ENTRY 22240 19931129 00002224000000001 SUBENT 22240001 19931129 00002224000100001 BIB 14 56 2224000100002 REFERENCE (J,PR/C,46,(6),2364,9212) MAIN REF. 2224000100003 TITLE -ELECTRIC AND MAGNETIC DIPOLE TRANSITIONS FROM BROAD 2224000100004 S-WAVE NEUTRON RESONANCE IN VEN-EVEN SD-SHELL NUCLEI. 2224000100005 AUTHOR (H.KITAZAWA,M.IGUASHIRA,M.SHIMUZU,K.MUTO,T.ODA, 2224000100006 Y.ACHIHA,Y.H.LEE,N.MUKAI) 2224000100007 INSTITUTE (2JPNTIT) 2224000100008 FACILITY (VDG )THE 3.2MV PELLETRON ACCELERATOR OF THE RESEARCH 2224000100009 LAB FOR NUCL REACTORS IN THE TOKYO INSTITUT OF 2224000100010 TECKNOLOGY WAS USED. 2224000100011 INC-SOURCE (P-LI7 ) PULSED NEUTRONS WERE PRODUCED FROM LI(P,N) 2224000100012 REACTION BY BOMBARDING LI-EVAPORATED CU DISK WITH 2224000100013 1.5 NS BUNCHED PROTON BEAM (10MICRO-A AND 20HZ) 2224000100014 METHOD (TOF )USING A NEUTRON TOF TECHNIQUE GAMMA-RAY SPECTRA 2224000100015 FROM NEUTRON CAPTURE ON THE S-WAVE RESONANCES IN MG24 2224000100016 SI28 AND S32 WERE MEASURED (658,180,103 KEV 2224000100017 RESONANCES RESPECTIVELY). AU197 SAMPLES WERE 2224000100018 ALTERNATELY USED TO NORMALISE THE CAPTURE GAMMA-RAY 2224000100019 YIELDS IN EACH NUCLEUS AND THUS DETERMINE THEIR 2224000100020 CAPTURE CROSS-SECTIONS.THE YIELD OF AU197 WAS RELATED 2224000100021 TO THE ENDFB-V CROSS-SECTIONS BY MEANS OF A PULSE 2224000100022 HEIGHT WEIGHING TECHNIQUE. 2224000100023 SAMPLE .CAPTURE SAMPLES WERE DISKS OF NATURAL MG, SI AND S 2224000100024 WHICH WERE PLACED AT 156 MM FROM THE N-SOURCE AT RIGHT2224000100025 ANGLES TO THE P-BEAM DIRECTION. THICKNESS WAS DETERMI-2224000100026 NED AS TO GIVE 70PERCENT TRANSMISSION AT EACH 2224000100027 RESONANCE PEAK 2224000100028 MG (6.8E-2 AT/B) 2224000100029 SI (4.61E-2 AT/B) 2224000100030 S (3.63E-2 AT/B) 2224000100031 AU197 SAMPLES WERE USED FOR NORMALISATION OF THE 2224000100032 CAPTURE GAMMA-RAYS. 2224000100033 DETECTOR (SCIN,NAICR) CAPTURE GAMMA-RAYS WERE DETECTED WITH A 2224000100034 NAI(TI) ANTI-COMPTON DETECFOR (76BY125MM), PLACED AT 2224000100035 80 CM FROM THE SAMPLE WITH ITS AXIS AT 125 DEGREES TO 2224000100036 THE P-BEAM DIRECTION. THE RESPONSE FUNCTIONS OF THE 2224000100037 GAMMA-RAY DETETCTOR WAS DETERMINED USING CALIBRATED 2224000100038 RADIOACTIVE SOURCES, AND AM/BE NEUTRON SOURCE AND THE 2224000100039 FE19(P,AG) AND AL27(P,G) REACTIONS. LI6H POWDER WAS 2224000100040 INSERTED IN FRONT OF THE DTECTOR IN ORDER TO REMOVE 2224000100041 NEUTRONS STRONGLY SCATTERED BY THE SAMPLE INTO THE 2224000100042 DETECTOR.A 102 BY6.4MM LI6-GLASS SCINTIL. DETECTOR, 2224000100043 POSITIONED AT 7 DEGREES ANGLE AND 1.5 M FROM N-SOURCE,2224000100044 WAS USED TO MEASURE THE INCIDENT N-SPECTRA BY MEANS 2224000100045 OF TOF WITHOUT THE SAMPLE. A 2ND LI6-GLASS SCINT. 2224000100046 DETECTOR PLACED AT 45 DEGREES WAS USED TO NORMALISE 2224000100047 NEUTRON COUNTS. 2224000100048 PART-DET (G )CAPTURE GAMMA-RAYS WERE STORED AS TWO-DIM DATA 2224000100049 ON TOF AND PULSE HEIGHT. 2224000100050 (N ) 2224000100051 CORRECTION .CORRECTION WERE MADE FOR NEUTRON MULTIPLE SCATTERING, 2224000100052 NEUTRON SELF-SHIELDING AND FOR GAMMA-RAY ATTENUATION 2224000100053 IN THE SAMPLE. 2224000100054 ERR-ANALYS (DATA-ERR) 2224000100055 STATUS .DATA TAKEN FROM MAIN REF. 2224000100056 HISTORY (930818C) N.O. 2224000100057 (931129E) 2224000100058 ENDBIB 56 0 2224000100059 NOCOMMON 0 0 2224000100060 ENDSUBENT 59 0 2224000199999 SUBENT 22240002 19931129 00002224000200001 BIB 3 4 2224000200002 REACTION (14-SI-28(N,G),PAR,WID) 2224000200003 STATUS .DATA TAKEN FROM TABLE IV OF THE MAIN REF. 2224000200004 HISTORY (930818C) N.O. 2224000200005 (931129E) 2224000200006 ENDBIB 4 0 2224000200007 COMMON 1 3 2224000200008 EN-RES 2224000200009 KEV 2224000200010 180. 2224000200011 ENDCOMMON 3 0 2224000200012 DATA 3 4 2224000200013 E-LVL-FIN DATA DATA-ERR 2224000200014 KEV EV EV 2224000200015 0. 1.53 0.31 2224000200016 1273. 1.45 0.33 2224000200017 4934. 0.90 0.33 2224000200018 6381. 0.45 0.19 2224000200019 ENDDATA 6 0 2224000200020 ENDSUBENT 19 0 2224000299999 SUBENT 22240003 19931129 00002224000300001 BIB 3 4 2224000300002 REACTION (16-S-32(N,G),PAR,WID) 2224000300003 STATUS .DATA TAKEN FROM TABLE V OF THE MAIN REF. 2224000300004 HISTORY (930818C) N.O. 2224000300005 (931129E) 2224000300006 ENDBIB 4 0 2224000300007 COMMON 1 3 2224000300008 EN-RES 2224000300009 KEV 2224000300010 103. 2224000300011 ENDCOMMON 3 0 2224000300012 DATA 3 5 2224000300013 E-LVL-FIN DATA DATA-ERR 2224000300014 KEV EV EV 2224000300015 0. 0.99 0.15 2224000300016 840. 1.01 0.16 2224000300017 3220. 1.36 0.15 2224000300018 4210. 0.66 0.15 2224000300019 5715. 0.27 0.09 2224000300020 ENDDATA 7 0 2224000300021 ENDSUBENT 20 0 2224000399999 SUBENT 22240004 19931129 00002224000400001 BIB 3 4 2224000400002 REACTION (12-MG-24(N,G),PAR,WID) 2224000400003 STATUS .DATA TAKEN FROM TABLE VII OF THE MAIN REF. 2224000400004 HISTORY (930701C) N.O. 2224000400005 (931129E) 2224000400006 ENDBIB 4 0 2224000400007 COMMON 1 3 2224000400008 EN-RES 2224000400009 KEV 2224000400010 658. 2224000400011 ENDCOMMON 3 0 2224000400012 DATA 3 6 2224000400013 E-LVL-FIN DATA DATA-ERR 2224000400014 KEV EV EV 2224000400015 585. 0.59 0.42 2224000400016 975. 0.45 0.15 2224000400017 2801. 0.23 0.13 2224000400018 3414. 0.17 0.11 2224000400019 4277. -0.08 0.14 2224000400020 5474. -0.11 0.13 2224000400021 ENDDATA 8 0 2224000400022 ENDSUBENT 21 0 2224000499999 ENDENTRY 4 0 2224099999999