ENTRY 30021 20130131 31583002100000001 SUBENT 30021001 20130131 31583002100100001 BIB 16 43 3002100100002 TITLE A study of the spontaneously-fissioning isomer of 3002100100003 Am-242 through the Am-241(n,g) reaction 3002100100004 AUTHOR (G.N.Flerov,A.A.Pleve,S.M.Polikanov,S.P.Tretyakova, 3002100100005 I.Boca,M.Sezon,I.Vilcov,N.Vilcov) 3002100100006 INSTITUTE (3RUMBUC,4ZZZDUB) 3002100100007 REFERENCE (J,NP/A,102,443,1967)Experiment description, graph, 3002100100008 no data 3002100100009 (R,IFA-CRD-34,196705) Same inform as NP/A,102,443,10/673002100100010 (J,RRP,13,181,196802) Short description, curves 3002100100011 (J,NP/A,134,541,1969)Discussion only, corrected curves 3002100100012 (J,NP/A,97,444,1967)Preliminary result only, half-life 3002100100013 (R,IFA-CRD-32,196610) Same as NP/A,97,444,4/67 3002100100014 (J,SCF,22,795,197007) Review 3002100100015 (R,IFA-CRD-54,1973) Results of NP/A 134,1969. 3002100100016 FACILITY (CYCLO,3RUMBUC) Cyclotron providing protons with 3002100100017 energies of 4.5, 7.5 And 9.8 MeV, beam current 3002100100018 10-15 micro Amp 3002100100019 INC-SOURCE (P-LI7) Li-7(p,n)Be-7 Reaction, Li foils from 100 - 5003002100100020 micrometer thick were held between Ta plates, neutron 3002100100021 energy varied through incoming proton beam energy 3002100100022 variation using Ta absorbers 3002100100023 INC-SPECT Energy spread due to target thickness and solid angle 3002100100024 was about 450 keV for energy 0.3 MeV and 1.3 MeV for 3002100100025 energies 3-6.5 MeV 3002100100026 DETECTOR 12 fission fragment mica detectors were placed on 3002100100027 rotating disc in front of sample. Neutron flux was 3002100100028 monitored through gamma activity of Li target, gamma 3002100100029 activity of Cu foil placed near sample and Mg monitor 3002100100030 for energies over 5 MeV 3002100100031 PART-DET (FF) fission fragments 3002100100032 MONITOR absolute measurement 3002100100033 METHOD (FISCT) fission fragment counting 3002100100034 CORRECTION Numerical data given are higher than published values 3002100100035 due to improved estimate of geometrical factors 3002100100036 ERR-ANALYS (DATA-ERR) No details on data errors 3002100100037 STATUS (TABLE) Data from priv. commun. N.Vilcov, 01-1970 3002100100038 COMMENT Data from priv. communication as given supersede all 3002100100039 published values and graphs 3002100100040 HISTORY (19700820C) 3002100100041 (19900117A) VOF.- Complete update.ref added 3002100100042 reaction code moved to sub 2 3002100100043 (20070731A) BIB sect.updated+Dates convert.+lower case 3002100100044 (20121228A) VS REACTION corrected. DECAY-DATA added. 3002100100045 ENDBIB 43 0 3002100100046 NOCOMMON 0 0 3002100100047 ENDSUBENT 46 0 3002100199999 SUBENT 30021002 20130131 31583002100200001 BIB 2 2 3002100200002 REACTION (95-AM-241(N,G)95-AM-242-L,,SIG) 3002100200003 DECAY-DATA (95-AM-242-L,14.MSEC) 3002100200004 ENDBIB 2 0 3002100200005 NOCOMMON 0 0 3002100200006 DATA 4 9 3002100200007 EN EN-RSL DATA DATA-ERR 3002100200008 MEV MEV MICRO-B MICRO-B 3002100200009 0.30 0.30 3.5 3.5 3002100200010 0.50 0.45 4.8 1.6 3002100200011 0.90 0.45 15.2 2.0 3002100200012 1.10 0.45 15.2 2.0 3002100200013 1.35 0.45 20.0 3.0 3002100200014 1.60 0.45 14.7 3.0 3002100200015 3.10 0.45 5.3 1.3 3002100200016 6.10 0.80 0.0 5.0 3002100200017 6.80 0.80 6.7 5.0 3002100200018 ENDDATA 11 0 3002100200019 ENDSUBENT 18 0 3002100299999 ENDENTRY 2 0 3002199999999