ENTRY 30455 20210414 31993045500000001 SUBENT 30455001 20210414 31993045500100001 BIB 13 34 3045500100002 TITLE Fission fragment angular distributions for neutron 3045500100003 fission of 232Th and their interpretation with a 3045500100004 triple-humped fission barrier 3045500100005 AUTHOR (J.Caruana, J.W.Boldeman, R.L.Walsh) 3045500100006 INSTITUTE (3AULWUC,3AULAUA,2FR BRC) 3045500100007 REFERENCE (J,NP/A,285,205,1977) 3045500100008 (C,77KIEV,3,52,197704) 3045500100009 Same result as Nucl.Phys.A285. 3045500100010 SAMPLE Electro-plated to a thickness of ~0.5 ug/cm2 over 3045500100011 circular area of 125 mm2 on a thin Ni backing. 3045500100012 It was positioned at an average distance of 83 mm from 3045500100013 the detector. 3045500100014 FACILITY (VDG,3AULAUA) 3 MeV Van de Graaff accelerator 3045500100015 INC-SOURCE (P-T) 3045500100016 DETECTOR (SIBAR) Six 400mm2 Si surface barrier detectors. 3045500100017 Isotropic angular distribution from 235U(nth,f) 3045500100018 induced by thermal neutron produced within the 3045500100019 detector system surrounded by a 65 mm thick polythene 3045500100020 was used to calibrate the relative efficiencies of 3045500100021 six detectors. 3045500100022 METHOD Detection of fission fragments at 5, 26, 37, 55, 73 3045500100023 and 90 degrees with respect to the incident neutron 3045500100024 beam direction. 3045500100025 CORRECTION Corrected for 3045500100026 - non-uniform flux distribution and the effect of 3045500100027 the finite sizes of proton beam. 3045500100028 - the lab. to centre-of-mass solid angle reduction. 3045500100029 ERR-ANALYS (ERR-S) Statistical accuracies 3045500100030 STATUS (TABLE) Table 1 of Nucl.Phys.285(1977)205 3045500100031 HISTORY (19780627C) KO. 3045500100032 (19790929U) KO. Final publication added. 3045500100033 (19880406U) TMK. INC-SOURCE corrected. 3045500100034 (20090310U) SD:Updated to new date formats,lower case. 3045500100035 (20210414A) On. Major revision in 002-003. 3045500100036 ENDBIB 34 0 3045500100037 COMMON 1 3 3045500100038 EN-RSL-HW 3045500100039 KEV 3045500100040 50. 3045500100041 ENDCOMMON 3 0 3045500100042 ENDSUBENT 41 0 3045500199999 SUBENT 30455002 20210414 31993045500200001 BIB 2 2 3045500200002 REACTION (90-TH-232(N,F),,DA,FF,RSD) 3045500200003 HISTORY (20210414U) On. Original numerical expression restored.3045500200004 ENDBIB 2 0 3045500200005 COMMON 1 3 3045500200006 ANG 3045500200007 ADEG 3045500200008 0. 3045500200009 ENDCOMMON 3 0 3045500200010 DATA 3 10 3045500200011 EN DATA ERR-S 3045500200012 MEV NO-DIM NO-DIM 3045500200013 1.35 0.922 0.033 3045500200014 1.42 0.789 0.034 3045500200015 1.55 0.419 0.025 3045500200016 1.60 0.388 0.021 3045500200017 1.65 0.457 0.026 3045500200018 1.75 0.978 0.045 3045500200019 1.80 1.134 0.038 3045500200020 1.85 1.072 0.028 3045500200021 1.90 1.214 0.035 3045500200022 1.95 1.482 0.043 3045500200023 ENDDATA 12 0 3045500200024 ENDSUBENT 23 0 3045500299999 SUBENT 30455003 20210414 31993045500300001 BIB 2 2 3045500300002 REACTION (90-TH-232(N,F),,DA,FF,LEG/RSD) 3045500300003 HISTORY (20210414A) On. Vector common formalism cancelled. 3045500300004 ENDBIB 2 0 3045500300005 NOCOMMON 0 0 3045500300006 DATA 4 20 3045500300007 EN NUMBER DATA ERR-S 3045500300008 MEV NO-DIM NO-DIM NO-DIM 3045500300009 1.35 2. 0.041 0.018 3045500300010 1.35 4. -0.212 0.022 3045500300011 1.42 2. -0.044 0.019 3045500300012 1.42 4. -0.212 0.023 3045500300013 1.55 2. -0.206 0.015 3045500300014 1.55 4. -0.393 0.017 3045500300015 1.60 2. -0.191 0.012 3045500300016 1.60 4. -0.449 0.014 3045500300017 1.65 2. -0.191 0.016 3045500300018 1.65 4. -0.372 0.018 3045500300019 1.75 2. 0.075 0.024 3045500300020 1.75 4. -0.211 0.029 3045500300021 1.80 2. 0.125 0.020 3045500300022 1.80 4. -0.109 0.024 3045500300023 1.85 2. 0.051 0.016 3045500300024 1.85 4. -0.010 0.019 3045500300025 1.90 2. 0.147 0.018 3045500300026 1.90 4. -0.040 0.022 3045500300027 1.95 2. 0.277 0.020 3045500300028 1.95 4. -0.002 0.025 3045500300029 ENDDATA 22 0 3045500300030 ENDSUBENT 29 0 3045500399999 ENDENTRY 3 0 3045599999999