ENTRY 22023 19861212 00002202300000001 SUBENT 22023001 19861212 00002202300100001 BIB 18 44 2202300100002 INSTITUTE (2GERJUL) 2202300100003 (2ZZZGEL) H.L. 2202300100004 REFERENCE (J,PR/C,34,(2),489,8608) 2202300100005 AUTHOR (S.M.QAIM,R.WOELFLE,H.LISKIEN) 2202300100006 TITLE -EXCITATION FUNCTION OF NB-93(N,HE-3)Y-91 REACTION 2202300100007 NEAR ITS THRESHOLD, COMPARISON OF HE-3 AND H-3 2202300100008 EMISSION PROBABILITIES. 2202300100009 FACILITY (VDG,2ZZZGEL) 2202300100010 INC-SOURCE (D-T) WATER-COOLED TI(T) (2 MG/CM2) TARGET BOMBARDED 2202300100011 BY 50 MICROAMPS OF 3 MEV DEUTERONS. 2202300100012 .NEUTRON FLUXES BETWEEN 7.*10**6 AND 8.7*10**6 2202300100013 CM-2*S-1. 2202300100014 SAMPLE .NIOBIUM SHEETS, THICKNESS 3 MM, PURITY 99.9 PER CENT. 2202300100015 METHOD (ACTIV) 2202300100016 (CHSEP) 2202300100017 DETECTOR (GELI) LARGE GE(LI) USED FOR GAMMA COUNTING. 2202300100018 .LOW-LEVEL ANTICOINCIDENCE BETA- DETECTOR USED FOR 2202300100019 BETA COUNTING. 2202300100020 MONITOR (41-NB-93(N,2N)41-NB-92-M,,SIG) INTERNAL MONITOR 2202300100021 MONIT-REF (,A.PAULSEN+,J,ZP,238,23,70) 2202300100022 DECAY-MON (41-NB-92-M,10.15D,DG,934.,.992) 2202300100023 COMMENT .THE SAMPLES WERE ARRANGED IN A COMPACT SEMISPHERICAL 2202300100024 GEOMETRY. THE ARRANGEMENT COULD BE DIVIDED INTO THREE 2202300100025 ANGULAR RANGES, CORRESPONDING TO THREE DIFFERENT 2202300100026 NEUTRON ENERGIES. 2202300100027 ADD-RES .RATIO OF HE-3 TO H-3 CROSS SECTIONS ARE GIVEN (GRAPH).2202300100028 STATUS .DATA WERE TAKEN FROM MAIN REF. 2202300100029 HISTORY (861106C) NO. 2202300100030 (861212E) 2202300100031 CORRECTION .CORRECTIONS WERE APPLIED FOR NEUTRON ENERGY DE- 2202300100032 GRADATION AND MEAN NEUTRON FLUX. 2202300100033 .CORRECTIONS WERE ALSO APPLIED FOR DECAY, CHEMICAL 2202300100034 YIELD, SELF-ABSORPTION, EFFICIENCY OF THE DETECTORS, 2202300100035 ETC. 2202300100036 ERR-ANALYS (ERR-T) TOTAL ERRORS INCLUDE- 2202300100037 STATISTICAL ERROR 3.5-11.3 PER CENT 2202300100038 ERROR IN EXC.FUNC. OF MONITOR 8. PER CENT 2202300100039 EFFICIENCY OF GAMMA DETECTOR 2. PER CENT 2202300100040 EFFICIENCY OF BETA- DETECTOR 15. PER CENT 2202300100041 IRRADIATION GEOMETRY 10. PER CENT 2202300100042 GAMMA COUNTING GEOMETRY 2. PER CENT 2202300100043 BETA- COUNTING GEOMETRY 5. PER CENT 2202300100044 NEUTRON SCATTERING CALCULATION 3. PER CENT 2202300100045 CHEMICAL YIELD DETERMINATION 2. PER CENT 2202300100046 ENDBIB 44 0 2202300100047 NOCOMMON 0 0 2202300100048 ENDSUBENT 47 0 2202300199999 SUBENT 22023002 19870309 00002202300200001 BIB 4 5 2202300200002 REACTION (41-NB-93(N,X)39-Y-91,,SIG) 2202300200003 DECAY-DATA (39-Y-91-G,58.5D,B-,1540.,1.) 2202300200004 STATUS .DATA WERE TAKEN FROM MAIN REF. 2202300200005 HISTORY (861106C) NO. 2202300200006 (861212E) 2202300200007 ENDBIB 5 0 2202300200008 NOCOMMON 0 0 2202300200009 DATA 4 3 2202300200010 EN EN-RSL-HW DATA ERR-T 2202300200011 MEV MEV MICRO-B MICRO-B 2202300200012 1.9210E+01 3.7000E-01 2.9600E+01 6.3000E+00 2202300200013 1.8310E+01 5.3000E-01 1.1600E+01 2.5000E+00 2202300200014 1.7010E+01 7.6000E-01 5.5000E+00 1.3000E+00 2202300200015 ENDDATA 5 0 2202300200016 ENDSUBENT 15 0 2202300299999 ENDENTRY 2 0 2202399999999