ENTRY 41555 20191116 41844155500000001 SUBENT 41555001 20191116 41844155500100001 BIB 6 15 4155500100002 TITLE Applications of He-3 neutron detectors. 4155500100003 AUTHOR (A.Svirikhin, Yu.Oganessian,D.A.Testov, Ch.Briancon, 4155500100004 S.N.Dmitriev, A.V.Yeremin,Yu.E.Penionzhkevich, 4155500100005 Yu.V.Pyatkov, E.A.Sokol) 4155500100006 INSTITUTE (4ZZZDUB) D.A.Testov, S.N.Dmitriev, A.V.Yeremin, 4155500100007 Yu.E.Penionzhkevich, E.A.Sokol. 4155500100008 (4RUSMIF) Yu.V.Pyatkov. 4155500100009 (2FR CSN) Ch.Briancon. 4155500100010 REFERENCE (S,AIP-1175,297,2009) Db-268 data. 4155500100011 (J,YF,72,4,2009) Issue 1. First author D.A.Testov. 4155500100012 Db-268 SF NU (without error). 4155500100013 (J,PAN,72,1,2009) Engl.translation of J,YF,72. 4155500100014 FACILITY (OLMS,4ZZZDUB) On-line separator VASILISA. 4155500100015 HISTORY (20110329C) M.M. 4155500100016 (20191116U) Year of AIP-1175 was corrected 2010-> 2009.4155500100017 ENDBIB 15 0 4155500100018 NOCOMMON 0 0 4155500100019 ENDSUBENT 18 0 4155500199999 SUBENT 41555002 20110329 41524155500200001 BIB 5 22 4155500200002 REACTION (105-DB-268(0,F),,NU) 4155500200003 SAMPLE Isotope Db-268 was produced as product of five 4155500200004 consecutive alpha-decays of super-heavy element 4155500200005 115-NN-288 - result of fusion evaporation reaction 4155500200006 Am-243 + Ca-48. 4155500200007 DETECTOR (HE3SP) Neutron detector had 72 He-3 counters 4155500200008 distributed in a polyethylene moderator as three 4155500200009 concentric rings at different distances from the 4155500200010 chambers with the counting samples. 4155500200011 (SOLST) Four identical chambers with two semiconductor 4155500200012 detectors in each. Chambers were placed inside neutron 4155500200013 detector. 4155500200014 The detector array was calibrated Cm-248 and Cf-252 4155500200015 sources. 4155500200016 Fission fragments detection efficiency - about 90%. 4155500200017 Neutron detection average efficiency - about 40%. 4155500200018 METHOD (FISCT) 15 spontaneous fission events with half-life 4155500200019 32(with error +11,-7) hour and 25 neutrons were 4155500200020 detected during the first 174 hours of measurements of4155500200021 total time 957 hours. 4155500200022 STATUS (TABLE) Abstract and text, page 298, of S,AIP-1175,297.4155500200023 Text, page 7 of J,YF,72,(1),4,2009. 4155500200024 ENDBIB 22 0 4155500200025 NOCOMMON 0 0 4155500200026 DATA 2 1 4155500200027 DATA DATA-ERR 4155500200028 PRT/FIS PRT/FIS 4155500200029 4.2 1.0 4155500200030 ENDDATA 3 0 4155500200031 ENDSUBENT 30 0 4155500299999 ENDENTRY 2 0 4155599999999