 2185600300005 (19830801E) 2185600300006 ENDBIB 4 0 2185600300007 NOCOMMON 0 0 2185600300008 DATA 3 6 2185600300009 EN-DUMMY DATA ERR-S 2185600300010 KEV MB MB 2185600300011 1.5000E+01 6.6800E+01 5.4000E+00 2185600300012 2.0000E+01 5.2600E+01 3.5000E+00 2185600300013 2.5000E+01 4.4200E+01 2.4000E+00 2185600300014 3.0000E+01 3.8700E+01 1.8000E+00 2185600300015 3.5000E+01 3.4900E+01 1.4000E+00 2185600300016 4.0000E+01 3.2000E+01 1.2000E+00 2185600300017 ENDDATA 8 0 2185600300018 ENDSUBENT 17 0 2185600399999 SUBENT 21856004 20041031 00002185600400001 BIB 3 4 2185600400002 REACTION (36-KR-82(N,G)36-KR-83,,SIG,,MXW) 2185600400003 STATUS .MAIN REFERENCE. APPENDIX TABLE III 2185600400004 HISTORY (19830503C) 2185600400005 (19830801E) 2185600400006 ENDBIB 4 0 2185600400007 NOCOMMON 0 0 2185600400008 DATA 3 6 2185600400009 EN-DUMMY DATA ERR-S 2185600400010 KEV MB MB 2185600400011 1.5000E+01 1.8450E+02 4.1000E+00 2185600400012 2.0000E+01 1.6540E+02 2.6000E+00 2185600400013 2.5000E+01 1.5050E+02 1.9000E+00 2185600400014 3.0000E+01 1.3880E+02 1.4000E+00 2185600400015 3.5000E+01 1.2980E+02 1.1000E+00 2185600400016 4.0000E+01 1.2260E+02 9.0000E-01 2185600400017 ENDDATA 8 0 2185600400018 ENDSUBENT 17 0 2185600499999 SUBENT 21856005 20041031 00002185600500001 BIB 3 4 2185600500002 REACTION (36-KR-78(N,G)36-KR-79,,SIG,,MXW) 2185600500003 STATUS .MAIN REFERENCE. APPENDIX TABLE III 2185600500004 HISTORY (19830503C) 2185600500005 (19830801E) 2185600500006 ENDBIB 4 0 2185600500007 NOCOMMON 0 0 2185600500008 DATA 3 6 2185600500009 EN-DUMMY DATA ERR-S 2185600500010 KEV MB MB 2185600500011 1.5000E+01 2.5760E+02 4.5000E+00 2185600500012 2.0000E+01 2.3160E+02 2.9000E+00 2185600500013 2.5000E+01 2.1100E+02 2.0000E+00 2185600500014 3.0000E+01 1.9480E+02 1.5000E+00 2185600500015 3.5000E+01 1.8200E+02 1.2000E+00 2185600500016 4.0000E+01 1.7190E+02 1.0000E+00 2185600500017 ENDDATA 8 0 2185600500018 ENDSUBENT 17 0 2185600599999 SUBENT 21856006 20041031 00002185600600001 BIB 3 4 2185600600002 REACTION (36-KR-83(N,G)36-KR-84,,SIG,,MXW) 2185600600003 STATUS .MAIN REFERENCE. APPENDIX TABLE III 2185600600004 HISTORY (19830503C) 2185600600005 (19830801E) 2185600600006 ENDBIB 4 0 2185600600007 NOCOMMON 0 0 2185600600008 DATA 3 6 2185600600009 EN-DUMMY DATA ERR-S 2185600600010 KEV MB MB 2185600600011 1.5000E+01 3.4180E+02 5.8000E+00 2185600600012 2.0000E+01 2.8260E+02 3.7000E+00 2185600600013 2.5000E+01 2.4310E+02 2.6000E+00 2185600600014 3.0000E+01 2.1480E+02 2.0000E+00 2185600600015 3.5000E+01 1.9390E+02 1.6000E+00 2185600600016 4.0000E+01 1.7780E+02 1.3000E+00 2185600600017 ENDDATA 8 0 2185600600018 ENDSUBENT 17 0 2185600699999 ENDENTRY 6 0 2185699999999