ENTRY F1273 20220825 F127300000001 SUBENT F1273001 20220825 20230412 F127300100001 BIB 12 42 F127300100002 TITLE Experiments on the synthesis of superheavy nuclei F127300100003 Fl-284 and Fl-285 in the Pu-239,240 + Ca-48 reactions. F127300100004 AUTHOR (V.K.Utyonkov,N.T.Brewer,Yu.Ts.Oganessian, F127300100005 K.P.Rykaczewski,F.Sh.Abdullin,S.N.Dmitriev, F127300100006 R.K.Grzywacz,M.G.Itkis,K.Miernik,A.N.Polyakov, F127300100007 J.B.Roberto,R.N.Sagaidak,I.V.Shirokovsky, F127300100008 M.V.Shumeiko,Yu.S.Tsyganov,A.A.Voinov,V.G.Subbotin, F127300100009 A.M.Sukhov,A.V.Sabel'nikov,G.K.Vostokin,J.H.Hamilton, F127300100010 M.A.Stoyer,S.Y.Strauss) F127300100011 INSTITUTE (4ZZZDUB) Flerov Laboratory of Nuclear Reactions F127300100012 (1USAORL) Physics Division F127300100013 Science and Technology Partnerships DirectorateF127300100014 (1USATEN) Department of Physics and Astronomy F127300100015 (3POLWWA) Faculty of Physics F127300100016 (1USAVBT) Department of Physics and Astronomy F127300100017 (1USALRL) Nuclear and Chemical Sciences Division F127300100018 (1USANOT) Department of Physics F127300100019 REFERENCE (J,PR/C,92,034609,2015) F127300100020 #doi:10.1103/PhysRevC.92.034609 F127300100021 FACILITY (CYCLO,4ZZZDUB) U-400 F127300100022 SAMPLE The target was prepared by depositing of PuO(2) onto F127300100023 Ti foil (0.71-0.72 mg/cm2 thickness). F127300100024 INC-SOURCE The maximum intensity was 1.3 particle mu-A. F127300100025 DETECTOR (MAGSP,MWPC) For nucleus separation Dubna Gas-Filled F127300100026 Recoil Separator was used. Recoil nucleus passed F127300100027 through time-of-flight system consisted of multiwire F127300100028 proportional counters. The distance between them was F127300100029 65 mm. F127300100030 (SI) For registration of alpha-particles of residual F127300100031 nucleus focal-plane detector was used. The system F127300100032 included a 0.3-mm-thick double-sided silicon detector F127300100033 (DSSD) which has 1-mm-wide strips, 48 on the front F127300100034 side and 128 on the back side. The recoil implantation F127300100035 counter was surrounded by six single Si detectors, eachF127300100036 500 microns thick and having an active area of 65 mm byF127300100037 by 120 mm. F127300100038 METHOD (TOF,ASPEC) F127300100039 ADD-RES (DECAY) F127300100040 STATUS (APRVD) Entry was approved by authors F127300100041 HISTORY (20151211C) F127300100042 (20220825A) DECAY-DATA and REACTION records in Sub 002 F127300100043 were changed. F127300100044 ENDBIB 42 0 F127300100045 COMMON 1 3 F127300100046 EN-ERR F127300100047 MEV F127300100048 1. F127300100049 ENDCOMMON 3 0 F127300100050 ENDSUBENT 49 0 F127300199999 SUBENT F1273002 20220825 20230412 F127300200001 BIB 6 13 F127300200002 REACTION (94-PU-240(20-CA-48,3N)114-FL-285,,SIG) F127300200003 DECAY-DATA (114-FL-285,0.15SEC,A,10410.) F127300200004 Half-life error: (+0.14/-0.05) s. F127300200005 SAMPLE (94-PU-240,ENR=0.9897) F127300200006 (94-PU-240,ENR=0.92) A mixed sample with the average F127300200007 thickness of 0.39+/-0.04 mg/cm2. F127300200008 ERR-ANALYS (DATA-ERR) Errors include statistical and systematic F127300200009 uncertainties, error of nuclei transmission and F127300200010 registration efficiency. F127300200011 (ERR-EDD) Error of alpha energy value F127300200012 STATUS (TABLE) Data were taken from the text (page 034609-5). F127300200013 HISTORY (20220825A) SF4 in REACTION record was changed, F127300200014 114-FL-285-M->114-FL-285. Correction in DECAY-DATA. F127300200015 ENDBIB 13 0 F127300200016 NOCOMMON 0 0 F127300200017 DATA 5 1 F127300200018 EN DATA +DATA-ERR -DATA-ERR ERR-EDD F127300200019 MEV PB PB PB MEV F127300200020 245. 2.5 2.9 1.4 0.05 F127300200021 ENDDATA 3 0 F127300200022 ENDSUBENT 21 0 F127300299999 SUBENT F1273003 20151211 F060F127300300001 BIB 5 9 F127300300002 REACTION (94-PU-240(20-CA-48,4N)114-FL-284,,SIG) F127300300003 DECAY-DATA (114-FL-284,2.5MSEC,SF) F127300300004 Half-life error: (+1.8/-0.8) ms. F127300300005 SAMPLE (94-PU-240,ENR=0.9897) F127300300006 (94-PU-240,ENR=0.92) A mixed sample with the average F127300300007 thickness of 0.39+/-0.04 mg/cm2. F127300300008 ERR-ANALYS (DATA-ERR) Errors include account probability for F127300300009 detection. F127300300010 STATUS (TABLE) Data were taken from the text (page 034609-6). F127300300011 ENDBIB 9 0 F127300300012 NOCOMMON 0 0 F127300300013 DATA 4 1 F127300300014 EN DATA +DATA-ERR -DATA-ERR F127300300015 MEV PB PB PB F127300300016 250. 2.6 3.3 1.7 F127300300017 ENDDATA 3 0 F127300300018 ENDSUBENT 17 0 F127300399999 SUBENT F1273004 20151211 F060F127300400001 BIB 5 8 F127300400002 REACTION (94-PU-239(20-CA-48,3N)114-FL-284,,SIG) F127300400003 DECAY-DATA (114-FL-284,2.5MSEC,SF) F127300400004 Half-life error: (+1.8/-0.8) ms. F127300400005 SAMPLE (94-PU-239,ENR=0.982) The average thickness of the F127300400006 target is 0.50+/-0.05 mg/cm2. F127300400007 ERR-ANALYS (DATA-ERR) Errors include account probability for F127300400008 detection. F127300400009 STATUS (TABLE) Data were taken from the text (page 034609-7). F127300400010 ENDBIB 8 0 F127300400011 NOCOMMON 0 0 F127300400012 DATA 4 1 F127300400013 EN DATA +DATA-ERR -DATA-ERR F127300400014 MEV PB PB PB F127300400015 245. 0.23 0.59 0.20 F127300400016 ENDDATA 3 0 F127300400017 ENDSUBENT 16 0 F127300499999 ENDENTRY 4 0 F127399999999