ENTRY 20918 19801218 00002091800000001 SUBENT 20918001 19801218 00002091800100001 BIB 15 34 2091800100002 INSTITUTE (2GERTUE) 2091800100003 REFERENCE (J,ZN/A,23,1229,6808) 2091800100004 AUTHOR (M.BRENDLE,M.MORIKE,G.STAUDT,G.STEIDLE) 2091800100005 TITLE -THE C-12(N,ALPHA0)BE-9 REACTION AT 13.9 AND 15.6 MEV- 2091800100006 FACILITY (VDG ) VAN DE GRAAFF GENERATOR. 2091800100007 INC-SOURCE (D-T ) NEUTRON INTENSITY AT SAMPLE = 5X10**6 PER 2091800100008 CM-SQ PER SEC. 2091800100009 SAMPLE .NATURAL CARBON 0.4 MG/CM-SQ AND 1.0 MG/CM-SQ THICK 2091800100010 ON A TANTALUM BACKING. 2091800100011 METHOD .DIRECT DETECTION OF EMITTED PARTICLES. 2091800100012 DETECTOR (TELES) COUNTER TELESCOPE CONSISTING OF TWO CO2 2091800100013 GAS PROPORTIONAL DELTA-E COUNTERS AND A 2091800100014 SILICON SEMICONDUCTOR E COUNTER. 2091800100015 (LONGC) LONG COUNTER USED TO MONITOR NEUTRON FLUX. 2091800100016 MONITOR (2-HE-4(N,EL)2-HE-4,,SIG) HELIUM GAS TARGET PLACED 2091800100017 IN TARGET POSITION TO CALIBRATE THE NEUTRON 2091800100018 FLUX USING A CROSS SECTION CALCULATED FROM 2091800100019 THE PHASE SHIFTS OF HOOP AND BARSHALL IN 2091800100020 J,NP,83,65,(1966). 2091800100021 PART-DET (A ) ALPHAS 2091800100022 STATUS .DATA FROM PUBLICATION. 2091800100023 HISTORY (790508C) 2091800100024 (790628E) 2091800100025 (801212A) REFERENCE AND REACTION STRING IN SUBENT 2091800100026 003 CORRECTED. 2091800100027 (801218E) 2091800100028 CORRECTION .BACKGROUND RUNS WITH TANTALUM BACKING ALONE. 2091800100029 ERR-ANALYS .TOTAL NEUTRON ENERGY SPREAD GIVEN AS 0.3MEV 2091800100030 SYMMETRICAL ABOUT THE MEAN ENERGY OF 13.9 MEV 2091800100031 AND 0.5 MEV SYMMETRICAL ABOUT THE MEAN ENERGY 2091800100032 OF 15.6 MEV. 2091800100033 .ANGULAR DISTRIBUTION FUNCTION OF THE TELESCOPE 2091800100034 WAS CALCULATED BY A MONTE CARLO TECHNIQUE AS 2091800100035 TYPICALLY 15 DEGREES. 2091800100036 ENDBIB 34 0 2091800100037 NOCOMMON 0 0 2091800100038 ENDSUBENT 37 0 2091800199999 SUBENT 20918002 19790628 00002091800200001 BIB 2 6 2091800200002 REACTION (6-C-12(N,A)4-BE-9,PAR,DA) 2091800200003 .TRANSITION TO THE GROUND STATE ONLY WAS MEASURED 2091800200004 BECAUSE OF CONTAMINATION OF LOWER ENERGY ALPHAS BY 2091800200005 THOSE FROM THE C-12(N,3A) REACTION. 2091800200006 STATUS .THE ANGULAR DISTRIBUTION IS GIVEN IN THE PUBLICATION 2091800200007 IN GRAPHICAL FORM AT 13.9 AND 15.6 MEV. 2091800200008 ENDBIB 6 0 2091800200009 NOCOMMON 0 0 2091800200010 NODATA 0 0 2091800200011 ENDSUBENT 10 0 2091800299999 SUBENT 20918003 19810722 00002091800300001 BIB 6 13 2091800300002 REACTION (6-C-12(N,A)4-BE-9,PAR,SIG) 2091800300003 ANALYSIS (INTAD) INTEGRATION OF MEASURED ANGULAR DISTRIBUTION. 2091800300004 EN-SEC .TRANSITION TO THE GROUND STATE ONLY WAS MEASURED 2091800300005 BECAUSE OF CONTAMINATION OF LOWER ENERGY ALPHAS 2091800300006 BY THOSE FROM THE C-12(N,3A) REACTION. 2091800300007 FLAG (1.) INTEGRATION ONLY BETWEEN 0 AND 125 DEG.-CM. 2091800300008 STATUS (DEP ) TABLE 1. DATA OBTAINED BY INTEGRATION OF 2091800300009 THE ANGULAR DISTRIBUTIONS OF FIG 2 OF THE 2091800300010 PUBLICATION. 2091800300011 HISTORY (790508C) 2091800300012 (790628E) 2091800300013 (801212A) 2091800300014 (801218E) 2091800300015 ENDBIB 13 0 2091800300016 COMMON 1 3 2091800300017 E-LVL 2091800300018 MEV 2091800300019 0.0000E+00 2091800300020 ENDCOMMON 3 0 2091800300021 DATA 5 2 2091800300022 EN EN-RSL DATA DATA-ERR FLAG 2091800300023 MEV MEV MB MB NO-DIM 2091800300024 1.3900E+01 1.5000E-01 7.9000E+01 2.0000E+01 1.0000E+00 2091800300025 1.5600E+01 2.5000E-01 7.7000E+01 2.0000E+01 2091800300026 ENDDATA 4 0 2091800300027 ENDSUBENT 26 0 2091800399999 ENDENTRY 3 0 2091899999999