ENTRY 41774 20240822 4177400000001 SUBENT 41774001 20240822 20250110 4177400100001 BIB 13 42 4177400100002 TITLE Characteristics of spontaneous fission of No-250 4177400100003 AUTHOR (A.I.Svirikhin,A.V.Andreev,A.V.Yeremin,I.N.Izosimov, 4177400100004 A.V.Isaev,A.N.Kuznetsov,A.A.Kuznetsova,O.N.Malyshev, 4177400100005 A.G.Popeko,Yu.A.Popov,E.A.Sokol,M.L.Chelnokov, 4177400100006 V.I.Chepigin,T.M.Schneidman,B.Gall,O.Dorvaux, 4177400100007 P.Brione,K.Hauschild,A.Lopez-Martens,K.Rezynkina, 4177400100008 S.Mullins,P.Jones,P.Mosat) 4177400100009 REFERENCE (J,PPN/L,14,571,2017) English translation of FCY/L 4177400100010 #doi:10.1134/S1547477117040161 4177400100011 (J,FCY/L,14,382,2017) 4177400100012 REL-REF (O,F1329001,A.I.Svirikhin+,J,PPN/L,14,571,2017) 4177400100013 82-Pb-204(20-Ca-48,2N) C-S given on Fig.1 4177400100014 (N,41775001,R.S.Mukhin+,J,CPH/C,48,064002,2024) 4177400100015 Next measurement of No-250 SF by improved detection 4177400100016 system ( 128 x 128 strips). 4177400100017 INSTITUTE (4ZZZDUB) A.I.Svirikhin,A.V.Andreev,A.V.Yeremin, 4177400100018 I.N.Izosimov,A.V.Isaev,A.N.Kuznetsov,A.A.Kuznetsova, 4177400100019 O.N.Malyshev,A.G.Popeko,Yu.A.Popov,E.A.Sokol, 4177400100020 M.L.Chelnokov,V.I.Chepigin,T.M.Schneidman 4177400100021 (2FR STR) B.Gall,O.Dorvaux,P.Brione, 4177400100022 (2FR CSN) K.Hauschild,A.Lopez-Martens,K.Rezynkina 4177400100023 (3SAFITH) S.Mullins,P.Jones 4177400100024 (3SLKUB) P.Mosat 4177400100025 FACILITY (CYCLO,4ZZZDUB) U-400 cyclotron to produce No-250 . 4177400100026 (OLMS) SHELS separator to separate No-250. 4177400100027 SAMPLE Produced in the complete fusion reaction 4177400100028 Ca-48(Pb-204,2N)No-250 4177400100029 DETECTOR (SISD) 48x48 strips was used to register No-250, 4177400100030 emitted alphas and spontaneous fission fragments. 4177400100031 (HE3SP) 54 He-3 counters were used for registration 4177400100032 of neutrons from spontaneous fission. 4177400100033 (SCIN) Detector of LaBr(3)(Ce) crystal was used for 4177400100034 gamma-quanta registration to exclude erroneous pulses. 4177400100035 METHOD About 700 events of No-250 spontaneous fission were 4177400100036 found. 4177400100037 ERR-ANALYS (ERR-S) Statistical uncertainty 4177400100038 COMMENT This work was supported by the Russian Foundation for 4177400100039 Basic Research, projects 13-02-12003, 14-02-93962, 4177400100040 14-02-91051, 15-02-07569. 4177400100041 STATUS (TABLE,,A.I.Svirikhin+,J,PPN/L,14,571,2017) 4177400100042 Text page 386 4177400100043 HISTORY (20240823C) M.M. 4177400100044 ENDBIB 42 0 4177400100045 NOCOMMON 0 0 4177400100046 ENDSUBENT 45 0 4177400199999 SUBENT 41774002 20240822 20250110 4177400200001 BIB 2 2 4177400200002 REACTION (102-NO-250(0,F),PR,NU) 4177400200003 DECAY-DATA (102-NO-250-G,5.1E-6SEC) 5.1+-0.3 microsec 4177400200004 ENDBIB 2 0 4177400200005 NOCOMMON 0 0 4177400200006 DATA 2 1 4177400200007 DATA ERR-S 4177400200008 PRT/FIS PRT/FIS 4177400200009 4.38 0.13 4177400200010 ENDDATA 3 0 4177400200011 ENDSUBENT 10 0 4177400299999 SUBENT 41774003 20240822 20250110 4177400300001 BIB 2 2 4177400300002 REACTION (102-NO-250-L(0,F),PR,NU) 4177400300003 DECAY-DATA (102-NO-250-L,36.E-06SEC) 36+-3 microsec 4177400300004 ENDBIB 2 0 4177400300005 NOCOMMON 0 0 4177400300006 DATA 2 1 4177400300007 DATA ERR-S 4177400300008 PRT/FIS PRT/FIS 4177400300009 3.90 0.20 4177400300010 ENDDATA 3 0 4177400300011 ENDSUBENT 10 0 4177400399999 SUBENT 41774004 20240822 20250110 4177400400001 BIB 4 4 4177400400002 REACTION (102-NO-250(0,F),SEC,AKE,LF+HF) 4177400400003 DECAY-DATA (102-NO-250-G,5.1E-6SEC) 5.1+-0.3 microsec 4177400400004 MONITOR (102-NO-252(0,F),SEC,AKE,LF+HF) 4177400400005 MONIT-REF (14541002,C.E.Bemis Jr+,J,PR/C,15,705,1977) 4177400400006 ENDBIB 4 0 4177400400007 NOCOMMON 0 0 4177400400008 DATA 4 1 4177400400009 DATA ERR-S MONIT MONIT-ERR 4177400400010 MEV MEV MEV MEV 4177400400011 192. 2. 198.7 1.2 4177400400012 ENDDATA 3 0 4177400400013 ENDSUBENT 12 0 4177400499999 SUBENT 41774005 20240822 20250110 4177400500001 BIB 4 4 4177400500002 REACTION (102-NO-250-L(0,F),SEC,AKE,LF+HF) 4177400500003 DECAY-DATA (102-NO-250-L,36.E-06SEC) 36+-3 microsec 4177400500004 MONITOR (102-NO-252(0,F),SEC,AKE,LF+HF) 4177400500005 MONIT-REF (14541002,C.E.Bemis Jr+,J,PR/C,15,705,1977) 4177400500006 ENDBIB 4 0 4177400500007 NOCOMMON 0 0 4177400500008 DATA 4 1 4177400500009 DATA ERR-S MONIT MONIT-ERR 4177400500010 MEV MEV MEV MEV 4177400500011 200. 2. 198.7 1.2 4177400500012 ENDDATA 3 0 4177400500013 ENDSUBENT 12 0 4177400599999 ENDENTRY 5 0 4177499999999