ENTRY 22395 20101108 22232239500000001 SUBENT 22395001 20101108 22232239500100001 BIB 12 30 2239500100002 TITLE Measurement of the U-238 fission cross-section 2239500100003 at 34-MeV, 46-MeV and 61-MeV neutron energies 2239500100004 AUTHOR (W.D.Newhauser,H.J.Brede,V.Dangendorf,W.Mannhart, 2239500100005 J.P.Meulders,U.J.Schrewe,H.Schuhmacher) 2239500100006 INSTITUTE (2GERPTB) 2239500100007 (2BLGLVN) Meulders 2239500100008 REFERENCE (C,97TRIEST,2,1236,199705) Main reference, data given 2239500100009 (C,97TRIEST,1,388,199705) Experimental details, 2239500100010 neutron field characteristics are given. 2239500100011 First author H.Schuhmacher. 2239500100012 (T,NEWHAUSER,1995) Experimental details 2239500100013 FACILITY (CYCLO,2BLGLVN) Cyclotron facility of Louvain 2239500100014 METHOD (TOF) Flight path is 11 m 2239500100015 ANALYSIS PUlse-height analysis providing discrimination of 2239500100016 fission events from background pulses 2239500100017 DETECTOR (FISCH) .Fission chamber 2239500100018 (SCIN) .NE123 liquid scintillator for measuring tof 2239500100019 spectra and relative neutron fluence 2239500100020 (TELES) .Proton recoil telescope for absolute fluence 2239500100021 measurements 2239500100022 INC-SOURCE (P-LI7) .3 mm thicK Li-7 target struck by protons at 2239500100023 500 ns intervals, pulse width is 2+-1 ns 2239500100024 CORRECTION .Corrections were made for fission fragments self- 2239500100025 absorption - 0.957, for fission events lost below 2239500100026 pulse-height threshold - 0.978, for neutron scatt. 2239500100027 in the fission-chamber structural components - 1.016. 2239500100028 STATUS (TABLE) Data from text,p.1237 of C,97TRIEST,2,1236,19972239500100029 HISTORY (19980729C) + + Compiled by S.Maev + + 2239500100030 (20101108A) M.M. BIB information was added. 2239500100031 Upper to lower case corrections. 2239500100032 ENDBIB 30 0 2239500100033 NOCOMMON 0 0 2239500100034 ENDSUBENT 33 0 2239500199999 SUBENT 22395002 20101108 22232239500200001 BIB 5 14 2239500200002 REACTION (92-U-238(N,F),,SIG) 2239500200003 REFERENCE (W,NOLTE,20101116) R.Nolte private communication. 2239500200004 SAMPLE .Sample placed in fission chamber contains eleven 2239500200005 plates having 86-mm diameter. Five of these are 2239500200006 platinum and bare painted deposits of U-238 on both 2239500200007 sides. Six remaining are of tantalum and serve 2239500200008 as the ion chamber's collectors. 2239500200009 .Interelectrode spacing is 5 mm. U-238 deposits cover 2239500200010 a circular area 76 mm in diameter and has 436 mg/cm**22239500200011 thickness 2239500200012 STATUS (SPSDD,23078002) In 23078002- data re-analyzed. 2239500200013 (APRVD) Approved by Ralf Nolte 19 Nov.2010. 2239500200014 HISTORY (20101116D) Data were superseded according to comment 2239500200015 of Ralf Nolte. 2239500200016 ENDBIB 14 0 2239500200017 NOCOMMON 0 0 2239500200018 NODATA 0 0 2239500200019 ENDSUBENT 18 0 2239500299999 ENDENTRY 2 0 2239599999999