ENTRY 21537 19810205 00002153700000001 SUBENT 21537001 19810205 00002153700100001 BIB 12 31 2153700100002 INSTITUTE (2FR ILL) EXPERIMENTAL SITE, M.ASGHAR. 2153700100003 (2FR LYO) A.EMSALLEM. 2153700100004 (2BLGMOL) C.WAGEMANS. 2153700100005 (2BLGGHT) P.D'HONDT, C.WAGEMANS. 2153700100006 REFERENCE (J,ZP/A,286,411,78) 2153700100007 (P,LYCEN-01,27,74) ABSTRACT, NO DATA GIVEN. 2153700100008 (P,BLG-524,,77) WAGEMANS+, P.5-12, ABSTRACT. 2153700100009 (P,INDC(SEC)-62,,7710) WAGEMANS+, ABSTRACT. 2153700100010 AUTHOR (A.EMSALLEM,M.ASGHAR,C.WAGEMANS,P.D'HONDT) 2153700100011 TITLE -SEARCH FOR THE (N,A)-REACTION ON HF-180, TA-181 2153700100012 AND BI-209.- 2153700100013 FACILITY (REAC,2FR ILL) 87 M CURVED NEUTRON GUIDE OF THE 2153700100014 H.F.R., THERMAL FLUX ABOUT 1.E+09 N/CM*CM*SEC, 2153700100015 CD-RATIO ABOUT 1.E+06, PRIMARY GAMMA FLUX DOWN BY 2153700100016 A FACTOR OF 1.E+06. 2153700100017 INC-SOURCE (REAC ) 2153700100018 INC-SPECT .THERMAL MAXWELLIAN NEUTRON SPECTRUM FROM HFR. 2153700100019 DETECTOR (SOLST) SI(AU) SURFACE BARRIER DETECTORS, 450 MM*MM 2153700100020 AREA, 100 MICRO-METERS DEPLETION DEPTH, AT ABOUT 2153700100021 5 CM FROM TARGET. ENERGY RESOLUTION ABOUT 50-60 KEV 2153700100022 FOR ALPHAS. ENERGY CALIBRATION WITH SM-149(N,A)ND-146 2153700100023 COMMENT .COMPARED WITH STATISTICAL THEORY. THE THEORETICAL 2153700100024 VALUES ARE 1.E+03 - 1.E+05 TIMES LOWER THAN THE 2153700100025 PRESENT UPPER LIMIT VALUES. THE RESULTS ARE IN 2153700100026 DISAGREEMENT WITH THE RESULTS OF ALAM AND SEHGAL, 2153700100027 NP/A,205,614(1973) AND NP/A,235,307(1974). 2153700100028 STATUS .TEXT ZP/A,286,411. 2153700100029 HISTORY (800508C) G.C. 2153700100030 (800603E) 2153700100031 ERR-ANALYS .RESULTS ARE UPPERLIMITS, REPRESENTING A 95 PERC 2153700100032 CONFIDENCE LEVEL. 2153700100033 ENDBIB 31 0 2153700100034 COMMON 1 3 2153700100035 EN-DUMMY 2153700100036 EV 2153700100037 2.5300E-02 2153700100038 ENDCOMMON 3 0 2153700100039 ENDSUBENT 38 0 2153700199999 SUBENT 21537002 19800603 00002153700200001 BIB 6 13 2153700200002 REACTION (72-HF-180(N,A)70-YB-177-G,,SIG,,MXW) ALPHA PARTICLES 2153700200003 OF 6.75 +- 0.01 MEV. 2153700200004 SAMPLE .PREPARED BY ION IMPLANTATION WITH THE LYON ISOTOPE 2153700200005 SEPARATOR. METAL ENRICHED TO ABOUT 99 PERC IN HF-180 2153700200006 ON 20 MICRO-METERS THICK AL BACKING. 20 MICRO-GRAMS/ 2153700200007 CM*CM. 2153700200008 MONITOR (62-SM-149(N,A)60-ND-146,,SIG,,MXW) ALPHA PARTICLES 2153700200009 OF 9.178 MEV. 2153700200010 COMMENT .THE MEASUREMENT HAS BEEN CHECKED BY GAMMA-RAY 2153700200011 SPECTROSCOPY WITH A GE(LI)-DETECTOR. 2153700200012 STATUS .TEXT, ZP/A,286,411. 2153700200013 HISTORY (800509C) G.C. 2153700200014 (800603E) 2153700200015 ENDBIB 13 0 2153700200016 NOCOMMON 0 0 2153700200017 DATA 3 1 2153700200018 MONIT MONIT-ERR DATA-MAX 2153700200019 MB MB MB 2153700200020 5.2300E+00 1.7000E-01 1.3000E-02 2153700200021 ENDDATA 3 0 2153700200022 ENDSUBENT 21 0 2153700299999 SUBENT 21537003 19800603 00002153700300001 BIB 6 12 2153700300002 REACTION (73-TA-181(N,A)71-LU-178-G,,SIG,,MXW) ALPHA PARTICLES 2153700300003 OF 7.247 +- 0.05 MEV. 2153700300004 SAMPLE .PREPARED BY EVAPORATION. 120 MICRO-GRAMS/CM*CM 2153700300005 OXIDE WITH PURITY OF ABOUT 99 PERC ON 20 MICRO-METER 2153700300006 THICK AL-BACKING. 2153700300007 MONITOR (62-SM-149(N,A)60-ND-146,,SIG,,MXW) ALPHA PARTICLES OF 2153700300008 9.178 MEV. 2153700300009 COMMENT .THE MEASUREMENT HAS BEEN CHECKED BY GAMMA-RAY 2153700300010 SPECTROSCOPY WITH A GE(LI) DETECTOR. 2153700300011 STATUS .TEXT ZP/A,286,411. 2153700300012 HISTORY (800509C) G.C. 2153700300013 (800603E) 2153700300014 ENDBIB 12 0 2153700300015 NOCOMMON 0 0 2153700300016 DATA 3 1 2153700300017 MONIT MONIT-ERR DATA-MAX 2153700300018 MB MB MB 2153700300019 5.2300E+00 1.7000E-01 1.0000E-03 2153700300020 ENDDATA 3 0 2153700300021 ENDSUBENT 20 0 2153700399999 SUBENT 21537004 19800603 00002153700400001 BIB 6 12 2153700400002 REACTION (83-BI-209(N,A)81-TL-206-G,,SIG,,MXW) ALPHA 2153700400003 PARTICLES OF 9.45 +- 0.005 MEV. 2153700400004 SAMPLE .PREPARED BY EVAPORATION. LAYER OF 239 MICRO-GRAMS/ 2153700400005 CM*CM ON 20 MICRONS THICK AL-BACKING. METAL OF 2153700400006 PURITY GREATER THAN 99 PERCENT. 2153700400007 MONITOR (83-BI-209(N,G)83-BI-210-G,,SIG,,MXW) VALUE NOT 2153700400008 GIVEN. MEASURED WITH 5.304 MEV ALPHAS FROM PO-210. 2153700400009 COMMENT .THE MONITOR-REACTION USED IS MORE ACCURATE THAN THE 2153700400010 SM-149(N,A)ND-146 REACTION. 2153700400011 STATUS .TEXT, ZP/A,286,411. 2153700400012 HISTORY (800509C) G.C. 2153700400013 (800603E) 2153700400014 ENDBIB 12 0 2153700400015 NOCOMMON 0 0 2153700400016 DATA 1 1 2153700400017 DATA-MAX 2153700400018 MB 2153700400019 3.0000E-04 2153700400020 ENDDATA 3 0 2153700400021 ENDSUBENT 20 0 2153700499999 SUBENT 21537005 19810205 00002153700500001 BIB 6 12 2153700500002 REACTION (83-BI-209(N,A)81-TL-206,PAR,SIG,,MXW) ALPHA 2153700500003 PARTICLES OF 9.193 +- 0.005 MEV, 262. KEV LVL. 2153700500004 SAMPLE .PREPARED BY EVAPORATION. LAYER OF 239 MICRO-GRAMS/ 2153700500005 CM*CM ON 20 MICRONS THICK AL-BACKING. METAL OF 2153700500006 PURITY GREATER THAN 99 PERCENT. 2153700500007 MONITOR (83-BI-209(N,G)83-BI-210-G,,SIG,,MXW) VALUE NOT 2153700500008 GIVEN. MEASURED WITH 5.304 MEV ALPHAS FROM PO-210. 2153700500009 COMMENT .THE MONITOR-REACTION USED IS MORE ACCURATE THAN THE 2153700500010 SM-149(N,A)ND-146 REACTION. 2153700500011 STATUS .TEXT, ZP/A,286,411. 2153700500012 HISTORY (800509C) G.C. 2153700500013 (800603E) 2153700500014 ENDBIB 12 0 2153700500015 NOCOMMON 0 0 2153700500016 DATA 2 1 2153700500017 E-LVL DATA-MAX 2153700500018 KEV MB 2153700500019 2.6200E+02 4.0000E-04 2153700500020 ENDDATA 3 0 2153700500021 ENDSUBENT 20 0 2153700599999 ENDENTRY 5 0 2153799999999