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