ENTRY 12858 19840918 00001285800000001 SUBENT 12858001 19840918 00001285800100001 BIB 13 29 1285800100002 INSTITUTE (1USAMIS,2JPNKTO) 1285800100003 REFERENCE (J,NST,20,983,8312) 1285800100004 AUTHOR (Y.FUJITA,T.OHSAWA,R.M.BUGGER,D.M.ALGER,W.H.MILLER) 1285800100005 TITLE MEASUREMENT OF NUCLEAR INELASTIC SCATTERING CROSS 1285800100006 SECTION OF THORIUM-232 FOR 144 KEV SI-FILTERED 1285800100007 NEUTRONS, 1285800100008 FACILITY (REAC,1USAMIS) UNIV. OF MISSOURI RESEARCH REACTOR. 1285800100009 METHOD FILTER-BEAM METHOD. 1285800100010 INC-SOURCE (REAC) SI-FILTERED NEUTRONS. 1285800100011 ONE MM THICK B10 PLATE SUPPRESSED THE THERMAL NEUTRONS1285800100012 MONITOR (90-TH-232(N,SCT)90-TH-232,,SIG) 1285800100013 THE SUM OF THE ELASTIC AND INELASTIC ANGLE INTEGRATED 1285800100014 DIFFERENTIAL CROSS SECTION WAS NORMALIZED TO 1285800100015 TOTAL (11.8+-0.1B)-CAPTURE (0.18+-0.017B). 1285800100016 DETECTOR SPHERICAL H2-GAS COUNTER. 1285800100017 SAMPLE TWO METALLIC TH PLATES EAC 5.08*5.08*0.318 CM3. 1285800100018 0.15 PERCENT OXYGEN IMPURITY WAS PRESENT IN THE 1285800100019 SAMPLES. 1285800100020 CORRECTION BACKGROUND GAMMAS WERE NEGLIGIBLE IN BACGROUND 1285800100021 SUBTRACTION. 1285800100022 ELASTIC SCATTRING BACKGROUND WAS MEASURED WITH 1285800100023 SAMPLE OUT OF THE BEAM. 1285800100024 FOR THE INELASTIC EXPERIMENT THE BACKGROUND WAS 1285800100025 MEASURED BY REPLACING THE TH-232 SAMPLE WITH A 1285800100026 LEAD SAMPLE IN THE BEAM. 1285800100027 STATUS DATA TAKEN FROM THE JOURNAL ARTICLE. 1285800100028 (APRVD) Y.FUJITA, 84/4/11. 1285800100029 HISTORY (840309C) 1285800100030 (840918A) BIB CORRECTION. 1285800100031 ENDBIB 29 0 1285800100032 COMMON 5 3 1285800100033 EN EN-ERR EN-RSL-FW MONIT MONIT-ERR 1285800100034 KEV KEV KEV B B 1285800100035 144. 0.5 15. 11.62 0.1 1285800100036 ENDCOMMON 3 0 1285800100037 ENDSUBENT 36 0 1285800199999 SUBENT 12858002 19840418 00001285800200001 BIB 3 4 1285800200002 REACTION (90-TH-232(N,EL)90-TH-232,,DA) 1285800200003 CORRECTION MULTIPLE SCATTERING CORRECTION FACTOR VARIED FROM 1285800200004 1.06 TO 0.89 FOR DIFFERENT ANGLES. 1285800200005 ERR-ANALYS (ERR-S) STATISICAL UNCERTAITIES. 1285800200006 ENDBIB 4 0 1285800200007 COMMON 1 3 1285800200008 ANG-RSL 1285800200009 ADEG 1285800200010 10. 1285800200011 ENDCOMMON 3 0 1285800200012 DATA 3 9 1285800200013 ANG DATA ERR-S 1285800200014 ADEG B/SR B/SR 1285800200015 30. 1.211 0.032 1285800200016 45. 1.162 0.027 1285800200017 60. 1.038 0.022 1285800200018 75. 0.919 0.054 1285800200019 90. 0.844 0.052 1285800200020 105. 0.760 0.026 1285800200021 120. 0.694 0.021 1285800200022 135. 0.649 0.028 1285800200023 150. 0.588 0.028 1285800200024 ENDDATA 11 0 1285800200025 ENDSUBENT 24 0 1285800299999 SUBENT 12858003 19840418 00001285800300001 BIB 3 13 1285800300002 REACTION (90-TH-232(N,INL)90-TH-232,,DA) 1285800300003 CORRECTION MULTIPLE SCATTERING CORRECTION FACTOR VARIED FROM 1285800300004 0.81 TO 0.73 FOR DIFFERENT ANGLES. 1285800300005 ERR-ANALYS (ERR-S) STATISTICAL UNCERTAINTIES. 1285800300006 FOR THE INELASTIC CROSS SECTION, THE MULTIPLE 1285800300007 SCATTERING CORRECTION IS ABOUT 25 PERCENT.THE 1285800300008 AUTHORS IMPOSE A 5 PERCENT UNCERTAINTY ON THE 1285800300009 DIFFERENTIAL INELASTIC SCATTERING CROSS SECTION. 1285800300010 THIS UNCERTAINTY IS ASSUMED TO BE CORRELATED 1285800300011 AT EACH SCATTERING ANGLE. 1285800300012 CORRECTION DUE TO SAMPLE IMPURITY WAS NEGLIGIBLE. 1285800300013 THE AUTHORS CLAIM THAT THE SYSTEMATIC ERRORS IN 1285800300014 UNFOLDING THE PULSE HEIGHT SPECTRUM IS NEGLIGIBLE. 1285800300015 ENDBIB 13 0 1285800300016 COMMON 1 3 1285800300017 ANG-RSL 1285800300018 ADEG 1285800300019 16. 1285800300020 ENDCOMMON 3 0 1285800300021 DATA 3 9 1285800300022 ANG DATA ERR-S 1285800300023 ADEG B/SR B/SR 1285800300024 30. 0.0579 0.006 1285800300025 45. 0.0676 0.007 1285800300026 60. 0.0552 0.006 1285800300027 75. 0.0570 0.006 1285800300028 90. 0.0641 0.006 1285800300029 105. 0.0583 0.006 1285800300030 120. 0.0596 0.006 1285800300031 135. 0.0566 0.006 1285800300032 150. 0.0521 0.005 1285800300033 ENDDATA 11 0 1285800300034 ENDSUBENT 33 0 1285800399999 SUBENT 12858004 19840418 00001285800400001 BIB 3 14 1285800400002 REACTION (90-TH-232(N,INL)90-TH-232,,SIG) 1285800400003 ERR-ANALYS (ERR-T) STATISTICAL UNCERTAINTIES AND THE FOLLOWING 1285800400004 UNCERTAINTIRS WERE CONSIDERED. 1285800400005 FOR THE INELASTIC CROSS SECTION, THE MULTIPLE 1285800400006 SCATTERING CORRECTION IS ABOUT 25 PERCENT.THE 1285800400007 AUTHORS IMPOSE A 5 PERCENT UNCERTAINTY ON THE 1285800400008 DIFFERENTIAL INELASTIC SCATTERING CROSS SECTION. 1285800400009 THIS UNCERTAINTY IS ASSUMED TO BE CORRELATED 1285800400010 AT EACH SCATTERING ANGLE. 1285800400011 CORRECTION DUE TO SAMPLE IMPURITY WAS NEGLIGIBLE. 1285800400012 THE AUTHORS CLAIM THAT THE SYSTEMATIC ERRORS IN 1285800400013 UNFOLDING THE PULSE HEIGHT SPECTRUM IS NEGLIGIBLE. 1285800400014 STATUS (DEP,12858003)INTEGRATED INELASTIC DIFFERENTIAL 1285800400015 CROSS SECTIONS. 1285800400016 ENDBIB 14 0 1285800400017 NOCOMMON 0 0 1285800400018 DATA 2 1 1285800400019 DATA ERR-T 1285800400020 B B 1285800400021 0.74 0.05 1285800400022 ENDDATA 3 0 1285800400023 ENDSUBENT 22 0 1285800499999 ENDENTRY 4 0 1285899999999