ENTRY 20707 19840127 00002070700000001 SUBENT 20707001 19840127 00002070700100001 BIB 17 46 2070700100002 INSTITUTE (2UK HAR) NUCLEAR PHYSICS DIVISION. 2070700100003 REFERENCE (J,JP/G,1,(9),967,75) 2070700100004 (P,UKNDC-P-71,9,7507) 2070700100005 (P,UKNDC-P-63,27,7407) 2070700100006 (C,74PETTEN,,294,7409) 2070700100007 AUTHOR (T.J.HASTE,B.W.THOMAS) 2070700100008 TITLE -INVESTIGATION OF RESONANCE CAPTURE GAMMA RAY SPECTRA 2070700100009 IN THE 93NB(N,GAMMA)94NB REACTION- 2070700100010 FACILITY (LINAC) HARWELL 45MEV ELECTRON LINAC. 2070700100011 INC-SOURCE .NEUTRON BOOSTER TARGET. 2070700100012 .NEUTRON PULSE WIDTH WAS ABOUT 0.2MICROS WITH A 2070700100013 REPETITION FREQUENCY OF 192HZ. 2070700100014 SAMPLE .30G OF NIOBIUM PENTOXIDE IN A 95MM DIAMETER 2070700100015 ALUMINIUM SAMPLE CAN FOR LOW ENERGY GAMMA-RUN, 2070700100016 75MM DIAMETER METALLIC DISC OF THICKNESS 3MM (MASS 2070700100017 114G) AND A 12MM THICK NIOBIUM METAL SAMPLE FOR 2070700100018 STUDIES UP TO 6KEV NEUTRON ENERGY. 2070700100019 METHOD (TOF ) TIME-OF-FLIGHT AND GAMMA-PULSE-HEIGHT IN 2070700100020 COINCIDENCE. 2070700100021 .RUNNING PERIOD WAS 6 WEEKS ON A 10M FLIGHT PATH. 2070700100022 DETECTOR (GELI ) 30CM3 FOR LOW ENERGY GAMMA-RAYS, 2070700100023 9CM3 PLANAR FOR HIGH ENERGY GAMMA-RAYS. 2070700100024 PART-DET (G ) 2070700100025 ANALYSIS .NO DETAILS GIVEN. 2070700100026 MONITOR .THE LOW ENERGY GAMMA-RAY ENERGY CALIBRATION WAS 2070700100027 DETERMINED RELATIVE TO THERMAL CAPTURE FROM NATURAL 2070700100028 CHROMIUM AND TITANIUM TOGETHER WITH GAMMA-RAYS FROM 2070700100029 Y-88 AND NA-24 SOURCES. 2070700100030 .FOR THE HIGH ENERGIES THERMAL CAPTURE GAMMA-RAYS 2070700100031 FROM IRON,CALCIUM,SILICON AND HYDROGEN WERE USED FOR 2070700100032 CALIBRATION. 2070700100033 CORRECTION .CORRECTIONS WERE MADE FOR TANTALUM AND GERMANIUM 2070700100034 RESONANCE CONTAMINATION. 2070700100035 ERR-ANALYS .FOR THE MEASUREMENT WITH THE 12MM THICK SAMPLE A 2070700100036 MULTIPLE SCATTERING CORRECTION OF ABOUT 40PC WAS 2070700100037 MADE. 2070700100038 .THE ESTIMATED STANDARD ERROR FOR ANY RESONANCE LINE 2070700100039 IS +-2KEV DUE TO UNCERTAINTY IN PEAK POSITION. 2070700100040 COMMENT .EXTENSIVE THEORETICAL WORK WAS CARRIED OUT COMPARING 2070700100041 THE EXPERIMENTAL FINDINGS WITH STATISTICAL THEORY. 2070700100042 .THE AUTHORS CONCLUDE THAT THERE IS STRONG EVIDENCE 2070700100043 FOR NON-STATISTICAL PROCESSES ON THE 93NB(N,GAMMA) 2070700100044 94NB REACTION. 2070700100045 STATUS .DATA TAKEN FROM JP/G 1,967. 2070700100046 HISTORY (770810C) 2070700100047 (771114E) 2070700100048 ENDBIB 46 0 2070700100049 NOCOMMON 0 0 2070700100050 ENDSUBENT 49 0 2070700199999 SUBENT 20707002 19840127 00002070700200001 BIB 2 3 2070700200002 REACTION 1(41-NB-93(N,0),,EN) 2070700200003 2(41-NB-93(N,0),,L) 2070700200004 HISTORY (771212A) SUBENTRIES 2 AND 3 COMBINED (NNDC). 2070700200005 ENDBIB 3 0 2070700200006 NOCOMMON 0 0 2070700200007 DATA 3 26 2070700200008 DATA 1SPIN J DATA 2 2070700200009 EV NO-DIM NO-DIM 2070700200010 3.5800E+01 5.0000E+00 1.0000E+00 2070700200011 4.2300E+01 4.0000E+00 1.0000E+00 2070700200012 9.4300E+01 3.0000E+00 1.0000E+00 2070700200013 1.0580E+02 4.0000E+00 0.0000E+00 2070700200014 1.1920E+02 5.0000E+00 0.0000E+00 2070700200015 1.9380E+02 5.0000E+00 0.0000E+00 2070700200016 2.4370E+02 4.0000E+00 1.0000E+00 2070700200017 3.1900E+02 5.0000E+00 1.0000E+00 2070700200018 3.3550E+02 4.0000E+00 0.0000E+00 2070700200019 3.7840E+02 5.0000E+00 0.0000E+00 2070700200020 3.9250E+02 1.0000E+00 2070700200021 4.6030E+02 5.0000E+00 0.0000E+00 2070700200022 5.0060E+02 5.0000E+00 1.0000E+00 2070700200023 6.4080E+02 5.0000E+00 0.0000E+00 2070700200024 6.7200E+02 1.0000E+00 2070700200025 6.7820E+02 1.0000E+00 2070700200026 7.2130E+02 4.0000E+00 1.0000E+00 2070700200027 7.4140E+02 4.0000E+00 0.0000E+00 2070700200028 9.3470E+02 5.0000E+00 0.0000E+00 2070700200029 9.5270E+02 1.0000E+00 2070700200030 1.0090E+03 4.0000E+00 0.0000E+00 2070700200031 1.0164E+03 6.0000E+00 1.0000E+00 2070700200032 1.1477E+03 5.0000E+00 0.0000E+00 2070700200033 1.1753E+03 4.0000E+00 0.0000E+00 2070700200034 1.3931E+03 4.0000E+00 0.0000E+00 2070700200035 1.4520E+03 4.0000E+00 0.0000E+00 2070700200036 ENDDATA 28 0 2070700200037 ENDSUBENT 36 0 2070700299999 ENDENTRY 2 0 2070799999999