ENTRY 22180 19910716 00002218000000001 SUBENT 22180001 19910716 00002218000100001 BIB 15 44 2218000100002 REFERENCE (J,PR/C,42,363,9007) 2218000100003 TITLE -EXCITATION FUNCTIONS AND ISOMERIC CROSS-SECTION 2218000100004 RATIOS FOR THE 90-ZR(N,P)90-Y-M,G AND 2218000100005 91-ZR(N,P)91-Y-M,G PROCESSES. 2218000100006 AUTHOR (S.M.QAIM,M.IBN MAJAH,R.WOELFLE,B.STROHMAIER) 2218000100007 INSTITUTE (2GERJUL) 2218000100008 (2AUSIRK) B.S. 2218000100009 COMMENT .THE ACTIVATION CROSS SECTIONS TO THE METASTABLE STATES2218000100010 90-Y-M AND 91-Y-M WERE MEASURED PREVIOUSLY AND ENTERED2218000100011 UNDER EXFOR 22144. 2218000100012 FACILITY (CYCLO,2GERJUL) VARIABLE ENERGY COMPACT CYCLOTRON CV28.2218000100013 INC-SOURCE (D-D ) DEUTERON ENERGY VARIED TO PRODUCE QUASI- 2218000100014 MONOENERGETIC NEUTRONS IN THE RANGE 6.5 TO 10.6 MEV. 2218000100015 SAMPLE .HIGH PURITY NATURAL ZRO2 PACKED IN A POLYVINYL 2218000100016 CHLORIDE CAPSULE OF 1.1 CM DIAM, 2.6 CM LENGTH AND 2218000100017 0.1 CM WALL THICKNESS. THE AL OR FE 200 MICRON MONITOR2218000100018 FOILS WERE ATTACHED AT THE FRONT AND BACK. THE SAMPLE 2218000100019 WAS IRRADIATED IN THE 0 DEG DIRECTION. 2218000100020 .MONITORED NEUTRON FLUX DENSITIES AT THE SAMPLE 2218000100021 POSITION RANGED BETWEEN 8.2E+6 AND 2.7E+7 N/CM2/SEC. 2218000100022 METHOD (ACTIV) COUNTING WAS STARTED SEVERAL DAYS AFTER 2218000100023 IRRADIATION TO ALLOW THE COMPLETE DECAY OF 90-Y-M AND 2218000100024 91-Y-M TO THE RESPECTIVE GROUND STATES. 2218000100025 (CHSEP) CHEMICAL SEPARATION OF YTTRIUM. THE CHEMICAL 2218000100026 YIELD WAS ABOUT 80%, DETERMINED GRAVIMETRICALLY AND 2218000100027 ALSO BY NEUTRON ACTIVATION ANALYSIS; THE TWO RESULTS 2218000100028 AGREED WITHIN 5%. 2218000100029 DETECTOR (GELI ) LOW LEVEL B- COUNTING, PERFORMED OVER A PERIOD 2218000100030 OF ABOUT ONE YEAR. 2218000100031 PART-DET (DG ) 2218000100032 CORRECTION .COUNT RATES CORRECTED FOR CHEMICAL YIELD, ABSORPTION 2218000100033 IN THE COUNTER WINDOW, FINITE-SIZE GEOMETRY, DETECTOR 2218000100034 EFFICIENCY. 2218000100035 .DECAY RATES OF 90-Y-G AND 91-Y-G WERE CORRECTED FOR 2218000100036 CONTRIBUTIONS FROM BACKGROUND NEUTRONS (GAS-OUT/GAS-IN2218000100037 RESULTS AND DEUTERON BREAKUP ON H-2 GAS). 2218000100038 ERR-ANALYS .ENERGY RESOLUTION (+- HWHM) FROM ENERGY SPREADS DUE TO2218000100039 ANGLE OF EMISSION. 2218000100040 (ERR-T) TOTAL ERROR. 2218000100041 STATUS .DATA TAKEN FROM TABLE 1 OF MAIN REFERENCE. 2218000100042 HISTORY (910417C) S.W. 2218000100043 (910523E) 2218000100044 (910716U) S.W. SUBENTS 002 AND 003 2218000100045 (910722E) 2218000100046 ENDBIB 44 0 2218000100047 NOCOMMON 0 0 2218000100048 ENDSUBENT 47 0 2218000199999 SUBENT 22180002 19910523 00002218000200001 BIB 6 7 2218000200002 REACTION (40-ZR-90(N,P)39-Y-90,,SIG) 2218000200003 DECAY-DATA (39-Y-90-G,64.1HR,B-,2300.,0.99) 2218000200004 MONITOR (26-FE-56(N,P)25-MN-56,,SIG) DATA FROM ENDF/B-V 2218000200005 DECAY-MON (25-MN-56,2.58HR,DG,847.,0.9887) 2218000200006 STATUS .DATA TAKEN FROM TABLE 1 OF MAIN REFERENCE. 2218000200007 HISTORY (910417C) S.W. 2218000200008 (910523E) 2218000200009 ENDBIB 7 0 2218000200010 NOCOMMON 0 0 2218000200011 DATA 6 2 2218000200012 EN EN-RSL-HW DATA ERR-T MONIT MONIT-ERR 2218000200013 MEV MEV MB MB MB PER-CENT 2218000200014 6.4800E+00 1.9000E-01 3.1000E+00 5.0000E-01 2.1600E+01 6.0000E+002218000200015 7.7000E+00 1.3000E-01 5.6000E+00 6.0000E-01 3.9000E+01 5.0000E+002218000200016 ENDDATA 4 0 2218000200017 ENDSUBENT 16 0 2218000299999 SUBENT 22180003 19910716 00002218000300001 BIB 7 10 2218000300002 REACTION (40-ZR-90(N,P)39-Y-90,,SIG) 2218000300003 DECAY-DATA (39-Y-90-G,64.1HR,B-,2300.,0.99) 2218000300004 MONITOR (13-AL-27(N,A)11-NA-24,,SIG) 2218000300005 DECAY-MON (11-NA-24-G,15.0HR,DG,1368.,1.00) 2218000300006 MONIT-REF (,VONACH,R,STI/DOC/10-227,59,8310) 2218000300007 STATUS .DATA TAKEN FROM TABLE 1 OF MAIN REFERENCE. 2218000300008 HISTORY (910417C) S.W. 2218000300009 (910523E) 2218000300010 (910716U) S.W. ERR-T WAS DATA-ERR 2218000300011 (910722E) 2218000300012 ENDBIB 10 0 2218000300013 NOCOMMON 0 0 2218000300014 DATA 6 6 2218000300015 EN EN-RSL-HW DATA ERR-T MONIT MONIT-ERR 2218000300016 MEV MEV MB MB MB PER-CENT 2218000300017 8.2100E+00 1.3000E-01 1.1200E+01 1.2000E+00 4.6200E+01 3.2000E+002218000300018 8.7200E+00 1.4000E-01 9.7000E+00 1.2000E+00 6.0100E+01 7.6000E+002218000300019 9.1900E+00 1.9000E-01 1.5700E+01 2.2000E+00 7.0600E+01 8.9000E+002218000300020 9.6400E+00 2.2000E-01 1.5200E+01 2.2000E+00 8.2600E+01 8.9000E+002218000300021 1.0130E+01 2.3000E-01 2.0500E+01 2.3000E+00 9.2700E+01 4.5000E+002218000300022 1.0610E+01 2.2000E-01 2.1700E+01 2.4000E+00 9.9700E+01 4.5000E+002218000300023 ENDDATA 8 0 2218000300024 ENDSUBENT 23 0 2218000399999 SUBENT 22180004 19910523 00002218000400001 BIB 6 7 2218000400002 REACTION (40-ZR-91(N,P)39-Y-91,,SIG) 2218000400003 DECAY-DATA (39-Y-91-G,58.5D,B-,1540.,1.0) 2218000400004 MONITOR (26-FE-56(N,P)25-MN-56,,SIG) DATA FROM ENDF/B-V 2218000400005 DECAY-MON (25-MN-56,2.58HR,DG,847.,0.9887) 2218000400006 STATUS .DATA TAKEN FROM TABLE 1 OF MAIN REFERENCE. 2218000400007 HISTORY (910417C) S.W. 2218000400008 (910523E) 2218000400009 ENDBIB 7 0 2218000400010 NOCOMMON 0 0 2218000400011 DATA 6 3 2218000400012 EN EN-RSL-HW DATA ERR-T MONIT MONIT-ERR 2218000400013 MEV MEV MB MB MB PER-CENT 2218000400014 6.4800E+00 1.9000E-01 3.0000E+00 1.0000E+00 2.1600E+01 6.0000E+002218000400015 7.1800E+00 1.3000E-01 3.7000E+00 7.0000E-01 3.4100E+01 5.5000E+002218000400016 7.7000E+00 1.3000E-01 4.9000E+00 7.0000E-01 3.9000E+01 5.0000E+002218000400017 ENDDATA 5 0 2218000400018 ENDSUBENT 17 0 2218000499999 SUBENT 22180005 19910716 00002218000500001 BIB 7 10 2218000500002 REACTION (40-ZR-91(N,P)39-Y-91,,SIG) 2218000500003 DECAY-DATA (39-Y-91-G,58.5D,B-,1540.,1.0) 2218000500004 MONITOR (13-AL-27(N,A)11-NA-24,,SIG) 2218000500005 DECAY-MON (11-NA-24-G,15.0HR,DG,1368.,1.00) 2218000500006 MONIT-REF (,VONACH,R,STI/DOC/10-227,59,8310) 2218000500007 STATUS .DATA TAKEN FROM TABLE 1 OF MAIN REFERENCE. 2218000500008 HISTORY (910417C) S.W. 2218000500009 (910523E) 2218000500010 (910716U) S.W. ERR-T WAS DATA-ERR 2218000500011 (910722E) 2218000500012 ENDBIB 10 0 2218000500013 NOCOMMON 0 0 2218000500014 DATA 6 5 2218000500015 EN EN-RSL-HW DATA ERR-T MONIT MONIT-ERR 2218000500016 MEV MEV MB MB MB PER-CENT 2218000500017 8.2100E+00 1.3000E-01 6.7000E+00 9.0000E-01 4.6200E+01 3.2000E+002218000500018 8.7200E+00 1.4000E-01 8.0000E+00 1.3000E+00 6.0100E+01 7.6000E+002218000500019 9.1900E+00 1.9000E-01 9.9000E+00 1.5000E+00 7.0600E+01 8.9000E+002218000500020 9.6400E+00 2.2000E-01 1.2200E+01 2.0000E+00 8.2600E+01 8.9000E+002218000500021 1.0130E+01 2.3000E-01 1.4500E+01 2.4000E+00 9.2700E+01 4.5000E+002218000500022 ENDDATA 7 0 2218000500023 ENDSUBENT 22 0 2218000599999 ENDENTRY 5 0 2218099999999