ENTRY F1486 20231114 F148600000001 SUBENT F1486001 20231114 20240316 F148600100001 BIB 14 50 F148600100002 TITLE New isotope 276Ds and its decay products 272Hs and F148600100003 268Sg from the 232Th+48Ca reaction F148600100004 AUTHOR (Yu.Ts.Oganessian,V.K.Utyonkov,M.V.Shumeiko, F148600100005 F.Sh.Abdullin,S.N.Dmitriev,D.Ibadullayev,M.G.Itkis, F148600100006 N.D.Kovrizhnykh,D.A.Kuznetsov,O.V.Petrushkin, F148600100007 A.V.Podshibiakin,A.N.Polyakov,A.G.Popeko,I.S.Rogov, F148600100008 R.N.Sagaidak,L.Schlattauer,V.D.Shubin,D.I.Solovyev, F148600100009 Yu.S.Tsyganov,A.A.Voinov,V.G.Subbotin,N.S.Bublikova, F148600100010 M.G.Voronyuk,A.V.Sabelnikov,A.Yu.Bodrov,Z.G.Gan, F148600100011 Z.Y.Zhang,M.H.Huang,H.B.Yang) F148600100012 REFERENCE (J,PR/C,108,024611,2023) F148600100013 #doi:10.1103/PhysRevC.108.024611 F148600100014 INSTITUTE (4ZZZDUB,4KASATN,4RUSMOS,3CPRIMP) F148600100015 (3CZRCZR) Palacky University Olomouc, Czech Republic F148600100016 FACILITY (CYCLO,4ZZZDUB) DC-280 cyclotron of the Superheavy F148600100017 Element Factory F148600100018 METHOD (TOF,ASPEC) F148600100019 SAMPLE 12 sectors of the target were produced by F148600100020 electrodeposition on a 0.62-mg/cm2 Ti backing, were F148600100021 mounted on a disk 24 cm in diameter, which was F148600100022 rotated at 980 rpm. To control the thickness of the F148600100023 target layer during the experiment, about 30 mu-g F148600100024 of 243Am were added to the target as a marker. F148600100025 Target thickness was 0.89 mg/cm2 at the energy of 231.1F148600100026 MeV, 0.76 mg/cm2 at 237.8 MeV and 0.65 mg/cm2 at 250.6 F148600100027 MeV. F148600100028 INC-SOURCE First beam intensity was 4 p mu-A, then it was F148600100029 reduced to 3 p mu-A. F148600100030 DETECTOR (MAGSP) The reaction products were analyzed by means F148600100031 of Dubna Gas Filled Recoil Separator (DGFRS-2). F148600100032 (SISD) The focal detector consisted of two 48x128-mm2 F148600100033 double-sided strip detectors with 48 1-mm horizontal F148600100034 strips on the front side and 128 1-mm-wide vertical F148600100035 strips on the back one. The first detector shielded a F148600100036 part of the rear detector. The back strips of 1-mm in F148600100037 width were paired together to form 110 strips of 2 mm F148600100038 in width. The focal detector was surrounded by eight F148600100039 60x120-mm2 side strip detectors, each with 8 strips, F148600100040 forming box with a depth of 120 mm. F148600100041 (MWPC) Two multiwire proportional chambers were used F148600100042 to register the nuclei passing through the separator. F148600100043 ERR-ANALYS The beam energy was measured with a systematic F148600100044 uncertainty of 1 MeV. F148600100045 (DATA-ERR) Total uncertainty is given. F148600100046 ADD-RES (DECAY) Decay properties of synthesized for the first F148600100047 time superheavy nuclides 268Sg, 272Hs,and 276Ds were F148600100048 investigated. F148600100049 MISC-COL (MISC) Excitation energy of the compound nucleus. F148600100050 STATUS (APRVD) Entry was approved by Dr. V.K.Utyonkov F148600100051 HISTORY (20231114C) F148600100052 ENDBIB 50 0 F148600100053 NOCOMMON 0 0 F148600100054 ENDSUBENT 53 0 F148600199999 SUBENT F1486002 20231114 20240316 F148600200001 BIB 3 4 F148600200002 REACTION (90-TH-232(20-CA-48,4N)110-DS-276,,SIG) F148600200003 DECAY-DATA (110-DS-276,0.00015SEC,A,10746.) F148600200004 Half-life error: (+0.10/-0.04) msec F148600200005 STATUS (TABLE,,Yu.Ts.Oganessian+,J,PR/C,108,024611,2023)Tbl.1 F148600200006 ENDBIB 4 0 F148600200007 COMMON 1 3 F148600200008 ERR-EDD F148600200009 KEV F148600200010 28. F148600200011 ENDCOMMON 3 0 F148600200012 DATA 6 3 F148600200013 EN DATA +DATA-ERR -DATA-ERR MISC-MIN MISC-MAX F148600200014 MEV PB PB PB SEE TEXT SEE TEXT F148600200015 231.1 0.07 0.17 0.06 32.3 36.6F148600200016 237.8 0.7 1.1 0.5 37.9 42.1F148600200017 250.6 0.11 0.46 0.09 48.9 52.3F148600200018 ENDDATA 5 0 F148600200019 ENDSUBENT 18 0 F148600299999 ENDENTRY 2 0 F148699999999