ENTRY 20839 20150721 22432083900000001 SUBENT 20839001 20150721 22432083900100001 BIB 14 62 2083900100002 INSTITUTE (2FR BRC) 2083900100003 REFERENCE ((R,NEANDC(E)-180,1978)=(R,INDC(FR)-13,1978)) graphs 2083900100004 and tables of differential cr.sect. at En=2.5 MeV 2083900100005 (C,76LOWELL,1330,197606) Short presentation, graphs 2083900100006 and comparison with coupled channel model calculations 2083900100007 (P,CEA-N-1969,32,197706) Short presentation, graphs. 2083900100008 (C,78HARWELL,508,197809) Graphs. 2083900100009 REL-REF (O,20801001,G.Haouat+,R,NEANDC(E)-196,1978) Diff. cr. 2083900100010 section data at En=3.4 MeV. 2083900100011 (O,21782001,G.Haouat+,J,NSE,81,(4),491,1982) Graphs, 2083900100012 final publ.,differential cr.sect. at 0.6-2.0 MeV and 2083900100013 integral cr.sections at En between 0.6 -3.4 MeV 2083900100014 AUTHOR (G.Haouat,J.Sigaud,J.Lachkar,Ch.Lagrange,B.Duchemin, 2083900100015 Y.Patin) 2083900100016 TITLE Differential cross section measurements of fast 2083900100017 neutron scattering for Pb-208, Th-232 and U-238 2083900100018 at 2.5 MeV. 2083900100019 FACILITY (VDGT,2FR BRC) Super EN tandem Van de Graaff. 2083900100020 INC-SOURCE (P-LI7) 4.18 MeV proton beam, pulsed at 2.5MHz 2083900100021 and bunched into bursts with a time dispersion 2083900100022 of 1ns (FWHM). with post-pulse bunching this 2083900100023 was reduced to 0.7ns. Average current 1.5 micro-A. 2083900100024 .The target consisted of 99.8% pure Li evaporated on a 2083900100025 2-cm-diameter by 1-mm- thick tantalum disc. The energy2083900100026 spread of the incident neutrons, due to lithium 2083900100027 thickness, was about 10 keV. 2083900100028 DETECTOR (SCIN) Recoil proton detectors, 10cm by 2.5cm 2083900100029 NE 213 scintillators optically coupled to XP 1040 2083900100030 photomultipliers. Each detector shielded with 2083900100031 1600 kg lead and paraffin loaded with Li-Co3 and 2083900100032 borax. Four 1 m shadow bars of polyethylene and 2083900100033 lead shielded the source. Intermediate collimators 2083900100034 of paraffin loaded with Li-Co3 and borax reduced 2083900100035 time independent background. 2083900100036 MONITOR (3-LI-7(P,N)4-BE-7,PAR,SIG,G) 431keV gammas from 2083900100037 1st ms decay of Be-7. 2083900100038 (3-LI-7(P,INL)3-LI-7,PAR,SIG,G) 478 keV gammas 2083900100039 from 1st ms decay of Li-7. 2083900100040 PART-DET (N) Neutrons 2083900100041 CORRECTION .Background correction by sample in, sample out 2083900100042 subtraction. 2083900100043 .Corrected for incident beam anisotropy, sample 2083900100044 finite size, neutron flux attenuation in sample, 2083900100045 multiple scattering and geometrical effects (method 2083900100046 of Kinney). 2083900100047 ERR-ANALYS (ERR-T) Total error includes 2083900100048 (DATA-ERR,1.,25.) Counting statistics and background 2083900100049 subtraction 1-25%. 2083900100050 (ERR-1,,1.) Monitor less than 1%. 2083900100051 (ERR-2,1.,2.) Detector efficiency 1- 2%. 2083900100052 (ERR-3,1.,3.) Sample corrections 1- 3%. 2083900100053 STATUS (TABLE) .Table II and text of NEANDC(E)-180. 2083900100054 HISTORY (19790213C) 2083900100055 (19801113A) G.C., Monitor reaction strings corrected. 2083900100056 (19820915A) A.P.T. NSE reference added. 2083900100057 (20150721A) SD:Updated to new date formats,lower case. 2083900100058 Corrections according last EXFOR rules and Dict. 2083900100059 Ref. on NEANDC(E)-180 update. REL-REF added. Ref. on 2083900100060 J,NSE,81,(4),491 moved to REL-REF. 2083900100061 DATA units were changed (mb -> mb/sr) in Subents 2-8. 2083900100062 BIB update. Page of ref. 76LOWELL,1327 corrected. 2083900100063 Ref. NSE,81,491,1982 moved to REL-REF. 2083900100064 ENDBIB 62 0 2083900100065 COMMON 2 3 2083900100066 EN EN-ERR 2083900100067 MEV MEV 2083900100068 2.5 0.01 2083900100069 ENDCOMMON 3 0 2083900100070 ENDSUBENT 69 0 2083900199999 SUBENT 20839002 20150721 22432083900200001 BIB 3 7 2083900200002 REACTION (82-PB-208(N,EL)82-PB-208,,DA) 2083900200003 SAMPLE (82-PB-208,ENR=0.865) The Pb sample was solid metal 2083900200004 cylinder, having number of atoms (0.294 mole) 2083900200005 with diam 1.5 cm, height 3.1 cm. 2083900200006 HISTORY (19801113A) G.C., Data headings changed. 2083900200007 (20150721A) SD: DATA units were changed (mb -> mb/sr), 2083900200008 DATA -> DATA-CM. 2083900200009 ENDBIB 7 0 2083900200010 NOCOMMON 0 0 2083900200011 DATA 3 19 2083900200012 ANG-CM DATA-CM ERR-T 2083900200013 ADEG MB/SR MB/SR 2083900200014 20.1 2616.4 78.5 2083900200015 30.1 1504.9 76.7 2083900200016 35.1 1058.1 31.7 2083900200017 40.2 683.4 23.2 2083900200018 50.2 384.1 20.7 2083900200019 55.2 303.8 17.0 2083900200020 60.2 237.1 11.9 2083900200021 70.2 193.4 10.4 2083900200022 75.2 177.4 8.0 2083900200023 80.2 170.6 7.5 2083900200024 90.2 218.4 11.4 2083900200025 95.2 252.7 14.4 2083900200026 100.2 323.4 14.2 2083900200027 110.2 315.3 15.8 2083900200028 120.2 281.0 11.8 2083900200029 130.2 234.6 10.8 2083900200030 140.2 210.6 7.8 2083900200031 150.1 287.5 12.9 2083900200032 160.1 552.2 23.7 2083900200033 ENDDATA 21 0 2083900200034 ENDSUBENT 33 0 2083900299999 SUBENT 20839003 20150721 22432083900300001 BIB 3 7 2083900300002 REACTION (90-TH-232(N,EL)90-TH-232,,DA) 2083900300003 SAMPLE The thorium sample was cast of natural metal 2083900300004 cylinder, having number of atoms (0.294 mole) 2083900300005 with diam 1.5 cm, height 3.4 cm. 2083900300006 HISTORY (19801113A) G.C., Data headings changed. 2083900300007 (20150721A) SD: DATA units were changed (mb -> mb/sr), 2083900300008 DATA -> DATA-CM. 2083900300009 ENDBIB 7 0 2083900300010 NOCOMMON 0 0 2083900300011 DATA 3 19 2083900300012 ANG-CM DATA-CM ERR-T 2083900300013 ADEG MB/SR MB/SR 2083900300014 20.1 2697.1 80.9 2083900300015 30.1 1443.7 43.3 2083900300016 35.1 787.4 31.5 2083900300017 40.2 434.6 21.7 2083900300018 50.2 56.5 3.1 2083900300019 55.2 7.5 0.5 2083900300020 60.2 9.0 0.7 2083900300021 70.2 85.4 5.3 2083900300022 75.2 110.5 5.2 2083900300023 80.2 130.7 6.5 2083900300024 90.2 136.7 8.6 2083900300025 95.2 103.2 8.3 2083900300026 100.2 94.0 5.6 2083900300027 110.2 52.3 2.6 2083900300028 120.2 18.7 0.5 2083900300029 130.2 3.5 0.6 2083900300030 140.2 8.4 1.1 2083900300031 150.1 28.6 1.7 2083900300032 160.1 65.6 3.5 2083900300033 ENDDATA 21 0 2083900300034 ENDSUBENT 33 0 2083900399999 SUBENT 20839004 20150721 22432083900400001 BIB 3 7 2083900400002 REACTION (90-TH-232(N,INL)90-TH-232,PAR,DA) 2083900400003 SAMPLE The thorium sample was cast of natural metal 2083900400004 cylinder, having number of atoms (0.294 mole) 2083900400005 with diam 1.5 cm, height 3.4 cm. 2083900400006 HISTORY (19801113A) G.C., Data headings changed. 2083900400007 (20150721A) SD: DATA units were changed (mb -> mb/sr), 2083900400008 DATA -> DATA-CM. 2083900400009 ENDBIB 7 0 2083900400010 COMMON 1 3 2083900400011 E-LVL 2083900400012 KEV 2083900400013 50. 2083900400014 ENDCOMMON 3 0 2083900400015 DATA 3 15 2083900400016 ANG-CM DATA-CM ERR-T 2083900400017 ADEG MB/SR MB/SR 2083900400018 50.2 59.3 5.9 2083900400019 55.2 51.9 4.8 2083900400020 60.2 46.8 4.7 2083900400021 70.2 49.1 5.2 2083900400022 75.2 44.0 4.8 2083900400023 80.2 48.0 4.8 2083900400024 90.2 40.9 3.1 2083900400025 95.2 25.8 3.1 2083900400026 100.2 30.0 3.3 2083900400027 110.2 23.5 2.4 2083900400028 120.2 26.5 2.8 2083900400029 130.2 30.3 3.1 2083900400030 140.2 34.8 3.5 2083900400031 150.1 31.8 3.1 2083900400032 160.1 32.8 3.0 2083900400033 ENDDATA 17 0 2083900400034 ENDSUBENT 33 0 2083900499999 SUBENT 20839005 20150721 22432083900500001 BIB 3 7 2083900500002 REACTION (90-TH-232(N,INL)90-TH-232,PAR,DA) 2083900500003 SAMPLE The thorium sample was cast of natural metal 2083900500004 cylinder, having number of atoms (0.294 mole) 2083900500005 with diam 1.5 cm, height 3.4 cm. 2083900500006 HISTORY (19801113A) G.C., Data headings changed. 2083900500007 (20150721A) SD: DATA units were changed (mb -> mb/sr), 2083900500008 DATA -> DATA-CM. 2083900500009 ENDBIB 7 0 2083900500010 COMMON 1 3 2083900500011 E-LVL 2083900500012 KEV 2083900500013 162. 2083900500014 ENDCOMMON 3 0 2083900500015 DATA 3 15 2083900500016 ANG-CM DATA-CM ERR-T 2083900500017 ADEG MB/SR MB/SR 2083900500018 40.2 13.6 2.2 2083900500019 50.2 17.0 3.7 2083900500020 55.2 16.2 2.5 2083900500021 60.2 18.0 2.7 2083900500022 70.2 16.8 2.5 2083900500023 75.2 15.3 2.4 2083900500024 80.2 15.5 2.6 2083900500025 90.2 16.6 2.5 2083900500026 95.2 14.1 1.8 2083900500027 100.2 13.2 2.0 2083900500028 110.2 7.3 1.2 2083900500029 120.2 5.7 0.9 2083900500030 130.2 4.3 0.8 2083900500031 140.2 3.1 0.8 2083900500032 150.1 3.3 0.9 2083900500033 ENDDATA 17 0 2083900500034 ENDSUBENT 33 0 2083900599999 SUBENT 20839006 20150721 22432083900600001 BIB 3 7 2083900600002 REACTION (92-U-238(N,EL)92-U-238,,DA) 2083900600003 SAMPLE (92-U-238,ENR=0.997) The U sample was machined from 2083900600004 depleted uranium cylinder, having number of atoms 2083900600005 (0.294 mole) with diam 1.5 cm, height 2.1 cm. 2083900600006 HISTORY (19801113A) G.C., Data headings changed. 2083900600007 (20150721A) SD: DATA units were changed (mb -> mb/sr), 2083900600008 DATA -> DATA-CM. 2083900600009 ENDBIB 7 0 2083900600010 NOCOMMON 0 0 2083900600011 DATA 3 19 2083900600012 ANG-CM DATA-CM ERR-T 2083900600013 ADEG MB/SR MB/SR 2083900600014 20.1 2768.8 83.1 2083900600015 30.1 1402.6 42.1 2083900600016 35.1 762.0 30.5 2083900600017 40.2 403.0 20.1 2083900600018 50.2 52.7 2.7 2083900600019 55.2 6.7 0.4 2083900600020 60.2 16.7 0.9 2083900600021 70.2 108.1 5.9 2083900600022 75.2 121.1 6.6 2083900600023 80.2 156.3 7.3 2083900600024 90.2 122.8 5.2 2083900600025 95.2 100.9 4.9 2083900600026 100.2 80.4 4.4 2083900600027 110.2 33.9 1.8 2083900600028 120.2 9.8 0.8 2083900600029 130.2 2.9 0.5 2083900600030 140.2 5.5 0.6 2083900600031 150.1 25.4 1.3 2083900600032 160.1 56.7 2.8 2083900600033 ENDDATA 21 0 2083900600034 ENDSUBENT 33 0 2083900699999 SUBENT 20839007 20150721 22432083900700001 BIB 3 7 2083900700002 REACTION (92-U-238(N,INL)92-U-238,PAR,DA) 2083900700003 SAMPLE (92-U-238,ENR=0.997) The U sample was machined from 2083900700004 depleted uranium cylinder, having number of atoms 2083900700005 (0.294 mole) with diam 1.5 cm, height 2.1 cm. 2083900700006 HISTORY (19801113A) G.C., Data headings changed. 2083900700007 (20150721A) SD: DATA units were changed (mb -> mb/sr), 2083900700008 DATA -> DATA-CM. 2083900700009 ENDBIB 7 0 2083900700010 COMMON 1 3 2083900700011 E-LVL 2083900700012 KEV 2083900700013 45. 2083900700014 ENDCOMMON 3 0 2083900700015 DATA 3 15 2083900700016 ANG-CM DATA-CM ERR-T 2083900700017 ADEG MB/SR MB/SR 2083900700018 50.2 40.1 4.4 2083900700019 55.2 37.5 4.1 2083900700020 60.2 40.8 4.3 2083900700021 70.2 55.7 6.6 2083900700022 75.2 53.7 5.8 2083900700023 80.2 52.4 5.0 2083900700024 90.2 47.0 3.3 2083900700025 95.2 36.0 3.6 2083900700026 100.2 29.0 2.9 2083900700027 110.2 20.4 1.9 2083900700028 120.2 23.0 3.5 2083900700029 130.2 40.2 4.1 2083900700030 140.2 36.2 3.6 2083900700031 150.1 31.7 2.9 2083900700032 160.1 31.9 3.3 2083900700033 ENDDATA 17 0 2083900700034 ENDSUBENT 33 0 2083900799999 SUBENT 20839008 20150721 22432083900800001 BIB 3 7 2083900800002 REACTION (92-U-238(N,INL)92-U-238,PAR,DA) 2083900800003 SAMPLE (92-U-238,ENR=0.997) The U sample was machined from 2083900800004 depleted uranium cylinder, having number of atoms 2083900800005 (0.294 mole) with diam 1.5 cm, height 2.1 cm. 2083900800006 HISTORY (19801113A) G.C., Data headings changed. 2083900800007 (20150721A) SD: DATA units were changed (mb -> mb/sr), 2083900800008 DATA -> DATA-CM. 2083900800009 ENDBIB 7 0 2083900800010 COMMON 1 3 2083900800011 E-LVL 2083900800012 KEV 2083900800013 148. 2083900800014 ENDCOMMON 3 0 2083900800015 DATA 3 15 2083900800016 ANG-CM DATA-CM ERR-T 2083900800017 ADEG MB/SR MB/SR 2083900800018 40.2 15.6 3.9 2083900800019 50.2 8.6 1.7 2083900800020 55.2 10.2 2.1 2083900800021 60.2 12.4 2.2 2083900800022 70.2 12.1 1.8 2083900800023 75.2 11.0 2.5 2083900800024 80.2 10.7 1.6 2083900800025 90.2 10.4 1.0 2083900800026 95.2 12.1 2.2 2083900800027 100.2 10.4 1.5 2083900800028 110.2 10.1 1.5 2083900800029 120.2 6.9 1.4 2083900800030 130.2 5.0 1.2 2083900800031 140.2 3.4 1.0 2083900800032 150.1 2.3 0.8 2083900800033 ENDDATA 17 0 2083900800034 ENDSUBENT 33 0 2083900899999 ENDENTRY 8 0 2083999999999